Structure of PDB 7xk3 Chain B Binding Site BS03

Receptor Information
>7xk3 Chain B (length=387) Species: 345073 (Vibrio cholerae O395) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
YEAAATLFYTPGLVTKRSSHVRDSVDLKRIMIMVWLAVFPAMFWGMYNAG
GQAIAALNHLYSGDQLAAIVAGNWHYWLTEMLGGTMSSDAGWGSKMLLGA
TYFLPIYATVFIVGGFWEVLFCMVRKHEVNEGFFVTSILFALIVPPTLPL
WQAALGITFGVVVAKEVFGGTGRNFLNPALAGRAFLFFAYPAQISGDLVW
TAADGYSGATALSQWAQGGAGALINNATGQTITWMDAFIGNIPGSIGEVS
TLALMIGAAFIVYMGIASWRIIGGVMIGMILLSTLFNVIGSDTNAMFNMP
WHWHLVLGGFAFGMFFMATDPVSASFTNSGKWAYGILIGVMCVLIRVVNP
AYPEGMMLAILFANLFAPLFDHVVVERNIKRRLARYG
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 chain7xk3 Chain C Residue 301 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB7xk3 Cryo-EM structures of Na + -pumping NADH-ubiquinone oxidoreductase from Vibrio cholerae.
Resolution3.1 Å
Binding residue
(original residue number in PDB)
F213 P217 A377
Binding residue
(residue number reindexed from 1)
F187 P191 A351
Annotation score1
Enzymatic activity
Enzyme Commision number 7.2.1.1: NADH:ubiquinone reductase (Na(+)-transporting).
Gene Ontology
Molecular Function
GO:0010181 FMN binding
GO:0016655 oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor
GO:1902444 riboflavin binding
Biological Process
GO:0006814 sodium ion transport
GO:0022904 respiratory electron transport chain
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:7xk3, PDBe:7xk3, PDBj:7xk3
PDBsum7xk3
PubMed35882843
UniProtA5F5X0|NQRB_VIBC3 Na(+)-translocating NADH-quinone reductase subunit B (Gene Name=nqrB)

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