2HX2	Oxidoreductase	date	Aug 02, 2006
title	Bovine Enos Heme Domain Complexed With (4s)-N-{4-Amino-5-[(2 Aminoethyl)-Hydroxyamino]-Pentyl}-N'-Nitroguanidine
authors	J.Igarashi, H.Li, T.L.Poulos
compound		source
Molecule: Nitric-Oxide Synthase Chain: A, B Fragment: Residues 66-481 Synonym: Ec-Nos, Nos Type III, Nosiii, Endothelial Nos, Eno Constitutive Nos, Cnos; Ec: 1.14.13.39 Engineered: Yes		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913 Gene: Nos3 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pcwori
symmetry	Space Group: P 21 21 21	R_factor 0.180 R_Free 0.213
crystal cell	length a length b length c angle alpha angle beta angle gamma 57.820 106.850 156.350 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.95 Å
ligand	3HX, ACT, CAC, GOL, H4B, HEM, ZN BindingDB	enzyme	Oxidoreductase E.C.1.14.13.39 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structure-Based Design and Synthesis of N(omega)-Nitro-l-Arginine-Containing Peptidomimetics as Selective Inhibitors of Neuronal Nitric Oxide Synthase. Displacement of the Heme Structural Water., Seo J, Igarashi J, Li H, Martasek P, Roman LJ, Poulos TL, Silverman RB, J Med Chem. 2007 Apr 11;. PMID:17425297

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (148 Kb) [Save to disk] Biological Unit Coordinates (2hx2.pdb1.gz) 142 Kb LPC: Ligand-Protein Contacts for 2HX2 CSU: Contacts of Structural Units for 2HX2 Likely Quarternary Molecular Structure file(s) for 2HX2 Structure Factors (561 Kb) Retrieve 2HX2 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2HX2 from S2C, [Save to disk] Re-refined 2hx2 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2HX2 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 2HX2

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 2HX2, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2hx2] [2hx2_A] [2hx2_B] SWISS-PROT database: [P29473] Domain organization of [NOS3_BOVIN] by SWISSPFAM

Other resources with information on 2HX2

Community annotation for 2HX2 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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