Structure of PDB 4zyr Chain B Binding Site BS01

Receptor Information
>4zyr Chain B (length=385) Species: 83333 (Escherichia coli K-12) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
NTNFWMFGLFFFFYFFIMGAYFPFFPIWLHDINHISKSDTWIIFAAISLF
SLLFQPLFGLLSDKLGLRKYLLWIITGMLVMFAPFFIFIFGPLLQYNILV
GSIVGGIYLGFCFNAGAPAVEAFIEKVSRRSNFEFGRARMFGCVGWALCA
SIVGIMFTINNQFVFWLGSGCALILAVLLFFAKAFSLKLALELFRQPKLW
FLSLYVIGVSCTYDVFDQQFANFFTSFFATGEQGTRVFWYVTTMGELLNA
SIMFFAPLIINRIGGKNALLLAGTIMSVRIIGSSFATSALEVVILKTLHM
FEVPFLLVGCFKYITSQFEVRFSATIYLVCFCFFKQLAMIFMSVLAGNMY
ESIGFQGAYLVLGLVALGFTLISVFTLSGPGPLSL
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 chain4zyr Chain B Residue 501 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4zyr Structure of LacY with an alpha-substituted galactoside: Connecting the binding site to the protonation site.
Resolution3.312 Å
Binding residue
(original residue number in PDB)
F27 R144 C148 W151 E269 N272
Binding residue
(residue number reindexed from 1)
F22 R139 C143 W146 E246 N249
Annotation score2
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0005351 carbohydrate:proton symporter activity
GO:0005515 protein binding
GO:0015293 symporter activity
GO:0015528 lactose:proton symporter activity
GO:0022857 transmembrane transporter activity
GO:0030395 lactose binding
Biological Process
GO:0008643 carbohydrate transport
GO:0015767 lactose transport
GO:0034219 carbohydrate transmembrane transport
GO:0055085 transmembrane transport
GO:1902600 proton transmembrane transport
Cellular Component
GO:0005886 plasma membrane
GO:0016020 membrane

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Cellular Component
External links
PDB RCSB:4zyr, PDBe:4zyr, PDBj:4zyr
PDBsum4zyr
PubMed26157133
UniProtP02920|LACY_ECOLI Lactose permease (Gene Name=lacY)

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