Structure of PDB 2bf4 Chain B Binding Site BS02

Receptor Information
>2bf4 Chain B (length=645) Species: 4932 (Saccharomyces cerevisiae) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
NRDIAQVVTENNKNYLVLYASQTGTAEDYAKKFSKELVAKFNLNVMCADV
ENYDFESLNDVPVIVSIFISTYGEGDFPDGAVNFEDFICNAEAGALSNLR
YNMFGLGNSTYEFFNGAAKKAEKHLSAAGAIRLGKLGEADDGAGTTDEDY
MAWKDSILEVLKDELHLDEQEAKFTSQFQYTVLNEITDSMSLGEPSAHYL
PSHQLNRNADGIQLGPFDLSQPYIAPIVKSRELFSSNDRNCIHSEFDLSG
SNIKYSTGDHLAVWPSNPLEKVEQFLSIFNLDPETIFDLKPLDPTVKVPF
PTPTTIGAAIKHYLEITGPVSRQLFSSLIQFAPNADVKEKLTLLSKDKDQ
FAVEITSKYFNIADALKYLSDGAKWDTVPMQFLVESVPQMTPRYYSISSS
SLSEKQTVHVTSIVENFPNPELPDAPPVVGVTTNLLRNIQLAQNNVNIAE
TNLPVHYDLNGPRKLFANYKLPVHVRRSNFRLPSNPSTPVIMIGPGTGVA
PFRGFIRERVAFLESQKKGGNNVSLGKHILFYGSRNTDDFLYQDEWPEYA
KKLDGSFEMVVAHSRLPNTKKVYVQDKLKDYEDQVFEMINNGAFIYVCGD
AKGMAKGVSTALVGILSRGKSITTDEATELIKMLKTSGRYQEDVW
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 chain2bf4 Chain B Residue 751 [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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PDB2bf4 A Second Fmn-Binding Site in Yeast Nadph-Cytochrome P450 Reductase Suggests a Mechanism of Electron Transfer by Diflavin Reductases.
Resolution3.0 Å
Binding residue
(original residue number in PDB)		S67 Q68 T69 G70 T71 A72 S116 T117 Y118 G119 G153 N154 Y157 F160 N161
Binding residue
(residue number reindexed from 1)		S21 Q22 T23 G24 T25 A26 S70 T71 Y72 G73 G107 N108 Y111 F114 N115
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) Y441 S442 C644 D689 W691
Catalytic site (residue number reindexed from 1) Y395 S396 C598 D643 W645
Enzyme Commision number 1.6.2.4: NADPH--hemoprotein reductase.
Gene Ontology
Molecular Function
GO:0003958 NADPH-hemoprotein reductase activity
GO:0003959 NADPH dehydrogenase activity
GO:0009055 electron transfer activity
GO:0010181 FMN binding
GO:0016491 oxidoreductase activity
GO:0050660 flavin adenine dinucleotide binding
GO:0050661 NADP binding
Biological Process
GO:0006696 ergosterol biosynthetic process
GO:0016126 sterol biosynthetic process
Cellular Component
GO:0005737 cytoplasm
GO:0005739 mitochondrion
GO:0005741 mitochondrial outer membrane
GO:0005783 endoplasmic reticulum
GO:0005789 endoplasmic reticulum membrane
GO:0005829 cytosol
GO:0005886 plasma membrane

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:2bf4, PDBe:2bf4, PDBj:2bf4
PDBsum2bf4
PubMed16407065
UniProtP16603|NCPR_YEAST NADPH--cytochrome P450 reductase (Gene Name=NCP1)

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