>4B6J_1|Chains A, B, C, D|PHOSPHOSERINE PHOSPHATASE|THERMOCOCCUS ONNURINEUS NA1 (523850) GAMDPQFMKKVAVIDIEGTLTDFEFWREMARITGKREIEELLEKGLSGEVEWLDSLLKRVGLIRGIDEGTFLRTREKVNVSPEARELVETLREKGFKVVLISGSFEEVLEPFKELGDEFMANRAIFEDGKFQGIRLRFRDKGEFLKRFRDGFILAMGDGYADAKMFERADMGIAVGREIPGADLLVKDLKELVDFIKNLKP