Structure of PDB 3o8a Chain A

Receptor sequence
>3o8aA (length=375) Species: 36329 (Plasmodium falciparum 3D7) [Search protein sequence]
YNPEFFLYDIFLKFCLKYIDGEICHDLFLLLGKYNILPYDTSNDSIYACT
NIKHLDFINPFGVAAGFDKNGVCIDSILKLGFSFIEIGTITPRGQTGNAK
PRIFRDVESRSIINSCGFNNMGCDKVTENLILFRKRQEEDKLLSKHIVGV
SIGKNKDTVNIVDDLKYCINKIGRYADYIAINVSSPNTPGLRDNQEAGKL
KNIILSVKEEIDNLEKNNIMNDEFLWFNTTKKKPLVFVKLAPDLNQEQKK
EIADVLLETNIDGMIISNTTTQINDIKSFENKKGGVSGAKLKDISTKFIC
EMYNYTNKQIPIIASGGIFSGLDALEKIEAGASVCQLYSCLVFNGMKSAV
QIKRELNHLLYQRGYYNLKEAIGRK
3D structure
PDB3o8a Novel inhibitors of Plasmodium falciparum dihydroorotate dehydrogenase with anti-malarial activity in the mouse model.
ChainA
Resolution2.3 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) G248 N274 F278 S345 N347 T348 K429 N458
Catalytic site (residue number reindexed from 1) G88 N114 F118 S185 N187 T188 K239 N268
Enzyme Commision number 1.3.5.2: dihydroorotate dehydrogenase (quinone).
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 O8A A Y168 F171 L172 C175 H185 L187 F188 I263 R265 V532 Y8 F11 L12 C15 H25 L27 F28 I103 R105 V342 MOAD: ic50=0.022uM
BS02 FMN A A225 G226 K229 T249 N274 N342 K429 S477 G478 S505 G506 G507 Y528 S529 A65 G66 K69 T89 N114 N182 K239 S287 G288 S315 G316 G317 Y338 S339
Gene Ontology
Molecular Function
GO:0004152 dihydroorotate dehydrogenase activity
GO:0016627 oxidoreductase activity, acting on the CH-CH group of donors
Biological Process
GO:0006207 'de novo' pyrimidine nucleobase biosynthetic process
Cellular Component
GO:0005737 cytoplasm
GO:0016020 membrane

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Molecular Function
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Cellular Component
External links
PDB RCSB:3o8a, PDBe:3o8a, PDBj:3o8a
PDBsum3o8a
PubMed20702404
UniProtQ08210|PYRD_PLAF7 Dihydroorotate dehydrogenase (quinone), mitochondrial (Gene Name=PFF0160c)

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