>sp|Q3YXW6|GCSH_SHISS Glycine cleavage system H protein OS=Shigella sonnei GN=gcvH MSNVPAELKYSKEHEWLRKEADGTYTVGITEHAQELLGDMVFVDLPEVGATVSAGDDCAV AESVKAASDIYAPVSGEIVAVNDALSDSPELVNSEPYAGGWIFKIKASDESELESLLDAT AYEALLEDE