FB2025_04 , released October 2, 2025
Gene: Dmel\pAbp
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General Information
Symbol
Dmel\pAbp
Species
D. melanogaster
Name
poly(A) binding protein
Annotation Symbol
CG5119
Feature Type
FlyBase ID
FBgn0265297
Gene Model Status
Stock Availability
Gene Summary
Binds the poly(A) tail of mRNA (PubMed:2125288). Since it interacts with the cap-associating translation initiation factor eIF4G, it is likely that it functions by linking Atx2 to the cap-binding complex (PubMed:28388438). Forms a complex with tyf and Atx2 which functions in adult circadian pacemaker neurons to sustain circadian rhythms likely by switching between activator and repressor modes of post-transcriptional regulation via interaction with Lsm12a or me31B, respectively (PubMed:28388438). The activator complex (Atx2-tyf activator complex) activates the TYF-dependent translation of per to maintain 24 hour periodicity in circadian locomotor behaviors, whereas the repressor complex (Atx2-Not1 repressor complex) promotes Not1-dependent post-transcriptional gene silencing and supports high-amplitude circadian rhythms in a per-independent manner (PubMed:28388438). In 0-1 hour embryos, forms a ribonucleoprotein complex (RNP) with me31B, eIF4E1, tral and cup which binds to various mRNAs including maternal mRNAs, and down-regulates their expression during the maternal-to-zygotic transition (PubMed:28875934). Involved in germline stem cell transit amplification, differentiation and mitosis-to-meiosis transition (PubMed:28190776). (UniProt, P21187)
Contribute a Gene Snapshot for this gene.
Also Known As

PABPC1, dPABP, polyA-binding protein, PABP55B, l(2)k10109

Key Links
Genomic Location
Cytogenetic map
Sequence location
Recombination map
2-84
RefSeq locus
NT_033778 REGION:18140078..18147191
Sequence
Genomic Maps
Other Genome Views
The following external sites may use different assemblies or annotations than FlyBase.
Function
Gene Ontology (GO) Annotations (25 terms)
Molecular Function (7 terms)
Terms Based on Experimental Evidence (3 terms)
CV Term
Evidence
References
inferred from direct assay
inferred from physical interaction with FLYBASE:Paip2; FB:FBgn0038100
inferred from physical interaction with UniProtKB:Q8SY33
inferred from physical interaction with UniProtKB:B7Z0E2
Terms Based on Predictions or Assertions (6 terms)
CV Term
Evidence
References
inferred from biological aspect of ancestor with PANTHER:PTN000610044
enables mRNA binding
inferred from sequence or structural similarity
inferred from electronic annotation with InterPro:IPR035979
inferred from sequence or structural similarity with SGD:S000000967
traceable author statement
inferred from biological aspect of ancestor with PANTHER:PTN000610044
inferred from biological aspect of ancestor with PANTHER:PTN000610044
Biological Process (11 terms)
Terms Based on Experimental Evidence (10 terms)
CV Term
Evidence
References
inferred from mutant phenotype
inferred from mutant phenotype
inferred from mutant phenotype
inferred from mutant phenotype
involved_in oocyte development
inferred from mutant phenotype
involved_in oogenesis
inferred from mutant phenotype
inferred from genetic interaction with FLYBASE:grk; FB:FBgn0001137
inferred from mutant phenotype
involved_in spermatogenesis
inferred from mutant phenotype
Terms Based on Predictions or Assertions (2 terms)
CV Term
Evidence
References
Cellular Component (7 terms)
Terms Based on Experimental Evidence (6 terms)
CV Term
Evidence
References
inferred from high throughput direct assay
located_in cytoplasm
located_in cytosol
inferred from high throughput direct assay
located_in nucleus
inferred from high throughput direct assay
inferred from high throughput direct assay
inferred from direct assay
Terms Based on Predictions or Assertions (4 terms)
CV Term
Evidence
References
inferred from biological aspect of ancestor with PANTHER:PTN000610046
is_active_in cytosol
inferred from biological aspect of ancestor with PANTHER:PTN000610044
is_active_in nucleus
inferred from biological aspect of ancestor with PANTHER:PTN000610044
inferred from biological aspect of ancestor with PANTHER:PTN002768817
Gene Group (FlyBase)
Protein Family (UniProt)
Belongs to the polyadenylate-binding protein type-1 family. (P21187)
Summaries
Protein Function (UniProtKB)
Binds the poly(A) tail of mRNA (PubMed:2125288). Since it interacts with the cap-associating translation initiation factor eIF4G, it is likely that it functions by linking Atx2 to the cap-binding complex (PubMed:28388438). Forms a complex with tyf and Atx2 which functions in adult circadian pacemaker neurons to sustain circadian rhythms likely by switching between activator and repressor modes of post-transcriptional regulation via interaction with Lsm12a or me31B, respectively (PubMed:28388438). The activator complex (Atx2-tyf activator complex) activates the TYF-dependent translation of per to maintain 24 hour periodicity in circadian locomotor behaviors, whereas the repressor complex (Atx2-Not1 repressor complex) promotes Not1-dependent post-transcriptional gene silencing and supports high-amplitude circadian rhythms in a per-independent manner (PubMed:28388438). In 0-1 hour embryos, forms a ribonucleoprotein complex (RNP) with me31B, eIF4E1, tral and cup which binds to various mRNAs including maternal mRNAs, and down-regulates their expression during the maternal-to-zygotic transition (PubMed:28875934). Involved in germline stem cell transit amplification, differentiation and mitosis-to-meiosis transition (PubMed:28190776).
(UniProt, P21187)
Summary (Interactive Fly)

