test
node1
GO:1990234
transferase complex
node2
GO:0034708
methyltransferase
complex
node1->node2
node3
GO:0005575
cellular_component
node4
GO:0032991
protein-containing
complex
node3->node4
node5
GO:0110165
cellular anatomical
entity
node3->node5
node7
GO:1902494
catalytic complex
node4->node7
node6
GO:0005622
intracellular
anatomical structure
node5->node6
node6->node2
node7->node1