Gene Dmel\kni
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| Symbol | Dmel\kni | Species | D. melanogaster | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Name | knirps | Annotation symbol | CG4717 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Feature type | protein_coding_gene | FlyBase ID | FBgn0001320 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Created / Updated | 2003-12-01/2003-12-01 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Genomic Location | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Chromosome (arm) | 3L | Recombination map | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Cytogenetic map | 77E3-77E3 | Sequence location | 3L:20,685,430..20,688,463 [-] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Map ( GBrowse ) |
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Summary Information
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Automatically generated summary
See sections below for more information | The gene knirps is referred to in FlyBase by the symbol kni (CG4717, FBgn0001320). It has the cytological map location 77E3. Its sequence location is 3L:20685430..20688463. Its molecular function is described as: ligand-dependent nuclear receptor activity; transcription factor activity; specific transcriptional repressor activity; zinc ion binding; sequence-specific DNA binding. It is involved in the biological processes described with 13 unique terms, many of which group under: anatomical structure development; open tracheal system development; regulation of metabolic process; regulation of biological process; transcription, DNA-dependent; organ development; system development; embryonic pattern specification; trunk segmentation; cell cycle; anterior/posterior axis specification. 97 alleles are reported. The phenotypes of these alleles are annotated with 32 unique terms, many of which group under: embryonic abdomen; anatomical structure; embryonic segment; adult segment; thoracic segment; embryonic tagma; organ system; embryonic/larval tracheal system; adult mesothoracic segment; abdominal segment 7. It has one annotated transcript and one annotated polypeptide. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| External Summaries | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Phenotypic Description from the Red Book (Lindsley & Zimm 1992)
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| Gene/Allele symbols may differ from current usage | kni: knirps
Zygotic gap gene whose mutants are homozygous
lethal; their denticle belts in segments one through seven are
fused into a single field (Nusslein-Volhard and Wieschaus,
1980), but the head, thorax, eighth abdominal segment, and
tail region appear normal. Embryos homozygous for a strong
kni mutant show a wide band of ftz staining instead of the
normal number of ftz stripes (Carroll and Scott, 1986).
ri: radius incompletus | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Detailed Mapping Data
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| FlyBase Computed Cytological Location | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Cytogenetic map Evidence for location 77E3-77E3
Limits computationally determined from genome sequence between P{EP}trblEP3519 and P{EP}fngEP3082&P{lacW}skdL7062
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| Experimentally Determined Cytological Location | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Cytogenetic map Notes References 77E1-77E2 (determined by in situ hybridisation)
77E1-77E2 (determined by in situ hybridisation)
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| Experimentally Determined Recombination Data | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Location | 3-46.8 3-47 3-47.1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Left of (cM) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Right of (cM) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Notes | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Molecular Map Data | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Gene Order (in direction of increasing cytology)
References Gene Order (overall orientation not stated) References | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Gene Model & Products
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Please see the
GBrowse view of
Dmel\kni
for information on other features
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| Comments on Gene Model | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Transcript Data
