ID Q9UN42; PN Protein ATP1B4; GN ATP1B4; OS 9606; 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:0000269|PubMed:14656723, ECO:0000269|PubMed:17592128}. DR UNIPROT: Q9UN42; DR UNIPROT: Q17RR0; DR UNIPROT: Q9UN41; DR Pfam: PF00287; DR PROSITE: PS00390; DR PROSITE: PS00391; DR OMIM: 301073; DR DisGeNET: 23439; 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. {ECO:0000269|PubMed:17592128}. DE Reference Proteome: Yes; DE Interaction: Q9H1E5; IntAct: EBI-21789423; Score: 0.35 DE Interaction: Q5BVD1; IntAct: EBI-24610156; Score: 0.56 DE Interaction: P07306; IntAct: EBI-24622793; Score: 0.56 DE Interaction: Q7Z2K6; IntAct: EBI-24534258; Score: 0.56 DE Interaction: Q9BZL3; IntAct: EBI-24550199; Score: 0.56 DE Interaction: O60636; IntAct: EBI-24576756; Score: 0.56 DE Interaction: Q8N6G5; IntAct: EBI-24583309; Score: 0.56 DE Interaction: Q07325; IntAct: EBI-24593256; Score: 0.56 DE Interaction: Q8WVV5; IntAct: EBI-21789423; Score: 0.35 DE Interaction: Q9Y219; IntAct: EBI-21789423; Score: 0.35 DE Interaction: Q9UK28; IntAct: EBI-21789423; Score: 0.35 DE Interaction: Q9NQZ7; IntAct: EBI-21789423; Score: 0.35 DE Interaction: Q9HCN3; IntAct: EBI-21789423; Score: 0.35 DE Interaction: Q9BZ76; IntAct: EBI-21789423; Score: 0.35 DE Interaction: Q96J42; IntAct: EBI-21789423; Score: 0.35 DE Interaction: Q8TCT7; IntAct: EBI-21789423; Score: 0.35 DE Interaction: Q8N766; IntAct: EBI-21789423; Score: 0.35 DE Interaction: Q86UD1; IntAct: EBI-21789423; Score: 0.35 DE Interaction: Q5HYA8; IntAct: EBI-21789423; Score: 0.35 DE Interaction: Q14393; IntAct: EBI-21789423; Score: 0.35 DE Interaction: Q13733; IntAct: EBI-21789423; Score: 0.35 DE Interaction: Q13683; IntAct: EBI-21789423; Score: 0.35 DE Interaction: Q03167; IntAct: EBI-21789423; Score: 0.35 DE Interaction: P55899; IntAct: EBI-21789423; Score: 0.35 DE Interaction: O75298; IntAct: EBI-21789423; Score: 0.35 DE Interaction: Q9CSN1; IntAct: EBI-15644307; Score: 0.40 GO GO:0005887; GO GO:0005635; GO GO:0005637; GO GO:0005890; GO GO:0022890; GO GO:0006813; GO GO:0006355; GO GO:0006814; TP Membrane Topology: Transmembrane; Source: UniProt - Sequence Analysis {ECO:0000255}; SQ MRRQLRSRRAPSFPYSYRYRLDDPDEANQNYLADEEEEAEEEARVTVVPKSEEEEEEEEKEEEEEEEKEEEEGQGQPTGN SQ AWWQKLQIMSEYLWDPERRMFLARTGQSWSLILLIYFFFYASLAAVITLCMYTLFLTISPYIPTFTERVKPPGVMIRPFA SQ HSLNFNFNVSEPDTWQHYVISLNGFLQGYNDSLQEEMNVDCPPGQYFIQDGNEDEDKKACQFKRSFLKNCSGLEDPTFGY SQ STGQPCILLKMNRIVGFRPELGDPVKVSCKVQRGDENDIRSISYYPESASFDLRYYPYYGKLTHVNYTSPLVAMHFTDVV SQ KNQAVPVQCQLKGKGVINDVINDRFVGRVIFTLNIET //