test
node1
GO:1901564
organonitrogen
compound metabolic
process
node2
GO:0006518
peptide metabolic
process
node1->node2
node3
GO:0046937
phytochelatin
metabolic process
node2->node3
node4
GO:0090424
phytochelatin-metal-
ulfur complex
formation
node3->node4
node5
BFO:0000003
occurrent
node5->node5
node9
BFO:0000015
process
node5->node9
node6
GO:0008152
metabolic process
node7
GO:0006807
nitrogen compound
metabolic process
node6->node7
node11
GO:0019748
secondary metabolic
process
node6->node11
node8
GO:0071704
organic substance
metabolic process
node6->node8
node12
GO:0043603
amide metabolic
process
node7->node12
node7->node1
node8->node1
node10
GO:0008150
biological_process
node9->node10
node10->node6
node11->node3
node12->node2
node13
BFO:0000001
entity
node13->node5