Table 1.

Frequency of different SDs in Escherichia coli protein-coding genes, ordered according to their pairing position along the 3′ end of ssu rRNA

Putative SD	Count
GAUC	85
UGAU	191
UGAUC	11
GUGA	146
GUGAU	26
GUGAUC	10
GGUG	72
GGUGA	42
GGUGAU	11
GGUGAUC	2
AGGU	168
AGGUG	42
AGGUGA	27
AGGUGAU	7
AGGUGAUC	2
GAGG	377
GAGGU	152
GAGGUG	41
GAGGUGA	25
GAGGUGAU	4
GAGGUGAUC	1
GGAG	479
GGAGG	167
GGAGGU	35
GGAGGUG	10
GGAGGUGA	5
GGAGGUGAU	1
AGGA	409
AGGAG	288
AGGAGG	54
AGGAGGU	13
AGGAGGUG	5
AGGAGGUGAU	1
AAGG	239
AAGGA	256
AAGGAG	169
AAGGAGG	23
AAGGAGGU	5
AAGGAGGUGA	1
AAGGAGGUG	2
UAAG	222
UAAGG	109
UAAGGA	152
UAAGGAG	121
UAAGGAGG	10
UAAGGAGGUG	1