Annotations: 3NGL

Crystal structure of bifunctional 5,10-methylenetetrahydrofolate dehydrogenase / cyclohydrolase from Thermoplasma acidophilum

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)
B [auth C]	d3nglc2	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	automated matches	automated matches	(Thermoplasma acidophilum ) [TaxId: 2303 ],	SCOPe (2.08)
B [auth C]	d3nglc1	Alpha and beta proteins (a/b)	Aminoacid dehydrogenase-like, N-terminal domain	Aminoacid dehydrogenase-like, N-terminal domain	automated matches	automated matches	(Thermoplasma acidophilum ) [TaxId: 2303 ],	SCOPe (2.08)
A	d3ngla2	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	automated matches	automated matches	(Thermoplasma acidophilum ) [TaxId: 2303 ],	SCOPe (2.08)
A	d3ngla1	Alpha and beta proteins (a/b)	Aminoacid dehydrogenase-like, N-terminal domain	Aminoacid dehydrogenase-like, N-terminal domain	automated matches	automated matches	(Thermoplasma acidophilum ) [TaxId: 2303 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B [auth C]	adh_short_C2	e3nglC1	A: alpha arrays	X: Alpha-beta plaits	H: Phage tail protein-like	T: Transmembrane protein 14A	F: adh_short_C2	ECOD (v295.2)
A	Fer2	e3nglA1	A: alpha arrays	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: Fer2	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

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

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B [auth C]	PF02882	Tetrahydrofolate dehydrogenase/cyclohydrolase, NAD(P)-binding domain (THF_DHG_CYH_C)	Tetrahydrofolate dehydrogenase/cyclohydrolase, NAD(P)-binding domain		Domain
A, B [auth C]	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 [auth C]	Bifunctional protein folD	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	folic acid-containing compound biosynthetic process modified amino acid biosynthetic process modified amino acid metabolic process biosynthetic process folic acid-containing compound metabolic process tetrahydrofolate interconversion pteridine-containing compound biosynthetic process metabolic process cellular process small molecule metabolic process tetrahydrofolate biosynthetic process pteridine-containing compound metabolic process tetrahydrofolate metabolic process one-carbon metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B [auth C]	IPR020630	Tetrahydrofolate dehydrogenase/cyclohydrolase, catalytic domain	Domain
A, B [auth C]	IPR036291	NAD(P)-binding domain superfamily	Homologous Superfamily
A, B [auth C]	IPR046346	Aminoacid dehydrogenase-like, N-terminal domain superfamily	Homologous Superfamily
A, B [auth C]	IPR020631	Tetrahydrofolate dehydrogenase/cyclohydrolase, NAD(P)-binding domain	Domain
A, B [auth C]	IPR020867	Tetrahydrofolate dehydrogenase/cyclohydrolase, conserved site	Conserved Site
A, B [auth C]	IPR000672	Tetrahydrofolate dehydrogenase/cyclohydrolase	Family
A, B [auth C]	IPR054993	Bifunctional methylenetetrahydrofolate dehydrogenase/methenyltetrahydrofolate cyclohydrolase FolD	Family