IUUC-Spo-108090 SPCC330.11 O74881 btb1; SPCC330.11 Schizosaccharomyces pombe IUUC-Spo-108232 SPBC25B2.06c O74778 btb2; SPBC25B2.06c Schizosaccharomyces pombe IUUC-Spo-108277 SPAC13D6.04c Q10225 btb3; SPAC13D6.04c Schizosaccharomyces pombe IUUC-Spo-108262 SPCC1682.15 O74444 mug122; SPCC1682.15 Schizosaccharomyces pombe