Annotations: 1U1I

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1u1ia1	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	(Archaeoglobus fulgidus DSM 4304 ) [TaxId: 224325 ],	SCOPe (2.08)
A	d1u1ia2	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	(Archaeoglobus fulgidus DSM 4304 ) [TaxId: 224325 ],	SCOPe (2.08)
B	d1u1ib1	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	(Archaeoglobus fulgidus DSM 4304 ) [TaxId: 224325 ],	SCOPe (2.08)
B	d1u1ib2	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	(Archaeoglobus fulgidus DSM 4304 ) [TaxId: 224325 ],	SCOPe (2.08)
C	d1u1ic1	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	(Archaeoglobus fulgidus DSM 4304 ) [TaxId: 224325 ],	SCOPe (2.08)
C	d1u1ic2	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	(Archaeoglobus fulgidus DSM 4304 ) [TaxId: 224325 ],	SCOPe (2.08)
D	d1u1id1	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	(Archaeoglobus fulgidus DSM 4304 ) [TaxId: 224325 ],	SCOPe (2.08)
D	d1u1id2	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	(Archaeoglobus fulgidus DSM 4304 ) [TaxId: 224325 ],	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	8058531	4000095	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	GAPDH-like	8058532	3000043	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	GAPDH-like	8058532	3000043	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	GAPDH-like	8058532	3000043	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	GAPDH-like	8058532	3000043	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	Inos-1-P_synth	e1u1iA1	A: a+b two layers	X: FwdE/GAPDH domain-like	H: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain (From Topology)	T: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain	F: Inos-1-P_synth	ECOD (1.6)
A	NAD_binding_5	e1u1iA2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: NAD_binding_5	ECOD (1.6)
B	Inos-1-P_synth	e1u1iB1	A: a+b two layers	X: FwdE/GAPDH domain-like	H: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain (From Topology)	T: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain	F: Inos-1-P_synth	ECOD (1.6)
B	NAD_binding_5	e1u1iB2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: NAD_binding_5	ECOD (1.6)
C	Inos-1-P_synth	e1u1iC1	A: a+b two layers	X: FwdE/GAPDH domain-like	H: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain (From Topology)	T: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain	F: Inos-1-P_synth	ECOD (1.6)
C	NAD_binding_5	e1u1iC2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: NAD_binding_5	ECOD (1.6)
D	Inos-1-P_synth	e1u1iD1	A: a+b two layers	X: FwdE/GAPDH domain-like	H: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain (From Topology)	T: Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain	F: Inos-1-P_synth	ECOD (1.6)
D	NAD_binding_5	e1u1iD2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: NAD_binding_5	ECOD (1.6)

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)
B	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
B	3.30.360.10	Alpha Beta	2-Layer Sandwich	Dihydrodipicolinate Reductase	domain 2	CATH (4.3.0)
C	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
C	3.30.360.10	Alpha Beta	2-Layer Sandwich	Dihydrodipicolinate Reductase	domain 2	CATH (4.3.0)
D	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
D	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, B, C, D	PF01658	Myo-inositol-1-phosphate synthase (Inos-1-P_synth)	Myo-inositol-1-phosphate synthase	-	Family
A, B, C, D	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, B, C, D	myo-inositol-1-phosphate synthase	binding nucleoside phosphate binding organic cyclic compound binding nucleotide binding heterocyclic compound binding small molecule binding intramolecular lyase activity isomerase activity inositol-3-phosphate synthase activity catalytic activity	cellular metabolic process lipid biosynthetic process primary metabolic process phospholipid biosynthetic process phospholipid metabolic process organic substance metabolic process biosynthetic process organophosphate metabolic process organophosphate biosynthetic process organic substance biosynthetic process cellular lipid metabolic process phosphate-containing compound metabolic process metabolic process cellular process cellular metabolic process lipid biosynthetic process primary metabolic process phospholipid biosynthetic process phospholipid metabolic process organic substance metabolic process biosynthetic process organophosphate metabolic process organophosphate biosynthetic process organic substance biosynthetic process cellular lipid metabolic process phosphate-containing compound metabolic process metabolic process cellular process phosphorus metabolic process lipid metabolic process polyol metabolic process small molecule biosynthetic process organic hydroxy compound metabolic process alcohol metabolic process inositol biosynthetic process inositol metabolic process organic hydroxy compound biosynthetic process polyol biosynthetic process alcohol biosynthetic process small molecule metabolic process	membrane cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

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