preferred_name: 4 PBGs bind to form HMB (Schizosaccharomyces pombe)
preferred_name_lc: 4 pbgs bind to form hmb (schizosaccharomyces pombe)
label: 4 PBGs bind to form HMB (Schizosaccharomyces pombe)
label_lc: 4 pbgs bind to form hmb (schizosaccharomyces pombe)