IUUC-Csv-026255 ENSCSAVG00000005013.1 H2YSY5 Ciona savignyi IUUC-Csv-026033 ENSCSAVG00000001435.1 H2YAU1 Ciona savignyi IUUC-Csv-026088 ENSCSAVG00000001018.1 H2Y8U8 Ciona savignyi