L-threonyl-[Goodpasture antigen-binding protein] + ATP = O-phospho-L-threonyl-[Goodpasture antigen-binding protein] + ADP + H(+)
l-threonyl-[goodpasture antigen-binding protein] + atp = o-phospho-l-threonyl-[goodpasture antigen-binding protein] + adp + h(+)