1Z45

Crystal structure of the gal10 fusion protein galactose mutarotase/UDP-galactose 4-epimerase from Saccharomyces cerevisiae complexed with NAD, UDP-glucose, and galactose

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

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1z45a1	All beta proteins	Supersandwich	Galactose mutarotase-like	Aldose 1-epimerase (mutarotase)	Galactose mutarotase	baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)
A	d1z45a2	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	Tyrosine-dependent oxidoreductases	Uridine diphosphogalactose-4-epimerase (UDP-galactose 4-epimerase)	baker's yeast (Saccharomyces cerevisiae ) [TaxId: 4932 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Aldose 1-epimerase (mutarotase)	8001529	4000040	SCOP2 (2022-06-29)
A	SCOP2 Family	UDP-glucose 4-epimerase GalE-lke	8057796	4000088	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Galactose mutarotase-like	8001530	3000035	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	SDR-like	8057797	3000038	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)
A	Aldose_epim	e1z45A1	A: beta sandwiches	X: Glycosyl hydrolase domain-like	H: supersandwich (From Topology)	T: supersandwich	F: Aldose_epim	ECOD (1.6)
A	GDP_Man_Dehyd	e1z45A2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: GDP_Man_Dehyd	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
A	3.90.25.10	Alpha Beta	Alpha-Beta Complex	UDP-galactose 4-epimerase	domain 1	CATH (4.3.0)
A	2.70.98.10	Mainly Beta	Distorted Sandwich	Beta-galactosidase	Chain A, domain 5	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01370	NAD dependent epimerase/dehydratase family (Epimerase)	NAD dependent epimerase/dehydratase family	-	Family
A	PF01263	Aldose 1-epimerase (Aldose_epim)	Aldose 1-epimerase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	GAL10 bifunctional protein	binding carbohydrate binding isomerase activity racemase and epimerase activity UDP-glucose 4-epimerase activity racemase and epimerase activity, acting on carbohydrates and derivatives catalytic activity aldose 1-epimerase activity	monosaccharide metabolic process carbohydrate metabolic process catabolic process hexose catabolic process carbohydrate catabolic process galactose catabolic process hexose metabolic process primary metabolic process galactose metabolic process organic substance metabolic process galactose catabolic process via UDP-galactose small molecule metabolic process metabolic process monosaccharide catabolic process monosaccharide metabolic process carbohydrate metabolic process catabolic process hexose catabolic process carbohydrate catabolic process galactose catabolic process hexose metabolic process primary metabolic process galactose metabolic process organic substance metabolic process galactose catabolic process via UDP-galactose small molecule metabolic process metabolic process monosaccharide catabolic process small molecule catabolic process organic substance catabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR008183	Aldose 1-/Glucose-6-phosphate 1-epimerase	Family
A	IPR018052	Aldose 1-epimerase, conserved site	Conserved Site
A	IPR005886	UDP-glucose 4-epimerase	Family
A	IPR036291	NAD(P)-binding domain superfamily	Homologous Superfamily
A	IPR047215	Galactose mutarotase-like	Family
A	IPR001509	NAD-dependent epimerase/dehydratase	Domain
A	IPR014718	Glycoside hydrolase-type carbohydrate-binding	Homologous Superfamily
A	IPR011013	Galactose mutarotase-like domain superfamily	Homologous Superfamily

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.