RNA-binding protein involved in translational regulation and nonsense-mediated mRNA decay - interactions of GW182 proteins with PABP and deadenylases are required for both translational repression and degradation of miRNA targets

Gene Model and Products
Number of Transcripts
3
Number of Unique Polypeptides
1

Please see the JBrowse view of Dmel\pAbp for information on other features

To submit a correction to a gene model please use the Contact FlyBase form

Protein Domains (via Pfam)
Isoform displayed:
Pfam protein domains
InterPro name
classification
start
end
Protein Domains (via SMART)
Isoform displayed:
SMART protein domains
InterPro name
classification
start
end
Structure
Protein 3D structure   (Predicted by AlphaFold)   (AlphaFold entry P21187)

If you don't see a structure in the viewer, refresh your browser.
Model Confidence:
  • Very high (pLDDT > 90)
  • Confident (90 > pLDDT > 70)
  • Low (70 > pLDDT > 50)
  • Very low (pLDDT < 50)

AlphaFold produces a per-residue confidence score (pLDDT) between 0 and 100. Some regions with low pLDDT may be unstructured in isolation.

Experimentally Determined Structures
Crossreferences
PDB - An information portal to biological macromolecular structures
Comments on Gene Model

Gene model reviewed during 5.44

Low-frequency RNA-Seq exon junction(s) not annotated.

Annotated transcripts do not represent all supported alternative splices within 5' UTR.

Gene model reviewed during 5.50

Transcript Data
Annotated Transcripts
Name
FlyBase ID
RefSeq ID
Length (nt)
Assoc. CDS (aa)
FBtr0086738
2433
634
FBtr0086740
3870
634
FBtr0086736
3127
634
Additional Transcript Data and Comments
Reported size (kB)

3.8 (northern blot)

Comments
External Data
Crossreferences
Polypeptide Data
Annotated Polypeptides
Name
FlyBase ID
Predicted MW (kDa)
Length (aa)
Theoretical pI
UniProt
RefSeq ID
GenBank
FBpp0085917
69.9
634
9.80
FBpp0085919
69.9
634
9.80
FBpp0085915
69.9
634
9.80
Polypeptides with Identical Sequences

The group(s) of polypeptides indicated below share identical sequence to each other.

