GCSH_MESCR MALRMWASSAANALGVSCAPKSHLLPALSLSRCFSTVLDGLKYASSHEWVKHGGSVATIGITDHAQGHLGDVVFAELPEGGAVSAGKPFASVESVKATSDVNSPISGEIVEVNTKLSDSPGLLNSSPYEEGWMVKVKPSNPAELESLMGSKEYTKFCEEEDAH GDCSH 163 The glycine cleavage system catalyzes the degradation of glycine. The H protein shuttles the methylamine group of glycine from the P protein to the T protein. Glycine cleavage system H protein, mitochondrial