class II-associated invariant chain peptide

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class II-associated invariant chain peptide

[¦klas ¦tü ə¦sō·sē‚ād·əd in¦ver·ē·ənt ¦chān ′pep‚tīd]
(immunology)
A residual fragment of the invariant chain that is essential for proper loading of exogenous peptide on the class II major histocompatibility complex.