1K4I

Crystal Structure of 3,4-dihydroxy-2-butanone 4-phosphate synthase in complex with two Magnesium ions

External Resource: Annotation

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

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1k4ia_	Alpha and beta proteins (a+b)	YrdC/RibB	YrdC/RibB	3,4-dihydroxy-2-butanone 4-phosphate synthase, DHBP synthase, RibB	3,4-dihydroxy-2-butanone 4-phosphate synthase, DHBP synthase, RibB	(Pyricularia grisea ) [TaxId: 148305 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	RibB-like	8027665	4000387	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	YrdC/RibB-like	8040044	3000166	SCOP2 (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	DHBP_synthase	e1k4iA1	A: a+b complex topology	X: YrdC/RibB (From Topology)	H: YrdC/RibB (From Topology)	T: YrdC/RibB	F: DHBP_synthase	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.90.870.10	Alpha Beta	Alpha-Beta Complex	DHBP synthase	DHBP synthase	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00926	3,4-dihydroxy-2-butanone 4-phosphate synthase (DHBP_synthase)	3,4-dihydroxy-2-butanone 4-phosphate synthase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	3,4-Dihydroxy-2-Butanone 4-Phosphate Synthase	lyase activity catalytic activity 3,4-dihydroxy-2-butanone-4-phosphate synthase activity carbon-carbon lyase activity cation binding ion binding binding metal ion binding small molecule binding	cellular biosynthetic process flavin-containing compound metabolic process organonitrogen compound biosynthetic process vitamin biosynthetic process riboflavin biosynthetic process cellular nitrogen compound biosynthetic process organic substance metabolic process heterocycle metabolic process organic substance biosynthetic process nitrogen compound metabolic process small molecule metabolic process water-soluble vitamin metabolic process organonitrogen compound metabolic process water-soluble vitamin biosynthetic process cellular biosynthetic process flavin-containing compound metabolic process organonitrogen compound biosynthetic process vitamin biosynthetic process riboflavin biosynthetic process cellular nitrogen compound biosynthetic process organic substance metabolic process heterocycle metabolic process organic substance biosynthetic process nitrogen compound metabolic process small molecule metabolic process water-soluble vitamin metabolic process organonitrogen compound metabolic process water-soluble vitamin biosynthetic process small molecule biosynthetic process cellular metabolic process cellular nitrogen compound metabolic process heterocycle biosynthetic process vitamin metabolic process organic cyclic compound metabolic process flavin-containing compound biosynthetic process biosynthetic process organic cyclic compound biosynthetic process metabolic process cellular process riboflavin metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR017945	DHBP synthase RibB-like alpha/beta domain superfamily	Homologous Superfamily
A	IPR000422	3,4-dihydroxy-2-butanone 4-phosphate synthase, RibB	Family

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.