2HCB	Replication	date	Jun 15, 2006
title	Structure Of Amppcp-Bound Dnaa From Aquifex Aeolicus
authors	J.P.Erzberger, M.L.Mott, J.M.Berger
compound		source
Molecule: Chromosomal Replication Initiator Protein Dnaa Chain: A, B, C, D Engineered: Yes		Organism_scientific: Aquifex Aeolicus Organism_taxid: 63363 Gene: Dnaa Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21-Ril Expression_system_vector_type: Modified Pet Vector Expression_system_plasmid: Psv272
symmetry	Space Group: P 21 21 21	R_factor 0.266 R_Free 0.298
crystal cell	length a length b length c angle alpha angle beta angle gamma 99.076 117.714 200.994 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	3.51 Å
ligand	ACP, MG	enzyme
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	Structural basis for ATP-dependent DnaA assembly and replication-origin remodeling., Erzberger JP, Mott ML, Berger JM, Nat Struct Mol Biol. 2006 Jul 9;. PMID:16829961

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (219 Kb) [Save to disk] Biological Unit Coordinates (2hcb.pdb1.gz) 212 Kb LPC: Ligand-Protein Contacts for 2HCB CSU: Contacts of Structural Units for 2HCB Likely Quarternary Molecular Structure file(s) for 2HCB Structure Factors (230 Kb) Retrieve 2HCB in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2HCB from S2C, [Save to disk] Re-refined 2hcb structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2HCB 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 2HCB

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 2HCB, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2hcb_B] [2hcb] [2hcb_D] [2hcb_C] [2hcb_A] SWISS-PROT database: [O66659] Domain organization of [DNAA_AQUAE] by SWISSPFAM Domains found in 2HCB: [AAA] [Bac_DnaA_C ] by SMART

Other resources with information on 2HCB

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

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