Structure of PDB 6lp8 Chain A

Receptor sequence
>6lp8A (length=365) Species: 9606 (Homo sapiens) [Search protein sequence]
ATGDERFYAEHLMPTLQGLLDPESAHRLAVRFTSLGLLPRARFQDSDMLE
VRVLGHKFRNPVGIAAGFDKHGEAVDGLYKMGFGFVEIGSVTPKPQEGNP
RPRVFRLPEDQAVINRYGFNSHGLSVVEHRLRARQQKQAKLTEDGLPLGV
NLGKNKTSVDAAEDYAEGVRVLGPLADYLVVNVSSPNTAGLRSLQGKAEL
RRLLTKVLQERDGLRRVHRPAVLVKIAPDLTSQDKEDIASVVKELGIDGL
IVTNTTVSRPAGLQGALRSETGGLSGKPLRDLSTQTIREMYALTQGRVPI
IGVGGVSSGQDALEKIRAGASLVQLYTALTFWGPPVVGKVKRELEALLKE
QGFGGVTDAIGADHR
3D structure
PDB6lp8 Bifunctional Naphtho[2,3- d ][1,2,3]triazole-4,9-dione Compounds Exhibit Antitumor Effects In Vitro and In Vivo by Inhibiting Dihydroorotate Dehydrogenase and Inducing Reactive Oxygen Species Production.
ChainA
Resolution1.79 Å
3D
structure
Catalytic site residues are labeled in the structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
Enzymatic activity
Catalytic site (original residue number in PDB) N145 F149 S215 N217 T218 K255 N284
Catalytic site (residue number reindexed from 1) N115 F119 S185 N187 T188 K225 N254
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 FMN A A96 G97 K100 S120 N145 N181 N212 K255 N284 T285 S305 G306 V333 G334 G335 Y356 T357 A66 G67 K70 S90 N115 N151 N182 K225 N254 T255 S275 G276 V303 G304 G305 Y326 T327
BS02 B6O A Y38 M43 L46 P52 A55 H56 A59 F62 L67 V134 R136 Y356 L359 T360 P364 Y8 M13 L16 P22 A25 H26 A29 F32 L37 V104 R106 Y326 L329 T330 P334 MOAD: ic50=0.5nM
BindingDB: IC50=0.500000nM
Gene Ontology
Molecular Function
GO:0004151 dihydroorotase activity
GO:0004152 dihydroorotate dehydrogenase activity
GO:0005515 protein binding
GO:0016491 oxidoreductase activity
GO:0016627 oxidoreductase activity, acting on the CH-CH group of donors
GO:0106430 dihydroorotate dehydrogenase (quinone) activity
Biological Process
GO:0006207 'de novo' pyrimidine nucleobase biosynthetic process
GO:0006221 pyrimidine nucleotide biosynthetic process
GO:0006225 UDP biosynthetic process
GO:0009220 pyrimidine ribonucleotide biosynthetic process
GO:0044205 'de novo' UMP biosynthetic process
Cellular Component
GO:0005654 nucleoplasm
GO:0005737 cytoplasm
GO:0005739 mitochondrion
GO:0005743 mitochondrial inner membrane
GO:0005829 cytosol
GO:0016020 membrane

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:6lp8, PDBe:6lp8, PDBj:6lp8
PDBsum6lp8
PubMed32496056
UniProtQ02127|PYRD_HUMAN Dihydroorotate dehydrogenase (quinone), mitochondrial (Gene Name=DHODH)

[Back to BioLiP]