Protein
Endoribonuclease LACTB2
Organism
Xenopus tropicalis
Function
Endoribonuclease; cleaves preferentially 3' to purine-pyrimidine dinucleotide motifs in single-stranded RNA. The cleavage product contains a free 3' -OH group. Has no activity with double-stranded RNA or DNA. Required for normal mitochondrial function and cell viability.
Similarity
Belongs to the metallo-beta-lactamase superfamily. Glyoxalase II family.
Sequence
MALSVLPRLEQLSARVVRVLGCNPGPMTLQGTNTYLVGTGPRRILIDTGEPAVPEYISCLKQALTEFNTSIQEIIVTHWHVDHVGGIADICTDIMNGCNFSVSKLPRNPHQEEVIGAVEHKYNYLKDGDIITTEGATLRVLYTPGHTDDHMALELLEENAIFSGDCILGEGTAVFEDLYDYMKSLEKLLEMKADKIYPGHGPVVLGARAKIQEYISHRHAREQQILQALQENSGRSFTSMDLVKIVYKDTPEYLHKAAEFNLTHHLQKLKKEGKISEEQSPTVRWRSNL