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. 2020 Sep 11;38(2):424–436. doi: 10.1093/molbev/msaa230

Table 1.

Cysteine Motifs of Mollusca Bimodular MTs.

Class Clade Domain Cysteine Motifs
N-Terminal Linker C-Terminal
Conchifera Gastropoda Patellogastropoda γ β1 CCx5CCx4CCx6CCx7CC X5–6 [CxC]x3[CxC]x3Cx5[CxC]x3[CxC]
Vetigastropoda β3 β1 Cx3Cx4[CxC]x3[CxC]x4[CxC]x2C X3–6 [CxC]x3[CxC]x3Cx5[CxC]x3[CxC]
Neritimorpha β3 β1 Cx3Cx5[CxC]x3[CxC]x3[CxC]x2C X3–4 [CxC]x4[CxC]x3Cx5[CxC]x3[CxC]
Caenogastropoda β3 β1 Cx3Cx4[CxC]x5[CxC]x3[CxC]x2C X2–3 [CxC]x4[CxC]x3Cx6[CxC]x3[CxC]
Heterobranchia β3 β1 Cx3Cx4[CxC]x3[CxC]x3[CxC]x2C X2 [CxC]x4[CxC]x3Cx5[CxC]x3[CxC]
Scaphododa β2 β1 [CxC]x5[CxC]x3[CxC]x4[CxC]x4C X8–10 [CxC]x4[CxC]x3Cx5[CxC]x3[CxC]
Bivalvia α β1 [CxC]x5[CxC]x3Cx5[CxC]x3[CxC]x3[CxC]x2C X3–4 [CxC]x6[CxC]x3Cx5[CxC]x3[CxC]
β2 β2 [CxC]x5[CxC]x3[CxC]x4[CxC]x2C X2–3 Cx2Cx4[CxC]x3[CxC]x3[CxC]x2C
β2 like β1 Cx4Cx4[Cx0–1C]x4[Cx0–1C]x3[CxC]x2C X1–3 [CxC]x4[CxC]x3Cx5[CxC]x3[CxC]
Cephalopoda α β1 [CxC]x6[CxC]x3Cx4[CxC]x3[CxC]x3[CxC]x2C X3–4 [CxC]x4[CxC]x3Cx5[CxC]x3[CxC]
Monoplacophora β2 β1 [CxC]x6[CxC]x3[CxC]x2Cx[CxC]x2C X3 [CxC]x3[CxC]x3Cx5[CxC]x3[CxC]
Aculifera Polyplacophora α β1 [CxC]x4[CxC]x3Cx4[CxC]x3[CxC]x3[CxC]x2C X3 [CxC]x4[CxC]x3Cx5[CxC]x3[CxC]
Solenogastres β2 β1 [CxC]x5[CxC]x3[CxC]x4[CxC]x4C X6 [CxC]x4[CxC]x3Cx5[CxC]x3[CxC]
α β1 [CxC]x5[CxC]x3Cx5[CxC]x3[CxC]x3[CxC]x2C X7 [CxC]x3[CxC]x3Cx5[CxC]x3[CxC]
Caudofoveata δ β1 [CxC]x3[CxC]CCx4Cx3[CxC]x3CCx4[CxC]C X3 [CxC]x4[CxC]x3Cx5[CxC]x3[CxC]