ID Q9Z1B3; PN 1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase beta-1; GN Plcb1; OS 10090; SL Nucleus Position: SL-0178; SL Nucleus Position: SL-0182; SL Comments: Nucleus membrane {ECO:0000269|PubMed:18802028}. Cytoplasm {ECO:0000250|UniProtKB:P10687}. Note=Colocalizes with the adrenergic receptors, ADREN1A and ADREN1B, at the nuclear membrane of cardiac myocytes. {ECO:0000269|PubMed:18802028}. DR UNIPROT: Q9Z1B3; DR UNIPROT: Q62075; DR UNIPROT: Q6PDH1; DR UNIPROT: Q8K5A5; DR UNIPROT: Q8K5A6; DR UNIPROT: Q9Z0E5; DR UNIPROT: Q9Z2T5; DR Pfam: PF06631; DR Pfam: PF09279; DR Pfam: PF17787; DR Pfam: PF00388; DR Pfam: PF00387; DR Pfam: PF08703; DR PROSITE: PS50004; DR PROSITE: PS50007; DR PROSITE: PS50008; DE Function: Catalyzes the hydrolysis of 1-phosphatidylinositol 4,5- bisphosphate into diacylglycerol (DAG) and inositol 1,4,5-trisphosphate (IP3) and mediates intracellular signaling downstream of G protein- coupled receptors (PubMed:27653213). Regulates the function of the endothelial barrier (PubMed:27653213). {ECO:0000269|PubMed:27653213, ECO:0000303|PubMed:27653213}. DE Reference Proteome: Yes; DE Interaction: P35438; IntAct: EBI-398049; Score: 0.35 DE Interaction: P63101; IntAct: EBI-2255635; Score: 0.35 DE Interaction: Q4ACU6; IntAct: EBI-16726570; Score: 0.53 DE Interaction: Q6NZM9; IntAct: EBI-26472137; Score: 0.35 DE Interaction: P16056; IntAct: EBI-27118288; Score: 0.35 GO GO:0000785; GO GO:0005737; GO GO:0005829; GO GO:0098982; GO GO:0098978; GO GO:0016020; GO GO:0043209; GO GO:0031965; GO GO:0016607; GO GO:0005634; GO GO:0005886; GO GO:0098794; GO GO:0032991; GO GO:0005509; GO GO:0005516; GO GO:0019899; GO GO:0005096; GO GO:0042802; GO GO:0005521; GO GO:0004435; GO GO:0005546; GO GO:0060466; GO GO:0007420; GO GO:0007155; GO GO:1902618; GO GO:1905631; GO GO:1904637; GO GO:1904117; GO GO:0021987; GO GO:0030218; GO GO:0045444; GO GO:0007213; GO GO:0000086; GO GO:0007215; GO GO:0032957; GO GO:0008286; GO GO:0048009; GO GO:0070498; GO GO:0035722; GO GO:0035723; GO GO:0007612; GO GO:0030225; GO GO:0007613; GO GO:0006397; GO GO:0045892; GO GO:2000438; GO GO:0001556; GO GO:0031161; GO GO:0046488; GO GO:0048015; GO GO:2000344; GO GO:2000560; GO GO:0048639; GO GO:0045893; GO GO:0040019; GO GO:1900087; GO GO:0032735; GO GO:0046330; GO GO:0045663; GO GO:0032417; GO GO:0099170; GO GO:1903140; GO GO:0080154; GO GO:0008277; GO GO:0099178; GO GO:0034284; GO GO:0043434; GO GO:0007165; TP Membrane Topology: Lipid-Anchored; Source: UniProt - Experimental Evidence {ECO:0000269|PubMed:27653213}; SQ MAGAQPGVHALQLKPVCVSDSLKKGTKFVKWDDDSTIVTPIILRTDPQGFFFYWTDQNKETELLDLSLVKDARCGKHAKA SQ PKDPKLRELLDVGNIGHLEQRMITVVYGPDLVNISHLNLVAFQEEVAKEWTNEVFSLATNLLAQNMSRDAFLEKAYTKLK SQ LQVTPEGRIPLKNIYRLFSADRKRVETALEACSLPSSRNDSIPQEDFTPDVYRVFLNNLCPRPEIDNIFSEFGAKSKPYL SQ TVDQMMDFINLKQRDPRLNEILYPPLKQEQVQVLIEKYEPNSSLAKKGQMSVDGFMRYLSGEENGVVSPEKLDLNEDMSQ SQ PLSHYFINSSHNTYLTAGQLAGNSSVEMYRQVLLSGCRCVELDCWKGRTAEEEPVITHGFTMTTEISFKEVIEAIAECAF SQ KTSPFPILLSFENHVDSPKQQAKMAEYCRLIFGDALLMEPLEKYPLESGVPLPSPMDLMYKILVKNKKKSHKSSEGSGKK SQ KLSEQASNTYSDSSSVFEPSSPGAGEADTESDDDDDDDDCKKSSMDEGTAGSEAMATEEMSNLVNYIQPVKFESFEISKK SQ RNKSFEMSSFVETKGLEQLTKSPVEFVEYNKMQLSRIYPKGTRVDSSNYMPQLFWNAGCQMVALNFQTVDLAMQINMGMY SQ EYNGKSGYRLKPEFMRRPDKHFDPFTEGIVDGIVANTLSVKIISGQFLSDKKVGTYVEVDMFGLPVDTRRKAFKTKTSQG SQ NAVNPVWEEEPIVFKKVVLPSLACLRIAAYEEGGKFIGHRILPVQAIRPGYHYICLRNERNQPLTLPAVFVYIEVKDYVP SQ DTYADVIEALSNPIRYVNLMEQRAKQLAALTLEDEEEVKKEADPGETSSEAPSETRTTPAENGVNHTASLAPKPPSQAPH SQ SQPAPGSVKAPAKTEDLIQSVLTEVEAQTIEELKQQKSFVKLQKKHYKEMKDLVKRHHKKTTELIKEHTTKYNEIQNDYL SQ RRRAALEKSAKKDSKKKSEPSSPDHGSSAIEQDLAALDAEMTQKLIDLKDKQQQQLLNLRQEQYYSEKYQKREHIKLLIQ SQ KLTDVAEECQNNQLKKLKEICEKEKKELKKKMDKKRQEKITEAKSKDKSQMEEEKTEMIRSYIQEVVQYIKRLEEAQSKR SQ QEKLVEKHNEIRQQILDEKPKLQTELEQEYQDKFKRLPLEILEFVQEAMKGKISEDSNHGSAPPSLASDAAKVNLKSPSS SQ EEIERENPGREFDTPL //