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Protein

Ubiquitin carboxyl-terminal hydrolase calypso

Gene

calypso

Organism
Drosophila pseudoobscura pseudoobscura (Fruit fly)
Status
Reviewed-Annotation score: Annotation score: 3 out of 5-Protein inferred from homologyi

Functioni

Polycomb group (PcG) protein. Catalytic component of the PR-DUB complex, a complex that specifically mediates deubiquitination of histone H2A monoubiquitinated at 'Lys-118' (H2AK118ub1). Does not deubiquitinate monoubiquitinated histone H2B. Required to maintain the transcriptionally repressive state of homeotic genes throughout development. The PR-DUB complex has weak or no activity toward 'Lys-48'- and 'Lys-63'-linked polyubiquitin chains (By similarity).By similarity

Catalytic activityi

Thiol-dependent hydrolysis of ester, thioester, amide, peptide and isopeptide bonds formed by the C-terminal Gly of ubiquitin (a 76-residue protein attached to proteins as an intracellular targeting signal).

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Active sitei130 – 1301NucleophileBy similarity
Active sitei212 – 2121Proton donorBy similarity
Sitei227 – 2271Important for enzyme activityBy similarity

GO - Molecular functioni

GO - Biological processi

Complete GO annotation...

Keywords - Molecular functioni

Chromatin regulator, Hydrolase, Protease, Thiol protease

Keywords - Biological processi

Ubl conjugation pathway

Protein family/group databases

MEROPSiC12.A09.

Names & Taxonomyi

Protein namesi
Recommended name:
Ubiquitin carboxyl-terminal hydrolase calypso (EC:3.4.19.12)
Alternative name(s):
BAP1 homolog
Gene namesi
Name:calypso
ORF Names:GA21084
OrganismiDrosophila pseudoobscura pseudoobscura (Fruit fly)
Taxonomic identifieri46245 [NCBI]
Taxonomic lineageiEukaryotaMetazoaEcdysozoaArthropodaHexapodaInsectaPterygotaNeopteraEndopterygotaDipteraBrachyceraMuscomorphaEphydroideaDrosophilidaeDrosophilaSophophora
ProteomesiUP000001819 Componentsi: Chromosome 3, Partially assembled WGS sequence

Organism-specific databases

FlyBaseiFBgn0081072. Dpse\GA21084.

Subcellular locationi

  • Nucleus By similarity

  • Note: Localizes to PcG response elements (PREs).By similarity

GO - Cellular componenti

Complete GO annotation...

Keywords - Cellular componenti

Nucleus

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 475475Ubiquitin carboxyl-terminal hydrolase calypsoPRO_0000395831Add
BLAST

Interactioni

Subunit structurei

Component of the PR-DUB complex, at least composed of calypso and Asx.By similarity

Structurei

3D structure databases

ProteinModelPortaliQ291J4.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the peptidase C12 family. BAP1 subfamily.Curated

Phylogenomic databases

eggNOGiNOG249036.
InParanoidiQ291J4.
KOiK08588.
OMAiAITHKLK.
OrthoDBiEOG7GN2M2.
PhylomeDBiQ291J4.

Family and domain databases

Gene3Di3.40.532.10. 1 hit.
InterProiIPR001578. Peptidase_C12_UCH.
[Graphical view]
PANTHERiPTHR10589. PTHR10589. 1 hit.
PfamiPF01088. Peptidase_C12. 1 hit.
[Graphical view]
PRINTSiPR00707. UBCTHYDRLASE.

Sequencei

Sequence statusi: Complete.

