Annotations: 4HLN

Structure of barley starch synthase I in complex with maltooligosaccharide

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)
A	SCOP2 Family	Glycosyl transferases group 1	8074398	4002330	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Type B glycosyltransferase-like	8074399	3001586	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	HetR_C	e4hlnA2	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	FGGY_C	e4hlnA1	A: alpha arrays	X: omega toxin-like	H: HTH	T: Three-helical HTH	F: FGGY_C	ECOD (v295)

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)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Starch synthase I	UDP-glycosyltransferase activity alpha-1,4-glucan glucosyltransferase (NDP-glucose donor) activity glycosyltransferase activity alpha-1,4-glucan glucosyltransferase (UDP-glucose donor) activity transferase activity glucosyltransferase activity hexosyltransferase activity catalytic activity UDP-glucosyltransferase activity alpha-1,4-glucan glucosyltransferase (ADP-glucose donor) activity	carbohydrate metabolic process glucan biosynthetic process polysaccharide biosynthetic process carbohydrate biosynthetic process primary metabolic process macromolecule biosynthetic process polysaccharide metabolic process glucan metabolic process biosynthetic process starch metabolic process metabolic process cellular process macromolecule metabolic process starch biosynthetic process carbohydrate metabolic process glucan biosynthetic process polysaccharide biosynthetic process carbohydrate biosynthetic process primary metabolic process macromolecule biosynthetic process polysaccharide metabolic process glucan metabolic process biosynthetic process starch metabolic process metabolic process cellular process macromolecule metabolic process starch biosynthetic process carbohydrate derivative biosynthetic process amylopectin metabolic process carbohydrate derivative metabolic process amylopectin biosynthetic process	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure plastid organelle cytoplasm intracellular membrane-bounded organelle amyloplast chloroplast

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR011835	Bacterial/plant glycogen synthase	Family
A	IPR013534	Starch synthase, catalytic domain	Domain
A	IPR001296	Glycosyl transferase, family 1	Domain

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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.