634 aa isoforms: pAbp-PA, pAbp-PB, pAbp-PC
Additional Polypeptide Data and Comments
Reported size (kDa)
Comments
External Data
Subunit Structure (UniProtKB)

Core component of the neuromuscular Atx2 complex, composed of at least Atx2, tyf, pAbp, Lsm12a (PubMed:28388438). Interacts with Atx2 (via PAM2 motif) (PubMed:28388438). Atx2 and pAbp form a subcomplex that can associate with the 5' cap of pre-mRNAs independently of tyf, Lsm12a or me31B (PubMed:28388438). Forms a ribonucleoprotein complex (RNP) containing at least me31B, eIF4E1, cup, tral and pAbp; this interaction is required for the translational silencing of maternal mRNAs during the maternal-to-zygotic transition (PubMed:28875934). In 1-5 hour embryos, interaction with me31B is severely reduced and there is no detected interaction with cup and tral, however interaction with eIF4E1 and eIF4G1 remains unchanged (PubMed:28875934). Interacts with gw; this interaction interferes with the binding of pAbp to eIF4G and is required for miRNA-mediated silencing (PubMed:19797087). Interacts with larp (PubMed:19631203). Interacts with Unr (PubMed:36688322).

(UniProt, P21187)
Linkouts
Sequences Consistent with the Gene Model
Nucleotide / Polypeptide Records
 
Mapped Features

Click to get a list of regulatory features (enhancers, TFBS, etc.) and gene disruptions (point mutations, indels, etc.) within or overlapping Dmel\pAbp using the Feature Mapper tool.

External Data
Crossreferences
Eukaryotic Promoter Database - A collection of databases of experimentally validated promoters for selected model organisms.
Linkouts
Expression Data
Testis-specificity index

The testis specificity index was calculated from modENCODE tissue expression data by Vedelek et al., 2018 to indicate the degree of testis enrichment compared to other tissues. Scores range from -2.52 (underrepresented) to 5.2 (very high testis bias).

-0.43

Transcript Expression
expression microarray
Stage
Tissue/Position (including subcellular localization)
Reference
in situ
Stage
Tissue/Position (including subcellular localization)
Reference
northern blot
Stage
Tissue/Position (including subcellular localization)
Reference
Additional Descriptive Data

pAbp expression at embryonic stages 1-4 is localized to the posterior pole of the embryo.

pAbp transcript is expressed in cells immediately dorsal to and ventral to the dorsal/ventral compartment boundary of the wing disc; expression is limited to the anterior compartment. No expression is observed in the haltere disc.

pAbp transcripts are detected at all developmental stages on northern blots.

Marker for
 
Subcellular Localization
CV Term
Polypeptide Expression
mass spectroscopy
Stage
Tissue/Position (including subcellular localization)
Reference
Additional Descriptive Data

In early embryos, pAbp protein is noticeably enriched apically to the blastoderm nuclei even though large amounts of the protein are also present in the basal cytoplasm. It partially co-localizes with BicD in the early embryo.

Marker for
 
Subcellular Localization
CV Term
Evidence
References
inferred from high throughput direct assay
located_in cytoplasm
located_in cytosol
inferred from high throughput direct assay
located_in nucleus
inferred from high throughput direct assay
inferred from high throughput direct assay
inferred from direct assay
Expression Deduced from Reporters
Reporter: P{PTT-GA}pAbp37-2
Stage
Tissue/Position (including subcellular localization)
Reference
High-Throughput Expression Data
Associated Tools

JBrowse - Visual display of RNA-Seq signals

View Dmel\pAbp in JBrowse
RNA-Seq by Region - Search RNA-Seq expression levels by exon or genomic region
Reference
See Gelbart and Emmert, 2013 for analysis details and data files for all genes.
Developmental Proteome: Life Cycle
Developmental Proteome: Embryogenesis
External Data and Images
Linkouts
BDGP expression data - Patterns of gene expression in Drosophila embryogenesis
DRscDB - A single-cell RNA-seq resource for data mining and data comparison across species
EMBL-EBI Single Cell Expression Atlas - Single cell expression across species
FlyAtlas - Adult expression by tissue, using Affymetrix Dros2 array
FlyAtlas2 - A Drosophila melanogaster expression atlas with RNA-Seq, miRNA-Seq and sex-specific data
Fly-FISH - A database of Drosophila embryo and larvae mRNA localization patterns
Images
Alleles, Insertions, Transgenic Constructs, and Aberrations
Classical and Insertion Alleles ( 14 )
For All Classical and Insertion Alleles Show
 
