test
node1
GO:0008168
methyltransferase
activity
node2
GO:0008171
O-methyltransferase
activity
node1->node2
node3
BFO:0000001
entity
node4
BFO:0000003
occurrent
node3->node4
node4->node4
node9
BFO:0000015
process
node4->node9
node5
GO:0016740
transferase activity
node6
GO:0016741
transferase activity,
transferring
one-carbon groups
node5->node6
node6->node1
node7
GO:0003824
catalytic activity
node7->node5
node8
GO:0003674
molecular_function
node8->node7
node9->node8