Structure of PDB 5sa2 Chain B Binding Site BS01

Receptor Information
>5sa2 Chain B (length=483) Species: 5691 (Trypanosoma brucei) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
KAFDLVVIGAGSGGLEAGWNAATLYGKRVAVVDVQTSHGPPFYAALGGTC
VNVGCVPKKLMVTGAQYMDHLRESAGFGWEFDGSSVKANWKKLIAAKNEA
VLDINKSYEGMFNDTEGLDFFLGWGSLESKNVVVVRETADPKSAVKERLQ
ADHILLATGSWPQMPAIPGIEHCISSNEAFYLPEPPRRVLTVGGGFISVE
FAGIFNAYKPPGGKVTLCYRNNLILRGFDETIREEVTKQLTANGIEIMTN
ENPAKVSLNTDGSKHVTFESGKTLDVDVVMMAIGRIPRTNDLQLGNVGVK
LTPKGGVQVDEFSRTNVPNIYAIGDITDRLMLTPVAINEGAALVDTVFGN
KPRKTDHTRVASAVFSIPPIGTCGLIEEVAAKEFEKVAVYMSSFTPLMHN
ISGSKYKKFVAKIVTNHSDGTVLGVHLLGDGAPEIIQAVGVCLRLNAKIS
DFYNTIGVHPTSAEELCSMRTPSYYYVKGEKME
Ligand information
Ligand IDFAD
InChIInChI=1S/C27H33N9O15P2/c1-10-3-12-13(4-11(10)2)35(24-18(32-12)25(42)34-27(43)33-24)5-14(37)19(39)15(38)6-48-52(44,45)51-53(46,47)49-7-16-20(40)21(41)26(50-16)36-9-31-17-22(28)29-8-30-23(17)36/h3-4,8-9,14-16,19-21,26,37-41H,5-7H2,1-2H3,(H,44,45)(H,46,47)(H2,28,29,30)(H,34,42,43)/t14-,15+,16+,19-,20+,21+,26+/m0/s1
InChIKeyVWWQXMAJTJZDQX-UYBVJOGSSA-N
SMILES
SoftwareSMILES
CACTVS 3.341Cc1cc2N=C3C(=O)NC(=O)N=C3N(C[C@H](O)[C@H](O)[C@H](O)CO[P@](O)(=O)O[P@@](O)(=O)OC[C@H]4O[C@H]([C@H](O)[C@@H]4O)n5cnc6c(N)ncnc56)c2cc1C
OpenEye OEToolkits 1.5.0Cc1cc2c(cc1C)N(C3=NC(=O)NC(=O)C3=N2)CC(C(C(COP(=O)(O)OP(=O)(O)OCC4C(C(C(O4)n5cnc6c5ncnc6N)O)O)O)O)O
OpenEye OEToolkits 1.5.0Cc1cc2c(cc1C)N(C3=NC(=O)NC(=O)C3=N2)C[C@@H]([C@@H]([C@@H](CO[P@@](=O)(O)O[P@](=O)(O)OC[C@@H]4[C@H]([C@H]([C@@H](O4)n5cnc6c5ncnc6N)O)O)O)O)O
CACTVS 3.341Cc1cc2N=C3C(=O)NC(=O)N=C3N(C[CH](O)[CH](O)[CH](O)CO[P](O)(=O)O[P](O)(=O)OC[CH]4O[CH]([CH](O)[CH]4O)n5cnc6c(N)ncnc56)c2cc1C
ACDLabs 10.04O=C2C3=Nc1cc(c(cc1N(C3=NC(=O)N2)CC(O)C(O)C(O)COP(=O)(O)OP(=O)(O)OCC6OC(n5cnc4c(ncnc45)N)C(O)C6O)C)C
FormulaC27 H33 N9 O15 P2
NameFLAVIN-ADENINE DINUCLEOTIDE
ChEMBLCHEMBL1232653
DrugBankDB03147
ZINCZINC000008215434
PDB chain5sa2 Chain B Residue 501 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB5sa2 Innovative Approach for a Classic Target: Fragment Screening on Trypanothione Reductase Reveals New Opportunities for Drug Design.
Resolution1.78 Å
Binding residue
(original residue number in PDB)		I10 G11 G13 S14 G15 V34 D35 V36 A46 A47 G50 T51 C52 G56 C57 K60 G127 T160 G161 F198 I199 R287 R290 G326 D327 M333 L334 T335
Binding residue
(residue number reindexed from 1)		I8 G9 G11 S12 G13 V32 D33 V34 A44 A45 G48 T49 C50 G54 C55 K58 G125 T158 G159 F196 I197 R285 R288 G324 D325 M331 L332 T333
Annotation score2
Enzymatic activity
Enzyme Commision number 1.8.1.12: trypanothione-disulfide reductase.
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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Biological Process
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Cellular Component
External links
PDB RCSB:5sa2, PDBe:5sa2, PDBj:5sa2
PDBsum5sa2
PubMed35860359
UniProtQ389T8

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