preferred_name: Hemoglobin A binds O2, releasing H+ and CO2 (Xenopus tropicalis)
preferred_name_lc: hemoglobin a binds o2, releasing h+ and co2 (xenopus tropicalis)
label: Hemoglobin A binds O2, releasing H+ and CO2 (Xenopus tropicalis)
label_lc: hemoglobin a binds o2, releasing h+ and co2 (xenopus tropicalis)