Annotations: 3UK1

Crystal structure of a transketolase from Burkholderia thailandensis with an oxidized cysteinesulfonic acid in the active site

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
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	PK_Tyr_Ser-Thr	e3uk1B1	A: alpha arrays	X: Alpha-beta plaits	H: Phage tail protein-like	T: Transmembrane protein 14A	F: PK_Tyr_Ser-Thr	ECOD (v295.2)
A	LMWPc	e3uk1A1	A: alpha arrays	X: OB-fold	H: Bet v1-like	T: Bet v1-like	F: LMWPc	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.40.50.970	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains	CATH (4.3.0)
B	3.40.50.920	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)
A	3.40.50.970	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains	CATH (4.3.0)
A	3.40.50.920	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold		CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Transketolase	transketolase activity transketolase or transaldolase activity transferase activity catalytic activity	carbohydrate derivative metabolic process glyceraldehyde-3-phosphate metabolic process glucose 6-phosphate metabolic process nucleobase-containing compound metabolic process purine nucleotide metabolic process nucleobase-containing small molecule metabolic process pentose-phosphate shunt pyridine-containing compound metabolic process small molecule metabolic process phosphorus metabolic process nucleoside phosphate metabolic process nicotinamide nucleotide metabolic process primary metabolic process generation of precursor metabolites and energy carbohydrate derivative metabolic process glyceraldehyde-3-phosphate metabolic process glucose 6-phosphate metabolic process nucleobase-containing compound metabolic process purine nucleotide metabolic process nucleobase-containing small molecule metabolic process pentose-phosphate shunt pyridine-containing compound metabolic process small molecule metabolic process phosphorus metabolic process nucleoside phosphate metabolic process nicotinamide nucleotide metabolic process primary metabolic process generation of precursor metabolites and energy nucleotide metabolic process NADP+ metabolic process aldehyde metabolic process purine-containing compound metabolic process NADPH regeneration organophosphate metabolic process metabolic process cellular process pentose-phosphate shunt, non-oxidative branch	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR005478	Transketolase, bacterial-like	Family
A, B	IPR033247	Transketolase family	Family
A, B	IPR005474	Transketolase, N-terminal	Domain
A, B	IPR005475	Transketolase-like, pyrimidine-binding domain	Domain
A, B	IPR029061	Thiamin diphosphate-binding fold	Homologous Superfamily
A, B	IPR009014	Transketolase C-terminal/Pyruvate-ferredoxin oxidoreductase domain II	Homologous Superfamily
A, B	IPR049557	Transketolase conserved site	Conserved Site
A, B	IPR055152	Transketolase-like, C-terminal domain	Domain

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A, B	OCS	Parent Component: CYS : AA0556 : L-cysteic acid (L-cysteine sulfonic acid) MOD:00460

RCSB PDB is hosted by

RCSB PDB is a member of

RCSB Partners
Nucleic Acid Knowledgebase

CoreTrustSeal

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.