Structure of PDB 3jq7 Chain B

Receptor sequence
>3jq7B (length=247) Species: 5691 (Trypanosoma brucei) [Search protein sequence]
EAPAAVVTGAAKRIGRAIAVKLHQTGYRVVIHYHNSAEAAVSLADELNKE
RSNTAVVCQADLTNSNVLPASCEEIINSCFRAFGRCDVLVNNASAFYPTP
LVKTVETQVAELIGTNAIAPFLLTMSFAQRQNLSIVNLCDAMVDQPCMAF
SLYNMGKHALVGLTQSAALELAPYGIRVNGVAPGVSLLPVAMGEEEKDKW
RRKVPLGRREASAEQIADAVIFLVSGSAQYITGSIIKVDGGLSLVHA
3D structure
PDB3jq7 Structure-based design of pteridine reductase inhibitors targeting african sleeping sickness and the leishmaniases.
ChainB
Resolution1.8 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 D140 Y153 K157
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 Y34 H35 N36 S37 D62 L63 N93 A94 S95 T126 L159 C160 K178 P204 G205 S207 R13 I14 Y33 H34 N35 S36 D61 L62 N92 A93 S94 T115 L138 C139 K157 P183 G184 S186
BS02 DX2 B R14 S95 F97 Y174 L209 P210 R13 S94 F96 Y153 L188 P189 MOAD: Ki=1.2uM
Gene Ontology
Molecular Function
GO:0016491 oxidoreductase activity

View graph for
Molecular Function
External links
PDB RCSB:3jq7, PDBe:3jq7, PDBj:3jq7
PDBsum3jq7
PubMed19916554
UniProtQ581W1

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