PDB Information

PDB1KFF
MethodX-RAY DIFFRACTION
Host OrganismEscherichia coli
Gene SourceStreptomyces avidinii
Primary Citation
Improved affinity of engineered streptavidin for the Strep-tag II peptide is due to a fixed open conformation of the lid-like loop at the binding site.
Korndorfer, I.P., Skerra, A.
Protein Sci.
HeaderPeptide Binding Protein
Released2001-11-20
Resolution1.900
CATH Insert Date05 Mar, 2006

PDB Images (9)

PDB Prints

PDB Chains (4)

Chain ID Date inserted into CATH CATH Status
A 05 Mar, 2006 Chopped
B 05 Mar, 2006 Chopped
C 05 Mar, 2006 Chopped
D 05 Mar, 2006 Chopped

CATH Domains (4)

Domain ID Date inserted into CATH Superfamily CATH Status
1kffA00 05 Mar, 2006 2.40.128.30 Assigned
1kffB00 05 Mar, 2006 2.40.128.30 Assigned
1kffC00 05 Mar, 2006 2.40.128.30 Assigned
1kffD00 05 Mar, 2006 2.40.128.30 Assigned

UniProtKB Entries (4)

Accession Gene ID Taxon Description
P22629 SAV_STRAV Streptomyces avidinii Streptavidin
P22629 SAV_STRAV Streptomyces avidinii Streptavidin
P22629 SAV_STRAV Streptomyces avidinii Streptavidin
P22629 SAV_STRAV Streptomyces avidinii Streptavidin