1ICV	Oxidoreductase	date	Apr 02, 2001
title	The Structure Of Escherichia Coli Nitroreductase Complexed With Nicotinic Acid
authors	A.L.Lovering, E.I.Hyde, P.F.Searle, S.A.White
compound		source
Molecule: Oxygen-Insensitive Nad(P)H Nitroreductase Chain: A, B, C, D Synonym: Dihydropteridine Reductase Ec: 1.6.99.7 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Nfsb Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet11c
symmetry	Space Group: P 21 21 21	R_factor 0.198 R_Free 0.242
crystal cell	length a length b length c angle alpha angle beta angle gamma 57.740 119.570 143.610 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.40 Å
ligand	FMN, MSE, NIO	enzyme	Oxidoreductase E.C.1.6.99.7 BRENDA
related structures	by homologous chain: 1DS7, 1OON
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	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., Lovering AL, Hyde EI, Searle PF, White SA, J Mol Biol 2001 May 25;309(1):203-13. PMID:11491290

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (158 Kb) [Save to disk] Biological Unit Coordinates (1icv.pdb1.gz) 77 Kb Biological Unit Coordinates (1icv.pdb2.gz) 78 Kb LPC: Ligand-Protein Contacts for 1ICV CSU: Contacts of Structural Units for 1ICV Likely Quarternary Molecular Structure file(s) for 1ICV Retrieve 1ICV in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1ICV from S2C, [Save to disk]

View 1ICV in 3D

Proteopedia, because life has more than 2D. On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure. On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Visual 3D analysis of 1ICV

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1ICV, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1icva_, region A [Jmol] [rasmolscript] [script source]     - Domain d1icvb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1icvc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1icvd_, region D [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1icv_D] [1icv] [1icv_B] [1icv_C] [1icv_A] SWISS-PROT database: [P38489] Domain organization of [NFNB_ECOLI] by SWISSPFAM

Other resources with information on 1ICV

Community annotation for 1ICV at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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