Annotations: 2JCB

The crystal structure of 5-formyl-tetrahydrofolate cycloligase from Bacillus anthracis (BA4489)

External Resource: Annotation

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: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	NagB/RpiA/CoA transferase-like	8066655	3000693	SCOP2B (2022-06-29)
A	SCOP2 Family	Methenyltetrahydrofolate synthetase-like	8066654	4002105	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	NagB/RpiA/CoA transferase-like	8066655	3000693	SCOP2 (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	HTHP	e2jcbB1	A: beta barrels	X: HTH	H: Nudix	T: Nudix	F: HTHP	ECOD (v294.2)
A	Cyt-b5	e2jcbA1	A: beta barrels	X: Profilin-like	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Cyt-b5	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.40.50.10420	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NagB/RpiA/CoA transferase-like	CATH (4.3.0)
A	3.40.50.10420	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NagB/RpiA/CoA transferase-like	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01812	5-formyltetrahydrofolate cyclo-ligase family (5-FTHF_cyc-lig)	5-formyltetrahydrofolate cyclo-ligase family	5-formyltetrahydrofolate cyclo-ligase or methenyl-THF synthetase EC:6.3.3.2 catalyses the interchange of 5-formyltetrahydrofolate (5-FTHF) to 5-10-methenyltetrahydrofolate, this requires ATP and Mg2+ [1]. 5-FTHF is used in chemotherapy where it is cl ...	5-formyltetrahydrofolate cyclo-ligase or methenyl-THF synthetase EC:6.3.3.2 catalyses the interchange of 5-formyltetrahydrofolate (5-FTHF) to 5-10-methenyltetrahydrofolate, this requires ATP and Mg2+ [1]. 5-FTHF is used in chemotherapy where it is clinically known as Leucovorin [2].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	5-FORMYLTETRAHYDROFOLATE CYCLO-LIGASE FAMILY PROTEIN	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding catalytic activity cyclo-ligase activity ligase activity, forming carbon-nitrogen bonds 5-formyltetrahydrofolate cyclo-ligase activity ligase activity cation binding metal ion binding	folic acid-containing compound metabolic process tetrahydrofolate interconversion modified amino acid metabolic process metabolic process cellular process small molecule metabolic process tetrahydrofolate metabolic process pteridine-containing compound metabolic process one-carbon metabolic process folic acid-containing compound biosynthetic process biosynthetic process pteridine-containing compound biosynthetic process modified amino acid biosynthetic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR024185	5-formyltetrahydrofolate cyclo-ligase-like domain superfamily	Homologous Superfamily
A, B	IPR037171	NagB/RpiA transferase-like	Homologous Superfamily
A, B	IPR002698	5-formyltetrahydrofolate cyclo-ligase	Family

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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.