4CJX

The crystal structure of Trypanosoma brucei N5, N10- methylenetetrahydrofolate dehydrogenase-cyclohydrolase (FolD) complexed with NADP cofactor and inhibitor

External Resource: Annotation

Domain Annotation: SCOP/SCOPe 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)
A	d4cjxa2	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	automated matches	automated matches	(Trypanosoma brucei brucei TREU927 ) [TaxId: 185431 ],	SCOPe (2.08)
A	d4cjxa1	Alpha and beta proteins (a/b)	Aminoacid dehydrogenase-like, N-terminal domain	Aminoacid dehydrogenase-like, N-terminal domain	automated matches	automated matches	(Trypanosoma brucei brucei TREU927 ) [TaxId: 185431 ],	SCOPe (2.08)
B	d4cjxb2	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	automated matches	automated matches	(Trypanosoma brucei brucei TREU927 ) [TaxId: 185431 ],	SCOPe (2.08)
B	d4cjxb1	Alpha and beta proteins (a/b)	Aminoacid dehydrogenase-like, N-terminal domain	Aminoacid dehydrogenase-like, N-terminal domain	automated matches	automated matches	(Trypanosoma brucei brucei TREU927 ) [TaxId: 185431 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	THF_DHG_CYH_C	e4cjxA2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: THF_DHG_CYH_C	ECOD (1.6)
A	THF_DHG_CYH	e4cjxA1	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: Aminoacid dehydrogenase-like, N-terminal domain	F: THF_DHG_CYH	ECOD (1.6)
B	THF_DHG_CYH_C	e4cjxB2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: THF_DHG_CYH_C	ECOD (1.6)
B	THF_DHG_CYH	e4cjxB1	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: Aminoacid dehydrogenase-like, N-terminal domain	F: THF_DHG_CYH	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
A	3.40.50.10860	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Leucine Dehydrogenase, 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)
B	3.40.50.10860	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Leucine Dehydrogenase, chain A, domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF02882	Tetrahydrofolate dehydrogenase/cyclohydrolase, NAD(P)-binding domain (THF_DHG_CYH_C)	Tetrahydrofolate dehydrogenase/cyclohydrolase, NAD(P)-binding domain	-	Domain
A, B	PF00763	Tetrahydrofolate dehydrogenase/cyclohydrolase, catalytic domain (THF_DHG_CYH)	Tetrahydrofolate dehydrogenase/cyclohydrolase, catalytic domain	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	C-1-TETRAHYDROFOLATE SYNTHASE, CYTOPLASMIC, PUTATIVE	hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in cyclic amidines cyclohydrolase activity methenyltetrahydrofolate cyclohydrolase activity hydrolase activity catalytic activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds methylenetetrahydrofolate dehydrogenase (NADP+) activity oxidoreductase activity oxidoreductase activity, acting on the CH-NH group of donors, NAD or NADP as acceptor oxidoreductase activity, acting on the CH-NH group of donors methylenetetrahydrofolate dehydrogenase [NAD(P)+] activity binding nucleoside phosphate binding organic cyclic compound binding hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in cyclic amidines cyclohydrolase activity methenyltetrahydrofolate cyclohydrolase activity hydrolase activity catalytic activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds methylenetetrahydrofolate dehydrogenase (NADP+) activity oxidoreductase activity oxidoreductase activity, acting on the CH-NH group of donors, NAD or NADP as acceptor oxidoreductase activity, acting on the CH-NH group of donors methylenetetrahydrofolate dehydrogenase [NAD(P)+] activity binding nucleoside phosphate binding organic cyclic compound binding nucleotide binding heterocyclic compound binding small molecule binding	folic acid-containing compound metabolic process cellular metabolic process tetrahydrofolate interconversion metabolic process cellular process small molecule metabolic process tetrahydrofolate metabolic process pteridine-containing compound metabolic process cellular modified amino acid metabolic process one-carbon metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol membrane-bounded organelle intracellular organelle mitochondrion organelle intracellular membrane-bounded organelle kinetoplast

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR020630	Tetrahydrofolate dehydrogenase/cyclohydrolase, catalytic domain	Domain
A, B	IPR036291	NAD(P)-binding domain superfamily	Homologous Superfamily
A, B	IPR046346	Aminoacid dehydrogenase-like, N-terminal domain superfamily	Homologous Superfamily
A, B	IPR020631	Tetrahydrofolate dehydrogenase/cyclohydrolase, NAD(P)-binding domain	Domain
A, B	IPR000672	Tetrahydrofolate dehydrogenase/cyclohydrolase	Family

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.