preferred_name: POLZ elongates POLI-incorporated dNMP (Xenopus tropicalis)
preferred_name_lc: polz elongates poli-incorporated dnmp (xenopus tropicalis)
label: POLZ elongates POLI-incorporated dNMP (Xenopus tropicalis)
label_lc: polz elongates poli-incorporated dnmp (xenopus tropicalis)