1QXP Hydrolase Chimera date Sep 08, 2003
title Crystal Structure Of A Mu-Like Calpain
authors G.P.Pal, T.D.Veyra, J.S.Elce, Z.Jia
compound source
Molecule: Mu-Like Calpain
Chain: A, B
Ec: 3.4.22.52
Engineered: Yes
Mutation: Yes
Other_details: Residues 1-49 From M-Calpain, Residues 60-64 Calpain, Residues 636-700 Of M-Calpain And Residues 83-266 Calcium-Activated Neutral Proteinase.
Organism_scientific: Rattus Norvegicus, Bos Taurus
Organism_common: Norway Rat, Cattle
Organism_taxid: 10116, 9913
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet24
symmetry Space Group: P 1 21 1
R_factor 0.229 R_Free 0.311
crystal
cell
length a length b length c angle alpha angle beta angle gamma
72.738 184.596 86.370 90.00 100.74 90.00
method X-Ray Diffractionresolution 2.80 Å
ligand
enzyme Hydrolase E.C.3.4.22.52 BRENDA
related structures by homologous chain: 1DF0, 1U5I
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceCrystal structure of a micro-like calpain reveals a partially activated conformation with low Ca2+ requirement., Pal GP, De Veyra T, Elce JS, Jia Z, Structure (Camb) 2003 Dec;11(12):1521-6. PMID:14656436
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (257 Kb) [Save to disk]
  • Biological Unit Coordinates (1qxp.pdb1.gz) 126 Kb
  • Biological Unit Coordinates (1qxp.pdb2.gz) 125 Kb
  • CSU: Contacts of Structural Units for 1QXP
  • Likely Quarternary Molecular Structure file(s) for 1QXP
  • Structure Factors (494 Kb)
  • Retrieve 1QXP in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1QXP from S2C, [Save to disk]
  • Re-refined 1qxp structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1QXP 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 1QXP
  • 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 1QXP, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1qxpa4, region A:2-355 [Jmol] [rasmolscript] [script source]
        - Domain d1qxpa3, region A:356-514 [Jmol] [rasmolscript] [script source]
        - Domain d1qxpa2, region A:515-702 [Jmol] [rasmolscript] [script source]
        - Domain d1qxpa1, region A:710-893 [Jmol] [rasmolscript] [script source]
        - Domain d1qxpb4, region B:2-355 [Jmol] [rasmolscript] [script source]
        - Domain d1qxpb3, region B:356-514 [Jmol] [rasmolscript] [script source]
        - Domain d1qxpb2, region B:515-702 [Jmol] [rasmolscript] [script source]
        - Domain d1qxpb1, region B:710-893 [Jmol] [rasmolscript] [script source]
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1qxp_A] [1qxp_B] [1qxp]
  • SWISS-PROT database: [P97571] [Q07009]
  • Domain organization of [CAN1_RAT] [CAN2_RAT] by SWISSPFAM
  • Domains found in 1QXP: [CysPc] [EFh] [calpain_III ] by SMART
  • Other resources with information on 1QXP
  • Community annotation for 1QXP 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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