Crystal structure of the core catalytic domain of PP-IP phosphatase SIW14 from S. cerevisiae in complex with citrate

Structural and biochemical characterization of Siw14: A protein-tyrosine phosphatase fold that metabolizes inositol pyrophosphates.

GSGSVIPPENFSHVVGEIYRSSFPRQENFSFLHERLKLKSILVLIPEEYPQENLNFLKLTGIKLYQVG(MSE)SGNKEPF
VNIPSHLLTKALEIVLNPANQPILIHCNRGKHRTGCLIGCIRKLQNWSLT(MSE)IFDEYRRFAFPKARALDQQFIE
(MSE)YDDDEIKRIASKNNWLPLQW

GSGSVIPPENFSHVVGEIYRSSFPRQENFSFLHERLKLKSILVLIPEEYPQENLNFLKLTGIKLYQVGMSGNKEPFVNIP
SHLLTKALEIVLNPANQPILIHCNRGKHRTGCLIGCIRKLQNWSLTMIFDEYRRFAFPKARALDQQFIEMYDDDEIKRIA
SKNNWLPLQW

Saccharomyces cerevisiae (strain ATCC 204508 / S288c)

0.7M sodium citrate, 50 mM ?-mercaptoethanol

National Institutes of Health/National Institute of Environmental Health Sciences (NIH/NIEHS)

protein tyrosine phosphatase, phosphatase, inositol, inositol polyphosphate, inositol pyrophosphate, substrate specificity, TRANSFERASE

VIPPENFSHVVGEIYRSSFPRQENFSFLHERLKLKSILVLIPEEYPQENLNFLKLTGIKLYQVGMSGNKEPFVNIPSHLL
TKALEIVLNPANQPILIHCNRGKHRTGCLIGCIRKLQNWSLTMIFDEYRRFAFPKARALDQQFIEMYDDDEIKRIASKNN
WLPLQW