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. 2004 Oct 20;101(44):15706–15711. doi: 10.1073/pnas.0405242101

Fig. 2.

Fig. 2.

Schematic representation of diverse NITRs in zebrafish. Predicted protein structures of multiple zebrafish NITRs are shown. Protein domains include the following: a variable Ig domain (V); an intermediate Ig domain (I) (11); a transmembrane region (TM) denoted by a helical structure; a positively charged residue midmembrane (Inline graphic); a prototypic joining-like region including the GXGTXLX(V/I/L) peptide sequences (J); a J-like variant (see Table 3) is indicated by an orange oval; a conventional ITIM including the (I/V/L)XYXX(I/V/L) peptide sequences; a variant of the conventional ITIM (itim); and variant of the conventional ITAM sequence (itam). An asterisk (*) indicates that full-length cDNA clones have been identified and sequenced confirming these structures; other structures are predicted from genomic sequence. SP, alternative RNA splicing variants; PM, polymorphic variants of the same gene.