Structure of PDB 2wp6 Chain C

Receptor sequence
>2wp6C (length=488) Species: 185431 (Trypanosoma brucei brucei TREU927) [Search protein sequence]
SKAFDLVVIGAGSGGLEAGWNAATLYGKRVAVVDVQTSHGPPFYAALGGT
CVNVGCVPKKLMVTGAQYMDHLRESAGFGWEFDGSSVKANWKKLIAAKNE
AVLDINKSYEGMFNDTEGLDFFLGWGSLESKNVVVVRETADPKSAVKERL
QADHILLATGSWPQMPAIPGIEHCISSNEAFYLPEPPRRVLTVGGGFISV
EFAGIFNAYKPPGGKVTLCYRNNLILRGFDETIREEVTKQLTANGIEIMT
NENPAKVSLNTDGSKHVTFESGKTLDVDVVMMAIGRIPRTNDLQLGNVGV
KLTPKGGVQVDEFSRTNVPNIYAIGDITDRLMLTPVAINEGAALVDTVFG
NKPRKTDHTRVASAVFSIPPIGTCGLIEEVAAKEFEKVAVYMSSFTPLMH
NISGSKYKKFVAKIVTNHSDGTVLGVHLLGDGAPEIIQAVGVCLRLNAKI
SDFYNTIGVHPTSAEELCSMRTPSYYYVKGEKMEKLPD
3D structure
PDB2wp6 Dihydroquinazolines as a Novel Class of Trypanosoma Brucei Trypanothione Reductase Inhibitors: Discovery, Synthesis, and Characterization of Their Binding Mode by Protein Crystallography.
ChainC
Resolution2.5 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) S14 L48 C52 C57 K60 G85 S86 F198 E202 I339 G459 H461 E466 E485 K486
Catalytic site (residue number reindexed from 1) S13 L47 C51 C56 K59 G84 S85 F197 E201 I338 G458 H460 E465 E484 K485
Enzyme Commision number 1.8.1.12: trypanothione-disulfide 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 FAD C I10 G11 G13 S14 G15 V34 D35 V36 A46 A47 G50 T51 C52 G56 C57 K60 G127 T160 G161 R287 R290 G326 D327 L334 T335 I9 G10 G12 S13 G14 V33 D34 V35 A45 A46 G49 T50 C51 G55 C56 K59 G126 T159 G160 R286 R289 G325 D326 L333 T334
BS02 WP6 C L17 E18 W21 G49 Y110 M113 L16 E17 W20 G48 Y109 M112 MOAD: ic50=0.93uM
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0004791 thioredoxin-disulfide reductase (NADPH) activity
GO:0015036 disulfide oxidoreductase activity
GO:0015042 trypanothione-disulfide reductase (NADPH) activity
GO:0016491 oxidoreductase activity
GO:0016668 oxidoreductase activity, acting on a sulfur group of donors, NAD(P) as acceptor
GO:0046872 metal ion binding
GO:0050660 flavin adenine dinucleotide binding
Biological Process
GO:0045454 cell redox homeostasis
GO:0098869 cellular oxidant detoxification
Cellular Component
GO:0005654 nucleoplasm
GO:0005737 cytoplasm
GO:0020015 glycosome
GO:0097014 ciliary plasm

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Molecular Function
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Cellular Component
External links
PDB RCSB:2wp6, PDBe:2wp6, PDBj:2wp6
PDBsum2wp6
PubMed21851087
UniProtQ389T8

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