4CPA Hydrolase (C-Terminal Peptidase) date Mar 24, 1982
title Refined Crystal Structure Of The Potato Inhibitor Complex Of Carboxypeptidase A At 2.5 Angstroms Resolution
authors W.N.Lipscomb, D.C.Rees
compound source
Molecule: Carboxypeptidase A
Chain: A, B
Ec: 3.4.17.1
Engineered: Yes
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913

Molecule: Metallocarboxypeptidase Inhibitor
Chain: I, J
Engineered: Yes

Organism_scientific: Solanum Tuberosum
Organism_common: Potato
Organism_taxid: 4113
symmetry Space Group: P 32
R_factor
R_Free NULL
crystal
cell
length a length b length c angle alpha angle beta angle gamma
53.450 53.450 218.500 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.50 Å
ligand GLY, ZN enzyme Hydrolase E.C.3.4.17.1 BRENDA
note 4CPA is a representative structure
related structures by homologous chain: 1H20, 1PYT
Gene
Ontology
ChainFunctionProcessComponent
A, B


J, I
  • enzyme inhibitor activity
  • endopeptidase inhibitor acti...


  • Primary referenceRefined crystal structure of the potato inhibitor complex of carboxypeptidase A at 2.5 A resolution., Rees DC, Lipscomb WN, J Mol Biol 1982 Sep 25;160(3):475-98. PMID:7154070
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (110 Kb) [Save to disk]
  • Biological Unit Coordinates (4cpa.pdb1.gz) 53 Kb
  • Biological Unit Coordinates (4cpa.pdb2.gz) 53 Kb
  • LPC: Ligand-Protein Contacts for 4CPA
  • CSU: Contacts of Structural Units for 4CPA
  • Likely Quarternary Molecular Structure file(s) for 4CPA
  • Retrieve 4CPA in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4CPA from S2C, [Save to disk]
  • View 4CPA 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 4CPA
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 4CPA, from MSDmotif at EBI
  • Genome occurence of 4CPA's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d4cpa__, region [Jmol] [rasmolscript] [script source]
        - Domain d4cpai_, region I [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: [4cpa_J] [4cpa_A] [4cpa_I] [4cpa_B] [4cpa]
  • SWISS-PROT database: [P00730] [P01075]
  • Domain organization of [CBPA1_BOVIN] [MCPI_SOLTU] by SWISSPFAM
  • Domain found in 4CPA: [Zn_pept ] by SMART
  • Other resources with information on 4CPA
  • Community annotation for 4CPA 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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