ID Q99ME6; PN Protein ATP1B4; GN Atp1b4; OS 10090; SL Nucleus Position: SL-0178; SL Nucleus Position: SL-0179; SL Nucleus Position: SL-0182; SL Comments: Nucleus inner membrane {ECO:0000250}; Single-pass type II membrane protein {ECO:0000250}. Note=Detected in nuclear envelops. {ECO:0000250}. DR UNIPROT: Q99ME6; DR UNIPROT: Q543D0; DR UNIPROT: Q99ME5; DR Pfam: PF00287; DR PROSITE: PS00390; DR PROSITE: PS00391; DE Function: May act as a transcriptional coregulator during muscle development through its interaction with SNW1. Has lost its ancestral function as a Na,K-ATPase beta-subunit (By similarity). {ECO:0000250}. DE Reference Proteome: Yes; DE Interaction: Q6ZWR6; IntAct: EBI-15644511; Score: 0.37 DE Interaction: Q921T2; IntAct: EBI-15644413; Score: 0.37 DE Interaction: Q9CSN1; IntAct: EBI-15644494; Score: 0.37 GO GO:0000785; GO GO:0005635; GO GO:0005637; GO GO:0005634; GO GO:0005890; GO GO:0006813; GO GO:0006355; GO GO:0006814; TP Membrane Topology: Transmembrane; Source: UniProt - Sequence Analysis {ECO:0000255}; SQ MRRQLRSRRAPAFPYGYRYRLDDQDEANHNYLADEEEEAEEEAQVMMVPGLEEEEEEEEGKEEEEEREEEEGQGQSTGSA SQ WWRKLQIVNEYLWDPEKRMSLARTGQSRSLILVIYFFFYASLAAVITLFIYMLFLAISPYMPTFTEQVKPPGVMIRPFAH SQ SLNFNFNVSEPETWQRYVISLNGFLQGYNDSLQEEMNIDCPPGRYFIQDGDEDEDKKACQFKRSFLKNCSGLEDPTFGYS SQ TGQPCILLKMNRIVGFRPEFGDPVKVSCKVQKGDENDIRSINYYPESASFDLRYYPYYGKLTHVNYTSPLVAMHFTDVVK SQ NQAVPVQCQLKGKGIVNDVINDRFVGRIIFTLNIET //