2F91

1.2A resolution structure of a crayfish trypsin complexed with a peptide inhibitor, SGTI


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.20 Å
  • R-Value Free: 0.182 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Enzyme:Substrate Hydrogen Bond Shortening during the Acylation Phase of Serine Protease Catalysis.

Fodor, K.Harmat, V.Neutze, R.Szilagyi, L.Graf, L.Katona, G.

(2006) Biochemistry 45: 2114-2121

  • DOI: 10.1021/bi0517133
  • Primary Citation of Related Structures:  
    2F91

  • PubMed Abstract: 
  • Atomic resolution (

    Atomic resolution (


    Related Citations: 
    • Extended Intermolecular Interactions in a Serine Protease-Canonical Inhibitor Complex Account for Strong and Highly Specific Inhibition.
      Fodor, K., Harmat, V., Hetenyi, C., Kardos, J., Antal, J., Perczel, A., Patthy, A., Katona, G., Graf, L.
      (2005) J Mol Biol 350: 156

    Organizational Affiliation

    Biotechnology Research Group of the Hungarian Academy of Sciences, Pázmány Street 1/C, 1117 Budapest, Hungary.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
hepatopancreas trypsinA237Astacus leptodactylusMutation(s): 1 
EC: 3.4.21.4
Find proteins for Q52V24 (Astacus leptodactylus)
Explore Q52V24 
Go to UniProtKB:  Q52V24
Protein Feature View
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  • Reference Sequence
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
Serine protease inhibitor I/IIB35N/AMutation(s): 0 
Find proteins for O46162 (Schistocerca gregaria)
Explore O46162 
Go to UniProtKB:  O46162
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
CD
Query on CD

Download CCD File 
A
CADMIUM ION
Cd
WLZRMCYVCSSEQC-UHFFFAOYSA-N
 Ligand Interaction
CL
Query on CL

Download CCD File 
A
CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.20 Å
  • R-Value Free: 0.182 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 41.283α = 90
b = 59.673β = 90
c = 97.302γ = 90
Software Package:
Software NamePurpose
MOSFLMdata reduction
SCALAdata scaling
MOLREPphasing
SHELXL-97refinement
CCP4data scaling

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2006-04-18
    Type: Initial release
  • Version 1.1: 2008-05-01
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance