Protein
Ribonuclease III domain-containing protein RNC1, chloroplastic
Organism
Oryza sativa subsp. japonica
Function
Binds specific group II introns in chloroplasts and facilitates their splicing. Acts on both subgroup IIA and subgroup IIB introns. The substrates of the subgroup II also require the CRM domain proteins CAF1 or CAF2. Binds both single-stranded and double-stranded RNA non-specifically, but lacks endonuclease activity. Required for plastid ribosome biogenesis.
Sequence
MAPPAMAFQALALGPLPLPLPAARRRRRVRVLAVAADHTPPPPPSPSSPPEPANSPSRLLRELAERKKAVSPKKKHPPRRFILKPPLDDERLTQRFLSSPQLSLKALPLLSSCLPSAPLSAADRTWMDEYLLEAKQALGYPLAPSETLGDGDDDGCPARHFDVLLYLAFQHLDTSCERTRTRHVRSGHSRLWFLGQYVLELAFCEFFLQRYPRESPGPMRERVFALIGKRAIPKWIKAASLHNLVFPYDDLDKMIRKDREPPAKAVFWALFGAIYLCFGMPEVYRVLFEAFGMDPEDESCQPKLRRQLEDVDYVSVEFEKRQLTWQDVAAYRPPPDALFAHPRLFRACVPPGMHRFRGNIWDFDNRPKVMNTLGYPLPMNDRIPEITEARNIELGLGLQLCFLHPSKHKFEHPRFCLERLEYVGQKIQDLVMAERLLMKHLDAPGRWLAEKHRRLLMNKYCGRYLRDKHLHHYIIYGESVQDRFEHNRRLRNPSTTAVQQAIHGLAYCVYGKPDVRRLMFEVFDFEQVQPKAV