GO:0016324; C:apical plasma membrane; IEA:UniProtKB-SubCell.
GO:0016323; C:basolateral plasma membrane; IDA:UniProtKB.
GO:0043034; C:costamere; ISS:BHF-UCL.
GO:0005856; C:cytoskeleton; IEA:UniProtKB-SubCell.
GO:0005829; C:cytosol; TAS:Reactome.
GO:0005887; C:integral to plasma membrane; IEA:Compara.
GO:0014704; C:intercalated disc; ISS:BHF-UCL.
GO:0031430; C:M band; ISS:BHF-UCL.
GO:0048471; C:perinuclear region of cytoplasm; IEA:Compara.
GO:0045211; C:postsynaptic membrane; IEA:UniProtKB-SubCell.
GO:0030315; C:T-tubule; ISS:BHF-UCL.
GO:0030018; C:Z disc; ISS:BHF-UCL.
GO:0051117; F:ATPase binding; ISS:BHF-UCL.
GO:0044325; F:ion channel binding; ISS:BHF-UCL.
GO:0015459; F:potassium channel regulator activity; IEA:Compara.
GO:0030674; F:protein binding, bridging; ISS:BHF-UCL.
GO:0003283; P:atrial septum development; IMP:BHF-UCL.
GO:0007411; P:axon guidance; TAS:Reactome.
GO:0060048; P:cardiac muscle contraction; IEA:Compara.
GO:0006874; P:cellular calcium ion homeostasis; ISS:BHF-UCL.
GO:0086046; P:membrane depolarization involved in regulation of SA node cell action potential; TAS:BHF-UCL.
GO:1901021; P:positive regulation of calcium ion transmembrane transporter activity; ISS:BHF-UCL.
GO:0051928; P:positive regulation of calcium ion transport; ISS:BHF-UCL.
GO:2001259; P:positive regulation of cation channel activity; ISS:BHF-UCL.
GO:0010628; P:positive regulation of gene expression; IGI:BHF-UCL.
GO:1901018; P:positive regulation of potassium ion transmembrane transporter activity; ISS:BHF-UCL.
GO:0043268; P:positive regulation of potassium ion transport; ISS:BHF-UCL.
GO:0034394; P:protein localization to cell surface; ISS:BHF-UCL.
GO:0070972; P:protein localization to endoplasmic reticulum; IGI:BHF-UCL.
GO:0036309; P:protein localization to M-band; ISS:BHF-UCL.
GO:0036371; P:protein localization to T-tubule; ISS:BHF-UCL.
GO:0050821; P:protein stabilization; ISS:BHF-UCL.
GO:0072661; P:protein targeting to plasma membrane; IEA:Compara.
GO:0086014; P:regulation of atrial cardiac muscle cell action potential; IMP:BHF-UCL.
GO:0010881; P:regulation of cardiac muscle contraction by regulation of the release of sequestered calcium ion; IGI:BHF-UCL.
GO:0086091; P:regulation of heart rate by cardiac conduction; IMP:BHF-UCL.
GO:0086005; P:regulation of ventricular cardiac muscle cell action potential; IMP:BHF-UCL.
GO:0060307; P:regulation of ventricular cardiac muscle cell membrane repolarization; IMP:BHF-UCL.
GO:0070296; P:sarcoplasmic reticulum calcium ion transport; TAS:BHF-UCL.
GO:0033292; P:T-tubule organization; ISS:BHF-UCL.