| 释义 |
light chainn.（名词）- The smaller of the two types of polypeptide chains in immunoglobulins, consisting of an antigen-binding portion with a variable amino acid sequence, and a constant region with an amino acid sequence that is relatively unchanging.轻链：两类免疫球蛋白多肽链中较小的一类，由具有变动胺基酸序列的带抗原部分以及具有相对稳定胺基酸序列的恒定区组成
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