2IXP	Isomerase Isomerase Inhibitor	date	Jul 09, 2006
title	Crystal Structure Of The Pp2a Phosphatase Activator Ypa1 Ptp Complex With Model Substrate
authors	N.Leulliot, G.Vicentini, J.Jordens, S.Quevillon-Cheruel, M.Schil D.Barford, H.Van Tilbeurgh, J.Goris
compound		source
Molecule: Serinethreonine-Protein Phosphatase 2a Activator Chain: A, B, C, D Fragment: 1-317 Synonym: Ptpa1, Peptidyl-Prolyl Cis-Trans Isomerase Ptpa-1, Ptpa-1, Rotamase Ptpa-1, Phosphotyrosyl Phosphatase Activat Engineered: Yes		Organism_scientific: Saccharomyces Cerevisiae Organism_common: Baker'S Yeast Organism_taxid: 4932 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_variant: Gold Expression_system_vector_type: Plasmid Expression_system_vector: Pet9
Molecule: Sin-Ala-Ala-Pro-Lys-Nit Chain: F, G, H, I Engineered: Yes		Synthetic: Yes Organism_scientific: Synthetic Construct Organism_taxid: 32630
symmetry	Space Group: P 65	R_factor 0.229 R_Free 0.302
crystal cell	length a length b length c angle alpha angle beta angle gamma 86.886 86.886 410.626 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.80 Å
ligand	CL, NIT, SIN, SO4	enzyme
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	Crystal structure of the PP2A phosphatase activator: implications for its PP2A-specific PPIase activity., Leulliot N, Vicentini G, Jordens J, Quevillon-Cheruel S, Schiltz M, Barford D, van Tilbeurgh H, Goris J, Mol Cell. 2006 Aug 4;23(3):413-24. PMID:16885030

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (185 Kb) [Save to disk] Biological Unit Coordinates (2ixp.pdb1.gz) 90 Kb Biological Unit Coordinates (2ixp.pdb2.gz) 91 Kb LPC: Ligand-Protein Contacts for 2IXP CSU: Contacts of Structural Units for 2IXP Likely Quarternary Molecular Structure file(s) for 2IXP Structure Factors (613 Kb) Retrieve 2IXP in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2IXP from S2C, [Save to disk] Re-refined 2ixp structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2IXP 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 2IXP

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 2IXP, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2ixp_C] [2ixp_I] [2ixp_H] [2ixp_A] [2ixp] [2ixp_D] [2ixp_F] [2ixp_G] [2ixp_B] SWISS-PROT database: [P40454] Domain organization of [PTPA1_YEAST] by SWISSPFAM

Other resources with information on 2IXP

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

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