test
node1
BFO:0000015
process
node2
GO:0003674
molecular_function
node1->node2
node5
GO:0005488
binding
node2->node5
node3
GO:0015631
tubulin binding
node4
GO:0008017
microtubule binding
node3->node4
node9
GO:0005515
protein binding
node5->node9
node6
BFO:0000001
entity
node7
BFO:0000003
occurrent
node6->node7
node7->node1
node7->node7
node8
GO:0008092
cytoskeletal protein
binding
node8->node3
node9->node8