2C4M

Starch phosphorylase: structural studies explain oxyanion-dependent kinetic stability and regulatory control.

External Resource: Annotation

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: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Type B glycosyltransferase-like	8069095	3001586	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Type B glycosyltransferase-like	8069095	3001586	SCOP2B (2022-06-29)
C	SCOP2 Family	Oligosaccharide phosphorylase	8069094	4000830	SCOP2 (2022-06-29)
C	SCOP2 Superfamily	Type B glycosyltransferase-like	8069095	3001586	SCOP2 (2022-06-29)
D	SCOP2B Superfamily	Type B glycosyltransferase-like	8069095	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)
A	Phosphorylase_C	e2c4mA2	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	e2c4mA1	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)
B	Phosphorylase_C	e2c4mB2	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	e2c4mB1	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)
C	Phosphorylase_C	e2c4mC2	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)
C	Phosphorylase_N	e2c4mC1	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)
D	Phosphorylase_C	e2c4mD2	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)
D	Phosphorylase_N	e2c4mD1	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)
A	3.40.50.2000	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Glycogen Phosphorylase B	CATH (4.3.0)
B	3.40.50.2000	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Glycogen Phosphorylase B	CATH (4.3.0)
C	3.40.50.2000	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Glycogen Phosphorylase B	CATH (4.3.0)
D	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, C, D	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, C, D	GLYCOGEN PHOSPHORYLASE	glycosyltransferase activity transferase activity hexosyltransferase activity catalytic activity SHG alpha-glucan phosphorylase activity 1,4-alpha-oligoglucan phosphorylase activity glycogen phosphorylase activity vitamin binding vitamin B6 binding pyridoxal phosphate binding ion binding binding organic cyclic compound binding anion binding glycosyltransferase activity transferase activity hexosyltransferase activity catalytic activity SHG alpha-glucan phosphorylase activity 1,4-alpha-oligoglucan phosphorylase activity glycogen phosphorylase activity vitamin binding vitamin B6 binding pyridoxal phosphate binding ion binding binding organic cyclic compound binding anion binding heterocyclic compound binding small molecule binding linear malto-oligosaccharide phosphorylase activity	carbohydrate metabolic process organic substance metabolic process primary metabolic process metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

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

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.