Structure of the delta PDZ truncation of the DegS protease

Allosteric activation of DegS, a stress sensor PDZ protease.

(MSE)RGSHHHHHHGRSRSLNPLSTPQFDSTDETPASYNLAVRRAAPAVVNVYNRGLNTNSHNQLEIRTLGSGVI(MSE)
DQRGYIITNKHVINDADQIIVALQDGRVFEALLVGSDSLTDLAVLKINATGGLPTIPINARRVPHIGDVVLAIGNPYNLG
QTITQGIISATGRIGLNPTGRQNFLQTDASINHGNSGGALVNSLGEL(MSE)GINTLSFDKSNDGETPEGIGFAIPFQLA
TKI(MSE)DKLIRDGRVIR

MRGSHHHHHHGRSRSLNPLSTPQFDSTDETPASYNLAVRRAAPAVVNVYNRGLNTNSHNQLEIRTLGSGVIMDQRGYIIT
NKHVINDADQIIVALQDGRVFEALLVGSDSLTDLAVLKINATGGLPTIPINARRVPHIGDVVLAIGNPYNLGQTITQGII
SATGRIGLNPTGRQNFLQTDASINHGNSGGALVNSLGELMGINTLSFDKSNDGETPEGIGFAIPFQLATKIMDKLIRDGR
VIR

50 mM NaCacodylate pH 6.5, 150 mM NaCitrate, 18% isopropanol, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Structure of the R178A mutant of delta PDZ DegS protease

DegS, protease, periplasmic stress sensor, Htra, allosteric activation, HYDROLASE

RSLNPLSTPQFDSTDETPASYNLAVRRAAPAVVNVYNRGLNTNSHNQLEIRTLGSGVIMDQRGYIITNKHVINDADQIIV
ALQDGRVFEALLVGSDSLTDLAVLKINATGGLPTIPINARRVPHIGDVVLAIGNPYNLGQTITQGIISATGRIGLNPTGR
QNFLQTDASINHGNSGGALVNSLGELMGINTLSFDKSNDGETPEGIGFAIPFQLATKIMDKLIRDGRVIR