3CI0	Protein Transport	date	Mar 10, 2008
title	The Crystal Structure Of The Gspk-Gspi-Gspj Complex From Enterotoxigenic Escherichia Coli Type 2 Secretion System
authors	K.V.Korotkov, W.G.J.Hol
compound		source
Molecule: Pseudopilin Gspi Chain: I Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Strain: H10407 Gene: Gspi Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pcdf-Nt
Molecule: Pseudopilin Gspj Chain: J Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Strain: H10407 Gene: Gspj Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pcdf-22b
Molecule: Pseudopilin Gspk Chain: K Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Strain: H10407 Gene: Gspk Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pcdf-Nt
symmetry	Space Group: P 41 21 2	R_factor 0.192 R_Free 0.259
crystal cell	length a length b length c angle alpha angle beta angle gamma 96.118 96.118 108.436 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.20 Å
ligand	CA, CL, MSE	enzyme
note	3CI0 is a representative structure
Gene Ontology	Chain Function Process Component I J K
Primary reference	Structure of the GspK-GspI-GspJ complex from the enterotoxigenic Escherichia coli type 2 secretion system., Korotkov KV, Hol WG, Nat Struct Mol Biol. 2008 May;15(5):462-8. Epub 2008 Apr 27. PMID:18438417

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (95 Kb) [Save to disk] Biological Unit Coordinates (3ci0.pdb1.gz) 87 Kb LPC: Ligand-Protein Contacts for 3CI0 CSU: Contacts of Structural Units for 3CI0 Likely Quarternary Molecular Structure file(s) for 3CI0 Structure Factors (191 Kb) Retrieve 3CI0 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3CI0 from S2C, [Save to disk] Re-refined 3ci0 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3CI0 in 3D

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Visual 3D analysis of 3CI0

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 3CI0, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3ci0_K] [3ci0] [3ci0_J] [3ci0_I] SWISS-PROT database: [Q8VLK7] [Q8VPC2] [Q8VPC3] Domain organization of [Q8VLK7_ECOLX] [Q8VPC2_ECOLX] [Q8VPC3_ECOLX] by SWISSPFAM

Other resources with information on 3CI0

Community annotation for 3CI0 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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