Table 1 The conserved amino acid and conserved base contacts between the three SSU proteins (S3, S9, S12) and S13 and the 16S RNA.

16S-0515(ec.0532)-A

1

S03-156-Arg

4

16S-0515(ec.0532)-A

1

S03-159-Gly

4

16S-0515(ec.0532)-A

1

S03-161-Glu

4

16S-1354(ec.1372)-U

2

S09-069-Gly

1

16S-1327(ec.1346)-A

2

S09-107-Arg

2

16S-1328(ec.1347)-G

1

S09-107-Arg

2

16S-1326(ec.1345)-U

1

S09-120-Arg

2

16S-1327(ec.1346)-A

2

S09-120-Arg

2

16S-1330(ec.1349)-A

1

S09-120-Arg

2

16S-0885(ec.0908)-A

1

S12-021-Lys

2

16S-0886(ec.0909)-A

1

S12-021-Lys

2

16S-1468(ec.1491)-G

3

S12-046-Lys

3

16S-0890(ec.0913)-A

1

S12-047-Lys

4

16S-0505(ec.0522)-C

1

S12-049-Asn

1

16S-0510(ec.0527)-G

1

S12-049-Asn

1

16S-0511(ec.0528)-C

1

S12-049-Asn

1

16S-0512(ec.0529)-G

1

S12-049-Asn

1

16S-0501(ec.0518)-C

1

S12-050-Ser

2

16S-0502(ec.0519)-C

1

S12-050-Ser

2

16S-0512(ec.0529)-G

1

S12-050-Ser

2

16S-0503(ec.0520)-A

1

S12-052-Leu

4

16S-0504(ec.0521)-G

1

S12-053-Arg

2

16S-0505(ec.0522)-C

1

S12-053-Arg

2

16S-0506(ec.0523)-A

2

S12-053-Arg

2

16S-0503(ec.0520)-A

1

S12-054-Lys

1

16S-0504(ec.0521)-G

1

S12-054-Lys

1

16S-0505(ec.0522)-C

1

S12-069-Tyr

4

16S-0504(ec.0521)-G

1

S12-072-Gly

4

16S-0505(ec.0522)-C

1

S12-072-Gly

4

16S-0503(ec.0520)-A

1

S12-073-Glu

4

16S-0504(ec.0521)-G

1

S12-073-Glu

4

16S-0888(ec.0911)-U

1

S12-089-Arg

4

16S-0505(ec.0522)-C

1

S12-092-Asp

1

16S-0506(ec.0523)-A

2

S12-092-Asp

1

16S-0887(ec.0910)-C

1

S12-097-Arg

2

16S-0888(ec.0911)-U

1

S12-097-Arg

2

16S-1290(ec.1309)-G

1

S13-088-Arg

2

16S-1207(ec.1226)-C

1

S13-091-Arg

1

16S-1290(ec.1309)-G

1

S13-099-Arg

1