Other relevant insertions
Transgenic Constructs ( 15 )
For All Alleles Carried on Transgenic Constructs Show
Transgenic constructs containing/affecting coding region of pAbp
Transgenic constructs containing regulatory region of pAbp
Aberrations (Deficiencies and Duplications) ( 8 )
Variants
Variant Molecular Consequences
Alleles Representing Disease-Implicated Variants
Phenotypes
For more details about a specific phenotype click on the relevant allele symbol.
Lethality
Allele
Sterility
Allele
Other Phenotypes
Allele
Phenotype manifest in
Allele
centriole & spermatocyte (with Df(2R)Pcl7B)
centrosome & spermatocyte (with Df(2R)Pcl7B)
spindle & spermatocyte
spindle & spermatocyte (with Df(2R)Pcl7B)
spindle & spermatocyte (with pAbpEP310)
spindle & spermatocyte (with pAbpk10109)
Orthologs
Human Orthologs (via DIOPT v9.1)
Species\Gene Symbol
Score
Best Score
Best Reverse Score
Alignment
Complementation?
Transgene?
Homo sapiens (Human) (102)
13 of 14
Yes
Yes
1  
12 of 14
No
Yes
2  
12 of 14
No
Yes
1  
11 of 14
No
Yes
7 of 14
No
Yes
5 of 14
No
Yes
4 of 14
No
Yes
4 of 14
No
Yes
2 of 14
No
Yes
1 of 14
No
No
1 of 14
No
No
2  
1 of 14
No
No
3  
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1  
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
3  
1 of 14
No
No
1 of 14
No
No
3  
1 of 14
No
No
2  
1 of 14
No
No
3  
1 of 14
No
No
2  
1 of 14
No
No
1 of 14
No
No
5  
1 of 14
No
No
1 of 14
No
No
13  
1 of 14
No
No
2  
1 of 14
No
No
1 of 14
No
No
1  
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1  
1 of 14
No
No
1  
1 of 14
No
No
1  
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
4  
1 of 14
No
No
1  
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
Yes
1 of 14
No
No
1 of 14
No
No
2  
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1  
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1  
1 of 14
No
No
1  
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1  
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1  
1 of 14
No
No
1 of 14
No
No
1  
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
Yes
1 of 14
No
No
1 of 14
No
Yes
1 of 14
No
Yes
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1  
1 of 14
No
No
1  
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
3  
1 of 14
No
No
1  
1 of 14
No
No
20  
1 of 14
No
No
1  
1 of 14
No
No
1  
1 of 14
No
No
1  
1 of 14
No
No
1  
1 of 14
No
No
1  
1 of 14
No
No
1 of 14
No
No
1  
1 of 14
No
No
1  
1 of 14
No
No
4  
Model Organism Orthologs (via DIOPT v9.1)
Species\Gene Symbol
Score
Best Score
Best Reverse Score
Alignment
Complementation?
Transgene?
Rattus norvegicus (Norway rat) (67)
13 of 14
Yes
Yes
12 of 14
No
Yes
12 of 14
No
Yes
12 of 14
No
Yes
9 of 14
No
Yes
7 of 14
No
Yes
5 of 14
No
Yes
2 of 14
No
Yes
2 of 14
No
Yes
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
Yes
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
Yes
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
Yes
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
Mus musculus (laboratory mouse) (66)
13 of 14
Yes
Yes
12 of 14
No
Yes
12 of 14
No
Yes
12 of 14
No
Yes
9 of 14
No
Yes
7 of 14
No
Yes
5 of 14
No
Yes
2 of 14
No
Yes
2 of 14
No
Yes
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
Yes
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
Xenopus tropicalis (Western clawed frog) (52)
10 of 13
Yes
Yes
7 of 13
No
Yes
7 of 13
No
Yes
2 of 13
No
Yes
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
Yes
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
Danio rerio (Zebrafish) (78)
12 of 14
Yes
Yes
12 of 14
Yes
Yes
11 of 14
No
Yes
11 of 14
No
Yes
2 of 14
No
Yes
2 of 14
No
Yes
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
