Annotations: 1AN5

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1an5a_	Alpha and beta proteins (a+b)	Thymidylate synthase/dCMP hydroxymethylase	Thymidylate synthase/dCMP hydroxymethylase	Thymidylate synthase/dCMP hydroxymethylase	Thymidylate synthase	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d1an5b_	Alpha and beta proteins (a+b)	Thymidylate synthase/dCMP hydroxymethylase	Thymidylate synthase/dCMP hydroxymethylase	Thymidylate synthase/dCMP hydroxymethylase	Thymidylate synthase	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Thymidylate synthase/dCMP hydroxymethylase	8041736	3000544	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Thymidylate synthase/dCMP hydroxymethylase	8041736	3000544	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	Thymidylat_synt	e1an5A1	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	e1an5B1	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	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding transferase activity, transferring one-carbon groups transferase activity methyltransferase activity thymidylate synthase activity 5,10-methylenetetrahydrofolate-dependent methyltransferase activity catalytic activity identical protein binding protein binding cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding transferase activity, transferring one-carbon groups transferase activity methyltransferase activity thymidylate synthase activity 5,10-methylenetetrahydrofolate-dependent methyltransferase activity catalytic activity identical protein binding protein binding protein homodimerization activity protein dimerization activity RNA binding organic cyclic compound binding nucleic acid binding	pyrimidine deoxyribonucleotide metabolic process nucleotide biosynthetic process organonitrogen compound biosynthetic process carbohydrate derivative metabolic process pyrimidine nucleotide metabolic process nucleobase-containing compound metabolic process deoxyribonucleotide biosynthetic process pyrimidine deoxyribonucleotide biosynthetic process dTMP metabolic process phosphate-containing compound metabolic process organic substance biosynthetic process dTMP biosynthetic process small molecule metabolic process phosphorus metabolic process pyrimidine deoxyribonucleotide metabolic process nucleotide biosynthetic process organonitrogen compound biosynthetic process carbohydrate derivative metabolic process pyrimidine nucleotide metabolic process nucleobase-containing compound metabolic process deoxyribonucleotide biosynthetic process pyrimidine deoxyribonucleotide biosynthetic process dTMP metabolic process phosphate-containing compound metabolic process organic substance biosynthetic process dTMP biosynthetic process small molecule metabolic process phosphorus metabolic process nucleoside phosphate metabolic process pyrimidine-containing compound metabolic process cellular metabolic process 2'-deoxyribonucleotide biosynthetic process primary metabolic process nucleotide metabolic process deoxyribonucleoside monophosphate metabolic process organic cyclic compound metabolic process biosynthetic process organophosphate biosynthetic process organic cyclic compound biosynthetic process nucleoside phosphate biosynthetic process metabolic process pyrimidine nucleoside monophosphate biosynthetic process deoxyribose phosphate biosynthetic process pyrimidine deoxyribonucleoside monophosphate metabolic process organic substance metabolic process deoxyribonucleotide metabolic process nucleobase-containing small molecule metabolic process deoxyribonucleoside monophosphate biosynthetic process pyrimidine deoxyribonucleoside monophosphate biosynthetic process pyrimidine-containing compound biosynthetic process nucleoside monophosphate metabolic process carbohydrate derivative biosynthetic process pyrimidine nucleoside monophosphate metabolic process organonitrogen compound metabolic process 2'-deoxyribonucleotide metabolic process deoxyribose phosphate metabolic process nucleobase-containing compound biosynthetic process nucleoside monophosphate biosynthetic process organophosphate metabolic process cellular process pyrimidine nucleotide biosynthetic process methylation response to stimulus response to radiation response to abiotic stimulus regulation of cellular process cellular biosynthetic process regulation of primary metabolic process post-transcriptional regulation of gene expression protein metabolic process regulation of biosynthetic process regulation of biological process regulation of protein metabolic process biological regulation regulation of cellular metabolic process regulation of macromolecule metabolic process gene expression translation macromolecule biosynthetic process regulation of cellular biosynthetic process regulation of gene expression regulation of translation regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of metabolic process 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	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol

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	IPR045097	Thymidylate synthase/dCMP hydroxymethylase	Family
A, B	IPR020940	Thymidylate synthase, active site	Active Site
A, B	IPR023451	Thymidylate synthase/dCMP hydroxymethylase domain	Domain

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A, B	FMT	RESID: AA0114 PSI-MOD : N6-carboxy-L-lysine MOD:00123

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.