IntAct European Bioinformatics Institute IntAct intact http://www.ebi.ac.uk/ http://www.ebi.ac.uk/intact/query/${ac} EBI-[0-9]+|IA:[0-9]+ INTerAction database (IntAct) provides an open source database and toolkit for the storage, presentation and analysis of molecular interactions. http://www.ebi.ac.uk/intact European Bioinformatics Institute; Wellcome Trust Genome Campus; Hinxton, Cambridge; CB10 1SD; United Kingdom http://www.ebi.ac.uk/intact/ http://www.ebi.ac.uk/ bianchi-2001-1 Binding of phosphatase-1 delta to the retinoblastoma protein pRb involves domains that include substrate recognition residues and a pRB binding motif. in vitro In vitro pull down pull down western blot western blot Immuno blot Immuno blot Bianchi M., Villa-Moruzzi E. Cancer - Interactions investigated in the context of cancer The OMIM entry 600590 confirms that PP1-beta is also referred to as PP1-delta. villa@biomed.unipi.it Biochem. Biophys. Res. Commun. (0006-291X) 2001 Only protein-protein interactions imex curation rb_human Retinoblastoma-associated protein pRb pp110 p105-Rb RB1 p110-RB1 protein protein human Homo sapiens Human MPPKTPRKTAATAAAAAAEPPAPPPPPPPEEDPEQDSGPEDLPLVRLEFEETEEPDFTALCQKLKIPDHVRERAWLTWEKVSSVDGVLGGYIQKKKELWGICIFIAAVDLDEMSFTFTELQKNIEISVHKFFNLLKEIDTSTKVDNAMSRLLKKYDVLFALFSKLERTCELIYLTQPSSSISTEINSALVLKVSWITFLLAKGEVLQMEDDLVISFQLMLCVLDYFIKLSPPMLLKEPYKTAVIPINGSPRTPRRGQNRSARIAKQLENDTRIIEVLCKEHECNIDEVKNVYFKNFIPFMNSLGLVTSNGLPEVENLSKRYEEIYLKNKDLDARLFLDHDKTLQTDSIDSFETQRTPRKSNLDEEVNVIPPHTPVRTVMNTIQQLMMILNSASDQPSENLISYFNNCTVNPKESILKRVKDIGYIFKEKFAKAVGQGCVEIGSQRYKLGVRLYYRVMESMLKSEEERLSIQNFSKLLNDNIFHMSLLACALEVVMATYSRSTSQNLDSGTDLSFPWILNVLNLKAFDFYKVIESFIKAEGNLTREMIKHLERCEHRIMESLAWLSDSPLFDLIKQSKDREGPTDHLESACPLNLPLQNNHTAADMYLSPVRSPKKKGSTTRVNSTANAETQATSAFQTQKPLKSTSLSLFYKKVYRLAYLRLNTLCERLLSEHPELEHIIWTLFQHTLQNEYELMRDRHLDQIMMCSMYGICKVKNIDLKFKIIVTAYKDLPHAVQETFKRVLIKEEEYDSIIVFYNSVFMQRLKTNILQYASTRPPTLSPIPHIPRSPYKFPSSPLRIPGGNIYISPLKSPYKISEGLPTPTKMTPRSRILVSIGESFGTSEKFQKINQMVCNSDRVLKRSAEGSNPPKPLKKLRFDIEGSDEADGSKHLPGESKFQQKLAEMTSTRTRMQKQKMNDSMDTSNKEEK pp1b_rat Serine/threonine-protein phosphatase PP1-beta catalytic subunit Ppp1cb protein protein rat Rattus norvegicus (Rat) Rat MADGELNVDSLITRLLEVRGCRPGKIVQMTEAEVRGLCIKSREIFLSQPILLELEAPLKICGDIHGQYTDLLRLFEYGGFPPEANYLFLGDYVDRGKQSLETICLLLAYKIKYPENFFLLRGNHECASINRIYGFYDECKRRFNIKLWKTFTDCFNCLPIAAIVDEKIFCCHGGLSPDLQSMEQIRRIMRPTDVPDTGLLCDLLWSDPDKDVQGWGENDRGVSFTFGADVVSKFLNRHDLDLICRAHQVVEDGYEFFAKRQLVTLFSAPNYCGEFDNAGGMMSVDETLMCSFQILKPSEKKAKYQYGGLNSGRPVTPPRTANPPKKR ppp1cb-rb1 PP1 delta pulls down pRb from HeLa cell extracts 595502 N/A 595503 unspecified role unspecified role prey prey region sufficient to bind sufficient binding region sufficient to bind deletion analysis deletion analysis certain certain sequence position certain certain certain sequence position certain false region sufficient to bind sufficient binding region sufficient to bind deletion analysis deletion analysis certain certain sequence position certain certain certain sequence position certain false human-hela Homo sapiens epitheloid cervix carcinoma cells Human hela Human epitheloid cervix carcinoma HeLa cells derivation: cervix; epithelial; adenocarcinoma ATCC no:CCL-2 N/A 595504 unspecified role unspecified role bait bait region gst tag glutathione s tranferase tag glutathione S-tranferase tag glutathione S-tranferase tag gst tag undetermined undetermined sequence position undetermined undetermined undetermined sequence position undetermined false ecobb Escherichia coli (strain B / BL21) physical association physical association false false false 1, 2 The amount of full-length pRb pulled down from G1 cell extracts was less than from G2 and mitotic cell extracts. For the pull-down experiments using the PP1-delta fragments mitotic cell extracts were used as these contain hyperphosphorylated pRb (the putative substrate of PP1-delta).