Structure of PDB 3qs5 Chain A Binding Site BS01

Receptor Information
>3qs5 Chain A (length=509) Species: 63363 (Aquifex aeolicus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
REHWATRLGLILAMAGNAVGLGNFLRFPVQAAENGGGAFMIPYIIAFLLV
GIPLMWIEWAMGRYGGAQGHGTTPAIFYLLWRNRFAKILGVFGLWIPLVV
AIYYVYIESWTLGFAIKFLVGLVPEPPPTDPDSILRPFKEFLYSYIGVPK
GDEPILKPSLFAYIVFLITMFINVSILIRGISKGIERFAKIAMPTLFILA
VFLVIRVFLLETPNGTAADGLNFLWTPDFEKLKDPGVWIAAVGQIFFTLS
LGFGAIITYASYVRKDQDIVLSGLTAATLNEKAEVILGGSISIPAAVAFF
GVANAVAIAKAGAFNLGFITLPAIFSQTAGGTFLGFLWFFLLFFAGLTSS
IAQMQPMIAFLEDELKLSRKHAVLWTAAIVFFSAHLVMFLNKSLDEMDFW
AGTIGVVFFGLTELIIFFWIFGADKAWEEINRGGIIKVPRIYYYVMRYIT
PAFLAVLLVVWAREYIPKIMEETHWTVWITRFYIIGLFLFLTFLVFLAER
RRNHESAGT
Ligand information
Ligand IDTRP
InChIInChI=1S/C11H12N2O2/c12-9(11(14)15)5-7-6-13-10-4-2-1-3-8(7)10/h1-4,6,9,13H,5,12H2,(H,14,15)/t9-/m0/s1
InChIKeyQIVBCDIJIAJPQS-VIFPVBQESA-N
SMILES
SoftwareSMILES
ACDLabs 10.04O=C(O)C(N)Cc2c1ccccc1nc2
OpenEye OEToolkits 1.5.0c1ccc2c(c1)c(c[nH]2)C[C@@H](C(=O)O)N
OpenEye OEToolkits 1.5.0c1ccc2c(c1)c(c[nH]2)CC(C(=O)O)N
CACTVS 3.341N[CH](Cc1c[nH]c2ccccc12)C(O)=O
CACTVS 3.341N[C@@H](Cc1c[nH]c2ccccc12)C(O)=O
FormulaC11 H12 N2 O2
NameTRYPTOPHAN
ChEMBLCHEMBL54976
DrugBankDB00150
ZINCZINC000000083315
PDB chain3qs5 Chain A Residue 601 [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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PDB3qs5 Insights into transport mechanism from LeuT engineered to transport tryptophan.
Resolution2.6 Å
Binding residue
(original residue number in PDB)
N21 A22 G24 G26 F253 T254 S256 F259 A261 S355 A358 Q359
Binding residue
(residue number reindexed from 1)
N17 A18 G20 G22 F247 T248 S250 F253 A255 S349 A352 Q353
Annotation score4
Binding affinityPDBbind-CN: -logKd/Ki=4.71,Kd=19.6uM
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Biological Process
GO:0035725 sodium ion transmembrane transport
Cellular Component
GO:0005886 plasma membrane
GO:0016020 membrane

View graph for
Biological Process

View graph for
Cellular Component
External links
PDB RCSB:3qs5, PDBe:3qs5, PDBj:3qs5
PDBsum3qs5
PubMed21952050
UniProtO67854

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