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| Annotated Transcripts | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Name FlyBase ID RefSeq ID Length (nt) Associated CDS (aa) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Additional Transcript Data & Comments | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Reported size (kB) | 2.5, 2.2 (northern blot) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comments | A 2 kb cDNA was sequenced. It is not known which transcript it corresponds to. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| External Data | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Crossreferences | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Polypeptide Data
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| Annotated Polypeptides | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Name FlyBase ID
Predicted MW (kD)
Length (aa)
Theoretical pI
RefSeq ID
GenBank protein
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| Additional Polypeptide Data & Comments | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Reported size (kD) | 429 (aa); 45.6 (kD predicted) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comments | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| External Data | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Linkouts | PANTHER
- Protein classification by function, families, and pathways
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| Crossreferences | InterPro
domains - A database of protein families, domains, and functional sites
• Vitamin D receptor (IPR000324)
Zinc finger, nuclear hormone receptor-type (IPR001628)
Zinc finger, NHR/GATA-type (IPR013088)
TRANSFAC
- Eukaryotic transcription factors, their genomic binding sites, and DNA-binding profiles
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Sequences Consistent with the Gene Model
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| DDBJ
/
EMBL / GenBank | DNA sequence Protein sequence Name | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| UniProtKB/Swiss-Prot | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| UniProtKB/TrEMBL | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Identified with | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Mapped Features & Mutations
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Please see
GBrowse
or insertion reports for information on insertions of transgenic
constructs and features not listed here
Type Symbol & Location Additional Notes References aberration junction Tp(3;2)kni-FC82.bk2 3L:20,690,666..20,692,381 comment=The proximal breakpoint on 3L maps ~2.5kb upstream of the kni transcription unit. The deletion removes the kni and knrl transcription units. Overlaps the Tp(3;2)kni-FC82 deletion by less than 1kb. linked_to=EcoRI-EcoRI_rfrag aberration junction Df(3L)kni[ri-XT2].bk1 3L:20,690,666..20,692,381 comment=Distal breakpoint of a ~50kb deletion with breaks ~2.5kb upstream of the kni transcription unit and 45-50kb further upstream. Overlaps the Df(3L)kni[ri-XT2] deletion by less than 1kb. linked_to=EcoRI-EcoRI_rfrag point mutation kni[ri-53j] 3L:20,700,376..20,700,376 comment=Single base pair change in the putative regulatory region for wing vein L2 expression. Regulatory region with point muation when placed in reporter construct, fails to drive expression in wing vein L2. (Note that the reported base change is on the opposite strand and in relation to the EcoRI-XhoI fragment.) evidence=experimental na_change=G20641117T reported_na_change=C596A point mutation kni[12] 3L:20,687,379..20,687,379 evidence=experimental na_change=C20628120T pr_change=T21I|kni-PA reported_na_change=C2640T reported_pr_change=T21I point mutation evidence=experimental na_change=G20627875A pr_change=R31H|kni-PA reported_na_change=G2884A reported_pr_change=R31H point mutation kni[11] 3L:20,687,084..20,687,084 evidence=experimental na_change=T20627825A pr_change=C48S|kni-PA reported_na_change=T2934A reported_pr_change=C48S point mutation evidence=experimental na_change=T20627825A pr_change=C48S|kni-PA reported_na_change=T2934A reported_pr_change=C48S point mutation evidence=experimental na_change=G20627782A pr_change=R62H|kni-PA reported_na_change=G2977A reported_pr_change=R62H point mutation evidence=experimental na_change=G20627758A pr_change=G70D|kni-PA reported_na_change=G3001A reported_pr_change=G70D point mutation evidence=experimental na_change=C20627534T pr_change=Q145@|kni-PA reported_na_change=C3225T reported_pr_change=?145@ point mutation evidence=experimental na_change=C20627413A pr_change=S185@|kni-PA reported_na_change=C3347A reported_pr_change=?185@ protein binding site kni-protein_bind-1 3L:20,700,420..20,700,428 protein binding site kni-protein_bind-2 3L:20,700,350..20,700,358 protein binding site kni-protein_bind-3 3L:20,700,303..20,700,311 bound_moiety=Sd-XP bound_moiety=sd-XP comment=(binding site reported on opposite strand with respect to kni gene transcription) evidence=experimental protein binding site kni-protein_bind-4 3L:20,700,243..20,700,251 bound_moiety=Sd-XP bound_moiety=sd-XP evidence=experimental protein binding site kni-protein_bind-5 3L:20,700,051..20,700,068 bound_moiety=sd-XP