Structure of PDB 3h4v Chain G

Receptor sequence
>3h4vG (length=261) Species: 5664 (Leishmania major) [Search protein sequence]
VPVALVTGAAKRLGRSIAEGLHAEGYAVCLHYHRSAAEANALSATLNARR
PNSAITVQADLSNVATAPAPVTLFTRCAELVAACYTHWGRCDVLVNNASS
FYPTPLLRNDREAMETATADLFGSNAIAPYFLIKAFAHRVAGTPAKHRGT
NYSIINMVDAMTNQPLLGYTIYTMAKGALEGLTRSAALELAPLQIRVNGV
GPGLSVLVDDMEGHRSKVPLYQRDSSAAEVSDVVIFLCSSKAKYITGTCV
KVDGGYSLTRA
3D structure
PDB3h4v Discovery of potent pteridine reductase inhibitors to guide antiparasite drug development
ChainG
Resolution2.4 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) R17 D181 Y194
Catalytic site (residue number reindexed from 1) R12 D159 Y172
Enzyme Commision number 1.5.1.33: pteridine reductase.
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 NAP G R17 L18 Y37 H38 R39 S40 D65 L66 N109 S111 D142 M179 V180 D181 K198 S227 R12 L13 Y32 H33 R34 S35 D60 L61 N97 S99 D120 M157 V158 D159 K176 S205
BS02 DVP G S111 F113 L188 Y194 L226 S99 F101 L166 Y172 L204 MOAD: Ki=0.1uM
BindingDB: Ki=100nM
Gene Ontology
Molecular Function
GO:0004155 6,7-dihydropteridine reductase activity
GO:0016491 oxidoreductase activity
GO:0047040 pteridine reductase activity
Biological Process
GO:0006729 tetrahydrobiopterin biosynthetic process
GO:0031427 response to methotrexate
Cellular Component
GO:0005829 cytosol

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Biological Process
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Cellular Component
External links
PDB RCSB:3h4v, PDBe:3h4v, PDBj:3h4v
PDBsum3h4v
PubMed18245389
UniProtQ01782|PTR1_LEIMA Pteridine reductase 1 (Gene Name=PTR1)

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