1NP8 Hydrolase date Jan 17, 2003
title 18-K C-Terminally Trunucated Small Subunit Of Calpain
authors E.K.Leinala, J.S.Arthur, P.Grochulski, P.L.Davies, J.S.Elce, Z.Ji
compound source
Molecule: Calcium-Dependent Protease, Small Subunit
Chain: A, B
Fragment: Residues 87-245
Synonym: Calpain Regulatory Subunit, Calcium-Activated Neut Proteinase, Canp, Fragment;
Engineered: Yes
Organism_scientific: Rattus Norvegicus
Organism_common: Norway Rat
Organism_taxid: 10116
Gene: Capns1 Or Capn4 Or Css1
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: P 21 21 21
R_factor 0.196 R_Free 0.239
crystal
cell
length a length b length c angle alpha angle beta angle gamma
58.040 67.570 75.070 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.00 Å
ligand CD enzyme
related structures by homologous chain: 1ALV, 1NX1
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceA second binding site revealed by C-terminal truncation of calpain small subunit, a penta-EF-hand protein., Leinala EK, Arthur JS, Grochulski P, Davies PL, Elce JS, Jia Z, Proteins 2003 Nov 15;53(3):649-55. PMID:14579356
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (59 Kb) [Save to disk]
  • Biological Unit Coordinates (1np8.pdb1.gz) 53 Kb
  • LPC: Ligand-Protein Contacts for 1NP8
  • CSU: Contacts of Structural Units for 1NP8
  • Likely Quarternary Molecular Structure file(s) for 1NP8
  • Structure Factors (315 Kb)
  • Retrieve 1NP8 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1NP8 from S2C, [Save to disk]
  • Re-refined 1np8 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1NP8 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 1NP8
  • 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 1NP8, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1np8a_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1np8b_, region B [Jmol] [rasmolscript] [script source]
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1np8_B] [1np8] [1np8_A]
  • SWISS-PROT database: [Q64537]
  • Domain organization of [CPNS1_RAT] by SWISSPFAM
  • Domain found in 1NP8: [EFh ] by SMART
  • Other resources with information on 1NP8
  • Community annotation for 1NP8 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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