preferred_name: POLG in the replisome polymerizes the L strand (Xenopus tropicalis)
preferred_name_lc: polg in the replisome polymerizes the l strand (xenopus tropicalis)
label: POLG in the replisome polymerizes the L strand (Xenopus tropicalis)
label_lc: polg in the replisome polymerizes the l strand (xenopus tropicalis)