preferred_name: Cysteine is degraded to serine and H2S (Mus musculus)
preferred_name_lc: cysteine is degraded to serine and h2s (mus musculus)
label: Cysteine is degraded to serine and H2S (Mus musculus)
label_lc: cysteine is degraded to serine and h2s (mus musculus)