>sp|B2IWJ8|RTCA_NOSP7 RNA 3'-terminal phosphate cyclase OS=Nostoc punctiforme GN=rtcA MIEIDGSYGEGGGQVLRTSLSLAAITGEPIRIAGIRAGRKKPGLAAQHLTAVRAAGRICN AQLRGDALGSMLLEFIPGSAVQAGIYTFDVSKAQEGGSAGAIALVLQTILLPLALATGNS QVTLKGGTHVNFSPTVTYIEQVYLPILQRMGVEAQVKLGAWGWFPQGGGEIELQVIGGTQ LGGINLLERGELQQVRGIAAVTELPSHIPQRMANRAENLLREAHLKVRVQTLREKGVAPG AGIFLTAEYQNSLTGFGGFGRLRLSAETVAEIACQQLLEFHYTGAAVDEHLADQLLLPAT LASQESQYQVAEVSRHLITNAAVIEQFGLAQIRVNEADKIVSVKSLTS