2QGX

Ubiquitin-conjugating enzyme E2Q

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d2qgxb_	Alpha and beta proteins (a+b)	UBC-like	UBC-like	UBC-related	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C	d2qgxc_	Alpha and beta proteins (a+b)	UBC-like	UBC-like	UBC-related	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
D	d2qgxd_	Alpha and beta proteins (a+b)	UBC-like	UBC-like	UBC-related	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d2qgxa_	Alpha and beta proteins (a+b)	UBC-like	UBC-like	UBC-related	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	UBC-like	8079231	3000570	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	UBC-like	8079231	3000570	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	UBC-like	8079231	3000570	SCOP2B (2022-06-29)
A	SCOP2 Family	UBC-related	8079230	4001046	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	UBC-like	8079231	3000570	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	UQ_con	e2qgxB1	A: a+b two layers	X: UBC-like	H: UBC-like (From Topology)	T: UBC-like	F: UQ_con	ECOD (1.6)
C	UQ_con	e2qgxC1	A: a+b two layers	X: UBC-like	H: UBC-like (From Topology)	T: UBC-like	F: UQ_con	ECOD (1.6)
D	UQ_con	e2qgxD1	A: a+b two layers	X: UBC-like	H: UBC-like (From Topology)	T: UBC-like	F: UQ_con	ECOD (1.6)
A	UQ_con	e2qgxA1	A: a+b two layers	X: UBC-like	H: UBC-like (From Topology)	T: UBC-like	F: UQ_con	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.10.110.10	Alpha Beta	Roll	Ubiquitin Conjugating Enzyme	Ubiquitin Conjugating Enzyme	CATH (4.3.0)
C	3.10.110.10	Alpha Beta	Roll	Ubiquitin Conjugating Enzyme	Ubiquitin Conjugating Enzyme	CATH (4.3.0)
D	3.10.110.10	Alpha Beta	Roll	Ubiquitin Conjugating Enzyme	Ubiquitin Conjugating Enzyme	CATH (4.3.0)
A	3.10.110.10	Alpha Beta	Roll	Ubiquitin Conjugating Enzyme	Ubiquitin Conjugating Enzyme	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF00179	Ubiquitin-conjugating enzyme (UQ_con)	Ubiquitin-conjugating enzyme	Proteins destined for proteasome-mediated degradation may be ubiquitinated. Ubiquitination follows conjugation of ubiquitin to a conserved cysteine residue of UBC homologues. TSG101 is one of several UBC homologues that lacks this active site cystein ...	Proteins destined for proteasome-mediated degradation may be ubiquitinated. Ubiquitination follows conjugation of ubiquitin to a conserved cysteine residue of UBC homologues. TSG101 is one of several UBC homologues that lacks this active site cysteine [4, 5].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Ubiquitin-conjugating enzyme E2 Q1	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding ubiquitin conjugating enzyme activity aminoacyltransferase activity ubiquitin-like protein transferase activity catalytic activity, acting on a protein acyltransferase activity ubiquitin-like protein conjugating enzyme activity transferase activity catalytic activity ubiquitin-protein transferase activity	protein localization establishment of protein localization cellular localization nitrogen compound transport transport signaling hormone secretion cell communication protein localization to extracellular region peptide secretion localization secretion by cell amide transport signal release cellular macromolecule localization protein localization establishment of protein localization cellular localization nitrogen compound transport transport signaling hormone secretion cell communication protein localization to extracellular region peptide secretion localization secretion by cell amide transport signal release cellular macromolecule localization regulation of biological quality regulation of biological process secretion regulation of hormone levels prolactin secretion biological regulation establishment of protein localization to extracellular region cell-cell signaling export from cell protein secretion establishment of localization peptide transport protein transport peptide hormone secretion macromolecule localization hormone transport cellular process protein polyubiquitination primary metabolic process protein ubiquitination macromolecule modification metabolic process protein metabolic process macromolecule metabolic process post-translational protein modification protein modification process protein modification by small protein conjugation protein modification by small protein conjugation or removal behavior suckling behavior multicellular organismal process feeding behavior developmental process multicellular organism development reproductive system development anatomical structure development system development sexual reproduction reproductive process fertilization multicellular organismal reproductive process reproductive behavior mating behavior multi-multicellular organism process female pregnancy embryo implantation multi-organism reproductive process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol cell projection actin-based cell projection filopodium plasma membrane bounded cell projection membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR000608	Ubiquitin-conjugating enzyme E2	Domain
A, B, C, D	IPR016135	Ubiquitin-conjugating enzyme/RWD-like	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C, D	Pharos: Q7Z7E8	abdominal aortic aneurysm atopic eczema osteosarcoma rheumatoid arthritis allergic rhinitis atrial fibrillation ovarian cancer Sjogren syndrome ankylosing spondylitis myocardial infarction plasma cell myeloma

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.