Structure of PDB 2bn4 Chain B Binding Site BS03

Receptor Information
>2bn4 Chain B (length=641) 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
PSHQLDGIQLGPFDLSQPYIAPIVKSRELFSSNDRNCIHSEFDLSGSNIK
YSTGDHLAVWPSNPLEKVEQFLSIFNLDPETIFDLKPLDPTVKVPFPTPT
TIGAAIKHYLEITGPVSRQLFSSLIQFAPNADVKEKLTLLSKDKDQFAVE
ITSKYFNIADALKYLSDGAKWDTVPMQFLVESVPQMTPRYYSISSSSLSE
KQTVHVTSIVENFPNPELPDAPPVVGVTTNLLRNIQLAQNNVNIAETNLP
VHYDLNGPRKLFANYKLPVHVRRSNFRLPSNPSTPVIMIGPGTGVAPFRG
FIRERVAFLESQKKGGNNVSLGKHILFYGSRNTDDFLYQDEWPEYAKKLD
GSFEMVVAHSRLPNTKKVYVQDKLKDYEDQVFEMINNGAFIYVCGDAKGM
AKGVSTALVGILSRGKSITTDEATELIKMLKTSGRYQEDVW
Ligand information
Ligand IDNAP
InChIInChI=1S/C21H28N7O17P3/c22-17-12-19(25-7-24-17)28(8-26-12)21-16(44-46(33,34)35)14(30)11(43-21)6-41-48(38,39)45-47(36,37)40-5-10-13(29)15(31)20(42-10)27-3-1-2-9(4-27)18(23)32/h1-4,7-8,10-11,13-16,20-21,29-31H,5-6H2,(H7-,22,23,24,25,32,33,34,35,36,37,38,39)/t10-,11-,13-,14-,15-,16-,20-,21-/m1/s1
InChIKeyXJLXINKUBYWONI-NNYOXOHSSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0c1cc(c[n+](c1)C2C(C(C(O2)COP(=O)([O-])OP(=O)(O)OCC3C(C(C(O3)n4cnc5c4ncnc5N)OP(=O)(O)O)O)O)O)C(=O)N
CACTVS 3.341NC(=O)c1ccc[n+](c1)[CH]2O[CH](CO[P]([O-])(=O)O[P](O)(=O)OC[CH]3O[CH]([CH](O[P](O)(O)=O)[CH]3O)n4cnc5c(N)ncnc45)[CH](O)[CH]2O
CACTVS 3.341NC(=O)c1ccc[n+](c1)[C@@H]2O[C@H](CO[P]([O-])(=O)O[P@@](O)(=O)OC[C@H]3O[C@H]([C@H](O[P](O)(O)=O)[C@@H]3O)n4cnc5c(N)ncnc45)[C@@H](O)[C@H]2O
OpenEye OEToolkits 1.5.0c1cc(c[n+](c1)[C@H]2[C@@H]([C@@H]([C@H](O2)CO[P@@](=O)([O-])O[P@](=O)(O)OC[C@@H]3[C@H]([C@H]([C@@H](O3)n4cnc5c4ncnc5N)OP(=O)(O)O)O)O)O)C(=O)N
FormulaC21 H28 N7 O17 P3
NameNADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE;
2'-MONOPHOSPHOADENOSINE 5'-DIPHOSPHORIBOSE
ChEMBLCHEMBL295069
DrugBankDB03461
ZINC
PDB chain2bn4 Chain B Residue 753 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB2bn4 A Second Fmn-Binding Site in Yeast Nadph-Cytochrome P450 Reductase Suggests a Mechanism of Electron Transfer by Diflavin Reductases.
Resolution2.91 Å
Binding residue
(original residue number in PDB)		I459 E461 P541 T543 S580 S610 R611 K617 Y619 Q621 D646 G649 M650
Binding residue
(residue number reindexed from 1)		I409 E411 P491 T493 S530 S560 R561 K567 Y569 Q571 D596 G599 M600
Annotation score4
Enzymatic activity
Catalytic site (original residue number in PDB) Y441 S442 C644 D689 W691
Catalytic site (residue number reindexed from 1) Y391 S392 C594 D639 W641
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:2bn4, PDBe:2bn4, PDBj:2bn4
PDBsum2bn4
PubMed16407065
UniProtP16603|NCPR_YEAST NADPH--cytochrome P450 reductase (Gene Name=NCP1)

[Back to BioLiP]