3B8B

Crystal structure of CysQ from Bacteroides thetaiotaomicron, a bacterial member of the inositol monophosphatase family

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Protein Modification Annotation

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Inositol_P_N	e3b8bA2	A: a+b two layers	X: a+b domain in carbohydrate phosphatases (From Topology)	H: a+b domain in carbohydrate phosphatases (From Topology)	T: a+b domain in carbohydrate phosphatases	F: Inositol_P_N	ECOD (1.6)
A	Inositol_P_C	e3b8bA3	A: a/b three-layered sandwiches	X: Rossmann-like domain in carbohydrate phosphatases (From Homology)	H: Rossmann-like domain in carbohydrate phosphatases	T: Rossmann-like domain in carbohydrate phosphatases	F: Inositol_P_C	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.540.10	Alpha Beta	2-Layer Sandwich	Fructose-1,6-Bisphosphatase	Chain A, domain 1	CATH (4.3.0)
A	3.40.190.80	Alpha Beta	3-Layer(aba) Sandwich	D-Maltodextrin-Binding Protein	domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00459	Inositol monophosphatase family (Inositol_P)	Inositol monophosphatase family	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	CysQ, sulfite synthesis pathway protein	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding phosphoric ester hydrolase activity nucleotidase activity hydrolase activity, acting on ester bonds phosphatase activity 3'(2'),5'-bisphosphate nucleotidase activity hydrolase activity catalytic activity	ribose phosphate metabolic process nucleoside bisphosphate metabolic process purine nucleoside bisphosphate metabolic process ribonucleoside bisphosphate metabolic process oxoacid metabolic process carbohydrate derivative metabolic process organic acid metabolic process purine ribonucleoside bisphosphate metabolic process nucleobase-containing compound metabolic process purine nucleotide metabolic process organic substance metabolic process ribonucleotide metabolic process nucleobase-containing small molecule metabolic process phosphate-containing compound metabolic process ribose phosphate metabolic process nucleoside bisphosphate metabolic process purine nucleoside bisphosphate metabolic process ribonucleoside bisphosphate metabolic process oxoacid metabolic process carbohydrate derivative metabolic process organic acid metabolic process purine ribonucleoside bisphosphate metabolic process nucleobase-containing compound metabolic process purine nucleotide metabolic process organic substance metabolic process ribonucleotide metabolic process nucleobase-containing small molecule metabolic process phosphate-containing compound metabolic process small molecule metabolic process sulfur compound metabolic process phosphorus metabolic process nucleoside phosphate metabolic process 3'-phosphoadenosine 5'-phosphosulfate metabolic process organonitrogen compound metabolic process cellular metabolic process primary metabolic process nucleotide metabolic process purine-containing compound metabolic process organic cyclic compound metabolic process organophosphate metabolic process metabolic process cellular process purine ribonucleotide metabolic process sulfate assimilation	cell periphery plasma membrane membrane cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR020583	Inositol monophosphatase, metal-binding site	Binding Site
A	IPR000760	Inositol monophosphatase-like	Family
A	IPR006240	3'(2'),5'-bisphosphate nucleotidase CysQ	Family

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A	CSO	Parent Component: CYS RESID: AA0205 PSI-MOD : L-cysteine sulfenic acid MOD:00210
A	MSE	Parent Component: MET RESID: AA0205

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.