In bionet.molbio.proteins,
Wedigo von Wedel <100335.3627 at CompuServe.COM> wrote
:Just read an article about changes in pKa of histidine residues in
:barnase depending on their positions relative to the membrane
:spanning alpha-helix (Sancho et al., Biochem. 1992, 31,
:2253-2258). Unfortunately the authors dont give a hint concerning
:the enzymatic activity of barnase and I cannot find it in
:available textbooks.
:Since there is an examination coming up on Friday I would be
:grateful if anybody could give a short description about
:the physiological function of barnase.
It's an extracellular guanine-specific ribonuclease from B.
amyloliquefaciens. Take a look at Bycroft et. al (1991) Biochemistry
vol. 30 p8697 and Hartley (1989) TIBS vol 14 p450.
Wayne Baker (baker at iastate.edu) Maybe a great magnet pulls
Biochemistry & Biophysics All souls towards truth
Iowa State University -- k. d. lang, "Constant Craving"
