J CHAINS
\d͡ʒˈe͡ɪ t͡ʃˈe͡ɪnz], \dʒˈeɪ tʃˈeɪnz], \dʒ_ˈeɪ tʃ_ˈeɪ_n_z]\
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The immunoglobulin fragments found in the light chain fractions of secretory IMMUNOGLOBULIN A and polymeric IMMUNOGLOBULIN M in a ratio of one J chain per one IMMUNOGLOBULIN A dimer or one IMMUNOGLOBULIN M pentamer. It is a polypeptide with a molecular weight of about 17 kD and probably serves either to bind the components of the globulins together or to transfer the globulins across membranes.
By DataStellar Co., Ltd
