2NQI Hydrolase date Oct 31, 2006
title Calpain 1 Proteolytic Core Inactivated By Wr13(R,R), An Epox Type Inhibitor.
authors D.Cuerrier, P.L.Davies, R.L.Campbell, T.Moldoveanu
compound source
Molecule: Calpain-1 Catalytic Subunit
Chain: A
Fragment: Calpain Catalytic Domain, Residues 27-356
Synonym: Calpain-1 Large Subunit, Calcium-Activated Neutral Proteinase 1, Canp 1, Calpain Mu-Type, Mucanp, Micromolar-C
Ec: 3.4.22.52
Engineered: Yes
Organism_scientific: Rattus Norvegicus
Organism_common: Norway Rat
Organism_taxid: 10116
Gene: Capn1, Cls1
Expression_system: Escherichia Coli Bl21
Expression_system_taxid: 511693
Expression_system_strain: Bl21
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet24d
symmetry Space Group: P 21 21 21
R_factor 0.181 R_Free 0.247
crystal
cell
length a length b length c angle alpha angle beta angle gamma
40.369 70.060 110.743 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.04 Å
ligand CA, NQI enzyme Hydrolase E.C.3.4.22.52 BRENDA
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceDevelopment of calpain-specific inactivators by screening of positional scanning epoxide libraries., Cuerrier D, Moldoveanu T, Campbell RL, Kelly J, Yoruk B, Verhelst SH, Greenbaum D, Bogyo M, Davies PL, J Biol Chem. 2007 Mar 30;282(13):9600-11. Epub 2007 Jan 11. PMID:17218315
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (63 Kb) [Save to disk]
  • Biological Unit Coordinates (2nqi.pdb1.gz) 57 Kb
  • LPC: Ligand-Protein Contacts for 2NQI
  • CSU: Contacts of Structural Units for 2NQI
  • Likely Quarternary Molecular Structure file(s) for 2NQI
  • Structure Factors (1103 Kb)
  • Retrieve 2NQI in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2NQI from S2C, [Save to disk]
  • Re-refined 2nqi structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2NQI 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 2NQI
  • 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 2NQI, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2nqi_A] [2nqi]
  • SWISS-PROT database: [P97571]
  • Domain organization of [CAN1_RAT] by SWISSPFAM
  • Domain found in 2NQI: [CysPc ] by SMART
  • Other resources with information on 2NQI
  • Community annotation for 2NQI 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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