Structure of PDB 4ef8 Chain B

Receptor sequence
>4ef8B (length=314) Species: 5664 (Leishmania major) [Search protein sequence]
GSMSLQVNLLNNTFANPFMNAAGVMCTTTEELVAMTESASGSLVSKSCTP
ALREGNPTPRYQALPLGSINSMGLPNNGFDFYLAYAAEQHDYGKKPLFLS
MSGLSMRENVEMCKRLAAVATEKGVILELNLSCPNVPGKPQVAYDFDAMR
QCLTAVSEVYPHSFGVKMPPYFDFAHFDAAAEILNEFPKVQFITCINSIG
NGLVIDAETESVVIKPKQGFGGLGGRYVLPTALANINAFYRRCPGKLIFG
CGGVYTGEDAFLHVLAGASMVQVGTALQEEGPSIFERLTSELLGVMAKKR
YQTLDEFRGKVRTL
3D structure
PDB4ef8 Target sites for the design of anti-trypanosomatid drugs based on the structure of dihydroorotate dehydrogenase.
ChainB
Resolution1.56 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) K44 N68 L72 C131 N133 V134 K165 I194
Catalytic site (residue number reindexed from 1) K46 N70 L74 C133 N135 V136 K167 I196
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 0FI B L102 S103 M104 N107 C131 V140 C150 L104 S105 M106 N109 C133 V142 C152
BS02 FMN B A19 A20 G21 K44 S45 Y59 N68 M70 N128 K165 I194 N195 G222 G223 C249 G250 G251 G272 T273 A21 A22 G23 K46 S47 Y61 N70 M72 N130 K167 I196 N197 G224 G225 C251 G252 G253 G274 T275
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
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:0006106 fumarate metabolic 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:0005654 nucleoplasm
GO:0005737 cytoplasm
GO:0097014 ciliary plasm

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:4ef8, PDBe:4ef8, PDBj:4ef8
PDBsum4ef8
PubMed23116399
UniProtQ4QEW7

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