comment=Tandem Sd-binding site. A mutation in this site along with two other Sd-binding sites in a kni wing reporter construct leads to complete loss of wing disc expression. (binding site reported on opposite strand with respect to kni gene transcription) evidence=experimental bound_moiety=Sd-XP protein binding site kni-protein_bind-6 3L:20,690,647..20,690,657 protein binding site kni-protein_bind-7 3L:20,690,610..20,690,622 bound_moiety=cad-XP comment=cad binding site 2. The binding site has two extra T residues in the reference sequence relative to the reported sequence. evidence=experimental protein binding site kni-protein_bind-8 3L:20,690,583..20,690,593 protein binding site kni-protein_bind-9 3L:20,690,557..20,690,567 protein binding site kni-protein_bind-10 3L:20,690,527..20,690,537 protein binding site kni-protein_bind-11 3L:20,690,504..20,690,513 protein binding site kni-protein_bind-12 3L:20,690,494..20,690,503 protein binding site kni-protein_bind-13 3L:20,690,492..20,690,502 protein binding site kni-protein_bind-14 3L:20,690,483..20,690,492 protein binding site kni-protein_bind-15 3L:20,690,468..20,690,482 protein binding site kni-protein_bind-16 3L:20,690,462..20,690,471 protein binding site kni-protein_bind-17 3L:20,690,452..20,690,461 protein binding site kni-protein_bind-18 3L:20,690,400..20,690,407 protein binding site kni-protein_bind-19 3L:20,690,359..20,690,366 protein binding site kni-protein_bind-20 3L:20,690,221..20,690,228 protein binding site kni-protein_bind-21 3L:20,690,190..20,690,197 protein binding site kni-protein_bind-22 3L:20,690,054..20,690,061 protein binding site kni-protein_bind-23 3L:20,690,032..20,690,039 protein binding site kni-protein_bind-24 3L:20,689,985..20,689,993 protein binding site kni-protein_bind-25 3L:20,689,961..20,689,969 bound_moiety=tll-XP comment=tll binding site 2 (last base differs from that reported in FBrf0057643). evidence=experimental protein binding site kni-protein_bind-26 3L:20,689,859..20,689,867 protein binding site kni-protein_bind-27 3L:20,689,798..20,689,808 protein binding site kni-protein_bind-28 3L:20,689,768..20,689,778 protein binding site kni-protein_bind-29 3L:20,689,643..20,689,651 protein binding site kni-protein_bind-30 3L:20,689,688..20,689,713 bound_moiety=tll-XP evidence=experimental protein binding site kni-protein_bind-31 3L:20,690,695..20,690,707 bound_moiety=hb-XP evidence=experimental protein binding site kni-protein_bind-32 3L:20,689,735..20,689,750 bound_moiety=tll-XP evidence=experimental protein binding site kni-protein_bind-33 3L:20,689,700..20,689,725 bound_moiety=hb-XP evidence=experimental protein binding site kni-protein_bind-34 3L:20,690,704..20,690,712 bound_moiety=cad-XP evidence=experimental protein binding site kni-protein_bind-35 3L:20,689,701..20,689,724 bound_moiety=Kr-XP evidence=experimental protein binding site kni-protein_bind-36 3L:20,690,525..20,690,540 bound_moiety=hb-XP evidence=experimental protein binding site kni-protein_bind-37 3L:20,690,503..20,690,509 bound_moiety=His2B-XP evidence=experimental protein binding site kni-protein_bind-38 3L:20,690,492..20,690,499 bound_moiety=His2B-XP evidence=experimental protein binding site kni-protein_bind-39 3L:20,690,484..20,690,489 bound_moiety=His2B-XP evidence=experimental protein binding site kni-protein_bind-40 3L:20,690,473..20,690,480 bound_moiety=His2B-XP evidence=experimental protein binding site kni-protein_bind-41 3L:20,690,462..20,690,468 bound_moiety=His2B-XP evidence=experimental protein binding site kni-protein_bind-42 3L:20,690,058..20,690,072 bound_moiety=gt-XP evidence=experimental protein binding site kni-protein_bind-43 3L:20,690,035..20,690,046 bound_moiety=gt-XP evidence=experimental protein binding site kni-protein_bind-44 3L:20,689,796..20,689,814 bound_moiety=Kr-XP evidence=experimental protein binding site kni-protein_bind-45 3L:20,689,776..20,689,792 evidence=experimental bound_moiety=tll-XP protein binding site kni-protein_bind-46 3L:20,689,764..20,689,783 bound_moiety=Kr-XP evidence=experimental protein binding site kni-protein_bind-47 3L:20,689,632..20,689,649 bound_moiety=Kr-XP evidence=experimental protein binding site kni-protein_bind-48 3L:20,689,636..20,689,649 bound_moiety=hb-XP evidence=experimental protein binding site kni-protein_bind-49 3L:20,689,640..20,689,656 bound_moiety=tll-XP evidence=experimental protein binding site kni-protein_bind-50 3L:20,689,819..20,689,839 bound_moiety=Kr-XP evidence=experimental protein binding site kni-protein_bind-51 3L:20,689,743..20,689,766 bound_moiety=hb-XP evidence=experimental regulatory region kni-reg_element-1 3L:20,699,781..20,701,141 comment=Region sufficient to direct the correct spatial pattern of kni expression in the wing vein L2 primordium in wing imaginal discs. linked_to=XhoI-EcoRI_rfrag regulatory region kni-reg_element-2 3L:20,688,236..20,693,017 