Structure of PDB 8how Chain A

Receptor sequence

>8howA (length=381) Species: 3702 (Arabidopsis thaliana)

KNPKSDKFKVKRFHHIEFWCGDATNVARRFSWGLGMRFSAKSDLSTGNMV
HASYLLTSGDLRFLFTAPYSPSLSAGEIKPTTTASIPSFDHGSCRSFFSS
HGLGVRAVAIEVEDAESAFSISVANGAIPSSPPIVLNEAVTIAEVKLYGD
VVLRYVSYKAEFLPGFERVEDASSFPLDYGIRRLDHAVGNVPELGPALTY
VAGFTGFHQFAEFESGLNSAVLASNDEMVLLPINEPVHGTKRKSQIQTYL
EHNEGAGLQHLALMSEDIFRTLREMRKRSSIGGFDFMPSPPPTYYQNLKK
RVGDVLSDDQIKECEELGILVDRDDQGTLLQIFTKPLGDRPTIFIEIIQR
VGCMMYQSGGCGGFGKGNFSELFKSIEEYEK

3D structure

• PDB: 8how Discovery of Subnanomolar Inhibitors of 4-Hydroxyphenylpyruvate Dioxygenase via Structure-Based Rational Design.
• Chain: A
• Resolution: 1.79 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 H260 E346
BS02	9YI	A	H226 S267 Q293 H308 F381 E394 F419 F424	H186 S219 Q245 H260 F333 E346 F364 F369

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:8how, PDBe:8how, PDBj:8how
• PDBsum: 8how
• PubMed: 36599124
• UniProt: P93836|HPPD_ARATH 4-hydroxyphenylpyruvate dioxygenase (Gene Name=HPD)