Structure of PDB 2x9n Chain A

Receptor sequence
>2x9nA (length=248) Species: 5702 (Trypanosoma brucei brucei) [Search protein sequence]
EAPAAVVTGAAKRIGRAIAVKLHQTGYRVVIHYHNSAEAAVSLADELNKE
RSNTAVVCQADLTNSNVLPASCEEIINSCFRAFGRCDVLVNNASAFYPTP
LVKTVETQVAELIGTNAIAPFLLTMSFAQRQSNLSIVNLCDAMVDQPCMA
FSLYNMGKHALVGLTQSAALELAPYGIRVNGVAPGVSLLPVAMGEEEKDK
WRRKVPLGRREASAEQIADAVIFLVSGSAQYITGSIIKVDGGLSLVHA
3D structure
PDB2x9n High-Resolution Structures of Trypanosoma Brucei Pteridine Reductase Ligand Complexes Inform on the Placement of New Molecular Entities in the Active Site of a Potential Drug Target
ChainA
Resolution1.15 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 A 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 L139 C140 K158 P184 G185 S187
BS02 AX3 A R14 S95 F97 Y174 L208 P210 R13 S94 F96 Y154 L188 P190 MOAD: Ki>0.035mM
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0016491 oxidoreductase activity
GO:0047040 pteridine reductase activity

View graph for
Molecular Function
External links
PDB RCSB:2x9n, PDBe:2x9n, PDBj:2x9n
PDBsum2x9n
PubMed21123874
UniProtO76290

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