Fold: alpha/beta knot [75216]
core: 3 layers: a/b/a, parallel beta-sheet of 5 strands, order 21435; contains a deep trefoil knot
Superfamilies:
alpha/beta knot [75217] (8) known or predicted SAM-dependent methytransferases including the SPOUT 'sequence' superfamily all known members have dimeric structures uperfamily