Annotations: 3AHG

H64A mutant of Phosphoketolase from Bifidobacterium Breve complexed with a tricyclic ring form of thiamine diphosphate

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Thiamin diphosphate-binding fold (THDP-binding)	8052432	3001790	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Thiamin diphosphate-binding fold (THDP-binding)	8052433	3001790	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	TK C-terminal domain-like	8052431	3000424	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	Sec1	e3ahgA1	A: beta barrels	X: Rubredoxin-like	H: Ferritin/Heme oxygenase	T: Heme oxygenase/Ribonucleotide reductase	F: Sec1	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
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	Xylulose 5-phosphate/fructose 6-phosphate phosphoketolase	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding lyase activity catalytic activity carbon-carbon lyase activity aldehyde-lyase activity	carbohydrate metabolic process primary metabolic process metabolic process cellular process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR019789	Xylulose 5-phosphate/Fructose 6-phosphate phosphoketolase, thiamine diphosphate binding site	Binding Site
A	IPR019790	Xylulose 5-phosphate/Fructose 6-phosphate phosphoketolase, conserved site	Conserved Site
A	IPR023962	Probable phosphoketolase	Family
A	IPR018969	Xylulose 5-phosphate/Fructose 6-phosphate phosphoketolase, C-terminal	Domain
A	IPR005593	Xylulose 5-phosphate/Fructose 6-phosphate phosphoketolase	Family
A	IPR029061	Thiamin diphosphate-binding fold	Homologous Superfamily
A	IPR009014	Transketolase C-terminal/Pyruvate-ferredoxin oxidoreductase domain II	Homologous Superfamily
A	IPR018970	Xylulose 5-phosphate/Fructose 6-phosphate phosphoketolase, N-terminal	Domain

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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.