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. Author manuscript; available in PMC: 2012 Nov 29.
Published in final edited form as: Methods Cell Biol. 1994;40:135–151. doi: 10.1016/s0091-679x(08)61113-9

Fig. 1.

Fig. 1

Subunit structure of a voltage-dependent Ca2+ channel. The α1 subunit, which forms the pore, has a molecular mass of 175 kDa; α2 is 143 kDa and is disulfide linked to δ (27 kDa); the subunit is 54, Da and γ is 30 kDa. (Reproduced with permission from Catterall, 1988.)