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. 2008 Feb 29;105(10):3733–3738. doi: 10.1073/pnas.0712247105

Table 1.

Key attributes of Hcp1 mutants and nanotube subunits

Hcp1 mutants Utility
G90C, R157C (Hcp1CC) Nanotube polymer subunit
G90C Chain terminator; caps top end of Hcp1 nanotubes
R157C Chain terminator; caps bottom end of Hcp1 nanotubes
G90C, Q54C Top cap with plugging capacity
R157C, Q54C Bottom cap with plugging capacity
G90C, C-terminal myc Top cap; marks top end of Hcp1 nanotubes with myc tag
R157C, C-terminal FLAG Bottom cap; marks bottom of Hcp1 nanotubes with FLAG tag