>tr|A0A135PUS0|A0A135PUS0_ECOLX Phosphoserine aminotransferase OS=Escherichia coli GN=serC MAQIFNFSSGPAMLPAEVLKQAQQELRDWNGLGTSVMEVSHRGKEFIQVAEEAEKDFRDL LNVPSNYKVLFCHGGGRGQFAAVPLNILGDKTTADYVDAGYWAASAIKEAKKYCTPNVFD AKVTVDGLRAVKPMREWQLSDNAAYMHYCPNETIDGIAIDETPDFGKDVVVAADFSSTIL SRPIDVSRYGVIYAGAQKNIGPAGLTIVIVREDLLGKANIACPSILDYSILNDNGSMFNT PPTFAWYLSGLVFKWLKANGGVAEMDKINQQKAELLYGVIDNSDFYRNDVAKANRSRMNV PFQLADSALDKLFLEESFAAGLHALKGHRVVGGMRASIYNAMPLEGVKALTDFMIEFERR HG