Yes
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
Caenorhabditis elegans (Nematode, roundworm) (39)
11 of 14
Yes
Yes
11 of 14
Yes
Yes
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
Yes
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
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No
No
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No
No
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No
No
1 of 14
No
No
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No
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No
No
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No
No
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No
No
1 of 14
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No
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No
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No
No
1 of 14
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No
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No
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No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
No
1 of 14
No
Yes
1 of 14
No
Yes
Anopheles gambiae (African malaria mosquito) (56)
12 of 12
Yes
Yes
1 of 12
No
No
Arabidopsis thaliana (thale-cress) (118)
13 of 13
Yes
Yes
13 of 13
Yes
Yes
12 of 13
No
Yes
12 of 13
No
Yes
12 of 13
No
Yes
5 of 13
No
Yes
4 of 13
No
Yes
3 of 13
No
Yes
2 of 13
No
No
2 of 13
No
Yes
2 of 13
No
Yes
2 of 13
No
Yes
2 of 13
No
Yes
2 of 13
No
Yes
2 of 13
No
Yes
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
Yes
1 of 13
No
No
1 of 13
No
Yes
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
Yes
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
Yes
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
Yes
1 of 13
No
Yes
1 of 13
No
No
1 of 13
No
No
1 of 13
No
Yes
1 of 13
No
Yes
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
Saccharomyces cerevisiae (Brewer's yeast) (20)
12 of 13
Yes
Yes
3 of 13
No
Yes
3 of 13
No
Yes
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
No
1 of 13
No
Yes
1 of 13
No
No
1 of 13
No
No
1 of 13
No
Yes
1 of 13
No
Yes
1 of 13
No
No
Schizosaccharomyces pombe (Fission yeast) (15)
11 of 12
Yes
Yes
1 of 12
No
Yes
1 of 12
No
No
1 of 12
No
No
1 of 12
No
No
1 of 12
No
No
1 of 12
No
No
1 of 12
No
Yes
1 of 12
No
No
1 of 12
No
No
1 of 12
No
No
1 of 12
No
No
1 of 12
No
No
1 of 12
No
No
1 of 12
No
Yes
Escherichia coli (enterobacterium) (0)
Other Organism Orthologs (via OrthoDB)
Data provided directly from OrthoDB:pAbp. Refer to their site for version information.
Paralogs
Paralogs (via DIOPT v9.1)
Drosophila melanogaster (Fruit fly) (50)
7 of 13
3 of 13
3 of 13
3 of 13
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2 of 13
2 of 13
2 of 13
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1 of 13
Human Disease Associations
FlyBase Human Disease Model Reports
    Disease Ontology (DO) Annotations
    Models Based on Experimental Evidence ( 0 )
    Allele
    Disease
    Evidence
    References
    Potential Models Based on Orthology ( 0 )
    Human Ortholog
    Disease
    Evidence
    References
    Modifiers Based on Experimental Evidence ( 3 )
    Disease Associations of Human Orthologs (via DIOPT v9.1 and OMIM)
    Note that ortholog calls supported by only 1 or 2 algorithms (DIOPT score < 3) are not shown.
    Functional Complementation Data
    Functional complementation data is computed by FlyBase using a combination of the orthology data obtained from DIOPT and OrthoDB and the allele-level genetic interaction data curated from the literature.
    Interactions
    Summary of Physical Interactions
    Interaction Browsers

