Skip to main content
. 2012 Sep 23;40(21):10916–10924. doi: 10.1093/nar/gks876

Figure 6.

Figure 6.

Two possible evolutionary routes to convert between Type IA/IC RM systems and Type IB RM systems via a Type IMS RM system with HsdM subunit fused to HsdS subunit. The colouring scheme for structural domains is the same as in Figure 1.