Annotations: 3NRE

Crystal structure of a Putative aldose 1-epimerase (b2544) from ESCHERICHIA COLI K12 at 1.59 A resolution

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	Trypsin	e3nreD1	A: alpha arrays	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Trypsin	ECOD (v295)
C	Trypsin	e3nreC1	A: alpha arrays	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Trypsin	ECOD (v295)
B	Trypsin	e3nreB1	A: alpha arrays	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Trypsin	ECOD (v295)
A	MarR_2	e3nreA1	A: alpha arrays	X: Retrovirus capsid protein	H: Retrovirus capsid protein N-terminal domain	T: Retrovirus capsid protein N-terminal domain	F: MarR_2	ECOD (v295)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	2.70.98.10	Mainly Beta	Distorted Sandwich	Beta-galactosidase	Chain A, domain 5	CATH (4.3.0)
C	2.70.98.10	Mainly Beta	Distorted Sandwich	Beta-galactosidase	Chain A, domain 5	CATH (4.3.0)
B	2.70.98.10	Mainly Beta	Distorted Sandwich	Beta-galactosidase	Chain A, domain 5	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, B, C, D	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, B, C, D	Aldose 1-epimerase	isomerase activity aldose 1-epimerase activity racemase and epimerase activity racemase and epimerase activity, acting on carbohydrates and derivatives catalytic activity binding carbohydrate binding	cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process monosaccharide metabolic process carbohydrate metabolic process catabolic process hexose catabolic process carbohydrate catabolic process galactose catabolic process carbohydrate derivative metabolic process hexose metabolic process cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process monosaccharide metabolic process carbohydrate metabolic process catabolic process hexose catabolic process carbohydrate catabolic process galactose catabolic process carbohydrate derivative metabolic process hexose metabolic process primary metabolic process beta-D-galactose catabolic process via UDP-galactose, Leloir pathway galactose metabolic process organophosphate metabolic process metabolic process small molecule metabolic process phosphorus metabolic process monosaccharide catabolic process small molecule catabolic process glucose metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR014718	Glycoside hydrolase-type carbohydrate-binding	Homologous Superfamily
A, B, C, D	IPR008183	Aldose 1-/Glucose-6-phosphate 1-epimerase	Family
A, B, C, D	IPR011013	Galactose mutarotase-like domain superfamily	Homologous Superfamily

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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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.