Structure of PDB 4zt4 Chain B Binding Site BS01

Receptor Information
>4zt4 Chain B (length=525) Species: 185431 (Trypanosoma brucei brucei TREU927) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GPGSMKVEKVFFVTSPIYYVNAAPHIGHVYSTLITDVIGRYHRVKGERVF
ALTGTDEHGQKVAEAAKQKQVSPYDFTTAVAGEFKKCFEQMDYSIDYFIR
TTNEQHKAVVKELWTKLEQKGDIYLGRYEGWYSISDESFLTPQNITVSLE
SGHVVTWVSEENYMFRLSAFRERLLEWYHANPGCIVPEFRRREVIRAVEK
GLPDLSVSRARATLHNWAIPVPGNPDHCVYVWLDALTNYLTGSRLRVDES
GKEVSLVDDFNELERFPADVHVIGKDILKFHAIYWPAFLLSAGLPLPKKI
VAHGWWTKDRKKISKSLGNVFDPVEKAEEFGYDALKYFLLRESGFSDDGD
YSDKNMIARLNGELADTLGNLVMRCTSAKINVNGEWPSPAAYTEEDESLI
QLIKDLPGTADHYYLIPDIQKAIIAVFDVLRAINAYVTDMAPWKLVKTDP
ERLRTVLYITLEGVRVTTLLLSPILPRKSVVIFDMLGVPEVHRKGIENFE
FGAVPPGTRLGPAVEGEVLFSKRST
Ligand information
Ligand ID4RO
InChIInChI=1S/C16H15Cl2F2N5/c17-11-4-10(5-12(18)6-11)7-21-8-16(19,20)9-23-15-24-13-2-1-3-22-14(13)25-15/h1-6,21H,7-9H2,(H2,22,23,24,25)
InChIKeyMEIIHMGWEAIZIU-UHFFFAOYSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.9.2c1cc2c(nc1)nc([nH]2)NCC(CNCc3cc(cc(c3)Cl)Cl)(F)F
ACDLabs 12.01c3c(CNCC(CNc2nc1c(nccc1)n2)(F)F)cc(Cl)cc3Cl
CACTVS 3.385FC(F)(CNCc1cc(Cl)cc(Cl)c1)CNc2[nH]c3cccnc3n2
FormulaC16 H15 Cl2 F2 N5
NameN-(3,5-dichlorobenzyl)-2,2-difluoro-N'-(1H-imidazo[4,5-b]pyridin-2-yl)propane-1,3-diamine
ChEMBL
DrugBank
ZINCZINC000584904959
PDB chain4zt4 Chain B Residue 803 [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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PDB4zt4 5-Fluoroimidazo[4,5-b]pyridine Is a Privileged Fragment That Conveys Bioavailability to Potent Trypanosomal Methionyl-tRNA Synthetase Inhibitors.
Resolution2.3 Å
Binding residue
(original residue number in PDB)		I248 Y250 D287 H289 G290 Y472 V473 W474 I519 F522
Binding residue
(residue number reindexed from 1)		I17 Y19 D56 H58 G59 Y230 V231 W232 I277 F280
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 S148 S151 K312 K315
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:4zt4, PDBe:4zt4, PDBj:4zt4
PDBsum4zt4
PubMed27627628
UniProtQ38C91

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