test
node1
GO:0140535
intracellular
protein-containing
complex
node2
GO:0009337
sulfite reductase
complex (NADPH)
node1->node2
node3
GO:1902494
catalytic complex
node3->node2
node4
GO:0032991
protein-containing
complex
node4->node1
node4->node3
node5
GO:0005575
cellular_component
node5->node4