Crystal structure of the N-terminal kinase domain from Saccharomyces cerevisiae Vip1 in complex with ADP.

A small signaling domain controls PPIP5K phosphatase activity in phosphate homeostasis.

Inositol hexakisphosphate and diphosphoinositol-pentakisphosphate kinase

GAKVGKIGVCAMDAKVLSKPMRHILNRLIEHGEFETVIFGDKVILDERIENWPTCDFLISFFSSGFPLDKAIKYVKLRKP
FIINDLIMQKILWDRRLCLQVLEAYNVPTPPRLEISRDGGPRANEELRAKLREHGVEVKPVEEPEWKMVDDDTLEVDGKT
MTKPFVEKPVDGEDHNIYIYYHSKNGGGGRRLFRKVGNKSSEFDPTLVHPRTEGSYIYEQFMDTDNFEDVKAYTIGENFC
HAETRKSPVVDGIVRRNTHGKEVRYITELSDEEKTIAGKVSKAFSQMICGFDLLRVSGKSYVIDVNGFSFVKDNKAYYDS
CANILRSTFIEAKKKMD

23 % [v/v] PEG 3,350, 0.1 M citric acid / BIS-Tris propane pH 6.4

Inositol pyrophosphate, inositol pyrophosphate phosphatase, histidine acid phosphatase, phytase, enzyme mechanism, GAF domain, phosphate homeostasis, BIOSYNTHETIC PROTEIN

KVGKIGVCAMDAKVLSKPMRHILNRLIEHGEFETVIFGDKVILDERIENWPTCDFLISFFSSGFPLDKAIKYVKLRKPFI
INDLIMQKILWDRRLCLQVLEAYNVPTPPRLEISRDGGPRANEELRAKLREHGVEVKPVEEPEWKMVDDDTLEVDGKTMT
KPFVEKPVDGEDHNIYIYYHSKNGGGGRRLFRKVGNKSSEFDPTLVHPRTEGSYIYEQFMDTDNFEDVKAYTIGENFCHA
ETRKSPVVDGIVRRNTHGKEVRYITELSDEEKTIAGKVSKAFSQMICGFDLLRVSGKSYVIDVNGFSFVKDNKAYYDSCA
NILRSTFIEAKKKMD