Annotations: 3O1K

Crystal structure of putative dihydroneopterin aldolase (FolB) from Vibrio cholerae O1 biovar El Tor str. N16961

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	d3o1kd_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	automated matches	automated matches	(Vibrio cholerae O1 biovar El Tor str. N16961 ) [TaxId: 243277 ],	SCOPe (2.08)
C	d3o1kc_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	automated matches	automated matches	(Vibrio cholerae O1 biovar El Tor str. N16961 ) [TaxId: 243277 ],	SCOPe (2.08)
B	d3o1kb_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	automated matches	automated matches	(Vibrio cholerae O1 biovar El Tor str. N16961 ) [TaxId: 243277 ],	SCOPe (2.08)
A	d3o1ka_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	automated matches	automated matches	(Vibrio cholerae O1 biovar El Tor str. N16961 ) [TaxId: 243277 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8075846	3000283	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8075846	3000283	SCOP2B (2022-06-29)
B	SCOP2 Family	DHN aldolase/epimerase	8075845	4001721	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8075846	3000283	SCOP2 (2022-06-29)
A	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8075846	3000283	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	Trypsin	e3o1kD1	A: alpha arrays	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Trypsin	ECOD (v295)
C	Trypsin	e3o1kC1	A: alpha arrays	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Trypsin	ECOD (v295)
B	Trypsin	e3o1kB1	A: alpha arrays	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Trypsin	ECOD (v295)
A	Phospholip_A2_1	e3o1kA1	A: alpha arrays	X: Retrovirus capsid protein	H: Retrovirus capsid protein N-terminal domain	T: Retrovirus capsid protein N-terminal domain	F: Phospholip_A2_1	ECOD (v295)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	3.30.1130.10	Alpha Beta	2-Layer Sandwich	GTP Cyclohydrolase I, domain 2	GTP cyclohydrolase I, C-terminal domain/NADPH-dependent 7-cyano-7-deazaguanine reductase, N-terminal domain	CATH (4.3.0)
C	3.30.1130.10	Alpha Beta	2-Layer Sandwich	GTP Cyclohydrolase I, domain 2	GTP cyclohydrolase I, C-terminal domain/NADPH-dependent 7-cyano-7-deazaguanine reductase, N-terminal domain	CATH (4.3.0)
B	3.30.1130.10	Alpha Beta	2-Layer Sandwich	GTP Cyclohydrolase I, domain 2	GTP cyclohydrolase I, C-terminal domain/NADPH-dependent 7-cyano-7-deazaguanine reductase, N-terminal domain	CATH (4.3.0)
A	3.30.1130.10	Alpha Beta	2-Layer Sandwich	GTP Cyclohydrolase I, domain 2	GTP cyclohydrolase I, C-terminal domain/NADPH-dependent 7-cyano-7-deazaguanine reductase, N-terminal domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF02152	Dihydroneopterin aldolase (FolB)	Dihydroneopterin aldolase	This enzyme EC:4.1.2.25 catalyses the conversion of 7,8-dihydroneopterin to 6-hydroxymethyl-7,8-dihydropterin in the biosynthetic pathway of tetrahydrofolate.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Dihydroneopterin aldolase FolB, putative	isomerase activity catalytic activity dihydroneopterin aldolase activity lyase activity carbon-carbon lyase activity aldehyde-lyase activity	folic acid biosynthetic process folic acid-containing compound biosynthetic process water-soluble vitamin biosynthetic process oxoacid metabolic process small molecule biosynthetic process modified amino acid biosynthetic process dicarboxylic acid metabolic process modified amino acid metabolic process carboxylic acid metabolic process vitamin biosynthetic process vitamin metabolic process carboxylic acid biosynthetic process biosynthetic process folic acid-containing compound metabolic process pteridine-containing compound biosynthetic process folic acid biosynthetic process folic acid-containing compound biosynthetic process water-soluble vitamin biosynthetic process oxoacid metabolic process small molecule biosynthetic process modified amino acid biosynthetic process dicarboxylic acid metabolic process modified amino acid metabolic process carboxylic acid metabolic process vitamin biosynthetic process vitamin metabolic process carboxylic acid biosynthetic process biosynthetic process folic acid-containing compound metabolic process pteridine-containing compound biosynthetic process metabolic process cellular process small molecule metabolic process pteridine-containing compound metabolic process folic acid metabolic process dicarboxylic acid biosynthetic process tetrahydrofolate biosynthetic process tetrahydrofolate metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR006156	Dihydroneopterin aldolase	Family
A, B, C, D	IPR006157	Dihydroneopterin aldolase/epimerase domain	Domain
A, B, C, D	IPR043133	GTP cyclohydrolase I, C-terminal/NADPH-dependent 7-cyano-7-deazaguanine reductase	Homologous Superfamily

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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.