>sp|A2BTQ0|GCSH_PROMS Glycine cleavage system H protein OS=Prochlorococcus marinus GN=gcvH MSYKFPDNLNYADTHEYVLEENGLLKIGVSEFAIDQLGDIVFVELADEGATLEKGETFGT IESVKAVEEVYLPFSGEIVSVNESVIENPELLQNDPIGEGWLVILKPESKASIADLMTSE EYQSKVVPK