test
node1
GO:0005515
protein binding
node2
GO:0001965
G-protein
alpha-subunit binding
node1->node2
node3
GO:0005488
binding
node3->node1
node4
BFO:0000003
occurrent
node4->node4
node5
BFO:0000015
process
node4->node5
node6
GO:0003674
molecular_function
node5->node6
node6->node3
node7
BFO:0000001
entity
node7->node4