1C9J

BACILLUS LENTUS SUBTILISIN K27R/N87S/V104Y/N123S/T274A VARIANT

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.80 Å
  • R-Value Observed: 0.148 

wwPDB Validation   3D Report Full Report


This is version 1.5 of the entry. See complete history. 


Literature

Engineered Bacillus lentus subtilisins having altered flexibility.

Graycar, T., Knapp, M., Ganshaw, G., Dauberman, J., Bott, R.

(1999) J Mol Biol 292: 97-109

  • DOI: 10.1006/jmbi.1999.3033
  • Primary Citation of Related Structures:  
    1C9J, 1C9M, 1C9N, 1IAV, 1JEA

  • PubMed Abstract: 

    • The three-dimensional structures of engineered variants of Bacillus lentus subtilisin having increased enzymatic activity, K27R/N87S/V104Y/N123S/T274A (RSYSA) and N76D/N87S/S103A/V104I (DSAI), were determined by X-ray crystallography. In addition to identifying changes in atomic position we report a method that identifies protein segments having altered flexibility ...

    The three-dimensional structures of engineered variants of Bacillus lentus subtilisin having increased enzymatic activity, K27R/N87S/V104Y/N123S/T274A (RSYSA) and N76D/N87S/S103A/V104I (DSAI), were determined by X-ray crystallography. In addition to identifying changes in atomic position we report a method that identifies protein segments having altered flexibility. The method utilizes a statistical analysis of variance to delineate main-chain temperature factors that represent significant departures from the overall variance between equivalent regions seen throughout the structure. This method reveals changes in main-chain mobility in both variants. Residues 125-127 have increased mobility in the RSYSA variant while residues 100-104 have decreased mobility in the DSAI variant. These segments are located at the substrate-binding site and changes in their mobility are believed to relate to the observed changes in proteolytic activity. The effect of altered crystal lattice contacts on segment flexibility becomes apparent when identical variants, determined in two crystal forms, are compared with the native enzyme.

    Organizational Affiliation: 

    Genencor International, 925 Page Mill Road, Palo Alto, CA 94304, USA.



Macromolecules
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(by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
SERINE PROTEASEA269Lederbergia lentusMutation(s): 0 
EC: 3.4.21.62
UniProt
Find proteins for P29600 (Lederbergia lentus)
Explore P29600 
Go to UniProtKB:  P29600
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP29600
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
SO4
Query on SO4
Download Ideal Coordinates CCD File 
B [auth A]SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L		 Ligand Interaction
CA
Query on CA
Download Ideal Coordinates CCD File 
C [auth A],
D [auth A]		CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N		 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.80 Å
  • R-Value Observed: 0.148 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 53α = 90
b = 61.25β = 90
c = 75.1γ = 90
Software Package:
Software NamePurpose
PROLSQrefinement
CAD4data reduction
CAD4data scaling

Structure Validation

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View more in-depth experimental data

Entry History 

Deposition Data

  • Deposited Date: 1999-08-02 
  • Released Date: 1999-10-06 
    • Deposition Author(s): Bott, R.

Revision History  (Full details and data files)

  • Version 1.0: 1999-10-06
    Type: Initial release
  • Version 1.1: 2008-04-27
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance
  • Version 1.3: 2017-10-04
    Changes: Refinement description
  • Version 1.4: 2018-04-04
    Changes: Data collection
  • Version 1.5: 2018-04-18
    Changes: Data collection