test
node1
GO:0140299
small molecule sensor
activity
node2
GO:0140784
metal ion sensor
activity
node1->node2
node10
GO:0061891
calcium ion sensor
activity
node2->node10
node3
GO:0046872
metal ion binding
node4
GO:0005509
calcium ion binding
node3->node4
node4->node10
node5
GO:0003674
molecular_function
node11
GO:0005488
binding
node5->node11
node5->node1
node6
GO:0043169
cation binding
node6->node3
node7
BFO:0000003
occurrent
node7->node7
node8
BFO:0000015
process
node7->node8
node8->node5
node9
GO:0043167
ion binding
node9->node6
node11->node9
node12
BFO:0000001
entity
node12->node7