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. 1998 Dec;62(4):1492–1553. doi: 10.1128/mmbr.62.4.1492-1553.1998

FIG. 12.

FIG. 12

The model of CPA1 regulation by arginine, originally proposed by Werner et al. (588). The key feature of this proposal is that the peptide product of the uORF is involved in blocking the passage of ribosomes beyond the end of the uORF in the presence of arginine. The induced pausing of the ribosome may involve a regulatory protein called CPAR, but no details are currently known.