3O91

High resolution crystal structures of Streptococcus pneumoniae nicotinamidase with trapped intermediates provide insights into catalytic mechanism and inhibition by aldehydes

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	d3o91b_	Alpha and beta proteins (a/b)	Isochorismatase-like hydrolases	Isochorismatase-like hydrolases	automated matches	automated matches	(Streptococcus pneumoniae TIGR4 ) [TaxId: 170187 ],	SCOPe (2.08)
C	d3o91c_	Alpha and beta proteins (a/b)	Isochorismatase-like hydrolases	Isochorismatase-like hydrolases	automated matches	automated matches	(Streptococcus pneumoniae TIGR4 ) [TaxId: 170187 ],	SCOPe (2.08)
A	d3o91a_	Alpha and beta proteins (a/b)	Isochorismatase-like hydrolases	Isochorismatase-like hydrolases	automated matches	automated matches	(Streptococcus pneumoniae TIGR4 ) [TaxId: 170187 ],	SCOPe (2.08)
D	d3o91d_	Alpha and beta proteins (a/b)	Isochorismatase-like hydrolases	Isochorismatase-like hydrolases	automated matches	automated matches	(Streptococcus pneumoniae TIGR4 ) [TaxId: 170187 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Isochorismatase-like hydrolases	8065870	3001778	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Isochorismatase-like hydrolases	8065870	3001778	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Isochorismatase-like hydrolases	8065870	3001778	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Isochorismatase-like hydrolases	8065870	3001778	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	Isochorismatase	e3o91B1	A: a/b three-layered sandwiches	X: Isochorismatase-like hydrolases (From Topology)	H: Isochorismatase-like hydrolases (From Topology)	T: Isochorismatase-like hydrolases	F: Isochorismatase	ECOD (1.6)
C	Isochorismatase	e3o91C1	A: a/b three-layered sandwiches	X: Isochorismatase-like hydrolases (From Topology)	H: Isochorismatase-like hydrolases (From Topology)	T: Isochorismatase-like hydrolases	F: Isochorismatase	ECOD (1.6)
A	Isochorismatase	e3o91A1	A: a/b three-layered sandwiches	X: Isochorismatase-like hydrolases (From Topology)	H: Isochorismatase-like hydrolases (From Topology)	T: Isochorismatase-like hydrolases	F: Isochorismatase	ECOD (1.6)
D	Isochorismatase	e3o91D1	A: a/b three-layered sandwiches	X: Isochorismatase-like hydrolases (From Topology)	H: Isochorismatase-like hydrolases (From Topology)	T: Isochorismatase-like hydrolases	F: Isochorismatase	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.40.50.850	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Isochorismatase-like	CATH (4.3.0)
C	3.40.50.850	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Isochorismatase-like	CATH (4.3.0)
A	3.40.50.850	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Isochorismatase-like	CATH (4.3.0)
D	3.40.50.850	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Isochorismatase-like	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF00857	Isochorismatase family (Isochorismatase)	Isochorismatase family	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	nicotinamidase	hydrolase activity catalytic activity cation binding ion binding binding metal ion binding small molecule binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR000868	Isochorismatase-like	Domain
A, B, C, D	IPR050272	Isochorismatase-like hydrolase	Family
A, B, C, D	IPR036380	Isochorismatase-like superfamily	Homologous Superfamily

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.