12291 | GO:0001508
| IMP | acts_upstream_of_or_within | action potential | 17761775
| Process | 12291 | GO:0002027
| IMP | acts_upstream_of_or_within | regulation of heart rate | 16690884
| Process | 12291 | GO:0007268
| IGI | acts_upstream_of_or_within | chemical synaptic transmission | 19657020
| Process | 12291 | GO:0010045
| IMP | acts_upstream_of_or_within | response to nickel cation | 16690884
| Process | 12291 | GO:0060371
| IMP | acts_upstream_of_or_within | regulation of atrial cardiac muscle cell membrane depolarization | 16690884
| Process | 12291 | GO:0070588
| IMP | involved_in | calcium ion transmembrane transport | 16690884
| Process | 12291 | GO:0086002
| IMP | involved_in | cardiac muscle cell action potential involved in contraction | 16690884
| Process | 12291 | GO:0086015
| IMP | involved_in | SA node cell action potential | 16690884
| Process | 12291 | GO:0086016
| IMP | involved_in | AV node cell action potential | 16690884
| Process | 12291 | GO:0086018
| IMP | involved_in | SA node cell to atrial cardiac muscle cell signaling | 16690884
| Process | 12291 | GO:0086027
| IMP | involved_in | AV node cell to bundle of His cell signaling | 16690884
| Process | 12291 | GO:0086045
| IMP | involved_in | membrane depolarization during AV node cell action potential | 16690884
| Process | 12291 | GO:0086046
| IMP | involved_in | membrane depolarization during SA node cell action potential | 16690884
| Process | 12291 | GO:0086091
| IMP | involved_in | regulation of heart rate by cardiac conduction | 16690884
| Process |