1KFF

An engineered streptavidin with improved affinity for the strep-tag II peptide: apo-SAM1

Structural Biology Knowledgebase: 1KFF SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Free: 0.229
  • R-Value Work: 0.170

Literature

Macromolecules
Sequence Display for 1KFF

Classification: PEPTIDE BINDING PROTEIN

Total Structure Weight: 53534.74

Macromolecule Entities
Molecule Chains Length Organism Details
streptavidin A, B, C, D 127 Streptomyces avidinii Mutation: E44V, S45T, V47R
Gene Name(s):
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG


Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Free: 0.229
  • R-Value Work: 0.170
  • Space Group: P 1 21 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 58.42 α = 90.00
b = 86.92 β = 98.90
c = 47.20 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-11-20
  • Released Date: 2002-04-03
  • Deposition author(s): Korndoerfer, I.P., Skerra, A.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4