preferred_name: Conversion of C4 into C4a and C4b (Xenopus tropicalis)
preferred_name_lc: conversion of c4 into c4a and c4b (xenopus tropicalis)
label: Conversion of C4 into C4a and C4b (Xenopus tropicalis)
label_lc: conversion of c4 into c4a and c4b (xenopus tropicalis)