2GCT Hydrolase Peptide date Sep 04, 1990
title Structure Of Gamma-Chymotrypsin In The Range Ph 2.0 To Ph 10 Suggests That Gamma-Chymotrypsin Is A Covalent Acyl-Enzyme Low Ph
authors M.M.Dixon, B.W.Matthews
compound source
Molecule: Gamma-Chymotrypsin A
Chain: A
Organism_scientific: Bos Taurus
Organism_taxid: 9913

Molecule: Gamma-Chymotrypsin A
Chain: B

Organism_scientific: Bos Taurus
Organism_taxid: 9913

Molecule: Gamma-Chymotrypsin A
Chain: C

Organism_scientific: Bos Taurus
Organism_taxid: 9913

Molecule: Tetrapeptide Adduct
Chain: D
Engineered: Yes

symmetry Space Group: P 42 21 2
R_factor 0.169 R_Free NULL
length a length b length c angle alpha angle beta angle gamma
69.800 69.800 98.100 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.80 Å
ligand SO4 enzyme Hydrolase E.C. BRENDA
related structures by homologous chain: 1CHO, 2CGA


Primary referenceStructure of gamma-chymotrypsin in the range pH 2.0 to pH 10.5 suggests that gamma-chymotrypsin is a covalent acyl-enzyme adduct at low pH., Dixon MM, Brennan RG, Matthews BW, Int J Biol Macromol 1991 Apr;13(2):89-96. PMID:1888717
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (45 Kb) [Save to disk]
  • Biological Unit Coordinates (2gct.pdb1.gz) 79 Kb
  • LPC: Ligand-Protein Contacts for 2GCT
  • CSU: Contacts of Structural Units for 2GCT
  • Likely Quarternary Molecular Structure file(s) for 2GCT
  • Structure Factors (99 Kb)
  • Retrieve 2GCT in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2GCT from S2C, [Save to disk]
  • Re-refined 2gct structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2GCT 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 2GCT
  • Cartoon representation from PDB Cartoon
  • 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
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 2GCT, from MSDmotif at EBI
  • Genome occurence of 2GCT's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d2gcta_, region A [Jmol] [rasmolscript] [script source]
  • Fold representative 2gct 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: [2gct_D] [2gct_C] [2gct_A] [2gct_B] [2gct]
  • SWISS-PROT database: [P00766]
  • Domain organization of [CTRA_BOVIN] by SWISSPFAM
  • Domain found in 2GCT: [Tryp_SPc ] by SMART
  • Other resources with information on 2GCT
  • Community annotation for 2GCT 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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