Figure 3.
Fig. 3. A: MOLSCRIPT (Kraulis, 991)stereoviewofthetetramericcircularlypermutedstreptavidin CP51/46. subunits2(green)
and3(cyan),theengineeredloopsextendawayfromtheglobulr structure and are stabilized by crystal packinginteractions.
B: MOLSCRIPTstereoview o themutant-biotincomplex. n subunit 3 (cyan)thenewconnectingloopadoptsadifferentconfor-
mationmoreintegratedinthe p barrelstructureand also stabilized y crystal packin.
The above figure is reprinted
from an Open Access publication published by the Protein Society:
Protein Sci
(1998,
7,
848-859)
copyright 1998.
