Structure of PDB 7l17 Chain A Binding Site BS01

Receptor Information
>7l17 Chain A (length=453) Species: 99287 (Salmonella enterica subsp. enterica serovar Typhimurium str. LT2) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SISMTTKLSYGFGAFGKDFAIGIVYMYLMYYYTDVVGLSVGLVGTLFLVA
RIWDAINCPIMGWIVNATRSRWGKFKPWILIGTLTNSLVLFLLFSAHLFE
GTAQVVFVCVTYILWGMTYTIMDIPFWSLVPTITLDKREREQLVPFPRFF
ASLAGFVTAGITLPFVSYVGGADRGFGFQMFTLVLIAFFIASTIVTLRNV
HEVYSSDNGVTAGRPHLTLKTIVGLIYKNDQLSCLLGMALAYNIASNIIN
GFAIYYFTYVIGDADLFPYYLSYAGAANLLTLIVFPRLVKMLSRRILWAG
ASVMPVLSCAGLFAMALADIHNAALIVAAGIFLNIGTALFWVLQVIMVAD
TVDYGEFKLNIRCESIAYSVQTMVVKGGSAFAAFFIALVLGLIGYTPNVA
QSAQTLQGMQFIMIVLPVLFFMMTLVLYFRYYRLNGDMLRKIQIHLLDKY
RKT
Ligand information
Ligand ID9PG
InChIInChI=1S/C12H15NO8/c14-5-8-9(15)10(16)11(17)12(21-8)20-7-3-1-6(2-4-7)13(18)19/h1-4,8-12,14-17H,5H2/t8-,9+,10+,11-,12+/m1/s1
InChIKeyIFBHRQDFSNCLOZ-IIRVCBMXSA-N
SMILES
SoftwareSMILES
ACDLabs 12.01C(C1OC(C(C(C1O)O)O)Oc2ccc([N+]([O-])=O)cc2)O
OpenEye OEToolkits 1.9.2c1cc(ccc1[N+](=O)[O-])O[C@@H]2[C@@H]([C@H]([C@H]([C@H](O2)CO)O)O)O
OpenEye OEToolkits 1.9.2c1cc(ccc1[N+](=O)[O-])OC2C(C(C(C(O2)CO)O)O)O
CACTVS 3.385OC[CH]1O[CH](Oc2ccc(cc2)[N+]([O-])=O)[CH](O)[CH](O)[CH]1O
CACTVS 3.385OC[C@H]1O[C@H](Oc2ccc(cc2)[N+]([O-])=O)[C@H](O)[C@@H](O)[C@H]1O
FormulaC12 H15 N O8
Name4-nitrophenyl alpha-D-galactopyranoside;
4-nitrophenyl alpha-D-galactoside;
4-nitrophenyl D-galactoside;
4-nitrophenyl galactoside
ChEMBLCHEMBL471489
DrugBank
ZINCZINC000004282287
PDB chain7l17 Chain A Residue 501 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB7l17 X-ray crystallography reveals molecular recognition mechanism for sugar binding in a melibiose transporter MelB.
Resolution3.05 Å
Binding residue
(original residue number in PDB)
K18 D19 Y26 D124 W128 R149 W342 T373 V376
Binding residue
(residue number reindexed from 1)
K17 D18 Y25 D123 W127 R148 W341 T372 V375
Annotation score2
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0015293 symporter activity
Biological Process
GO:0006814 sodium ion transport
GO:0008643 carbohydrate transport
GO:0055085 transmembrane transport
Cellular Component
GO:0005886 plasma membrane
GO:0016020 membrane

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:7l17, PDBe:7l17, PDBj:7l17
PDBsum7l17
PubMed34341464
UniProtP30878|MELB_SALTY Melibiose permease (Gene Name=melB)

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