3DW8	Hydrolase Hydrolase Inhibitor	date	Jul 21, 2008
title	Structure Of A Protein Phosphatase 2a Holoenzyme With B55 Su
authors	Y.Xu, Y.Chen, P.Zhang, P.D.Jeffrey, Y.Shi
compound		source
Molecule: Serinethreonine-Protein Phosphatase 2a 65 Kda Re Subunit A Alpha Isoform; Chain: A, D Fragment: A Delta 8: Residues 9-589 Synonym: Pp2a, Subunit A, Pr65-Alpha Isoform, Pp2a, Subunit Alpha Isoform, Medium Tumor Antigen-Associated 61 Kda Prote Engineered: Yes		Organism_scientific: Homo Sapiens Organism_taxid: 9606 Gene: Ppp2r1a Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Serinethreonine-Protein Phosphatase 2a 55 Kda Re Subunit B Alpha Isoform; Chain: B, E Synonym: Pp2a, Subunit B, B-Alpha Isoform, Pp2a, Subunit B, Isoform, Pp2a, Subunit B, Pr55-Alpha Isoform, Pp2a, Subunit Alpha Isoform; Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_taxid: 9606 Gene: Ppp2r2a Expression_system: Spodoptera Frugiperda Expression_system_taxid: 7108 Expression_system_cell_line: Sf9 Expression_system_vector_type: Baculovirus Expression_system_vector: Pbac2
Molecule: Serinethreonine-Protein Phosphatase 2a Catalytic Alpha Isoform; Chain: C, F Synonym: Pp2a-Alpha, Replication Protein C, Rp-C Ec: 3.1.3.16 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_taxid: 9606 Gene: Ppp2ca Expression_system: Spodoptera Frugiperda Expression_system_taxid: 7108 Expression_system_cell_line: Sf9 Expression_system_vector_type: Baculovirus Expression_system_vector: Pbac2
Molecule: Microcystin Lr Chain: G, H Engineered: Yes		Synthetic: Yes Organism_scientific: Cyanobacteria Organism_taxid: 1117
symmetry	Space Group: C 1 2 1	R_factor 0.228 R_Free 0.285
crystal cell	length a length b length c angle alpha angle beta angle gamma 247.340 121.390 172.480 90.00 132.60 90.00
method	X-Ray Diffraction	resolution	2.85 Å
ligand	1ZN, ACB, DAL, DAM, FGA, MN	enzyme	Hydrolase E.C.3.1.3.16 BRENDA
Gene Ontology	Chain Function Process Component A, D protein phosphatase regulato... E, B protein phosphatase regulato... F, C
Primary reference	Structure of a protein phosphatase 2A holoenzyme: insights into B55-mediated Tau dephosphorylation., Xu Y, Chen Y, Zhang P, Jeffrey PD, Shi Y, Mol Cell. 2008 Sep 26;31(6):873-85. PMID:18922469

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (419 Kb) [Save to disk] Biological Unit Coordinates (3dw8.pdb1.gz) 210 Kb Biological Unit Coordinates (3dw8.pdb2.gz) 209 Kb LPC: Ligand-Protein Contacts for 3DW8 CSU: Contacts of Structural Units for 3DW8 Likely Quarternary Molecular Structure file(s) for 3DW8 Structure Factors (631 Kb) Retrieve 3DW8 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3DW8 from S2C, [Save to disk] Re-refined 3dw8 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3DW8 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 3DW8

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 3DW8, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3dw8_E] [3dw8_D] [3dw8] [3dw8_F] [3dw8_A] [3dw8_G] [3dw8_H] [3dw8_B] [3dw8_C] SWISS-PROT database: [P30153] [P63151] [P67775] Domain organization of [2AAA_HUMAN] [2ABA_HUMAN] [PP2AA_HUMAN] by SWISSPFAM Domains found in 3DW8: [PP2Ac] [WD40 ] by SMART

Other resources with information on 3DW8

Community annotation for 3DW8 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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