Structure of PDB 2e6d Chain A Binding Site BS02

Receptor Information
>2e6d Chain A (length=312) Species: 5693 (Trypanosoma cruzi) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MCLKLNLLDHVFANPFMNAAGVLCSTEEDLRCMTASSSGALVSKSCTSAP
RDGNPEPRYMAFPLGSINSMGLPNLGFDFYLKYASDLHDYSKKPLFLSIS
GLSVEENVAMVRRLAPVAQEKGVLLELNLSCPNVPGKPQVAYDFEAMRTY
LQQVSLAYGLPFGVKMPPYFDIAHFDTAAAVLNEFPLVKFVTCVNSVGNG
LVIDAESESVVIKPKQGFGGLGGKYILPTALANVNAFYRRCPDKLVFGCG
GVYSGEDAFLHILAGASMVQVGTALQEEGPGIFTRLEDELLEIMARKGYR
TLEEFRGRVKTI
Ligand information
Ligand IDFUM
InChIInChI=1S/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/b2-1+
InChIKeyVZCYOOQTPOCHFL-OWOJBTEDSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.6C(=CC(=O)O)C(=O)O
OpenEye OEToolkits 1.7.6C(=C/C(=O)O)\C(=O)O
CACTVS 3.370OC(=O)\C=C\C(O)=O
ACDLabs 12.01O=C(O)\C=C\C(=O)O
CACTVS 3.370OC(=O)C=CC(O)=O
FormulaC4 H4 O4
NameFUMARIC ACID
ChEMBLCHEMBL503160
DrugBankDB01677
ZINCZINC000003860193
PDB chain2e6d Chain A Residue 1352 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB2e6d Structures of Trypanosoma cruzi dihydroorotate dehydrogenase complexed with substrates and products: atomic resolution insights into mechanisms of dihydroorotate oxidation and fumarate reduction
Resolution1.94 Å
Binding residue
(original residue number in PDB)		M69 G70 L71 C130 P131 N132 N194
Binding residue
(residue number reindexed from 1)		M70 G71 L72 C131 P132 N133 N195
Annotation score5
Enzymatic activity
Catalytic site (original residue number in PDB) K43 N67 L71 C130 N132 V133 K164 V193
Catalytic site (residue number reindexed from 1) K44 N68 L72 C131 N133 V134 K165 V194
Enzyme Commision number 1.3.98.1: dihydroorotate oxidase (fumarate).
Gene Ontology
Molecular Function
GO:0004152 dihydroorotate dehydrogenase activity
GO:0016491 oxidoreductase activity
GO:0016627 oxidoreductase activity, acting on the CH-CH group of donors
GO:1990663 dihydroorotate dehydrogenase (fumarate) activity
Biological Process
GO:0006207 'de novo' pyrimidine nucleobase biosynthetic process
GO:0006221 pyrimidine nucleotide biosynthetic process
GO:0006222 UMP biosynthetic process
GO:0044205 'de novo' UMP biosynthetic process
Cellular Component
GO:0005737 cytoplasm

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:2e6d, PDBe:2e6d, PDBj:2e6d
PDBsum2e6d
PubMed18808149
UniProtQ4D3W2|PYRD_TRYCC Dihydroorotate dehydrogenase (fumarate) (Gene Name=pyr4)

[Back to BioLiP]