1GA6

CRYSTAL STRUCTURE ANALYSIS OF PSCP (PSEUDOMONAS SERINE-CARBOXYL PROTEINASE) COMPLEXED WITH A FRAGMENT OF TYROSTATIN (THIS ENZYME RENAMED "SEDOLISIN" IN 2003)

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.00 Å
  • R-Value Free: 0.131 
  • R-Value Work: 0.123 
  • R-Value Observed: 0.099 

wwPDB Validation 3D Report Full Report


This is version 1.3 of the entry. See complete history. 


Literature

Carboxyl proteinase from Pseudomonas defines a novel family of subtilisin-like enzymes.

Wlodawer, A., Li, M., Dauter, Z., Gustchina, A., Uchida, K., Oyama, H., Dunn, B.M., Oda, K.

(2001) Nat Struct Biol 8: 442-446

  • DOI: 10.1038/87610
  • Structures With Same Primary Citation

  • PubMed Abstract: 

    • The crystal structure of a pepstatin-insensitive carboxyl proteinase from Pseudomonas sp. 101 (PSCP) has been solved by single-wavelength anomalous diffraction using the absorption peak of bromide anions. Structures of the uninhibited enzyme and of c ...

    The crystal structure of a pepstatin-insensitive carboxyl proteinase from Pseudomonas sp. 101 (PSCP) has been solved by single-wavelength anomalous diffraction using the absorption peak of bromide anions. Structures of the uninhibited enzyme and of complexes with an inhibitor that was either covalently or noncovalently bound were refined at 1.0-1.4 A resolution. The structure of PSCP comprises a single compact domain with a diameter of approximately 55 A, consisting of a seven-stranded parallel beta-sheet flanked on both sides by a number of helices. The fold of PSCP is a superset of the subtilisin fold, and the covalently bound inhibitor is linked to the enzyme through a serine residue. Thus, the structure of PSCP defines a novel family of serine-carboxyl proteinases (defined as MEROPS S53) with a unique catalytic triad consisting of Glu 80, Asp 84 and Ser 287.

    Organizational Affiliation: 

    Protein Structure Section, Macromolecular Crystallography Laboratory, National Cancer Institute at Frederick, Maryland 21702, USA. wlodawer@ncifcrf.gov



Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
SERINE-CARBOXYL PROTEINASE
A
372Pseudomonas sp.Mutation(s): 0 
EC: 3.4.23.37 (PDB Primary Data), 3.4.21.100 (UniProt)
Find proteins for P42790 (Pseudomonas sp. (strain 101))
Go to UniProtKB:  P42790
  • Find similar proteins by: Sequence   |   Structure
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
FRAGMENT OF TYROSTATIN
I
3N/AMutation(s): 0 
Protein Feature View is not available: No corresponding UniProt sequence found.
Small Molecules
Ligands 3 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
GOL
Query on GOL
Download CCD File 
A
GLYCEROL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N		 Ligand Interaction
ACT
Query on ACT
Download CCD File 
A
ACETATE ION
C2 H3 O2
QTBSBXVTEAMEQO-UHFFFAOYSA-M		 Ligand Interaction
CA
Query on CA
Download CCD File 
A
CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N		 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.00 Å
  • R-Value Free: 0.131 
  • R-Value Work: 0.123 
  • R-Value Observed: 0.099 
  • Space Group: P 62
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 97.4α = 90
b = 97.4β = 90
c = 83.35γ = 120
Software Package:
Software NamePurpose
HKL-2000data collection
HKL-2000data reduction
SHELXL-97refinement
HKL-2000data scaling

Structure Validation

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View more in-depth experimental data

Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2000-12-13
    Type: Initial release
  • Version 1.1: 2008-04-27
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Non-polymer description, Version format compliance
  • Version 1.3: 2017-10-04
    Changes: Advisory, Refinement description