3APY

Properties and crystal structure of methylenetetrahydrofolate reductase from Thermus thermophilus HB8

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)
A	d3apya_	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	FAD-linked oxidoreductase	Methylenetetrahydrofolate reductase	automated matches	(Thermus thermophilus HB8 ) [TaxId: 300852 ],	SCOPe (2.08)
B	d3apyb_	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	FAD-linked oxidoreductase	Methylenetetrahydrofolate reductase	automated matches	(Thermus thermophilus HB8 ) [TaxId: 300852 ],	SCOPe (2.08)
C	d3apyc_	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	FAD-linked oxidoreductase	Methylenetetrahydrofolate reductase	automated matches	(Thermus thermophilus HB8 ) [TaxId: 300852 ],	SCOPe (2.08)
D	d3apyd_	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	FAD-linked oxidoreductase	Methylenetetrahydrofolate reductase	automated matches	(Thermus thermophilus HB8 ) [TaxId: 300852 ],	SCOPe (2.08)
E	d3apye_	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	FAD-linked oxidoreductase	Methylenetetrahydrofolate reductase	automated matches	(Thermus thermophilus HB8 ) [TaxId: 300852 ],	SCOPe (2.08)
F	d3apyf_	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	FAD-linked oxidoreductase	Methylenetetrahydrofolate reductase	automated matches	(Thermus thermophilus HB8 ) [TaxId: 300852 ],	SCOPe (2.08)
G	d3apyg_	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	FAD-linked oxidoreductase	Methylenetetrahydrofolate reductase	automated matches	(Thermus thermophilus HB8 ) [TaxId: 300852 ],	SCOPe (2.08)
H	d3apyh_	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	FAD-linked oxidoreductase	Methylenetetrahydrofolate reductase	automated matches	(Thermus thermophilus HB8 ) [TaxId: 300852 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Methylenetetrahydrofolate reductase	8076148	4003348	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	FAD-linked oxidoreductase	8076149	3000663	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	FAD-linked oxidoreductase	8076149	3000663	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	FAD-linked oxidoreductase	8076149	3000663	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	FAD-linked oxidoreductase	8076149	3000663	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	FAD-linked oxidoreductase	8076149	3000663	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	FAD-linked oxidoreductase	8076149	3000663	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	FAD-linked oxidoreductase	8076149	3000663	SCOP2B (2022-06-29)
H	SCOP2B Superfamily	FAD-linked oxidoreductase	8076149	3000663	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)
A	PF02219	e3apyA1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF02219	ECOD (1.6)
B	PF02219	e3apyB1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF02219	ECOD (1.6)
C	PF02219	e3apyC1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF02219	ECOD (1.6)
D	PF02219	e3apyD1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF02219	ECOD (1.6)
E	PF02219	e3apyE1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF02219	ECOD (1.6)
F	PF02219	e3apyF1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF02219	ECOD (1.6)
G	PF02219	e3apyG1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF02219	ECOD (1.6)
H	PF02219	e3apyH1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: PF02219	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.20.20.220	Alpha Beta	Alpha-Beta Barrel	TIM Barrel		CATH (4.3.0)
B	3.20.20.220	Alpha Beta	Alpha-Beta Barrel	TIM Barrel		CATH (4.3.0)
C	3.20.20.220	Alpha Beta	Alpha-Beta Barrel	TIM Barrel		CATH (4.3.0)
D	3.20.20.220	Alpha Beta	Alpha-Beta Barrel	TIM Barrel		CATH (4.3.0)
E	3.20.20.220	Alpha Beta	Alpha-Beta Barrel	TIM Barrel		CATH (4.3.0)
F	3.20.20.220	Alpha Beta	Alpha-Beta Barrel	TIM Barrel		CATH (4.3.0)
G	3.20.20.220	Alpha Beta	Alpha-Beta Barrel	TIM Barrel		CATH (4.3.0)
H	3.20.20.220	Alpha Beta	Alpha-Beta Barrel	TIM Barrel		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F, G, H	PF02219	Methylenetetrahydrofolate reductase (MTHFR)	Methylenetetrahydrofolate reductase	This family includes the 5,10-methylenetetrahydrofolate reductase EC:1.7.99.5 from bacteria and methylenetetrahydrofolate reductase EC: 1.5.1.20 from eukaryotes. The structure for this domain is known [1] to be a TIM barrel.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E A, B, C, D, E, F, G, H	Methylenetetrahydrofolate reductase	binding nucleoside phosphate binding organic cyclic compound binding nucleotide binding heterocyclic compound binding small molecule binding methylenetetrahydrofolate reductase (NADH) activity oxidoreductase activity methylenetetrahydrofolate reductase (NAD(P)H) 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 catalytic activity	organonitrogen compound metabolic process cellular metabolic process cellular modified amino acid metabolic process organic cyclic compound metabolic process organic substance metabolic process folic acid-containing compound metabolic process tetrahydrofolate interconversion metabolic process cellular process small molecule metabolic process tetrahydrofolate metabolic process pteridine-containing compound metabolic process one-carbon metabolic process oxoacid metabolic process organonitrogen compound metabolic process cellular metabolic process cellular modified amino acid metabolic process organic cyclic compound metabolic process organic substance metabolic process folic acid-containing compound metabolic process tetrahydrofolate interconversion metabolic process cellular process small molecule metabolic process tetrahydrofolate metabolic process pteridine-containing compound metabolic process one-carbon metabolic process oxoacid metabolic process cellular biosynthetic process sulfur amino acid metabolic process aspartate family amino acid biosynthetic process organonitrogen compound biosynthetic process aspartate family amino acid metabolic process amino acid metabolic process organic acid biosynthetic process organic acid metabolic process alpha-amino acid metabolic process carboxylic acid biosynthetic process organic substance biosynthetic process sulfur compound metabolic process methionine biosynthetic process small molecule biosynthetic process carboxylic acid metabolic process L-amino acid biosynthetic process primary metabolic process methionine metabolic process L-amino acid metabolic process proteinogenic amino acid metabolic process amino acid biosynthetic process sulfur compound biosynthetic process biosynthetic process proteinogenic amino acid biosynthetic process sulfur amino acid biosynthetic process alpha-amino acid biosynthetic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F, G, H	IPR003171	Methylenetetrahydrofolate reductase-like	Family
A, B, C, D, E A, B, C, D, E, F, G, H	IPR029041	FAD-linked oxidoreductase-like	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G, H	IPR004620	5,10-methylenetetrahydrofolate reductase	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 R01GM133198.