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. 2003 Jan;56(1):1–11. doi: 10.1136/jcp.56.1.1

Table 1.

Genes encoding the T cell receptor (TCR) chains

TCR gene Chromosome V segments D segments J segments C segments
α (A) 14q11–12 70 0 61 1
β (B) 7q32–35 67 2 13 2
γ (G) 7p15 14 0 5 2
δ (D) 14q11–12 8 3 4 1

C, constant; D, diversity; J, joining; V, variable.