1Z7B	Hydrolase	date	Mar 24, 2005
title	Crystal Structure Of E.Coli Arna Dehydrogenase (Decarboxylas R619e Mutant
authors	P.Z.Gatzeva-Topalova, A.P.May, M.C.Sousa
compound		source
Molecule: Protein Arna Chain: A Fragment: Dehydrogenase Domain Synonym: Hypothetical Protein Yfbg Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Pmri, Yfbg Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Rosetta (De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pms122 Other_details: Plasmid Is An Engineered Variant Of The Pet2
symmetry	Space Group: P 41 3 2	R_factor 0.200 R_Free 0.224
crystal cell	length a length b length c angle alpha angle beta angle gamma 150.253 150.253 150.253 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.31 Å
ligand	SO4	enzyme
related structures	by homologous chain: 1Z75, 2BLL
Gene Ontology	Chain Function Process Component A
Primary reference	Structure and Mechanism of ArnA: Conformational Change Implies Ordered Dehydrogenase Mechanism in Key Enzyme for Polymyxin Resistance., Gatzeva-Topalova PZ, May AP, Sousa MC, Structure (Camb) 2005 Jun;13(6):929-42. PMID:15939024

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (61 Kb) [Save to disk] Biological Unit Coordinates (1z7b.pdb1.gz) 55 Kb LPC: Ligand-Protein Contacts for 1Z7B CSU: Contacts of Structural Units for 1Z7B Likely Quarternary Molecular Structure file(s) for 1Z7B Structure Factors (209 Kb) Retrieve 1Z7B in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1Z7B from S2C, [Save to disk] Re-refined 1z7b structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1Z7B 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 1Z7B

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 1Z7B, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1z7b_A] [1z7b] SWISS-PROT database: [P77398] Domain organization of [ARNA_ECOLI] by SWISSPFAM

Other resources with information on 1Z7B

Community annotation for 1Z7B at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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