Annotations: 10ZB

Room-temperature X-ray structure of E53Q mutant of Thermus thermophilus serine hydroxymethyltransferase (TthSHMT) in complex with PLP-L-Ser external aldimine and tetrahydrofolate (THF)

External Resource: Annotation

Domain Annotation: ECOD Classification
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Protein Modification Annotation

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	ClpB_D2-small	e10zbB1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: ClpB_D2-small	ECOD (v295.2)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Serine hydroxymethyltransferase	vitamin binding vitamin B6 binding pyridoxal phosphate binding ion binding binding anion binding heterocyclic compound binding small molecule binding transferase activity, transferring one-carbon groups glycine hydroxymethyltransferase activity transferase activity hydroxymethyl-, formyl- and related transferase activity catalytic activity	folic acid-containing compound biosynthetic process modified amino acid biosynthetic process modified amino acid metabolic process biosynthetic process folic acid-containing compound metabolic process tetrahydrofolate interconversion pteridine-containing compound biosynthetic process metabolic process cellular process small molecule metabolic process tetrahydrofolate biosynthetic process pteridine-containing compound metabolic process tetrahydrofolate metabolic process one-carbon metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol
B	Serine hydroxymethyltransferase	vitamin binding vitamin B6 binding pyridoxal phosphate binding ion binding binding anion binding heterocyclic compound binding small molecule binding transferase activity, transferring one-carbon groups glycine hydroxymethyltransferase activity transferase activity hydroxymethyl-, formyl- and related transferase activity catalytic activity	folic acid-containing compound biosynthetic process modified amino acid biosynthetic process modified amino acid metabolic process biosynthetic process folic acid-containing compound metabolic process tetrahydrofolate interconversion pteridine-containing compound biosynthetic process metabolic process cellular process small molecule metabolic process tetrahydrofolate biosynthetic process pteridine-containing compound metabolic process tetrahydrofolate metabolic process one-carbon metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR015424	Pyridoxal phosphate-dependent transferase	Homologous Superfamily
A	IPR015421	Pyridoxal phosphate-dependent transferase, major domain	Homologous Superfamily
A	IPR015422	Pyridoxal phosphate-dependent transferase, small domain	Homologous Superfamily
A	IPR039429	Serine hydroxymethyltransferase-like domain	Domain
A	IPR001085	Serine hydroxymethyltransferase	Family
A	IPR049943	Serine hydroxymethyltransferase-like	Family
A	IPR019798	Serine hydroxymethyltransferase, pyridoxal phosphate binding site	Binding Site
B	IPR015424	Pyridoxal phosphate-dependent transferase	Homologous Superfamily
B	IPR015421	Pyridoxal phosphate-dependent transferase, major domain	Homologous Superfamily
B	IPR015422	Pyridoxal phosphate-dependent transferase, small domain	Homologous Superfamily
B	IPR039429	Serine hydroxymethyltransferase-like domain	Domain
B	IPR001085	Serine hydroxymethyltransferase	Family
B	IPR049943	Serine hydroxymethyltransferase-like	Family
B	IPR019798	Serine hydroxymethyltransferase, pyridoxal phosphate binding site	Binding Site

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A	LLP	Parent Component: LYS : AA0119 : N6-pyridoxal phosphate-L-lysine MOD:00128

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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.