Annotations: 3IHI

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d3ihia_	Alpha and beta proteins (a+b)	Thymidylate synthase/dCMP hydroxymethylase	Thymidylate synthase/dCMP hydroxymethylase	Thymidylate synthase/dCMP hydroxymethylase	automated matches	mouse (Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
B	d3ihib_	Alpha and beta proteins (a+b)	Thymidylate synthase/dCMP hydroxymethylase	Thymidylate synthase/dCMP hydroxymethylase	Thymidylate synthase/dCMP hydroxymethylase	automated matches	mouse (Mus musculus ) [TaxId: 10090 ],	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	Thymidylat_synt	e3ihiA1	A: a+b two layers	X: Thymidylate synthase/dCMP hydroxymethylase (From Topology)	H: Thymidylate synthase/dCMP hydroxymethylase (From Topology)	T: Thymidylate synthase/dCMP hydroxymethylase	F: Thymidylat_synt	ECOD (1.6)
B	Thymidylat_synt	e3ihiB1	A: a+b two layers	X: Thymidylate synthase/dCMP hydroxymethylase (From Topology)	H: Thymidylate synthase/dCMP hydroxymethylase (From Topology)	T: Thymidylate synthase/dCMP hydroxymethylase	F: Thymidylat_synt	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.572.10	Alpha Beta	2-Layer Sandwich	Thymidylate Synthase	Chain A	CATH (4.3.0)
B	3.30.572.10	Alpha Beta	2-Layer Sandwich	Thymidylate Synthase	Chain A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00303	Thymidylate synthase (Thymidylat_synt)	Thymidylate synthase	This is a family of proteins that are flavin-dependent thymidylate synthases.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Thymidylate synthase	translation regulator activity binding mRNA regulatory element binding translation repressor activity organic cyclic compound binding translation regulator activity, nucleic acid binding nucleic acid binding translation repressor activity RNA binding sequence-specific mRNA binding mRNA binding transferase activity, transferring one-carbon groups transferase activity methyltransferase activity thymidylate synthase activity translation regulator activity binding mRNA regulatory element binding translation repressor activity organic cyclic compound binding translation regulator activity, nucleic acid binding nucleic acid binding translation repressor activity RNA binding sequence-specific mRNA binding mRNA binding transferase activity, transferring one-carbon groups transferase activity methyltransferase activity thymidylate synthase activity 5,10-methylenetetrahydrofolate-dependent methyltransferase activity catalytic activity heterocyclic compound binding small molecule binding identical protein binding protein binding protein homodimerization activity protein dimerization activity amide binding organic acid binding modified amino acid binding vitamin binding ion binding folic acid binding anion binding carboxylic acid binding	developmental process multicellular organism development multicellular organismal process skeletal system development connective tissue development anatomical structure development animal organ development tissue development cartilage development system development response to stimulus response to chemical response to xenobiotic stimulus rhythmic process developmental process multicellular organism development multicellular organismal process skeletal system development connective tissue development anatomical structure development animal organ development tissue development cartilage development system development response to stimulus response to chemical response to xenobiotic stimulus rhythmic process circadian rhythm pyrimidine deoxyribonucleotide metabolic process deoxyribose phosphate biosynthetic process nucleotide biosynthetic process carbohydrate derivative metabolic process pyrimidine nucleotide metabolic process pyrimidine deoxyribonucleoside monophosphate metabolic process nucleobase-containing compound metabolic process deoxyribonucleotide biosynthetic process deoxyribonucleotide metabolic process pyrimidine deoxyribonucleotide biosynthetic process nucleobase-containing small molecule metabolic process dTMP metabolic process phosphate-containing compound metabolic process deoxyribonucleoside monophosphate biosynthetic process dTMP biosynthetic process small molecule metabolic process pyrimidine deoxyribonucleoside monophosphate biosynthetic process pyrimidine-containing compound biosynthetic process nucleoside monophosphate metabolic process phosphorus metabolic process nucleoside phosphate metabolic process carbohydrate derivative biosynthetic process pyrimidine nucleoside monophosphate metabolic process pyrimidine-containing compound metabolic process 2'-deoxyribonucleotide metabolic process 2'-deoxyribonucleotide biosynthetic process primary metabolic process nucleotide metabolic process deoxyribose phosphate metabolic process nucleobase-containing compound biosynthetic process deoxyribonucleoside monophosphate metabolic process nucleoside monophosphate biosynthetic process biosynthetic process organophosphate metabolic process organophosphate biosynthetic process nucleoside phosphate biosynthetic process metabolic process cellular process pyrimidine nucleoside monophosphate biosynthetic process pyrimidine nucleotide biosynthetic process response to ketone response to lipid response to hormone response to steroid hormone response to endogenous stimulus response to progesterone response to oxygen-containing compound response to organic cyclic compound cellular developmental process cell development epithelial cell differentiation intestinal epithelial cell maturation columnar/cuboidal epithelial cell development cell differentiation cell maturation epithelium development digestive system development intestinal epithelial cell differentiation tube development intestinal epithelial cell development developmental maturation digestive tract development epithelial cell development anatomical structure maturation columnar/cuboidal epithelial cell differentiation epithelial cell maturation columnar/cuboidal epithelial cell maturation methylation pyrimidine nucleobase metabolic process uracil metabolic process nucleobase metabolic process regulation of biosynthetic process regulation of biological process regulation of cellular process regulation of protein metabolic process biological regulation regulation of macromolecule metabolic process gene expression translation macromolecule biosynthetic process regulation of primary metabolic process post-transcriptional regulation of gene expression regulation of gene expression regulation of translation regulation of macromolecule biosynthetic process macromolecule metabolic process protein metabolic process regulation of metabolic process folic acid-containing compound metabolic process tetrahydrofolate interconversion modified amino acid metabolic process tetrahydrofolate metabolic process pteridine-containing compound metabolic process one-carbon metabolic process response to nutrient levels response to nutrient response to vitamin A response to vitamin gland development animal organ regeneration liver development regeneration hepaticobiliary system development liver regeneration response to toxic substance developmental growth growth pyrimidine deoxyribonucleoside triphosphate biosynthetic process dTTP biosynthetic process pyrimidine deoxyribonucleoside triphosphate metabolic process pyrimidine nucleoside triphosphate biosynthetic process pyrimidine nucleoside triphosphate metabolic process dTTP metabolic process nucleoside triphosphate biosynthetic process nucleoside triphosphate metabolic process response to peptide response to cytokine response to corticosteroid response to glucocorticoid response to alcohol response to ethanol response to organophosphorus response to folic acid response to nitrogen compound	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle mitochondrial membrane organelle inner membrane membrane mitochondrial inner membrane organelle envelope mitochondrial envelope membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle mitochondrial membrane organelle inner membrane membrane mitochondrial inner membrane organelle envelope mitochondrial envelope organelle membrane cytosol membrane-enclosed lumen mitochondrial matrix intracellular organelle lumen organelle lumen nucleus

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036926	Thymidylate synthase/dCMP hydroxymethylase superfamily	Homologous Superfamily
A, B	IPR000398	Thymidylate synthase	Family
A, B	IPR020940	Thymidylate synthase, active site	Active Site
A, B	IPR023451	Thymidylate synthase/dCMP hydroxymethylase domain	Domain
A, B	IPR045097	Thymidylate synthase/dCMP hydroxymethylase	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.