FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term nuclear lumen ID (Ontology) GO:0031981 (Gene Ontology)
Definition The volume enclosed by the nuclear inner membrane.
Comment
Links to External Ontologies
  QuickGO data     AmiGO data
Annotations
Records annotated with this term OR any of its CHILD TERMS
Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Genes (FBgn)  GO_CELLULAR_COMPONENT       1
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Genes
 nuclear lumen (all annotations which use CV term, excluding "NOT" statements)       1
     located_in | nuclear lumen       1
Spanning Tree (Parents/Children)
Only view relationship:
intracellular organelle
 |__intracellular organelle lumen_________
intracellular membrane-bounded organelle  |
 |__nucleus_______________________________|
organelle lumen                           |
 |__intracellular organelle lumen_________|
                                          nuclear lumen  1106 rec.
                                           |__nuclear chromosome 268 rec.
                                           |   |__Barr body
                                           |   |__CMG complex 12 rec.
                                           |   |__COMA complex
                                           |   |__condensed nuclear chromosome(+) 76 rec.
                                           |   |__epsilon DNA polymerase complex 5 rec.
                                           |   |__GINS complex 5 rec.
                                           |   |__Ino80 complex 14 rec.
                                           |   |__nuclear origin of replication recognition complex 7 rec.
                                           |   |__nuclear replication fork(+) 23 rec.
                                           |   |__nucleolar chromatin(+) 1 rec.
                                           |   |__perichromatin fibrils
                                           |   |__RITS complex
                                           |   |__Rpd3L-Expanded complex 1 rec.
                                           |   |__Set3 complex 1 rec.
                                           |   |__Sin3-type complex(+) 12 rec.
                                           |   |__Slx1-Slx4 complex 2 rec.
                                           |   |__Smp focus
                                           |   |__Swi5-Sfr1 complex
                                           |   |__Swi5-Swi2 complex
                                           |   |__Swr1 complex 9 rec.
                                           |__nuclear exosome (RNase complex) 11 rec.
                                           |   |__nucleolar exosome (RNase complex)
                                           |__nuclear matrix 6 rec.
                                           |__nuclear periphery 35 rec.
                                           |   |__nuclear lamina(+) 16 rec.
                                           |__nuclear proteasome complex
                                           |   |__nuclear proteasome core complex(+)
                                           |   |__nuclear proteasome regulatory particle(+)
                                           |__nucleolus 414 rec.
                                           |   |__B-WICH complex
                                           |   |__box H/ACA snoRNP complex 5 rec.
                                           |   |__dense fibrillar component 1 rec.
                                           |   |__eNoSc complex
                                           |   |__fibrillar center
                                           |   |__granular component 1 rec.
                                           |   |__Mpp10 complex 3 rec.
                                           |   |__nucleolar chromatin(+) 1 rec.
                                           |   |__nucleolar exosome (RNase complex)
                                           |   |__nucleolar ribonuclease P complex 7 rec.
                                           |   |__PeBoW complex 3 rec.
                                           |   |__Pwp2p-containing subcomplex of 90S preribosome 5 rec.
                                           |   |__RENT complex
                                           |   |__RNA polymerase I complex 14 rec.
                                           |   |__RNA polymerase I transcription regulator complex(+) 3 rec.
                                           |   |__small-subunit processome 46 rec.
                                           |   |__t-UTP complex 3 rec.
                                           |   |__UTP-C complex 2 rec.
                                           |__nucleolus-like body
                                           |__nucleoplasm 524 rec.
                                           |   |__DNA replication preinitiation complex(+) 14 rec.
                                           |   |__histone deacetylase complex(+) 37 rec.
                                           |   |__histone methyltransferase complex(+) 48 rec.
                                           |   |__nuclear body(+) 112 rec.
                                           |   |__nuclear DNA-directed RNA polymerase complex(+) 88 rec.
                                           |   |__nuclear pre-replicative complex 2 rec.
                                           |   |__nucleoplasmic periphery of the nuclear pore complex
                                           |   |__transcription elongation factor complex(+) 51 rec.
                                           |__perinucleolar compartment
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Is a intracellular organelle lumen
Part of nucleus
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