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dbr1-b

Gene
dbr1-b
Protein
Lariat debranching enzyme B
Organism
Xenopus laevis
Length
533 amino acids
Function
Cleaves the 2'-5' phosphodiester linkage at the branch point of lariat intron pre-mRNAs after splicing and converts them into linear molecules that are subsequently degraded. It thereby facilitates ribonucleotide turnover. It may also participate in retrovirus replication via an RNA lariat intermediate in cDNA synthesis (By similarity).
Similarity
Belongs to the lariat debranching enzyme family.
Mass
60.593 kDa
Sequence
MKIAVEGCCHGELDKIYETIQFLEKKENTKVELLLCCGDFQAVRNEGDMKCMAVPVKYRQMQTFYKYYSGEKKAPILTIFIGGNHEASNYLQELPYGGWVAPNIYYMGYAGVVKYRGVRIGGISGIFKSHDYRKGHFERLPYGKDTVRSAYHVRSIEVFKLKQLKEPMDIFLSHDWPRSIYHYGNKKQLLKKKDFFRQEVEDNTLGSPAASELLLHIQPSYWFSAHLHVKFAAFMQHQTNVDGEIPKATKFLALDKCLPRREFLQIVDVEHDSAKSECLEYDLEWLSVLKATKDLLNITPNTWNMPENNGLHSRWDFSASEETKREVVSDLGHDLKIPCNFSMTTACYDPNNPQYKRVATHIVNPQTTEFCARLGLVDLNAKICQNEEENFDIAEDNEADSIGSAEDPGEYSTDTSVLSTSVNPDEITLEDDDDQEDEGMEDKLGEPSPEYTPDLSINLSKIRVLPDSMAVSSDDATDSTNDELDRSESSQTEGEGKPSNRPLKRISDENGSGGVKIKRRNQAIYQAKDDEDE