Structure of PDB 7x8i Chain A

Receptor sequence

>7x8iA (length=380) Species: 3702 (Arabidopsis thaliana)

KNPKSDKFKVKRFHHIEFWCGDATNVARRFSWGLGMRFSAKSDLSTGNMV
HASYLLTSGDLRFLFTAPYSPSLSAGEIKPTTTASIPSFDHGSCRSFFSS
HGLGVRAVAIEVEDAESAFSISVANGAIPSSPPIVLNEAVTIAEVKLYGD
VVLRYVSYKAEFLPGFERVEDASSFPLDYGIRRLDHAVGNVPELGPALTY
VAGFTGFHQFAEFSGLNSAVLASNDEMVLLPINEPVHGTKRKSQIQTYLE
HNEGAGLQHLALMSEDIFRTLREMRKRSSIGGFDFMPSPPPTYYQNLKKR
VGDVLSDDQIKECEELGILVDRDDQGTLLQIFTKPLGDRPTIFIEIIQRV
GCMMYQSGGCGGFGKGNFSELFKSIEEYEK

3D structure

• PDB: 7x8i Discovery of Subnanomolar Inhibitors of 4-Hydroxyphenylpyruvate Dioxygenase via Structure-Based Rational Design.
• Chain: A
• Resolution: 2.096 Å

Enzymatic activity

• Enzyme Commision number: 1.13.11.27: 4-hydroxyphenylpyruvate dioxygenase.

Interaction with ligand

Site #	Ligand	Ligand chain	Binding residues on receptor (original residue number in PDB)	Binding residues on receptor (residue number reindexed from 1)	Binding affinity
BS01	CO	A	H226 H308 E394	H186 H259 E345
BS02	FNO	A	L265 Q293 H308 F381 F392 F419 F424	L216 Q244 H259 F332 F343 F363 F368

Gene Ontology

Molecular Function

• GO:0003868 4-hydroxyphenylpyruvate dioxygenase activity
• GO:0005506 iron ion binding
• GO:0016701 oxidoreductase activity, acting on single donors with incorporation of molecular oxygen
• GO:0042802 identical protein binding
• GO:0046872 metal ion binding
• GO:0051213 dioxygenase activity

Biological Process

• GO:0006559 L-phenylalanine catabolic process
• GO:0006572 tyrosine catabolic process
• GO:0009072 aromatic amino acid metabolic process

Cellular Component

• GO:0005737 cytoplasm

External links

• PDB: RCSB:7x8i, PDBe:7x8i, PDBj:7x8i
• PDBsum: 7x8i
• PubMed: 36599124
• UniProt: P93836|HPPD_ARATH 4-hydroxyphenylpyruvate dioxygenase (Gene Name=HPD)