4ABI

Co-complex structure of bovine trypsin with a modified Bowman-Birk inhibitor (PtA)SFTI-1(1,14), that was 1,4-disubstituted with a 1,2,3- trizol to mimic a trans amide bond

Structural Biology Knowledgebase: 4ABI SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.55 Å
  • R-Value Free: 0.220
  • R-Value Work: 0.190

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 4ABI

Classification: HYDROLASE / INHIBITOR

Total Structure Weight: 25954.36

Macromolecule Entities
Molecule Chains Length Organism Details
CATIONIC TRYPSIN A 223 Bos taurus EC#: 3.4.21.4 IUBMB
Gene Name(s):
PTA-SFTI INHIBITOR B 13 Synthetic construct Mutation: P8X, ΔP48
Details: CHEMICALLY SYNTHESIZED
Gene Name(s): sfti1

Small Molecules
Ligands 4 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
SO4
Query on SO4

A SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
GOL
Query on GOL

A GLYCEROL
2, (Synonym)
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
DMF
Query on DMF

A DIMETHYLFORMAMIDE
C3 H7 N O
ZMXDDKWLCZADIW-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CA
Query on CA

A CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Biologically Interesting Molecules 1 Unique
ID Chains Name Type/Class 2D Diagram 3D Interactions
PRD_000842 (PHE,SER,LYS,THR,ARG,CYS,ASP,PRO,ILE,GLY,PLF) B PTA-SFTI INHIBITOR Peptide-like /
Inhibitor
Ligand Explorer Electron Density (JSmol) Electron Density (JSmol) Electron Density (JSmol) Electron Density (JSmol) Electron Density (JSmol) Electron Density (JSmol) Electron Density (JSmol) Electron Density (JSmol) Electron Density (JSmol) Electron Density (JSmol) Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.55 Å
  • R-Value Free: 0.220
  • R-Value Work: 0.190
  • Space Group: P 21 21 21
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 61.10 α = 90.00
b = 63.20 β = 90.00
c = 69.90 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2011-12-08
  • Released Date: 2012-03-07
  • Deposition author(s): Schmelz, S., Empting, M., Tischler, M., Nasu, D., Heinz, D., Kolmar, H.

Revision History

  • 2012-12-12
    Type: Other | Details: Add PRD info
  • 2012-11-14
    Type: Sequence database correspondence | Details: SEQADV
  • 2012-05-16
    Type: Other | Details: Citation
  • 2012-04-18
    Type: Other | Details: Citation