2P5T	Transcription Regulator	date	Mar 16, 2007
title	Molecular And Structural Characterization Of The Pezat Chrom Toxin-Antitoxin System Of The Human Pathogen Streptococcus
authors	B.Loll, A.Meinhart
compound		source
Molecule: Fragment Of Peza Helix-Turn-Helix Motif Chain: X Engineered: Yes		Organism_scientific: Streptococcus Pneumoniae Organism_taxid: 1313 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3)Codon Plus-Ril Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet28b
Molecule: Putative Transcriptional Regulator Peza Chain: A, C, E, G Engineered: Yes		Organism_scientific: Streptococcus Pneumoniae Organism_taxid: 170187 Strain: Tigr4 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3)Codon Plus-Ril Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet28b
Molecule: Pezt Chain: B, D, F, H Engineered: Yes		Organism_scientific: Streptococcus Pneumoniae Organism_taxid: 1313 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3)Codon Plus-Ril Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet28b
symmetry	Space Group: P 21 21 21	R_factor 0.214 R_Free 0.277
crystal cell	length a length b length c angle alpha angle beta angle gamma 80.520 102.860 254.440 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	3.20 Å
note	2P5T is a representative structure
Gene Ontology	Chain Function Process Component A, E, C, G F, B, H, D
Primary reference	Molecular and structural characterization of the PezAT chromosomal toxin-antitoxin system of the human pathogen Streptococcus pneumoniae., Khoo SK, Loll B, Chan WT, Shoeman RL, Ngoo L, Yeo CC, Meinhart A, J Biol Chem. 2007 Jul 6;282(27):19606-18. Epub 2007 May 8. PMID:17488720

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (223 Kb) [Save to disk] Biological Unit Coordinates (2p5t.pdb1.gz) 108 Kb Biological Unit Coordinates (2p5t.pdb2.gz) 110 Kb Biological Unit Coordinates (2p5t.pdb3.gz) 107 Kb CSU: Contacts of Structural Units for 2P5T Likely Quarternary Molecular Structure file(s) for 2P5T Structure Factors (438 Kb) Retrieve 2P5T in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2P5T from S2C, [Save to disk] Re-refined 2p5t structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2P5T 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 2P5T

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 2P5T, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2p5t_D] [2p5t_A] [2p5t_F] [2p5t_E] [2p5t_B] [2p5t_C] [2p5t_G] [2p5t_H] [2p5t_X] [2p5t] SWISS-PROT database: [Q97QZ1] [Q97QZ2] Domain organization of [Q97QZ1_STRPN] [Q97QZ2_STRPN] by SWISSPFAM Domain found in 2P5T: [HTH_XRE ] by SMART

Other resources with information on 2P5T

Community annotation for 2P5T at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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