    Please see the Physical Interaction reports below for full details
    protein-protein
    Physical Interaction
    Assay
    References
    RNA-protein
    Physical Interaction
    Assay
    References
    Summary of Genetic Interactions
    Interaction Browsers

    Please look at the allele data for full details of the genetic interactions
    Starting gene(s)
    Interaction type
    Interacting gene(s)
    Reference
    Starting gene(s)
    Interaction type
    Interacting gene(s)
    Reference
    External Data
    Subunit Structure (UniProtKB)
    Core component of the neuromuscular Atx2 complex, composed of at least Atx2, tyf, pAbp, Lsm12a (PubMed:28388438). Interacts with Atx2 (via PAM2 motif) (PubMed:28388438). Atx2 and pAbp form a subcomplex that can associate with the 5' cap of pre-mRNAs independently of tyf, Lsm12a or me31B (PubMed:28388438). Forms a ribonucleoprotein complex (RNP) containing at least me31B, eIF4E1, cup, tral and pAbp; this interaction is required for the translational silencing of maternal mRNAs during the maternal-to-zygotic transition (PubMed:28875934). In 1-5 hour embryos, interaction with me31B is severely reduced and there is no detected interaction with cup and tral, however interaction with eIF4E1 and eIF4G1 remains unchanged (PubMed:28875934). Interacts with gw; this interaction interferes with the binding of pAbp to eIF4G and is required for miRNA-mediated silencing (PubMed:19797087). Interacts with larp (PubMed:19631203). Interacts with Unr (PubMed:36688322).
    (UniProt, P21187 )
    Linkouts
    DroID - A comprehensive database of gene and protein interactions.
    MIST (genetic) - An integrated Molecular Interaction Database
    MIST (protein-protein) - An integrated Molecular Interaction Database
    Pathways
    Signaling Pathways (FlyBase)
    Metabolic Pathways
    FlyBase
    External Links
    External Data
    Linkouts
    KEGG Pathways - A collection of manually drawn pathway maps representing knowledge of molecular interaction, reaction and relation networks.
    Class of Gene
    Genomic Location and Detailed Mapping Data
    Chromosome (arm)
    2R
    Recombination map
    2-84
    Cytogenetic map
    Sequence location
    FlyBase Computed Cytological Location
    Cytogenetic map
    Evidence for location
    55B8-55B9
    Left limit from in situ hybridisation (FBrf0157097) Right limit from in situ hybridisation (FBrf0157097)
    Experimentally Determined Cytological Location
    Cytogenetic map
    Notes
    References
    55B8-55B9
    55B-55B
    55B-55B
    (determined by in situ hybridisation)
    55B5-55B6
    (determined by in situ hybridisation)
    Experimentally Determined Recombination Data
    Location
    Left of (cM)
    Right of (cM)
    Notes
    Stocks and Reagents
    Stocks (24)
    Genomic Clones (21)
    cDNA Clones (908)
     

    Please Note This section lists cDNAs and ESTs that fall within the genomic extent of the gene model, which may include cDNAs and ESTs of genes within introns, or of overlapping genes. Please see JBrowse for alignment of the cDNAs and ESTs to the gene model.

    cDNA clones, fully sequenced
    BDGP DGC clones
      Other clones
      Drosophila Genomics Resource Center cDNA clones

      For each fully sequenced cDNA the DGRC maintains various forms of the cDNA (e.g tagged or untagged) in several different host vectors for subsequent cloning and expression in Drosophila and Drosophila cell lines.

      cDNA Clones, End Sequenced (ESTs)
      Other clones
      RNAi and Array Information
      Linkouts
      Antibody Information
      Laboratory Generated Antibodies
      Commercially Available Antibodies
       
      Cell Line Information
      Publicly Available Cell Lines
       
        Other Stable Cell Lines
         
          Other Comments

          RNAi generated by PCR using primers directed to this gene causes a cell growth and viability phenotype when assayed in Kc167 and S2R+ cells.

          3 alleles of l(2)SH1908 recovered in a P-insertion screen.

          pAbp is required to connect the centrosome to the minus-ends of free microtubules.

          Annotation CG16803 eliminated in the July 2000 Celera release of annotated sequence.

          A sequence comparison and numerical analysis of the RRM-containing (RNA recognition motif) proteins suggests that functionally related RRM-containing proteins have significant sequence similarities in their RRMs.

          Isolated from a 3-12 hour embryo cDNA library using a human PABP cDNA probe.

          A pAbp cDNA has been cloned and sequenced.

          Relationship to Other Genes
          Source for database merge of

          Source for merge of: pAbp anon- EST:Posey247 anon- EST:Posey249

          Source for merge of: pAbp l(2)k10109

          Source for merge of: pAbp l(2)SH1908

          Source for merge of: pAbp BcDNA:LD24412

          Source for merge of: CG16803 anon- EST:fe2E5

          Source for merge of: pAbp CG16803

          Additional comments

          Annotation CG5119 and previously withdrawn annotation CG16803 merged in release 5.49 of the genome annotation; CG16803 corresponds to the 3' UTR of CG5119. Merge based on RNA-Seq expression data.

