Table 2.

Classification of the amino acid differences in the mature subunits of the acetylcholine receptor into domains and then further into secondary structure elements when compared with T. californica subunits

Amino acid differences relative to T. californica
Extracellular domain Pore-forming domain
SpeciesSubunitTotal amino acid changesβ-strandsLoops/α-helicesTransmembrane α-helicesLoops
T. marmorata α61032
β183870
γ121452
δ135242
H. monopterigium α74003
β519171312
γ2748312
δ237682
N. tasmaniensis α168710
δ135242