test
node1
GO:0008152
metabolic process
node2
GO:0044237
cellular metabolic
process
node1->node2
node5
GO:0006807
nitrogen compound
metabolic process
node1->node5
node15
GO:0071704
organic substance
metabolic process
node1->node15
node3
GO:0034641
cellular nitrogen
compound metabolic
process
node2->node3
node9
GO:0006725
cellular aromatic
compound metabolic
process
node2->node9
node10
GO:0046483
heterocycle metabolic
process
node2->node10
node4
GO:0042430
indole-containing
compound metabolic
process
node3->node4
node5->node3
node11
GO:1901564
organonitrogen
compound metabolic
process
node5->node11
node6
GO:1901360
organic cyclic
compound metabolic
process
node6->node4
node7
BFO:0000003
occurrent
node7->node7
node8
BFO:0000015
process
node7->node8
node13
GO:0008150
biological_process
node8->node13
node9->node4
node10->node4
node11->node4
node12
BFO:0000001
entity
node12->node7
node13->node1
node14
GO:0009987
cellular process
node13->node14
node14->node2
node15->node6
node15->node11