Isoforms of inhibitory C-type lectin receptors. (A) Three alternatively spliced hMICL isoforms (α, β, γ). (B) Four different forms of alternatively spliced DCIR mRNA (v1–v4). (C) Four splice variants of the ly49q1 gene in mouse strains JF1, MSM and SV129 (Cyt, ΔCRD1, ΔCRD2, ΔCRD3). Arrows indicate translation stop codons.