test
node1
GO:0003674
molecular_function
node2
GO:0140104
molecular carrier
activity
node1->node2
node3
GO:0016530
metallochaperone
activity
node2->node3
node4
GO:0034986
iron chaperone
activity
node3->node4
node5
BFO:0000015
process
node5->node1
node6
BFO:0000003
occurrent
node6->node5
node6->node6
node7
BFO:0000001
entity
node7->node6