Structure of PDB 3l9w Chain B Binding Site BS01

Receptor Information
>3l9w Chain B (length=357) Species: 83333 (Escherichia coli K-12) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GMRVIIAGFGRFGQITGRLLLSSGVKMVVLDHDPDHIETLRKFGMKVFYG
DATRMDLLESAGAAKAEVLINAIDDPQTNLQLTEMVKEHFPHLQIIARAR
DVDHYIRLRQAGVEKPERETFEGALKTGRLALESLGLGPYEARERADVFR
RFNIQMVEEMAMVENDTKARAAVYKRTSAMLSGMILIIYAHPYPHHSHAN
KRMLEQARTLEGVEIRSLYQLYPDFNIDIAAEQEALSRADLIVWQHPMQW
YSIPPLLKLWIDKVFSHGWAYGHGGTALHGKHLLWAVTTGGGESHFEIGA
HPGFDVLSQPLQATAIYCGLNWLPPFAMHCTFICDDETLEGQARHYKQRL
LEWQEAH
Ligand information
Ligand IDFMN
InChIInChI=1S/C17H21N4O9P/c1-7-3-9-10(4-8(7)2)21(15-13(18-9)16(25)20-17(26)19-15)5-11(22)14(24)12(23)6-30-31(27,28)29/h3-4,11-12,14,22-24H,5-6H2,1-2H3,(H,20,25,26)(H2,27,28,29)/t11-,12+,14-/m0/s1
InChIKeyFVTCRASFADXXNN-SCRDCRAPSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.6Cc1cc2c(cc1C)N(C3=NC(=O)NC(=O)C3=N2)CC(C(C(COP(=O)(O)O)O)O)O
OpenEye OEToolkits 1.7.6Cc1cc2c(cc1C)N(C3=NC(=O)NC(=O)C3=N2)C[C@@H]([C@@H]([C@@H](COP(=O)(O)O)O)O)O
ACDLabs 12.01N=2C(=O)NC(=O)C3=Nc1cc(C)c(C)cc1N(C=23)CC(O)C(O)C(O)COP(=O)(O)O
CACTVS 3.385Cc1cc2N=C3C(=O)NC(=O)N=C3N(C[CH](O)[CH](O)[CH](O)CO[P](O)(O)=O)c2cc1C
CACTVS 3.385Cc1cc2N=C3C(=O)NC(=O)N=C3N(C[C@H](O)[C@H](O)[C@H](O)CO[P](O)(O)=O)c2cc1C
FormulaC17 H21 N4 O9 P
NameFLAVIN MONONUCLEOTIDE;
RIBOFLAVIN MONOPHOSPHATE
ChEMBLCHEMBL1201794
DrugBankDB03247
ZINCZINC000003831425
PDB chain3l9w Chain B Residue 2400 [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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PDB3l9w Mechanism of ligand-gated potassium efflux in bacterial pathogens.
Resolution1.75 Å
Binding residue
(original residue number in PDB)		H1008 S1014 H1015 A1016 N1017 P1064 M1065 Q1066 W1067 Y1068 T1105 G1107 G1108 H1112 T1148 F1149
Binding residue
(residue number reindexed from 1)		H191 S197 H198 A199 N200 P247 M248 Q249 W250 Y251 T288 G290 G291 H295 T331 F332
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) G1107 F1113 H1118
Catalytic site (residue number reindexed from 1) G290 F296 H301
Enzyme Commision number ?
1.6.5.2: NAD(P)H dehydrogenase (quinone).
Gene Ontology
Molecular Function
GO:0003955 NAD(P)H dehydrogenase (quinone) activity
GO:0005515 protein binding
GO:0008753 NADPH dehydrogenase (quinone) activity
GO:0009055 electron transfer activity
GO:0010181 FMN binding
GO:0015079 potassium ion transmembrane transporter activity
GO:0016491 oxidoreductase activity
GO:0042803 protein homodimerization activity
GO:0050136 NADH:ubiquinone reductase (non-electrogenic) activity
Biological Process
GO:0006813 potassium ion transport
GO:0032414 positive regulation of ion transmembrane transporter activity
GO:0051453 regulation of intracellular pH
GO:0051454 intracellular pH elevation
GO:1901381 positive regulation of potassium ion transmembrane transport
Cellular Component
GO:0005886 plasma membrane
GO:1903103 potassium:proton antiporter complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:3l9w, PDBe:3l9w, PDBj:3l9w
PDBsum3l9w
PubMed21041667
UniProtP03819|KEFC_ECOLI Glutathione-regulated potassium-efflux system protein KefC (Gene Name=kefC);
P0A754

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