3KOU

Structural insights into the catalytic mechanism of CD38: Evidence for a conformationally flexible covalent enzyme-substrate complex.

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)
B	d3koub_	Alpha and beta proteins (a/b)	Flavodoxin-like	N-(deoxy)ribosyltransferase-like	automated matches	automated matches	(Bos taurus ) [TaxId: 9913 ],	SCOPe (2.08)
A	d3koua_	Alpha and beta proteins (a/b)	Flavodoxin-like	N-(deoxy)ribosyltransferase-like	automated matches	automated matches	(Bos taurus ) [TaxId: 9913 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2 Family	ADP ribosyl cyclase-like	8079688	4002729	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	N-(deoxy)ribosyltransferase-like	8079689	3001392	SCOP2 (2022-06-29)
A	SCOP2B Superfamily	N-(deoxy)ribosyltransferase-like	8079689	3001392	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)
B	PF02267	e3kouB1	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: N-deoxyribosyltransferase (From Topology)	T: N-deoxyribosyltransferase	F: PF02267	ECOD (1.6)
A	PF02267	e3kouA1	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: N-deoxyribosyltransferase (From Topology)	T: N-deoxyribosyltransferase	F: PF02267	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	1.20.82.10	Mainly Alpha	Up-down Bundle	ADP Ribosyl Cyclase	Chain A, domain 1	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)
A	1.20.82.10	Mainly Alpha	Up-down Bundle	ADP Ribosyl Cyclase	Chain A, domain 1	CATH (4.3.0)
A	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF02267	ADP-ribosyl cyclase (Rib_hydrolayse)	ADP-ribosyl cyclase	ADP-ribosyl cyclase EC:3.2.2.5 (also know as cyclic ADP-ribose hydrolase or CD38) synthesises cyclic-ADP ribose, a second messenger for glucose-induced insulin secretion.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	CD38 molecule	hydrolase activity, acting on glycosyl bonds NADP+ nucleosidase activity hydrolase activity hydrolase activity, hydrolyzing N-glycosyl compounds catalytic activity NAD+ nucleotidase, cyclic ADP-ribose generating transferase activity	metabolic process	membrane cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR003193	ADP-ribosyl cyclase (CD38/157)	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.