Structure of PDB 3f3a Chain A Binding Site BS03

Receptor Information
>3f3a 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
GFGAIITYASYVRKDQDIVLSGLTAATLNEKAEVILGGSISIPAAVAFFG
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 chain3f3a Chain A Residue 603 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3f3a A competitive inhibitor traps LeuT in an open-to-out conformation.
Resolution2.0 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 affinityMOAD: Ki=64800nM
PDBbind-CN: -logKd/Ki=4.19,Ki=64.8uM
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:3f3a, PDBe:3f3a, PDBj:3f3a
PDBsum3f3a
PubMed19074341
UniProtO67854

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