test
node1
GO:0046914
transition metal ion
binding
node2
GO:0005506
iron ion binding
node1->node2
node6
GO:0008198
ferrous iron binding
node2->node6
node3
GO:0005488
binding
node10
GO:0043167
ion binding
node3->node10
node14
GO:0051098
regulation of binding
node3->node14
node4
GO:0051099
positive regulation
of binding
node3->node4
node5
GO:1904434
positive regulation
of ferrous iron
binding
node4->node5
node13
GO:1904432
regulation of ferrous
iron binding
node6->node13
node6->node5
node7
GO:0003674
molecular_function
node7->node3
node8
GO:0044093
positive regulation
of molecular function
node7->node8
node15
GO:0065009
regulation of
molecular function
node7->node15
node8->node4
node9
BFO:0000003
occurrent
node9->node9
node11
BFO:0000015
process
node9->node11
node16
GO:0043169
cation binding
node10->node16
node11->node7
node12
GO:0008150
biological_process
node11->node12
node18
GO:0065007
biological regulation
node12->node18
node13->node5
node14->node4
node14->node13
node15->node8
node15->node14
node17
GO:0046872
metal ion binding
node16->node17
node17->node1
node18->node15
node19
BFO:0000001
entity
node19->node9