2CHP	Dna Binding Protein	date	Mar 16, 2006
title	Crystal Structure Of The Dodecameric Ferritin Mrga From B. S 168
authors	L.O.Essen, A.Morbitzer
compound		source
Molecule: Metalloregulation Dna-Binding Stress Protein Chain: A, B, C, D Synonym: Mrga Engineered: Yes		Organism_scientific: Bacillus Subtilis Subsp. Subtilis Str. Organism_taxid: 224308 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_variant: Gold Expression_system_plasmid: Pet-28a
symmetry	Space Group: P 21 3	R_factor 0.155 R_Free 0.208
crystal cell	length a length b length c angle alpha angle beta angle gamma 125.370 125.370 125.370 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	PO4	enzyme
note	2CHP is a representative structure
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	Morphology of dry solid-supported protein monolayers dependent on the substrate and protein surface properties., Schonafinger A, Morbitzer A, Kress D, Essen LO, Noll F, Hampp N, Langmuir. 2006 Aug 15;22(17):7185-91. PMID:16893214

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (108 Kb) [Save to disk] Biological Unit Coordinates (2chp.pdb1.gz) 303 Kb LPC: Ligand-Protein Contacts for 2CHP CSU: Contacts of Structural Units for 2CHP Likely Quarternary Molecular Structure file(s) for 2CHP Structure Factors (343 Kb) Retrieve 2CHP in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2CHP from S2C, [Save to disk] Re-refined 2chp structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2CHP 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 2CHP

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 2CHP, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2chp] [2chp_C] [2chp_A] [2chp_D] [2chp_B] SWISS-PROT database: [P37960] Domain organization of [MRGA_BACSU] by SWISSPFAM

Other resources with information on 2CHP

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

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