Annotations: 7QEI

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	e7qeiA2	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	e7qeiA1	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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF02882	Tetrahydrofolate dehydrogenase/cyclohydrolase, NAD(P)-binding domain (THF_DHG_CYH_C)	Tetrahydrofolate dehydrogenase/cyclohydrolase, NAD(P)-binding domain	-	Domain
A	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	Probable bifunctional methylenetetrahydrofolate dehydrogenase/cyclohydrolase 2	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 methylenetetrahydrofolate dehydrogenase (NAD+) activity	nucleoside phosphate metabolic process cellular metabolic process nucleotide biosynthetic process primary metabolic process nucleotide metabolic process nucleobase-containing compound biosynthetic process purine-containing compound metabolic process nucleobase-containing compound metabolic process purine nucleotide metabolic process biosynthetic process organophosphate metabolic process nucleobase-containing small molecule metabolic process organophosphate biosynthetic process purine-containing compound biosynthetic process phosphate-containing compound metabolic process nucleoside phosphate metabolic process cellular metabolic process nucleotide biosynthetic process primary metabolic process nucleotide metabolic process nucleobase-containing compound biosynthetic process purine-containing compound metabolic process nucleobase-containing compound metabolic process purine nucleotide metabolic process biosynthetic process organophosphate metabolic process nucleobase-containing small molecule metabolic process organophosphate biosynthetic process purine-containing compound biosynthetic process phosphate-containing compound metabolic process nucleoside phosphate biosynthetic process metabolic process cellular process small molecule metabolic process phosphorus metabolic process purine nucleotide biosynthetic process oxoacid metabolic process cellular biosynthetic process sulfur amino acid metabolic process aspartate family amino acid 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 sulfur compound metabolic process methionine biosynthetic process small molecule biosynthetic process carboxylic acid metabolic process L-amino acid biosynthetic process methionine metabolic process L-amino acid metabolic process proteinogenic amino acid metabolic process amino acid biosynthetic process sulfur compound biosynthetic process proteinogenic amino acid biosynthetic process sulfur amino acid biosynthetic process alpha-amino acid biosynthetic process dicarboxylic acid metabolic process vitamin metabolic process cellular modified amino acid metabolic process folic acid-containing compound metabolic process amide metabolic process water-soluble vitamin metabolic process pteridine-containing compound metabolic process folic acid metabolic process tetrahydrofolate interconversion tetrahydrofolate metabolic process one-carbon metabolic process imidazole-containing compound metabolic process aromatic amino acid family biosynthetic process aromatic amino acid metabolic process L-histidine metabolic process L-histidine biosynthetic process	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle mitochondrial membrane organelle inner membrane membrane mitochondrial inner membrane organelle envelope mitochondrial envelope membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle mitochondrial membrane organelle inner membrane membrane mitochondrial inner membrane organelle envelope mitochondrial envelope organelle membrane membrane-enclosed lumen mitochondrial matrix intracellular organelle lumen organelle lumen

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR046346	Aminoacid dehydrogenase-like, N-terminal domain superfamily	Homologous Superfamily
A	IPR020631	Tetrahydrofolate dehydrogenase/cyclohydrolase, NAD(P)-binding domain	Domain
A	IPR020630	Tetrahydrofolate dehydrogenase/cyclohydrolase, catalytic domain	Domain
A	IPR036291	NAD(P)-binding domain superfamily	Homologous Superfamily
A	IPR020867	Tetrahydrofolate dehydrogenase/cyclohydrolase, conserved site	Conserved Site
A	IPR000672	Tetrahydrofolate dehydrogenase/cyclohydrolase	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q9H903	astrocytic tumor exocrine pancreatic carcinoma large cell medulloblastoma malignant pancreatic neoplasm ovarian cancer psoriasis atypical teratoid rhabdoid tumor glioblastoma malignant ependymoma medulloblastoma pancreatic ductal adenocarcinoma tuberculosis breast cancer invasive ductal breast carcinoma malignant glioma astrocytic tumor exocrine pancreatic carcinoma large cell medulloblastoma malignant pancreatic neoplasm ovarian cancer psoriasis atypical teratoid rhabdoid tumor glioblastoma malignant ependymoma medulloblastoma pancreatic ductal adenocarcinoma tuberculosis breast cancer invasive ductal breast carcinoma malignant glioma osteosarcoma pancreatic intraductal papillary-mucinous neoplasm

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A	CSO	Parent Component: CYS RESID: AA0205 PSI-MOD : L-cysteine sulfenic acid MOD:00210

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.