Annotations: 6S4A

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	WD40	e6s4aB1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: WD40	ECOD (develop294)
A	WD40	e6s4aA1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: WD40	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

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

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	Bifunctional methylenetetrahydrofolate dehydrogenase/cyclohydrolase, mitochondrial	cation binding magnesium ion binding ion binding binding metal ion binding small molecule 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 cation binding magnesium ion binding ion binding binding metal ion binding small molecule 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+) activity anion binding phosphate ion binding	folic acid-containing compound metabolic process modified amino acid metabolic process metabolic process cellular process tetrahydrofolate metabolic process pteridine-containing compound metabolic process monocarboxylic acid biosynthetic process small molecule biosynthetic process oxoacid metabolic process carboxylic acid metabolic process organic acid biosynthetic process organic acid metabolic process carboxylic acid biosynthetic process formate biosynthetic process folic acid-containing compound metabolic process modified amino acid metabolic process metabolic process cellular process tetrahydrofolate metabolic process pteridine-containing compound metabolic process monocarboxylic acid biosynthetic process small molecule biosynthetic process oxoacid metabolic process carboxylic acid metabolic process organic acid biosynthetic process organic acid metabolic process carboxylic acid biosynthetic process formate biosynthetic process biosynthetic process small molecule metabolic process monocarboxylic acid metabolic process formate metabolic process dicarboxylic acid metabolic process folic acid metabolic process tetrahydrofolate interconversion one-carbon metabolic process	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle extracellular region extracellular space membrane-enclosed lumen mitochondrial matrix intracellular organelle lumen organelle lumen

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
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	IPR020630	Tetrahydrofolate dehydrogenase/cyclohydrolase, catalytic domain	Domain
A, B	IPR036291	NAD(P)-binding domain superfamily	Homologous Superfamily
A, B	IPR020867	Tetrahydrofolate dehydrogenase/cyclohydrolase, conserved site	Conserved Site
A, B	IPR000672	Tetrahydrofolate dehydrogenase/cyclohydrolase	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: P13995	Hodgkins lymphoma Hodgkin's granuloma ulcerative colitis Hodgkin's lymphoma, lymphocytic-histiocytic predominance invasive ductal breast carcinoma lung adenocarcinoma adrenal cortex carcinoma malignant colon neoplasm astrocytic tumor malignant pancreatic neoplasm breast cancer myopathy non-small cell lung carcinoma dermatomyositis ovarian cancer Hodgkins lymphoma Hodgkin's granuloma ulcerative colitis Hodgkin's lymphoma, lymphocytic-histiocytic predominance invasive ductal breast carcinoma lung adenocarcinoma adrenal cortex carcinoma malignant colon neoplasm astrocytic tumor malignant pancreatic neoplasm breast cancer myopathy non-small cell lung carcinoma dermatomyositis ovarian cancer Emery-Dreifuss muscular dystrophy pituitary cancer head and neck cancer psoriasis Hodgkin's lymphoma, mixed cellularity Huntington disease juvenile dermatomyositis lung cancer malignant glioma attention deficit hyperactivity disorder, inattentive type medulloblastoma nasopharyngeal carcinoma breast carcinoma oligodendroglioma diabetes mellitus pancreatic ductal adenocarcinoma esophageal adenocarcinoma polycystic ovary syndrome sarcoidosis Hodgkin's lymphoma, lymphocytic depletion interstitial cystitis large cell medulloblastoma amyotrophic lateral sclerosis malignant mesothelioma atypical teratoid rhabdoid tumor nodular lymphocyte predominant Hodgkin lymphoma Crohn disease osteosarcoma ductal breast carcinoma in situ pilocytic astrocytoma glioblastoma primitive neuroectodermal tumor

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.