R15A constructs	species	boundaries based upon:
1–325	human	conservation and Carrara et al. [18]
325–554	human	conservation and Carrara et al. [18]
325–636	human	Carrara et al. [18]
325–674	human	conservation and Carrara et al. [18]
554–674	human	conservation and Carrara et al. [18]
1–674 (full-length)	human	conservation and Carrara et al. [18]
533–624	human	Chen et al. [20] and Crespillo-Casado et al. [21]
A1292–590	hamster	Novoa et al. [5] corresponding to 310–658 human R15A