2FI4

Crystal structure of a BPTI variant (Cys14->Ser) in complex with trypsin

Structural Biology Knowledgebase: 2FI4 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.58 Å
  • R-Value Free: 0.235
  • R-Value Work: 0.217

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 2FI4

Classification: hydrolase / hydrolase inhibitor

Total Structure Weight: 31080.96

Macromolecule Entities
Molecule Chains Length Organism Details
Cationic trypsin E 223 Bos taurus EC#: 3.4.21.4 IUBMB
Mutation: N115X
Pancreatic trypsin inhibitor I 58 Bos taurus Mutation: C14S

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

E, I CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer
 
JSmol
EDO
Query on EDO

E 1,2-ETHANEDIOL
ETHYLENE GLYCOL (Synonym)
C2 H6 O2
LYCAIKOWRPUZTN-UHFFFAOYSA-N
Ligand Explorer
 
JSmol
NA
Query on NA

E SODIUM ION
Na
FKNQFGJONOIPTF-UHFFFAOYSA-N
Ligand Explorer
 
JSmol
SO4
Query on SO4

E, I SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer
 
JSmol
Modified Residues 1 Unique
ID Chains Type Formula 2D Diagram Parent
IAS
Query on IAS
E L-beta-peptide, C-gamma linking C4 H7 N O4 --

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.58 Å
  • R-Value Free: 0.235
  • R-Value Work: 0.217
  • Space Group: I 2 2 2
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 74.78 α = 90.00
b = 82.43 β = 90.00
c = 123.96 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2005-12-27
  • Released Date: 2006-01-24
  • Deposition author(s): Zakharova, E., Horvath, M.P., Goldenberg, D.P.

Revision History

  • 2011-07-27
    Type: Linkage | Details: Linkage
  • 2011-07-27
    Type: Sequence database correspondence | Details: Changed residue name in the sequence
  • 2011-07-27
    Type: Non-polymer description | Details: Non-polymer description
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4