Structure of PDB 1icu Chain D Binding Site BS03

Receptor Information
>1icu Chain D (length=217) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MDIISVALKRHSTKAFDASKKLTPEQAEQIKTLLQYSPSSTNSQPWHFIV
ASTEEGKARVAKSAAGNYVFNERKMLDASHVVVFCAKTAMDDVWLKLVVD
QEDADGRFATPEAKAANDKGRKFFADMHRKDLHDDAEWMAKQVYLNVGNF
LLGVAALGLDAVPIEGFDAAILDAEFGLKEKGYTSLVVVPVGHHSVEDFN
ATLPKSRLPQNITLTEV
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 chain1icu Chain D Residue 224 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1icu The structure of Escherichia coli nitroreductase complexed with nicotinic acid: three crystal forms at 1.7 A, 1.8 A and 2.4 A resolution.
Resolution1.8 Å
Binding residue
(original residue number in PDB)
R10 H11 S12 K14 N71 K74 P163 I164 E165 G166 K205 R207
Binding residue
(residue number reindexed from 1)
R10 H11 S12 K14 N71 K74 P163 I164 E165 G166 K205 R207
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) K14 K74 E165
Catalytic site (residue number reindexed from 1) K14 K74 E165
Enzyme Commision number 1.-.-.-
1.5.1.34: 6,7-dihydropteridine reductase.
Gene Ontology
Molecular Function
GO:0003955 NAD(P)H dehydrogenase (quinone) activity
GO:0004155 6,7-dihydropteridine reductase activity
GO:0010181 FMN binding
GO:0016491 oxidoreductase activity
GO:0042802 identical protein binding
GO:0042803 protein homodimerization activity
GO:0046857 oxidoreductase activity, acting on other nitrogenous compounds as donors, with NAD or NADP as acceptor
Biological Process
GO:0046256 2,4,6-trinitrotoluene catabolic process
Cellular Component
GO:0005829 cytosol
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:1icu, PDBe:1icu, PDBj:1icu
PDBsum1icu
PubMed11491290
UniProtP38489|NFSB_ECOLI Oxygen-insensitive NAD(P)H nitroreductase (Gene Name=nfsB)

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