4ABJ

Co-complex structure of bovine trypsin with a modified Bowman-Birk inhibitor (IcA)SFTI-1(1,14), that was 1,5-disubstituted with 1,2,3- trizol to mimic a cis amide bond


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.45 Å
  • R-Value Free: 0.204 
  • R-Value Work: 0.190 
  • R-Value Observed: 0.191 

wwPDB Validation 3D Report Full Report


This is version 1.3 of the entry. See complete history


Literature

Braces for the Peptide Backbone: Insights Into Structure-Activity Relation-Ships of Protease Inhibitor Mimics with Locked Amide Conformations

Tischler, M.Nasu, D.Empting, M.Schmelz, S.Heinz, D.Rottmann, P.Kolmar, H.Buntkowsky, G.Tietze, D.Avrutina, O.

(2012) Angew Chem Int Ed Engl 51: 3708


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
CATIONIC TRYPSINA223Bos taurusMutation(s): 0 
EC: 3.4.21.4
Find proteins for P00760 (Bos taurus)
Explore P00760 
Go to UniProtKB:  P00760
Protein Feature View
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  • Reference Sequence
  • Find similar proteins by:  Sequence   |   Structure
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
TRYPSIN INHIBITOR 1B13Helianthus annuusMutation(s): 0 
Gene Names: sfti1
Find proteins for Q4GWU5 (Helianthus annuus)
Explore Q4GWU5 
Go to UniProtKB:  Q4GWU5
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 4 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
SO4
Query on SO4

Download CCD File 
A
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
 Ligand Interaction
GOL
Query on GOL

Download CCD File 
A
GLYCEROL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
 Ligand Interaction
DMF
Query on DMF

Download CCD File 
A
DIMETHYLFORMAMIDE
C3 H7 N O
ZMXDDKWLCZADIW-UHFFFAOYSA-N
 Ligand Interaction
CA
Query on CA

Download CCD File 
A
CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
 Ligand Interaction
Biologically Interesting Molecules (External Reference) 1 Unique
Entity ID: 2
IDChainsNameType/Class2D Diagram3D Interactions
PRD_000846
Query on PRD_000846
BTRYPSIN INHIBITOR 1Peptide-like /  Inhibitor

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Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.45 Å
  • R-Value Free: 0.204 
  • R-Value Work: 0.190 
  • R-Value Observed: 0.191 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 61.8α = 90
b = 63.4β = 90
c = 69.3γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
HKL-2000data reduction
DENZOdata scaling
PHASERphasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2012-03-07
    Type: Initial release
  • Version 1.1: 2012-04-18
    Changes: Other
  • Version 1.2: 2012-05-16
    Changes: Other
  • Version 1.3: 2012-11-30
    Changes: Other