Protein
Telomerase Cajal body protein 1 homolog
Organism
Drosophila melanogaster
Function
RNA chaperone that plays a key role in Cajal body formation (PubMed:24149844). Specifically recognizes and binds the Cajal body box (CAB box) present in both small Cajal body RNAs (scaRNAs) (PubMed:19285445). Probably acts by mediating localization of scaRNAs to Cajal bodies (PubMed:24149844).
Similarity
Belongs to the TCAB1 family.
Sequence
MIENSFKMEMHFKNRWQAASLFLRYPRTVTLCLSGKSGDMDESVNLSTSMGDVEASMLNHNVSFSSTMVTSNGDLSLPKLSVTLSAEEILKLRSGRPKNAVESPHAGVPMETSLAAEEEANGDEEEESVRVVDIEDTLELTSNGNEAKPEDQELAIAPVLQYFQGALVELGRRCWTSSTEAQHYTKGCYWSPDGTCLLVPVHLDGMHVIEMPSDLYSADTVQPARSLTKLQSEVHVPEGGTVYDCVWYPHMNSLQPETCLWLATRQHEPIHMWDAFDGSLRCSYSGYDAVDEVMAAISLAFSHDGEQIYAGYKRCIKIFDTSRPGRFCDDYPVKFAISCIAQTTAHPHTLTCGNWHGYIQHFDLRCSHKQGPLFTLGGHKGGITQLRYGEFGNGEWHLFSGARKCDKILQWDMRNYKQPLVELQRHVDTNQRIQFDLASDSNWLASGDTRGFVNVWDLKKYGDPSVLPLHSDCCNGVALNPAMPILATSSGQFHFTDQSAQGDNVTLNGTETTELPAPADVNQNQKEVLYENAVVMWWCGQTG