1SQI | pdb_00001sqi

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-e 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	8039691	3000739	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	8039693	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		e1sqiA3	A: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	X: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	H: Glyoxalase/Bleomycin resistance protein/Dihydroxybiphenyl dioxygenase	T: Glyoxalase	F:	ECOD (20:10:01)
A		e1sqiA2	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: DUF3197	F:	ECOD (20:10:01)
A		e1sqiA7	A: Subtilisin-like	X: Subtilisin-like	H: Subtilisin-like	T: V-set	F:	ECOD (20:10:01)
B		e1sqiB5	A: Fusion glycoprotein F2	X: Fusion glycoprotein F2	H: Fusion glycoprotein F2	T: Trypsin_2	F:	ECOD (20:10:01)

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 carboxylic acid catabolic process small molecule metabolic process amino acid catabolic process L-phenylalanine catabolic process aromatic amino acid metabolic process L-amino acid catabolic process carboxylic 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 carboxylic acid catabolic process small molecule metabolic process amino acid catabolic process L-phenylalanine catabolic process aromatic amino acid metabolic process L-amino acid catabolic process carboxylic acid metabolic process primary metabolic process L-amino acid metabolic process L-phenylalanine metabolic process proteinogenic amino acid metabolic process alpha-amino acid catabolic process proteinogenic amino acid catabolic process metabolic process cellular process small molecule catabolic process L-tyrosine catabolic process tyrosine metabolic process	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure Golgi apparatus organelle cytoplasm intracellular membrane-bounded organelle endomembrane system Golgi membrane membrane bounding membrane of organelle organelle membrane endoplasmic reticulum membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure Golgi apparatus organelle cytoplasm 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	IPR005956	4-hydroxyphenylpyruvate dioxygenase	Family
A, B	IPR041736	4-hydroxyphenylpyruvate dioxygenase, N-terminal	Domain
A, B	IPR037523	Vicinal oxygen chelate (VOC), core domain	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 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.