1E4O

Phosphorylase recognition and phosphorolysis of its oligosaccharide substrate: answers to a long outstanding question

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-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d1e4ob_	Alpha and beta proteins (a/b)	UDP-Glycosyltransferase/glycogen phosphorylase	UDP-Glycosyltransferase/glycogen phosphorylase	Oligosaccharide phosphorylase	Maltodextrin phosphorylase (MALP)	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A	d1e4oa_	Alpha and beta proteins (a/b)	UDP-Glycosyltransferase/glycogen phosphorylase	UDP-Glycosyltransferase/glycogen phosphorylase	Oligosaccharide phosphorylase	Maltodextrin phosphorylase (MALP)	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Type B glycosyltransferase-like	8041090	3001586	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Type B glycosyltransferase-like	8041090	3001586	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)
B	Phosphorylase_C	e1e4oB1	A: a/b three-layered sandwiches	X: UDP-Glycosyltransferase/glycogen phosphorylase (From Topology)	H: UDP-Glycosyltransferase/glycogen phosphorylase (From Topology)	T: UDP-Glycosyltransferase/glycogen phosphorylase	F: Phosphorylase_C	ECOD (1.6)
B	Phosphorylase_N	e1e4oB2	A: a/b three-layered sandwiches	X: UDP-Glycosyltransferase/glycogen phosphorylase (From Topology)	H: UDP-Glycosyltransferase/glycogen phosphorylase (From Topology)	T: UDP-Glycosyltransferase/glycogen phosphorylase	F: Phosphorylase_N	ECOD (1.6)
A	Phosphorylase_C	e1e4oA2	A: a/b three-layered sandwiches	X: UDP-Glycosyltransferase/glycogen phosphorylase (From Topology)	H: UDP-Glycosyltransferase/glycogen phosphorylase (From Topology)	T: UDP-Glycosyltransferase/glycogen phosphorylase	F: Phosphorylase_C	ECOD (1.6)
A	Phosphorylase_N	e1e4oA1	A: a/b three-layered sandwiches	X: UDP-Glycosyltransferase/glycogen phosphorylase (From Topology)	H: UDP-Glycosyltransferase/glycogen phosphorylase (From Topology)	T: UDP-Glycosyltransferase/glycogen phosphorylase	F: Phosphorylase_N	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.40.50.2000	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Glycogen Phosphorylase B	CATH (4.3.0)
A	3.40.50.2000	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Glycogen Phosphorylase B	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00343	Carbohydrate phosphorylase (Phosphorylase)	Carbohydrate phosphorylase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	MALTODEXTRIN PHOSPHORYLASE	1,4-alpha-oligoglucan phosphorylase activity glycosyltransferase activity glycogen phosphorylase activity transferase activity hexosyltransferase activity catalytic activity identical protein binding protein binding binding protein homodimerization activity protein dimerization activity vitamin binding vitamin B6 binding pyridoxal phosphate binding 1,4-alpha-oligoglucan phosphorylase activity glycosyltransferase activity glycogen phosphorylase activity transferase activity hexosyltransferase activity catalytic activity identical protein binding protein binding binding protein homodimerization activity protein dimerization activity vitamin binding vitamin B6 binding pyridoxal phosphate binding ion binding organic cyclic compound binding anion binding heterocyclic compound binding small molecule binding maltodextrin phosphorylase activity	carbohydrate metabolic process catabolic process glucan catabolic process carbohydrate catabolic process primary metabolic process alpha-glucan metabolic process macromolecule catabolic process polysaccharide metabolic process glucan metabolic process alpha-glucan catabolic process polysaccharide catabolic process metabolic process cellular process macromolecule metabolic process carbohydrate metabolic process catabolic process glucan catabolic process carbohydrate catabolic process primary metabolic process alpha-glucan metabolic process macromolecule catabolic process polysaccharide metabolic process glucan metabolic process alpha-glucan catabolic process polysaccharide catabolic process metabolic process cellular process macromolecule metabolic process energy derivation by oxidation of organic compounds glycogen metabolic process generation of precursor metabolites and energy glycogen catabolic process energy reserve metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR000811	Glycosyl transferase, family 35	Family
A, B	IPR035090	Phosphorylase pyridoxal-phosphate attachment site	Conserved Site
A, B	IPR011833	Glycogen/starch/alpha-glucan phosphorylase	Family

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.