Structure of PDB 4mwb Chain B Binding Site BS01

Receptor Information
>4mwb Chain B (length=533) Species: 5691 (Trypanosoma brucei) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GPGSMKVEKVFFVTSPIYYVNAAPHIGHVYSTLITDVIGRYHRVKGERVF
ALTGTDEHGQKVAEAAKQKQVSPYDFTTAVAGEFKKCFEQMDYSIDYFIR
TTNEQHKAVVKELWTKLEQKGDIYLGRYEGWYSISDESFLTPQNITDGVD
NPCKVSLESGHVVTWVSEENYMFRLSAFRERLLEWYHANPGCIVPEFRRR
EVIRAVEKGLPDLSVSRARATLHNWAIPVPGNPDHCVYVWLDALTNYLTG
SRLRVDESGKEVSLVDDFNELERFPADVHVIGKDILKFHAIYWPAFLLSA
GLPLPKKIVAHGWWTKDRKKISKSLGNVFDPVEKAEEFGYDALKYFLLRE
SGFSDDGDYSDKNMIARLNGELADTLGNLVMRCTSAKINVNGEWPSPAAY
TEEDESLIQLIKDLPGTADHYYLIPDIQKAIIAVFDVLRAINAYVTDMAP
WKLVKTDPERLRTVLYITLEGVRVTTLLLSPILPRKSVVIFDMLGVPEVH
RKGIENFEFGAVPPGTRLGPAVEGEVLFSKRST
Ligand information
Ligand ID2EK
InChIInChI=1S/C13H15Cl2N3OS2/c14-11-6-9(12(15)21-11)7-16-3-1-4-17-13(19)18-10-2-5-20-8-10/h2,5-6,8,16H,1,3-4,7H2,(H2,17,18,19)
InChIKeySZYXSDCUJDMWNQ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.6c1cscc1NC(=O)NCCCNCc2cc(sc2Cl)Cl
CACTVS 3.385Clc1sc(Cl)c(CNCCCNC(=O)Nc2cscc2)c1
ACDLabs 12.01Clc1sc(Cl)cc1CNCCCNC(=O)Nc2ccsc2
FormulaC13 H15 Cl2 N3 O S2
Name1-(3-{[(2,5-dichlorothiophen-3-yl)methyl]amino}propyl)-3-thiophen-3-ylurea
ChEMBL
DrugBank
ZINCZINC000098208151
PDB chain4mwb Chain B Residue 807 [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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PDB4mwb Structures of Trypanosoma brucei Methionyl-tRNA Synthetase with Urea-Based Inhibitors Provide Guidance for Drug Design against Sleeping Sickness.
Resolution2.313 Å
Binding residue
(original residue number in PDB)		I248 Y250 D287 H289 G290 Y472 V473 D476 L478 F522 H523
Binding residue
(residue number reindexed from 1)		I17 Y19 D56 H58 G59 Y238 V239 D242 L244 F288 H289
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) H256 H259 S364 D367 S390 S393 K554 K557
Catalytic site (residue number reindexed from 1) H25 H28 S133 D136 S156 S159 K320 K323
Enzyme Commision number 6.1.1.10: methionine--tRNA ligase.
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0004812 aminoacyl-tRNA ligase activity
GO:0004825 methionine-tRNA ligase activity
GO:0005524 ATP binding
Biological Process
GO:0006418 tRNA aminoacylation for protein translation
GO:0006431 methionyl-tRNA aminoacylation

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:4mwb, PDBe:4mwb, PDBj:4mwb
PDBsum4mwb
PubMed24743796
UniProtQ38C91

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