Q291J4-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MNVAAGGPGT ASASTTAANS IFNNSLLASA TGATTMPMAQ LADGWLELES
60 70 80 90 100
DPGLFTLLLE DFGCHDVQVE EVYDLQKPIE SPYGFIFLFR WIEERRARRK
110 120 130 140 150
IVETTAEIFV KDEEAISSIF FAQQVVPNSC ATHALLSVLL NCNENNLQLG
160 170 180 190 200
DTLSRLKVHT KGMSPENKGL AIGNTPELAC AHNSHAIPQA RRRLERTGAG
210 220 230 240 250
VASCRFTGEA FHFVSFVPIS GQLFELDGLK PYPMNHGGWE DHEDWTDKFR
260 270 280 290 300
RVMAERLGIA TGEQDIRFNL MAVVPDRRIA ITHKLKMLRT NQAIVSGTLQ
310 320 330 340 350
KLLKADEQGE SGNGDQQRPD TPTTLLEPSA FTAKDLQLLL KNLDTEIAIN
360 370 380 390 400
EQNLADENDR RHMFKVDASR RTHNYDKFIC TFLSMLAHQG VLGELVSQHL
410 420 430 440 450
LPSKKVSGQS AANRISKQNS AASSAGANAG AAAGVTPKSQ QQQQQPQTAA
460 470
SKNGKSPGKT PGRRRKGRNK CRKRK
Length:475
Mass (Da):52,100
Last modified:April 4, 2006 - v1
Checksum:i02746ECD4125FDD8
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CM000071 Genomic DNA. Translation: EAL25118.1.
RefSeqiXP_001360543.1. XM_001360506.2.

Genome annotation databases

EnsemblMetazoaiFBtr0278406; FBpp0276844; FBgn0081072.
GeneIDi4803898.
KEGGidpo:Dpse_GA21084.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CM000071 Genomic DNA. Translation: EAL25118.1.
RefSeqiXP_001360543.1. XM_001360506.2.

3D structure databases

ProteinModelPortaliQ291J4.
ModBaseiSearch...
MobiDBiSearch...

Protein family/group databases

MEROPSiC12.A09.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsemblMetazoaiFBtr0278406; FBpp0276844; FBgn0081072.
GeneIDi4803898.
KEGGidpo:Dpse_GA21084.

Organism-specific databases

FlyBaseiFBgn0081072. Dpse\GA21084.

Phylogenomic databases

eggNOGiNOG249036.
InParanoidiQ291J4.
KOiK08588.
OMAiAITHKLK.
OrthoDBiEOG7GN2M2.
PhylomeDBiQ291J4.

Family and domain databases

Gene3Di3.40.532.10. 1 hit.
InterProiIPR001578. Peptidase_C12_UCH.
[Graphical view]
PANTHERiPTHR10589. PTHR10589. 1 hit.
PfamiPF01088. Peptidase_C12. 1 hit.
[Graphical view]
PRINTSiPR00707. UBCTHYDRLASE.
ProtoNetiSearch...

Publicationsi

  1. "Comparative genome sequencing of Drosophila pseudoobscura: chromosomal, gene, and cis-element evolution."
    Richards S., Liu Y., Bettencourt B.R., Hradecky P., Letovsky S., Nielsen R., Thornton K., Hubisz M.J., Chen R., Meisel R.P., Couronne O., Hua S., Smith M.A., Zhang P., Liu J., Bussemaker H.J., van Batenburg M.F., Howells S.L.
    , Scherer S.E., Sodergren E., Matthews B.B., Crosby M.A., Schroeder A.J., Ortiz-Barrientos D., Rives C.M., Metzker M.L., Muzny D.M., Scott G., Steffen D., Wheeler D.A., Worley K.C., Havlak P., Durbin K.J., Egan A., Gill R., Hume J., Morgan M.B., Miner G., Hamilton C., Huang Y., Waldron L., Verduzco D., Clerc-Blankenburg K.P., Dubchak I., Noor M.A.F., Anderson W., White K.P., Clark A.G., Schaeffer S.W., Gelbart W.M., Weinstock G.M., Gibbs R.A.
    Genome Res. 15:1-18(2005) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: MV2-25 / Tucson 14011-0121.94.

Entry informationi

Entry nameiCALYP_DROPS
AccessioniPrimary (citable) accession number: Q291J4
Entry historyi
Integrated into UniProtKB/Swiss-Prot: July 13, 2010
Last sequence update: April 4, 2006
Last modified: July 22, 2015
This is version 53 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programDrosophila annotation project

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. Drosophila
    Drosophila: entries, gene names and cross-references to FlyBase
  2. Peptidase families
    Classification of peptidase families and list of entries
  3. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into Uniref entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.