test
node1
GO:0110165
cellular anatomical
entity
node2
GO:0012505
endomembrane system
node1->node2
node4
GO:0016020
membrane
node1->node4
node5
GO:0042175
nuclear outer
membrane-endoplasmic
reticulum membrane
network
node2->node5
node3
GO:0005575
cellular_component
node3->node1
node4->node5