test
node1
BFO:0000001
entity
node2
BFO:0000003
occurrent
node1->node2
node2->node2
node3
BFO:0000015
process
node2->node3
node4
GO:0003674
molecular_function
node3->node4
node7
GO:0005488
binding
node4->node7
node5
GO:0003676
nucleic acid binding
node6
GO:0003677
DNA binding
node5->node6
node8
GO:0097159
organic cyclic
compound binding
node7->node8
node9
GO:1901363
heterocyclic compound
binding
node7->node9
node8->node5
node9->node5