3O91 | pdb_00003o91

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)
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)
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)
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)
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)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	Isochorismatase-like hydrolases	8065870	3001778	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Isochorismatase-like hydrolases	8065870	3001778	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Isochorismatase-like hydrolases	8065870	3001778	SCOP2B (2022-06-29)
A	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)
D	Gal-bind_lectin	e3o91D1	A: alpha bundles	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Gal-bind_lectin	ECOD (develop294)
C	Gal-bind_lectin	e3o91C1	A: alpha bundles	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Gal-bind_lectin	ECOD (develop294)
B	Gal-bind_lectin	e3o91B1	A: alpha bundles	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Gal-bind_lectin	ECOD (develop294)
A	Gal-bind_lectin	e3o91A1	A: alpha bundles	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Gal-bind_lectin	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	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)
B	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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF00857	Isochorismatase domain (Isochorismatase)	Isochorismatase domain	This is a domain found in hydrolase enzymes. This domain is responsible for the conversion of isochorismate, in the presence of water, to 2,3-dihydroxybenzoate and pyruvate. It shows a typical helix-sheet-helix sandwich structural architecture, with ...	This is a domain found in hydrolase enzymes. This domain is responsible for the conversion of isochorismate, in the presence of water, to 2,3-dihydroxybenzoate and pyruvate. It shows a typical helix-sheet-helix sandwich structural architecture, with a central beta--sheet made of six parallel strands, three alpha -helices on one side and two on the other [3,4].	Domain

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	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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.