1XKP	Membrane Protein Chaperon	date	Sep 29, 2004
title	Crystal Structure Of The Virulence Factor Yopn In Complex Wi Heterodimeric Chaperone Sycn-Yscb
authors	F.D.Schubot, M.W.Jackson, K.J.Penrose, S.Cherry, J.E.Tropea, G.V. D.S.Waugh
compound		source
Molecule: Putative Membrane-Bound Yop Targeting Protein Yop Chain: A Fragment: Residues 32-277 Engineered: Yes Mutation: Yes		Organism_scientific: Yersinia Pestis Organism_taxid: 632 Gene: Yopn Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pdest42
Molecule: Chaperone Protein Sycn Chain: B Engineered: Yes Mutation: Yes		Organism_scientific: Yersinia Pestis Organism_taxid: 632 Gene: Sycn Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pdest42
Molecule: Chaperone Protein Yscb Chain: C Synonym: Yop Proteins Translocation Protein B Engineered: Yes Mutation: Yes		Organism_scientific: Yersinia Pestis Organism_taxid: 632 Gene: Yscb Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pdest42
symmetry	Space Group: P 41	R_factor 0.198 R_Free 0.242
crystal cell	length a length b length c angle alpha angle beta angle gamma 60.718 60.718 140.419 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.70 Å
ligand	DMG, MLY	enzyme
note	1XKP is a representative structure
Gene Ontology	Chain Function Process Component A B C
Primary reference	Three-dimensional structure of a macromolecular assembly that regulates type III secretion in Yersinia pestis., Schubot FD, Jackson MW, Penrose KJ, Cherry S, Tropea JE, Plano GV, Waugh DS, J Mol Biol 2005 Mar 4;346(4):1147-61. Epub 2005 Jan 20. PMID:15701523

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (89 Kb) [Save to disk] Biological Unit Coordinates (1xkp.pdb1.gz) 80 Kb LPC: Ligand-Protein Contacts for 1XKP CSU: Contacts of Structural Units for 1XKP Likely Quarternary Molecular Structure file(s) for 1XKP Structure Factors (402 Kb) Retrieve 1XKP in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1XKP from S2C, [Save to disk] Re-refined 1xkp structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1XKP 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 1XKP

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 1XKP, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1xkp_B] [1xkp_A] [1xkp_C] [1xkp] SWISS-PROT database: [P61380] [P68640] [Q56973] Domain organization of [SYCN_YERPE] [YOPN_YERPE] [YSCB_YERPE] by SWISSPFAM

Other resources with information on 1XKP

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

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