| 单词 | cysteine |
| 释义 | Word Frequency cysteine(ˈsɪstɪˌiːn, -ɪn) noun a sulphur-containing amino acid, present in proteins, that oxidizes on exposure to air to form cystine. Formula: HSCH2CH(NH2)COOH Derived forms cysteinic (ˌcysteˈinic) adjective Word origin C19: variant of cystine |
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