TRANSFERASE, YP_325210.1, SAM-DEPENDENT METHYLTRANSFERASE, STRUCTURAL GENOMICS, JOINT CENTER FOR STRUCTURAL GENOMICS, JCSG, PROTEIN STRUCTURE INITIATIVE, PSI-2 CRYSTAL STRUCTURE OF SAM-DEPENDENT METHYLTRANSFERASE (YP_325210.1) FROM ANABAENA VARIABILIS ATCC 29413 AT 2.11 A RESOLUTION 3GGD