3E7A Hydrolase Hydrolase Inhibitor date Aug 18, 2008
title Crystal Structure Of Protein Phosphatase-1 Bound To The Natu Nodularin-R
authors M.S.Kelker, R.Page, W.Peti
compound source
Molecule: Serinethreonine-Protein Phosphatase Pp1-Alpha Ca Subunit;
Chain: A, B
Fragment: Residues 7-300
Synonym: Pp-1a
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Ppp1ca, Ppp1a
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21 (De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: In House Derived

Molecule: Nodularin R
Chain: C, D
Engineered: Yes

Synthetic: Yes
Organism_scientific: Nodularia Spumigena
Organism_taxid: 70799
symmetry Space Group: P 21 21 21
R_factor 0.143 R_Free 0.169
length a length b length c angle alpha angle beta angle gamma
65.354 77.274 132.444 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.63 Å
ligand 1ZN, ACB, AZI, CL, FGA, GOL, IOD, MDH, MN enzyme Hydrolase E.C. BRENDA
A, B

Primary referenceCrystal structures of protein phosphatase-1 bound to nodularin-R and tautomycin: a novel scaffold for structure-based drug design of serine/threonine phosphatase inhibitors., Kelker MS, Page R, Peti W, J Mol Biol. 2009 Jan 9;385(1):11-21. Epub 2008 Nov 1. PMID:18992256
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (125 Kb) [Save to disk]
  • Biological Unit Coordinates (3e7a.pdb1.gz) 60 Kb
  • Biological Unit Coordinates (3e7a.pdb2.gz) 59 Kb
  • LPC: Ligand-Protein Contacts for 3E7A
  • CSU: Contacts of Structural Units for 3E7A
  • Likely Quarternary Molecular Structure file(s) for 3E7A
  • Structure Factors (1754 Kb)
  • Retrieve 3E7A in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3E7A from S2C, [Save to disk]
  • Re-refined 3e7a structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3E7A 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 3E7A
  • Cartoon representation from PDB Cartoon
  • 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
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 3E7A, from MSDmotif at EBI
  • Fold representative 3e7a from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3e7a_D] [3e7a] [3e7a_A] [3e7a_C] [3e7a_B]
  • SWISS-PROT database: [P62136]
  • Domain organization of [PP1A_HUMAN] by SWISSPFAM
  • Domain found in 3E7A: [PP2Ac ] by SMART
  • Other resources with information on 3E7A
  • Community annotation for 3E7A at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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