3IEC	Signaling Protein Toxin	date	Jul 22, 2009
title	Helicobacter Pylori Caga Inhibits Par1mark Family Kinases B Mimicking Host Substrates
authors	C.E.Stebbins, D.Nesic, M.Miller
compound		source
Molecule: Serinethreonine-Protein Kinase Mark2 Chain: A, B, C, D Fragment: Unp Residues 49-363 Synonym: Mapmicrotubule Affinity-Regulating Kinase 2, Elkl Kinase, Emk1, Par1 Homolog; Ec: 2.7.11.1 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Caga, Emk1, Mark2 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Cytotoxicity-Associated Immunodominant Antigen Chain: E, F, G, H Fragment: Unp Residues 885-1005 Synonym: 120 Kda Protein Engineered: Yes		Organism_scientific: Helicobacter Pylori Organism_common: Campylobacter Pylori Organism_taxid: 210 Strain: Strain 26695 Gene: Caga, Cai Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 1 21 1	R_factor 0.204 R_Free 0.248
crystal cell	length a length b length c angle alpha angle beta angle gamma 93.466 93.256 113.955 90.00 100.94 90.00
method	X-Ray Diffraction	resolution	2.20 Å
ligand		enzyme	Transferase E.C.2.7.11.1 BRENDA
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	Helicobacter pylori CagA inhibits PAR1-MARK family kinases by mimicking host substrates., Nesic D, Miller MC, Quinkert ZT, Stein M, Chait BT, Stebbins CE, Nat Struct Mol Biol. 2010 Jan;17(1):130-2. Epub 2009 Dec 6. PMID:19966800

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (231 Kb) [Save to disk] Biological Unit Coordinates (3iec.pdb1.gz) 58 Kb Biological Unit Coordinates (3iec.pdb2.gz) 58 Kb Biological Unit Coordinates (3iec.pdb3.gz) 58 Kb Biological Unit Coordinates (3iec.pdb4.gz) 58 Kb CSU: Contacts of Structural Units for 3IEC Structure Factors (726 Kb) Retrieve 3IEC in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3IEC from S2C, [Save to disk] Re-refined 3iec structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3IEC 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 3IEC

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 3IEC, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3iec_C] [3iec_E] [3iec_F] [3iec_A] [3iec] [3iec_B] [3iec_G] [3iec_D] [3iec_H] SWISS-PROT database: [P55980] [Q7KZI7] Domain organization of [CAGA_HELPY] [MARK2_HUMAN] by SWISSPFAM Domains found in 3IEC: [S_TKc] [UBA ] by SMART

Other resources with information on 3IEC

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

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