Structure of PDB 3qs4 Chain A Binding Site BS03

Receptor Information
>3qs4 Chain A (length=504) Species: 63363 (Aquifex aeolicus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
REHWATRLGLILAMAGNAVGLGNFLRFPVQAAENGGGAFMIPYIIAFLLV
GIPLMWIEWAMGRYGGAQGHGTTPAIFYLLWRNRFAKILGVFGLWIPLVV
AIYYVYIESWTLGFAIKFLVGLVPEPPTDPDSILRPFKEFLYSYIGVPKG
DEPILKPSLFAYIVFLITMFINVSILIRGISKGIERFAKIAMPTLFILAV
FLVIRVFLLETPNGTAADGLNFLWTPDFEKLKDPGVWIAAVGQIFFTLSL
GVGAIITYASYVRKDQDIVLSGLTAATLNEKAEVILGGSISIPAAVAFFG
VANAVAIAKAGAFNLGFITLPAIFSQTAGGTFLGFLWFFLLFFAGLTSSI
AIMQPMIAFLEDELKLSRKHAVLWTAAIVFFSAHLVMFLNKSLDEMDFWA
GTIGVVFFGLTELIIFFWIFGADKAWEEINRGGIIKVPRIYYYVMRYITP
AFLAVLLVVWAREYIPKIMEETHWTVWITRFYIIGLFLFLTFLVFLAERR
RNHE
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 chain3qs4 Chain A Residue 603 [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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PDB3qs4 Insights into transport mechanism from LeuT engineered to transport tryptophan.
Resolution2.631 Å
Binding residue
(original residue number in PDB)		R11 D272 Q273 D274 G439
Binding residue
(residue number reindexed from 1)		R7 D265 Q266 D267 G432
Annotation score4
Binding affinityPDBbind-CN: -logKd/Ki=4.68,Kd=21.0uM
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:3qs4, PDBe:3qs4, PDBj:3qs4
PDBsum3qs4
PubMed21952050
UniProtO67854

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