Annotations: 1VKO

Crystal structure of inositol-3-phosphate synthase (ce21227) from Caenorhabditis elegans at 2.30 A resolution

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)
A	d1vkoa1	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	Glyceraldehyde-3-phosphate dehydrogenase-like, N-terminal domain	Myo-inositol 1-phosphate synthase	(Caenorhabditis elegans ) [TaxId: 6239 ],	SCOPe (2.08)
A	d1vkoa2	Alpha and beta proteins (a+b)	FwdE/GAPDH domain-like	Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain	Dihydrodipicolinate reductase-like	Myo-inositol 1-phosphate synthase	(Caenorhabditis elegans ) [TaxId: 6239 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Dihydrodipicolinate reductase-like	8058533	4000095	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	GAPDH-like	8058534	3000043	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	Pkinase	e1vkoA1	A: alpha arrays	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: Pkinase	ECOD (v295.2)
A	NAD_binding_3	e1vkoA2	A: alpha arrays	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: C-terminal subdomain in Lon-related proteases catalytic domains	F: NAD_binding_3	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
A	3.30.360.10	Alpha Beta	2-Layer Sandwich	Dihydrodipicolinate Reductase	domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01658	Myo-inositol-1-phosphate synthase (Inos-1-P_synth)	Myo-inositol-1-phosphate synthase	-	Family
A	PF07994	Myo-inositol-1-phosphate synthase (NAD_binding_5)	Myo-inositol-1-phosphate synthase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	inositol-3-phosphate synthase	intramolecular lyase activity isomerase activity inositol-3-phosphate synthase activity catalytic activity	lipid biosynthetic process primary metabolic process phospholipid biosynthetic process phospholipid metabolic process biosynthetic process organophosphate metabolic process organophosphate biosynthetic process metabolic process cellular process phosphorus metabolic process lipid metabolic process polyol metabolic process small molecule biosynthetic process alcohol metabolic process lipid biosynthetic process primary metabolic process phospholipid biosynthetic process phospholipid metabolic process biosynthetic process organophosphate metabolic process organophosphate biosynthetic process metabolic process cellular process phosphorus metabolic process lipid metabolic process polyol metabolic process small molecule biosynthetic process alcohol metabolic process inositol biosynthetic process inositol metabolic process polyol biosynthetic process alcohol biosynthetic process small molecule metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036291	NAD(P)-binding domain superfamily	Homologous Superfamily
A	IPR013021	Myo-inositol-1-phosphate synthase, GAPDH-like	Domain
A	IPR002587	Myo-inositol-1-phosphate synthase	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.