>3M1Y_1|Chains A, B, C, D|Phosphoserine phosphatase (SerB)|Helicobacter pylori (210) MSLQKLAVFDFDSTLVNAETIESLARAWGVFDEVKTITLKAMNGETDFHKSLILRVSKLKNMPLKLAKEVCESLPLFEGALELVSALKEKNYKVVCFSGGFDLATNHYRDLLHLDAAFSNTLIVENDALNGLVTGHMMFSHSKGEMLLVLQRLLNISKTNTLVVGDGANDLSMFKHAHIKIAFNAKEVLKQHATHCINEPDLALIKPLIEGHHHHHH