>tr|A0A832WHN2|A0A832WHN2_9EURY phosphoserine phosphatase OS=Methanocaldococcus jannaschii GN=serB MEKKKKLILFDFDSTLVNNETIDEIAREAGVEEEVKKITKEAMEGKLNFEQSLRKRVSLL KDLPIEKVEKAIKRITPTEGAEETIKELKNRGYVVAVVSGGFDIAVNKIKEKLGLDYAFA NRLIVKDGKLTGDVEGEVLKENAKGEILEKIAKIEGINLEDTVAVGDGANDISMFKKAGL KIAFCAKPILKEKADICIEKRDLREILKYIK