          Source for merge of pAbp BcDNA:LD24412 was a shared cDNA ( date:020730 ).

          Nomenclature History
          Source for database identify of

          Source for identity of: pAbp CG5119

          Nomenclature comments
          Etymology
          Synonyms and Secondary IDs (39)
          Reported As
          Symbol Synonym
          BcDNA:LD24412
          anon-EST:Posey247
          anon-EST:Posey249
          anon-EST:fe2E5
          l(2)SH2 1908
          Name Synonyms
          Poly(A) Binding Protein
          Poly(A) binding protein
          Poly(A)binding protein
          Polyadenylate-binding protein
          anon-fast-evolving-2E5
          cytoplasmic poly-A binding protein
          doppio fuso
          lethal (2) SH1908
          poly (A)-binding protein
          poly-A binding protein
          polyadenylate-binding protein
          Secondary FlyBase IDs
          • FBgn0261619
          • FBgn0003031
          • FBgn0021963
          • FBgn0027713
          • FBgn0027714
          • FBgn0063151
          • FBgn0065324
          • FBgn0025217
          • FBgn0040739
          Datasets (0)
          Study focus (0)
          Experimental Role
          Project
          Project Type
          Title
          Study result (0)
          Result
          Result Type
          Title
          External Crossreferences and Linkouts ( 67 )
          Sequence Crossreferences
          NCBI Gene - Gene integrates information from a wide range of species. A record may include nomenclature, Reference Sequences (RefSeqs), maps, pathways, variations, phenotypes, and links to genome-, phenotype-, and locus-specific resources worldwide.
          GenBank Nucleotide - A collection of sequences from several sources, including GenBank, RefSeq, TPA, and PDB.
          GenBank Protein - A collection of sequences from several sources, including translations from annotated coding regions in GenBank, RefSeq and TPA, as well as records from SwissProt, PIR, PRF, and PDB.
          RefSeq - A comprehensive, integrated, non-redundant, well-annotated set of reference sequences including genomic, transcript, and protein.
          UniProt/GCRP - The gene-centric reference proteome (GCRP) provides a 1:1 mapping between genes and UniProt accessions in which a single 'canonical' isoform represents the product(s) of each protein-coding gene.
          UniProt/Swiss-Prot - Manually annotated and reviewed records of protein sequence and functional information
          Other crossreferences
          AlphaFold DB - AlphaFold provides open access to protein structure predictions for the human proteome and other key proteins of interest, to accelerate scientific research.
          BDGP expression data - Patterns of gene expression in Drosophila embryogenesis
          DRscDB - A single-cell RNA-seq resource for data mining and data comparison across species
          EMBL-EBI Single Cell Expression Atlas - Single cell expression across species
          FlyAtlas2 - A Drosophila melanogaster expression atlas with RNA-Seq, miRNA-Seq and sex-specific data
          KEGG Genes - Molecular building blocks of life in the genomic space.
          MARRVEL_MODEL - MARRVEL (model organism gene)
          PDB - An information portal to biological macromolecular structures
          Linkouts
          Drosophila Genomics Resource Center - Drosophila Genomics Resource Center (DGRC) cDNA clones
          DroID - A comprehensive database of gene and protein interactions.
          Eukaryotic Promoter Database - A collection of databases of experimentally validated promoters for selected model organisms.
          FlyAtlas - Adult expression by tissue, using Affymetrix Dros2 array
          FlyCyc Genes - Genes from a BioCyc PGDB for Dmel
          Fly-FISH - A database of Drosophila embryo and larvae mRNA localization patterns
          FlyMet - A comprehensive tissue-specific metabolomics resource for Drosophila.
          iBeetle-Base - RNAi phenotypes in the red flour beetle (Tribolium castaneum)
          Interactive Fly - A cyberspace guide to Drosophila development and metazoan evolution
          KEGG Pathways - A collection of manually drawn pathway maps representing knowledge of molecular interaction, reaction and relation networks.
          MIST (genetic) - An integrated Molecular Interaction Database
          MIST (protein-protein) - An integrated Molecular Interaction Database
          References (279)