2R28 Metal Binding Protein Hydrolase date Aug 24, 2007
title The Complex Structure Of Calmodulin Bound To A Calcineurin Peptide
authors Q.Ye, J.Zheng, Z.Jia
compound source
Molecule: Calmodulin
Chain: A, B
Fragment: Calmodulin-Binding Domain
Synonym: Cam
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Strain: Homo Sapiens
Gene: Calm1, Calm, Cam, Cam1
Expression_system: Escherichia Coli
Expression_system_strain: Bl21 (De3)

Molecule: Serinethreonine-Protein Phosphatase 2b Catalytic Subunit Alpha Isoform;
Chain: C, D
Synonym: Calmodulin-Dependent Calcineurin A Subunit Alpha Isoform, Cam-Prp Catalytic Subunit;
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Strain: Bos Taurus
Gene: Ppp3ca, Calna, Cna
Expression_system: Escherichia Coli
Expression_system_strain: Bl21 (De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet21a_ccit
symmetry Space Group: C 1 2 1
R_factor 0.230 R_Free 0.280
length a length b length c angle alpha angle beta angle gamma
120.700 43.200 70.900 90.00 109.90 90.00
method X-Ray Diffractionresolution 1.86 Å
ligand CA enzyme Hydrolase E.C. BRENDA
A, B

Primary referenceThe complex structure of calmodulin bound to a calcineurin peptide., Ye Q, Wang H, Zheng J, Wei Q, Jia Z, Proteins. 2008 Apr 2;. PMID:18384083
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (63 Kb) [Save to disk]
  • Biological Unit Coordinates (2r28.pdb1.gz) 57 Kb
  • LPC: Ligand-Protein Contacts for 2R28
  • CSU: Contacts of Structural Units for 2R28
  • Likely Quarternary Molecular Structure file(s) for 2R28
  • Structure Factors (203 Kb)
  • Retrieve 2R28 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2R28 from S2C, [Save to disk]
  • Re-refined 2r28 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2R28 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 2R28
  • 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 2R28, from MSDmotif at EBI
  • Fold representative 2r28 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2r28_B] [2r28_D] [2r28_C] [2r28_A] [2r28]
  • SWISS-PROT database: [P62158] [Q08209]
  • Belongs to the calmodulin calcium binding protein (calmodulin) family according to TCDB.
  • Domain organization of [CALM_HUMAN] [PP2BA_HUMAN] by SWISSPFAM
  • Domain found in 2R28: [EFh ] by SMART
  • Other resources with information on 2R28
  • Community annotation for 2R28 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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