6QH4

Crystal structure of human Methylmalonyl-CoA epimerase (MCEE) p.Arg143Cys variant

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)
A [auth C]	d6qh4c1	Alpha and beta proteins (a+b)	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	automated matches	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A [auth C]	d6qh4c2	Artifacts	Tags	Tags	Tags	N-terminal Tags	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B [auth A]	d6qh4a1	Alpha and beta proteins (a+b)	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	automated matches	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B [auth A]	d6qh4a2	Artifacts	Tags	Tags	Tags	N-terminal Tags	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C [auth B]	d6qh4b1	Alpha and beta proteins (a+b)	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	automated matches	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C [auth B]	d6qh4b2	Artifacts	Tags	Tags	Tags	N-terminal Tags	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
D	d6qh4d1	Alpha and beta proteins (a+b)	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	automated matches	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
D	d6qh4d2	Artifacts	Tags	Tags	Tags	N-terminal Tags	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)
A [auth C]	SCOP2B Superfamily	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	8087527	3000739	SCOP2B (2022-06-29)
B [auth A]	SCOP2B Superfamily	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	8087527	3000739	SCOP2B (2022-06-29)
C [auth B]	SCOP2B Superfamily	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	8087527	3000739	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	8087527	3000739	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth C]	PF13669	e6qh4C2	A: a+b two layers	X: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase (From Topology)	H: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase (From Topology)	T: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	F: PF13669	ECOD (1.6)
B [auth A]	PF13669	e6qh4A1	A: a+b two layers	X: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase (From Topology)	H: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase (From Topology)	T: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	F: PF13669	ECOD (1.6)
C [auth B]	PF13669	e6qh4B1	A: a+b two layers	X: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase (From Topology)	H: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase (From Topology)	T: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	F: PF13669	ECOD (1.6)
D	PF13669	e6qh4D1	A: a+b two layers	X: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase (From Topology)	H: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase (From Topology)	T: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	F: PF13669	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A [auth C]	3.10.180.10	Alpha Beta	Roll	2,3-Dihydroxybiphenyl 1,2-Dioxygenase	domain 1	CATH (4.3.0)
B [auth A]	3.10.180.10	Alpha Beta	Roll	2,3-Dihydroxybiphenyl 1,2-Dioxygenase	domain 1	CATH (4.3.0)
C [auth B]	3.10.180.10	Alpha Beta	Roll	2,3-Dihydroxybiphenyl 1,2-Dioxygenase	domain 1	CATH (4.3.0)
D	3.10.180.10	Alpha Beta	Roll	2,3-Dihydroxybiphenyl 1,2-Dioxygenase	domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth C], B [auth A], C [auth B], D	PF13669	Glyoxalase/Bleomycin resistance protein/Dioxygenase superfamily (Glyoxalase_4)	Glyoxalase/Bleomycin resistance protein/Dioxygenase superfamily	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth C], B [auth A], C [auth B], D	Methylmalonyl-CoA epimerase, mitochondrial	cation binding ion binding binding metal ion binding small molecule binding isomerase activity racemase and epimerase activity methylmalonyl-CoA epimerase activity catalytic activity	catabolic process oxoacid metabolic process short-chain fatty acid metabolic process organic acid catabolic process organic acid metabolic process cellular lipid catabolic process cellular catabolic process organic substance metabolic process monocarboxylic acid catabolic process carboxylic acid catabolic process small molecule metabolic process fatty acid metabolic process short-chain fatty acid catabolic process lipid catabolic process catabolic process oxoacid metabolic process short-chain fatty acid metabolic process organic acid catabolic process organic acid metabolic process cellular lipid catabolic process cellular catabolic process organic substance metabolic process monocarboxylic acid catabolic process carboxylic acid catabolic process small molecule metabolic process fatty acid metabolic process short-chain fatty acid catabolic process lipid catabolic process cellular metabolic process carboxylic acid metabolic process primary metabolic process fatty acid catabolic process cellular lipid metabolic process metabolic process cellular process monocarboxylic acid metabolic process small molecule catabolic process organic substance catabolic process lipid metabolic process ribose phosphate metabolic process nucleoside bisphosphate metabolic process purine nucleoside bisphosphate metabolic process ribonucleoside bisphosphate metabolic process L-methylmalonyl-CoA metabolic process carbohydrate derivative metabolic process nucleobase-containing compound metabolic process purine nucleotide metabolic process acyl-CoA metabolic process ribonucleotide metabolic process nucleobase-containing small molecule metabolic process phosphate-containing compound metabolic process sulfur compound metabolic process amide metabolic process thioester metabolic process phosphorus metabolic process nucleoside phosphate metabolic process organonitrogen compound metabolic process nucleotide metabolic process purine-containing compound metabolic process organic cyclic compound metabolic process organophosphate metabolic process purine ribonucleotide metabolic process	membrane-bounded organelle intracellular anatomical structure mitochondrion membrane-enclosed lumen cellular anatomical entity intracellular membrane-bounded organelle mitochondrial matrix intracellular organelle lumen intracellular organelle organelle lumen organelle cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth C], B [auth A], C [auth B], D	IPR017515	Methylmalonyl-CoA epimerase	Family
A [auth C], B [auth A], C [auth B], D	IPR029068	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	Homologous Superfamily
A [auth C], B [auth A], C [auth B], D	IPR037523	Vicinal oxygen chelate (VOC) domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A [auth C], B [auth A], C [auth B], D	Pharos: Q96PE7	methylmalonic acidemia due to methylmalonyl-CoA epimerase deficiency methylmalonic acidemia adrenal cortex carcinoma inherited organic acidemia pancreatic ductal adenocarcinoma Hyperammonemia intellectual disability Pick disease inborn errors of metabolism ovarian cancer

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 R01GM133198.