Table 1. Nicked Loop Aminoacyl Transfer of tRNA Acceptor Arm Mimics^a.

	aminoacyl donor RNA strand
	5′-l-Ala-pAGCGA		5′-d-Ala-pAGCGA		5′-Gly-pAGCGA
acceptor RNA strand	observed yield	corrected yield	observed yield	corrected yield	observed yield	corrected yield
5′-UCGCUUGCCA-3′	30%	55%	10%	15%	9%	11%
5′-UCGCUUACCA-3′	16%	30%	N.D.	N.D.	N.D.	N.D.
5′-UCGCUUCCCA-3′	N.D.	N.D.	N.D.	N.D.	N.D.	N.D.
5′-UCGCUUUCCA-3′	34%	57%	4%	6%	2%	3%
5′-UCGCUUGCCC-3′	N.D.	N.D.	N.D.	N.D.	N.D.	N.D.
5′-UCGCUUGCCG-3′	14%	25%	8%	12%	N.D.	N.D.
5′-UCGCUUGCCU-3′	N.D.	N.D.	N.D.	N.D.	N.D.	N.D.
5′-UCGCUUGCCA(2′d)-3′	4%	6%	–	–	–	–
5′-UCGCUUGCCA(3′d)-3′	N.D.	N.D.	–	–	–	–
5′-UCGCUUGCCCA-3′	22%	38%	15%	25%	17%	23%
5′-UCGCUACCA-3′	N.D.	N.D.	N.D.	N.D.	N.D.	N.D.
5′-UCGCUUCCA-3′	1%	2%	2%	4%	N.D.	N.D.

^aN.D.: product not detected. −:, experiments not performed.