Structure of PDB 3w2k Chain B

Receptor sequence
>3w2kB (length=313) Species: 353153 (Trypanosoma cruzi strain CL Brener) [Search protein sequence]
MCLKLNLLDHVFANPFMNAAGVLCSTEEDLRCMTASSSGALVSKSCTSAP
RDGNPEPRYMAFPLGSINSMGLPNLGFDFYLKYASDLHDYSKKPLFLSIS
GLSVEENVAMVRRLAPVAQEKGVLLELNLSCPNVPGKPQVAYDFEAMRTY
LQQVSLAYGLPFGVKMPPYFDIAHFDTAAAVLNEFPLVKFVTCVNSVGNG
LVIDAESESVVIKPKQGFGGLGGKYILPTALANVNAFYRRCPDKLVFGCG
GVYSGEDAFLHILAGASMVQVGTALQEEGPGIFTRLEDELLEIMARKGYR
TLEEFRGRVKTIE
3D structure
PDB3w2k Structure of Trypanosoma cruzi dihydroorotate dehydrogenase in complex with MII-3-165
ChainB
Resolution1.54 Å
3D
structure
Catalytic site residues are labeled in the structure
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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).
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 KRO B N67 M69 G70 L71 S129 N194 S195 N68 M70 G71 L72 S130 N195 S196
BS02 FMN B A18 A19 G20 K43 S44 Y58 N67 M69 N127 K164 V193 N194 G221 G222 I225 C248 G249 G250 G271 T272 A19 A20 G21 K44 S45 Y59 N68 M70 N128 K165 V194 N195 G222 G223 I226 C249 G250 G251 G272 T273
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

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Cellular Component
External links
PDB RCSB:3w2k, PDBe:3w2k, PDBj:3w2k
PDBsum3w2k
PubMed
UniProtQ4D3W2|PYRD_TRYCC Dihydroorotate dehydrogenase (fumarate) (Gene Name=pyr4)

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