test
node1
GO:0016740
transferase activity
node2
GO:0016741
transferase activity,
transferring
one-carbon groups
node1->node2
node7
GO:0008168
methyltransferase
activity
node2->node7
node3
BFO:0000003
occurrent
node3->node3
node4
BFO:0000015
process
node3->node4
node5
GO:0003674
molecular_function
node4->node5
node6
GO:0003824
catalytic activity
node5->node6
node6->node1
node8
GO:0043781
cobalt-factor II
C20-methyltransferas
activity
node7->node8
node9
BFO:0000001
entity
node9->node3