Annotations: 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
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)
D	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)
B	SCOP2B Superfamily	Type B glycosyltransferase-like	8069095	3001586	SCOP2B (2022-06-29)
A	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)
D	HetR_C	e2c4mD1	A: alpha arrays	X: Repetitive alpha hairpins	H: Dimerization domain of heterocyst differentiation protein HetR	T: Dimerization domain of heterocyst differentiation protein HetR	F: HetR_C	ECOD (v295)
C	HetR_C	e2c4mC1	A: alpha arrays	X: Repetitive alpha hairpins	H: Dimerization domain of heterocyst differentiation protein HetR	T: Dimerization domain of heterocyst differentiation protein HetR	F: HetR_C	ECOD (v295)
B	HetR_C	e2c4mB1	A: alpha arrays	X: Repetitive alpha hairpins	H: Dimerization domain of heterocyst differentiation protein HetR	T: Dimerization domain of heterocyst differentiation protein HetR	F: HetR_C	ECOD (v295)
A	HetR_C	e2c4mA1	A: alpha arrays	X: Repetitive alpha hairpins	H: Dimerization domain of heterocyst differentiation protein HetR	T: Dimerization domain of heterocyst differentiation protein HetR	F: HetR_C	ECOD (v295)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	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)
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)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

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

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

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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.