comment=Region sufficient to direct the correct spatial pattern of kni expression in the anterior and posterior domains in the blastoderm embryo. evidence=experimental linked_to=BamHI-NruI_rfrag regulatory region kni-reg_element-3 3L:20,689,640..20,690,516 comment=Fragment directs kni wild-type-like abdominal expression pattern in blastoderm embryos. linked_to=KpnI-DraI_rfrag regulatory region kni-reg_element-4 3L:20,690,014..20,690,464 comment=Fragment required for setting the anterior boundary of kni expression in the abdomen in blastoderm embryos. evidence=experimental linked_to=PstI-EcoRI_rfrag regulatory region kni-reg_element-5 3L:20,689,640..20,690,019 comment=Fragment required for setting the posterior boundary of kni expression in the abdomen in blastoderm embryos. linked_to=EcoRI-DraI_rfrag rescue fragment kni[tRa] 3L:20,684,656..20,694,194 comment=Fragment rescues the kni mutant abdominal segment pattern and weakly rescues the head defects. evidence=experimental linked_to=SalI-HindIII_rfrag sequence variant kni[ri-1] 3L:20,700,201..20,700,452 comment=252bp deletion in the putative regulatory region for wing vein L2 expression. evidence=experimental sequence variant kni[ri-92f] 3L:20,700,201..20,700,452 comment=252bp deletion in the putative regulatory region for wing vein L2 expression. kni[ri-92f] may be a re-isolate of the kni[ri-1] allele. evidence=experimental sequence variant kni[riM] 3L:20,700,201..20,700,452 sequence variant comment=The approximately 2kb kni[8] deletion lies within the EcoRI-BamHI fragment. evidence=experimental linked_to=EcoRI-BamHI_rfrag sequence variant comment=Deletion of 245bp leads to a frameshift, producing a protein with the N-terminal 232 amino acids of kni followed by an additional 105 amino acids. evidence=experimental | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
External Data
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| Linkouts | DEDB
- Drosophila exon database: splicing graphs
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| Crossreferences | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Expression Data
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| FlyBase-Curated Data | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Transcript and Protein data | Please see the FlyBase Gene Expression Report for details of gene expression from the literature. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Summary of Transcript Expression
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Stage Tissue/Position
Reference
embryonic stage | cellular blastoderm
embryonic stage | stage 4
embryonic stage | stage 4
embryonic stage
embryonic stage | early
larval stage | third instar
wing vein L2 | precursor
embryonic stage | stage 4
embryonic stage | stage 4
embryonic stage | blastoderm | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Marker for | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Subcellular Localization | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| CV Term | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Summary of Polypeptide Expression
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Stage Tissue/Position
Reference
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| Marker for | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Subcellular Localization | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| CV Term | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
External Data & Images
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| Linkouts | FLIGHT
- Cell culture data for RNAi and other high-throughput technologies
FlyAtlas
- Adult expression by tissue, using Affymetrix Dros2 array
GEO (NCBI)
- Gene expression data: microarray and other high-throughput technologies
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Alleles & Phenotypes
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Summary of Allele Phenotypes
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Lethality Allele Other Phenotypes Allele Sterility Allele Phenotype manifest in Allele adherens junction & embryonic dorsal trunk, with Scer\GAL4btl.PS adult thorax & macrochaeta, with Scer\GAL4Bx-MS1096 embryonic/first instar larval cuticle & abdominal segment 1 embryonic/first instar larval cuticle & abdominal segment 2 embryonic/first instar larval cuticle & abdominal segment 3 embryonic/first instar larval cuticle & abdominal segment 4 embryonic/first instar larval cuticle & abdominal segment 5 embryonic/first instar larval cuticle & abdominal segment 6 embryonic/first instar larval cuticle & abdominal segment 7 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Classical Alleles
( 35 ) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| For All Classical Alleles Show | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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