2B5A	Gene Regulation	date	Sep 28, 2005
title	C.Bcli, Control Element Of The Bcli Restriction-Modification
authors	M.R.Sawaya, Z.Zhu, F.Mersha, S.H.Chan, R.Dabur, S.Y.Xu, G.K.Balend
compound		source
Molecule: C.Bcli Chain: A, B, C, D Engineered: Yes		Organism_scientific: Bacillus Caldolyticus Organism_taxid: 1394 Gene: Bclic Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Er2683 Expression_system_vector_type: Plasmid Expression_system_plasmid: Litmus28
symmetry	Space Group: P 21 21 2	R_factor 0.165 R_Free 0.201
crystal cell	length a length b length c angle alpha angle beta angle gamma 63.205 65.016 73.296 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.54 Å
ligand	ACY	enzyme
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	Crystal structure of the restriction-modification system control element C.Bcll and mapping of its binding site., Sawaya MR, Zhu Z, Mersha F, Chan SH, Dabur R, Xu SY, Balendiran GK, Structure. 2005 Dec;13(12):1837-47. PMID:16338412

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (58 Kb) [Save to disk] Biological Unit Coordinates (2b5a.pdb1.gz) 27 Kb Biological Unit Coordinates (2b5a.pdb2.gz) 27 Kb LPC: Ligand-Protein Contacts for 2B5A CSU: Contacts of Structural Units for 2B5A Likely Quarternary Molecular Structure file(s) for 2B5A Structure Factors (656 Kb) Retrieve 2B5A in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2B5A from S2C, [Save to disk] Re-refined 2b5a structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

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Visual 3D analysis of 2B5A

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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 2B5A, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2b5a_A] [2b5a] [2b5a_B] [2b5a_D] [2b5a_C] SWISS-PROT database: Domain organization of by SWISSPFAM Domain found in 2B5A: [HTH_XRE ] by SMART

Other resources with information on 2B5A

Community annotation for 2B5A at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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