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1QCQ

UBIQUITIN CONJUGATING ENZYME

Replaces:  2UCE
Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0000209biological_processprotein polyubiquitination
A0004842molecular_functionubiquitin-protein transferase activity
A0005515molecular_functionprotein binding
A0005524molecular_functionATP binding
A0005634cellular_componentnucleus
A0005737cellular_componentcytoplasm
A0006511biological_processubiquitin-dependent protein catabolic process
A0016567biological_processprotein ubiquitination
A0016740molecular_functiontransferase activity
A0030674molecular_functionprotein-macromolecule adaptor activity
A0034605biological_processcellular response to heat
A0043130molecular_functionubiquitin binding
A0043162biological_processubiquitin-dependent protein catabolic process via the multivesicular body sorting pathway
A0061631molecular_functionubiquitin conjugating enzyme activity
A0070628molecular_functionproteasome binding
A0071629biological_processcytoplasm protein quality control by the ubiquitin-proteasome system
A0072344biological_processrescue of stalled cytosolic ribosome
A0072671biological_processmitochondria-associated ubiquitin-dependent protein catabolic process
A1990116biological_processribosome-associated ubiquitin-dependent protein catabolic process
Functional Information from PROSITE/UniProt
site_idPS00183
Number of Residues16
DetailsUBC_1 Ubiquitin-conjugating (UBC) active site signature. YHPNInan.GnICLdiL
ChainResidueDetails
ATYR75-LEU90

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues146
DetailsDomain: {"description":"UBC core","evidences":[{"source":"PROSITE-ProRule","id":"PRU00388","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues21
DetailsRegion: {"description":"Disordered","evidences":[{"source":"SAM","id":"MobiDB-lite","evidenceCode":"ECO:0000256"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues11
DetailsCompositional bias: {"description":"Basic and acidic residues","evidences":[{"source":"SAM","id":"MobiDB-lite","evidenceCode":"ECO:0000256"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsActive site: {"description":"Glycyl thioester intermediate","evidences":[{"source":"PROSITE-ProRule","id":"PRU00388","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"18407956","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"PubMed","id":"22106047","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

249697

PDB entries from 2026-02-25

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