5CHA Hydrolase (Serine Proteinase) date Jan 22, 1985
title The Refinement And The Structure Of The Dimer Of Alpha- Chymotrypsin At 1.67-Angstroms Resolution
authors R.A.Blevins, A.Tulinsky
compound source
Molecule: Alpha-Chymotrypsin A
Chain: A, E
Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913

Molecule: Alpha-Chymotrypsin A
Chain: B, F

Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913

Molecule: Alpha-Chymotrypsin A
Chain: C, G

Organism_scientific: Bos Taurus
Organism_common: Cattle
Organism_taxid: 9913
symmetry Space Group: P 1 21 1
length a length b length c angle alpha angle beta angle gamma
49.290 67.480 65.940 90.00 102.02 90.00
method X-Ray Diffractionresolution 1.67 Å
enzyme Hydrolase E.C. BRENDA
note 5CHA supersedes 3CHA
related structures by homologous chain: 3VGC, 8GCH
C, G

F, B

Primary referenceThe refinement and the structure of the dimer of alpha-chymotrypsin at 1.67-A resolution., Blevins RA, Tulinsky A, J Biol Chem 1985 Apr 10;260(7):4264-75. PMID:3980476
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (81 Kb) [Save to disk]
  • Biological Unit Coordinates (5cha.pdb1.gz) 76 Kb
  • CSU: Contacts of Structural Units for 5CHA
  • Likely Quarternary Molecular Structure file(s) for 5CHA
  • Retrieve 5CHA in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 5CHA from S2C, [Save to disk]
  • View 5CHA 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 5CHA
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 5CHA, from MSDmotif at EBI
  • Genome occurence of 5CHA's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d5chaa_, region A [Jmol] [rasmolscript] [script source]
        - Domain d5chab_, region B [Jmol] [rasmolscript] [script source]
  • Fold representative 5cha from FSSP and Dali (Families of Structurally Similar Proteins)
  • 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: [5cha_A] [5cha_E] [5cha_C] [5cha_F] [5cha_B] [5cha] [5cha_G]
  • SWISS-PROT database: [P00766]
  • Domain organization of [CTRA_BOVIN] by SWISSPFAM
  • Domain found in 5CHA: [Tryp_SPc ] by SMART
  • Other resources with information on 5CHA
  • Community annotation for 5CHA 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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