preferred_name: 2xPPCS ligates PPanK with Cys (Xenopus tropicalis)
preferred_name_lc: 2xppcs ligates ppank with cys (xenopus tropicalis)
label: 2xPPCS ligates PPanK with Cys (Xenopus tropicalis)
label_lc: 2xppcs ligates ppank with cys (xenopus tropicalis)