TABLE 3.

Amino acid identities and similarities between 16S rRNA methyltransferases

Methyltransferasea% Amino acid similarity or identityb
ArmAGrmAGrmBFmrOSgmKgmKmrNbrBKgmBMagrA
ArmA46.946.037.346.246.239.443.341.245.0
GrmA25.395.641.596.098.570.574.570.249.3
GrmB24.989.442.092.794.969.872.769.950.0
FmrO20.825.325.940.241.142.940.039.743.6
Sgm26.089.886.524.094.569.472.368.148.2
Kgm26.395.289.425.388.370.173.469.549.6
Kmr21.551.451.127.451.850.770.668.745.0
NbrB25.959.955.728.757.858.554.389.049.1
KgmB24.955.052.831.257.854.252.185.945.0
MagrA29.830.831.524.730.430.826.629.928.2
  • a The methyltransferases were ArmA from K. pneumoniae BM4536, GrmA from M. purpurea (GenBank accession number P24618 ), GrmB from M. rosea (GenBank accession number P24619 ), FmrO from M. olivasterospora (GenBank accession number Q08325 ), Sgm from M. zionensis (GenBank accession number A45282 ), Kgm from S. lividans (GenBank accession number CAC93944 ), Kmr from S. kanamyceticus (GenBank accession number CAA75800 ), NbrB from S. hindustanus (GenBank accession number AAB95477 ), KgmB from S. tenebrarius (GenBank accession number S17717 ), and MagrA from P. aeruginosa (GenBank accession number AB083212 ).

  • b Percent amino acid similarity values are presented in the upper half (above the diagonal space), and percent identity values are given in the lower half (below the diagonal space).