test
node1
GO:0019538
protein metabolic
process
node2
GO:0036211
protein modification
process
node1->node2
node16
GO:0070647
protein modification
by small protein
conjugation or
removal
node2->node16
node3
GO:0043170
macromolecule
metabolic process
node3->node1
node4
GO:0043412
macromolecule
modification
node3->node4
node4->node2
node5
BFO:0000003
occurrent
node5->node5
node6
BFO:0000015
process
node5->node6
node15
GO:0008150
biological_process
node6->node15
node7
GO:0008152
metabolic process
node8
GO:0006807
nitrogen compound
metabolic process
node7->node8
node11
GO:0044238
primary metabolic
process
node7->node11
node12
GO:0071704
organic substance
metabolic process
node7->node12
node10
GO:1901564
organonitrogen
compound metabolic
process
node8->node10
node9
BFO:0000001
entity
node9->node5
node10->node1
node11->node1
node12->node3
node12->node10
node13
GO:0032446
protein modification
by small protein
conjugation
node14
GO:0016567
protein
ubiquitination
node13->node14
node15->node7
node16->node13