ID 2.7.1.183 DE glycoprotein-mannosyl O(6)-kinase. AN protein O-mannose kinase. CA 3-O-[beta-D-GalNAc-(1->3)-beta-D-GlcNAc-(1->4)-alpha-D-Man]-L-Thr- CA [protein] + ATP = 3-O-[beta-D-GalNAc-(1->3)-beta-D-GlcNAc-(1->4)-(O-6- CA P-alpha-D-Man)]-Thr-[protein] + ADP + H(+). CC -!- In humans this phosphorylated trisaccharide is attached to an CC L-threonine residue of alpha-dystroglycan, an extracellular CC peripheral glycoprotein that acts as a receptor for extracellular CC matrix proteins containing laminin-G domains, and is important for CC its activity. DR Q5F349, SG196_CHICK; Q5U3W1, SG196_DANRE; Q9H5K3, SG196_HUMAN; DR Q95JJ0, SG196_MACFA; Q3TUA9, SG196_MOUSE; Q4V8A9, SG196_RAT ; DR Q5HZP7, SG196_XENLA; //