Structure of PDB 3jq9 Chain B

Receptor sequence
>3jq9B (length=248) Species: 5691 (Trypanosoma brucei) [Search protein sequence]
EAPAAVVTGAAKRIGRAIAVKLHQTGYRVVIHYHNSAEAAVSLADELNKE
RSNTAVVCQADLTNSNVLPASCEEIINSCFRAFGRCDVLVNNASAFYPTP
LVGKTVETQVAELIGTNAIAPFLLTMSFAQRQNLSIVNLCDAMVDQPCMA
FSLYNMGKHALVGLTQSAALELAPYGIRVNGVAPGVSLLPVAMGEEEKDK
WRRKVPLGRREASAEQIADAVIFLVSGSAQYITGSIIKVDGGLSLVHA
3D structure
PDB3jq9 Structure-based design of pteridine reductase inhibitors targeting african sleeping sickness and the leishmaniases.
ChainB
Resolution2.3 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) R14 D161 Y174 K178
Catalytic site (residue number reindexed from 1) R13 D141 Y154 K158
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 B R14 I15 H35 N36 S37 D62 L63 N93 A94 S95 T126 L159 K178 P204 G205 L208 R13 I14 H34 N35 S36 D61 L62 N92 A93 S94 T116 L139 K158 P184 G185 L188
BS02 AX1 B S95 F97 D161 M163 Y174 W221 S94 F96 D141 M143 Y154 W201 MOAD: Ki=0.4uM
Gene Ontology
Molecular Function
GO:0016491 oxidoreductase activity

View graph for
Molecular Function
External links
PDB RCSB:3jq9, PDBe:3jq9, PDBj:3jq9
PDBsum3jq9
PubMed19916554
UniProtQ581W1

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