Formation of the CRS2-CAF2 Group II Intron Splicing Complex Is Mediated by a 22-Amino Acid Motif in the COOH-terminal Region of CAF2

CRS2-associated factors 1 and 2 (CAF1 and CAF2) are closely related proteins that function in concert with chloroplast RNA splicing 2 (CRS2) to promote the splicing of specific sets of group II introns in maize chloroplasts. The CRS2-CAF complexes bind tightly to their cognate group II introns in vi...

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