1SQI

Structural basis for inhibitor selectivity revealed by crystal structures of plant and mammalian 4-hydroxyphenylpyruvate dioxygenases

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	d1sqia1	Alpha and beta proteins (a+b)	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	Extradiol dioxygenases	4-hydroxyphenylpyruvate dioxygenase, HppD	Norway rat (Rattus norvegicus ) [TaxId: 10116 ],	SCOPe (2.08)
B	d1sqib1	Alpha and beta proteins (a+b)	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	Extradiol dioxygenases	4-hydroxyphenylpyruvate dioxygenase, HppD	Norway rat (Rattus norvegicus ) [TaxId: 10116 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Extradiol dioxygenases	8027312	4001093	SCOP2 (2022-06-29)
A	SCOP2 Family	Extradiol dioxygenases	8027314	4001093	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	8039691	3000739	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	8039693	3000739	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	8039693	3000739	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	8039691	3000739	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	PLN02875	e1sqiA3	A: a+b two layers	X: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase (From Topology)	H: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase (From Topology)	T: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	F: PLN02875	ECOD (1.6)
A	Glyoxalase_10	e1sqiA7	A: a+b two layers	X: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase (From Topology)	H: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase (From Topology)	T: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	F: Glyoxalase_10	ECOD (1.6)
A	Glyoxalase_4_2	e1sqiA2	A: a+b two layers	X: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase (From Topology)	H: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase (From Topology)	T: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	F: Glyoxalase_4_2	ECOD (1.6)
B	PLN02875	e1sqiB6	A: a+b two layers	X: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase (From Topology)	H: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase (From Topology)	T: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	F: PLN02875	ECOD (1.6)
B	Glyoxalase_10	e1sqiB7	A: a+b two layers	X: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase (From Topology)	H: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase (From Topology)	T: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	F: Glyoxalase_10	ECOD (1.6)
B	Glyoxalase_4_2	e1sqiB8	A: a+b two layers	X: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase (From Topology)	H: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase (From Topology)	T: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	F: Glyoxalase_4_2	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.10.180.10	Alpha Beta	Roll	2,3-Dihydroxybiphenyl 1,2-Dioxygenase	domain 1	CATH (4.3.0)
B	3.10.180.10	Alpha Beta	Roll	2,3-Dihydroxybiphenyl 1,2-Dioxygenase	domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00903	Glyoxalase/Bleomycin resistance protein/Dioxygenase superfamily (Glyoxalase)	Glyoxalase/Bleomycin resistance protein/Dioxygenase superfamily	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	4-hydroxyphenylpyruvic acid dioxygenase	identical protein binding protein binding binding protein homodimerization activity protein dimerization activity cation binding transition metal ion binding iron ion binding ion binding metal ion binding small molecule binding oxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen oxidoreductase activity 4-hydroxyphenylpyruvate dioxygenase activity identical protein binding protein binding binding protein homodimerization activity protein dimerization activity cation binding transition metal ion binding iron ion binding ion binding metal ion binding small molecule binding oxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen oxidoreductase activity 4-hydroxyphenylpyruvate dioxygenase activity oxidoreductase activity, acting on single donors with incorporation of molecular oxygen catalytic activity dioxygenase activity	catabolic process oxoacid metabolic process aromatic amino acid family catabolic process amino acid metabolic process organic acid catabolic process organic acid metabolic process alpha-amino acid metabolic process cellular catabolic process organic substance metabolic process carboxylic acid catabolic process small molecule metabolic process amino acid catabolic process organonitrogen compound catabolic process erythrose 4-phosphate/phosphoenolpyruvate family amino acid metabolic process catabolic process oxoacid metabolic process aromatic amino acid family catabolic process amino acid metabolic process organic acid catabolic process organic acid metabolic process alpha-amino acid metabolic process cellular catabolic process organic substance metabolic process carboxylic acid catabolic process small molecule metabolic process amino acid catabolic process organonitrogen compound catabolic process erythrose 4-phosphate/phosphoenolpyruvate family amino acid metabolic process organonitrogen compound metabolic process L-phenylalanine catabolic process aromatic amino acid metabolic process cellular metabolic process carboxylic acid metabolic process L-amino acid catabolic process primary metabolic process organic cyclic compound catabolic process L-amino acid metabolic process L-phenylalanine metabolic process organic cyclic compound metabolic process proteinogenic amino acid metabolic process erythrose 4-phosphate/phosphoenolpyruvate family amino acid catabolic process alpha-amino acid catabolic process proteinogenic amino acid catabolic process metabolic process cellular process small molecule catabolic process organic substance catabolic process tyrosine metabolic process tyrosine catabolic process	membrane-bounded organelle intracellular organelle intracellular anatomical structure Golgi apparatus organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle endomembrane system Golgi membrane membrane bounding membrane of organelle organelle membrane endoplasmic reticulum membrane-bounded organelle intracellular organelle intracellular anatomical structure Golgi apparatus organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle endomembrane system Golgi membrane membrane bounding membrane of organelle organelle membrane endoplasmic reticulum organelle subcompartment endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR037523	Vicinal oxygen chelate (VOC) domain	Domain
A, B	IPR005956	4-hydroxyphenylpyruvate dioxygenase	Family
A, B	IPR041736	4-hydroxyphenylpyruvate dioxygenase, N-terminal	Domain
A, B	IPR029068	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	Homologous Superfamily
A, B	IPR004360	Glyoxalase/fosfomycin resistance/dioxygenase domain	Domain
A, B	IPR041735	4-hydroxyphenylpyruvate dioxygenase, C-terminal	Domain

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.