3SGA Hydrolase Hydrolase Inhibitor date May 29, 1990
title Structures Of Product And Inhibitor Complexes Of Streptomyce Protease A At 1.8 Angstroms Resolution. A Model For Serine Catalysis
authors A.R.Sielecki, M.N.G.James
compound source
Molecule: Proteinase A (Sgpa)
Chain: E
Engineered: Yes
 Organism_scientific: Streptomyces Griseus
Organism_taxid: 1911
Gene: Spra

Molecule: Ace-Pro-Ala-Pro-Phe-Aldehyde
Chain: P
Engineered: Yes
Synthetic: Yes
symmetry Space Group: P 42
R_factor
R_Free NULL
crystal
cell
length a length b length c angle alpha angle beta angle gamma
55.180 55.180 54.660 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.80 Å
ligand ACE, PHL enzyme
related structures by homologous chain: 1SGC, 4SGA
Gene
Ontology
ChainFunctionProcessComponent
E


Primary referenceStructures of product and inhibitor complexes of Streptomyces griseus protease A at 1.8 A resolution. A model for serine protease catalysis., James MN, Sielecki AR, Brayer GD, Delbaere LT, Bauer CA, J Mol Biol 1980 Nov 25;144(1):43-88. PMID:6783761
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (35 Kb) [Save to disk]
  • Biological Unit Coordinates (3sga.pdb1.gz) 32 Kb
  • LPC: Ligand-Protein Contacts for 3SGA
  • CSU: Contacts of Structural Units for 3SGA
  • Likely Quarternary Molecular Structure file(s) for 3SGA
  • Retrieve 3SGA in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3SGA from S2C, [Save to disk]
    • View 3SGA 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 3SGA
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 3SGA, from MSDmotif at EBI
  • Genome occurence of 3SGA's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d3sgae_, region E [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: [3sga_P] [3sga_E] [3sga]
  • SWISS-PROT database: [P00776]
  • Domain organization of [PRTA_STRGR] by SWISSPFAM
  • Domain found in 3SGA: [Tryp_SPc ] by SMART
    • Other resources with information on 3SGA
  • Community annotation for 3SGA 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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