Mutation in a flexible linker modulates binding affinity for modular complexes.

Stokes PH, Robertson NO, Silva AP, Estephan T, Trewhella J, Guss JM, Matthews JM
Proteins (2019 Feb 20)
PMID: 30788856
doi: 10.1002/prot.25675
Submitted to SASBDB: 2017 Sep 27
Published in SASBDB:

SASDDQ4 – LIM/homeobox protein Lhx4 LIM domains fused to the LIM interaction domain (LID) of Insulin gene enhancer protein ISL-2

LIM/homeobox protein Lhx4Insulin gene enhancer protein ISL-2 experimental SAS data
DAMMIN model
Sample: LIM/homeobox protein Lhx4 monomer, 15 kDa Mus musculus protein
Insulin gene enhancer protein ISL-2 monomer, 4 kDa Mus musculus protein
Buffer: 20 mM Tris, 150 mM NaCl, 1 mM TCEP, pH: 8
Experiment: SAXS data collected at SAXS/WAXS, Australian Synchrotron on 2015 Nov 19
RgGuinier 2.2 nm
Dmax 8.0 nm
VolumePorod 20 nm3

SASDDR4 – LIM/homeobox protein Lhx4 LIM domains fused to the LIM interaction domain (LID) R282G mutant of Insulin gene enhancer protein ISL-2

LIM/homeobox protein Lhx4Insulin gene enhancer protein ISL-2 (R282G) experimental SAS data
DAMMIN model
Sample: LIM/homeobox protein Lhx4 monomer, 15 kDa Mus musculus protein
Insulin gene enhancer protein ISL-2 (R282G) monomer, 4 kDa Mus musculus protein
Buffer: 20 mM Tris, 150 mM NaCl, 1 mM TCEP, pH: 8
Experiment: SAXS data collected at SAXS/WAXS, Australian Synchrotron on 2015 Nov 19
RgGuinier 2.3 nm
Dmax 8.5 nm
VolumePorod 21 nm3