preferred_name: Interaction of Tie2 and Dok-2 (Xenopus tropicalis)
preferred_name_lc: interaction of tie2 and dok-2 (xenopus tropicalis)
label: Interaction of Tie2 and Dok-2 (Xenopus tropicalis)
label_lc: interaction of tie2 and dok-2 (xenopus tropicalis)