3CXB	Signaling Protein	date	Apr 24, 2008
title	Crystal Structure Of Sifa And Skip
authors	Z.Huang, J.Chai
compound		source
Molecule: Protein Sifa Chain: A Engineered: Yes		Organism_scientific: Salmonella Typhimurium Organism_taxid: 602 Gene: Sifa, Stm1224 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet28b
Molecule: Pleckstrin Homology Domain-Containing Family M Me Chain: B Fragment: Ph Motif, Unp Residues 773-884 Synonym: Salmonella-Induced Filaments A And Kinesin-Interac Protein, Sifa And Kinesin-Interacting Protein, Skip; Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Plekhm2, Kiaa0842, Skip Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgex6p-1
symmetry	Space Group: P 21 21 2	R_factor 0.258 R_Free 0.288
crystal cell	length a length b length c angle alpha angle beta angle gamma 91.690 110.679 45.533 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.60 Å
note	3CXB is a representative structure
Gene Ontology	Chain Function Process Component A
Primary reference	Structure and function of Salmonella SifA indicate that its interactions with SKIP, SseJ, and RhoA family GTPases induce endosomal tubulation., Ohlson MB, Huang Z, Alto NM, Blanc MP, Dixon JE, Chai J, Miller SI, Cell Host Microbe. 2008 Nov 13;4(5):434-46. PMID:18996344

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (73 Kb) [Save to disk] Biological Unit Coordinates (3cxb.pdb1.gz) 52 Kb Biological Unit Coordinates (3cxb.pdb2.gz) 18 Kb CSU: Contacts of Structural Units for 3CXB Likely Quarternary Molecular Structure file(s) for 3CXB Structure Factors (218 Kb) Retrieve 3CXB in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3CXB from S2C, [Save to disk] Re-refined 3cxb structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3CXB 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 3CXB

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 3CXB, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3cxb] [3cxb_] [3cxb_B] [3cxb_A] SWISS-PROT database: [Q8IWE5] [Q56061] Domain organization of [PKHM2_HUMAN] [SIFA_SALTY] by SWISSPFAM Domain found in 3CXB: [PH ] by SMART

Other resources with information on 3CXB

Community annotation for 3CXB at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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