MINT MINT, Dpt of Biology, University of Rome Tor Vergata MINT http://mint.bio.uniroma2.it/mint url>http://mint.bio.uniroma2.it/mint/ https://mint.bio.uniroma2.it MINT-[0-9]+ https://mint.bio.uniroma2.it/index.php/results-interactions/?id=${ac} The Molecular INTeraction database (MINT) is a relational database designed to store interactions between biological molecules. http://mint.bio.uniroma2.it Ligand-independent activation of vascular endothelial growth factor receptor 1 by low-density lipoprotein. Ligand-independent activation of vascular endothelial growth factor receptor 1 by low-density lipoprotein. EMBO Rep. (1469-221X) 2007 imex curation Usui R., Shibuya M., Ishibashi S., Maru Y. 2009-01-08 Only protein-protein interactions mouse-raw-1 Mus musculus raw-1 raw-1 anti tag coip anti tag coimmunoprecipitation anti tag coip predetermined predetermined participant predetermined Usui R., Shibuya M., Ishibashi S., Maru Y. EMBO Rep. (1469-221X) 2007 2009-01-08 Only protein-protein interactions imex curation Ligand-independent activation of vascular endothelial growth factor receptor 1 by low-density lipoprotein. Ligand-independent activation of vascular endothelial growth factor receptor 1 by low-density lipoprotein. EMBO Rep. (1469-221X) 2007 imex curation Usui R., Shibuya M., Ishibashi S., Maru Y. 2009-01-08 Only protein-protein interactions mouse-raw-1 Mus musculus raw-1 raw-1 anti bait coip anti bait coimmunoprecipitation anti bait coip western blot western blot Immuno blot Immuno blot Usui R., Shibuya M., Ishibashi S., Maru Y. EMBO Rep. (1469-221X) 2007 2009-01-08 Only protein-protein interactions imex curation Ligand-independent activation of vascular endothelial growth factor receptor 1 by low-density lipoprotein. Ligand-independent activation of vascular endothelial growth factor receptor 1 by low-density lipoprotein. EMBO Rep. (1469-221X) 2007 imex curation Usui R., Shibuya M., Ishibashi S., Maru Y. 2009-01-08 Only protein-protein interactions mouse-3t3 Mus musculus embryo cells 3t3 Mouse embryo fibroblast cells anti tag coip anti tag coimmunoprecipitation anti tag coip western blot western blot Immuno blot Immuno blot Usui R., Shibuya M., Ishibashi S., Maru Y. EMBO Rep. (1469-221X) 2007 2009-01-08 Only protein-protein interactions imex curation Ligand-independent activation of vascular endothelial growth factor receptor 1 by low-density lipoprotein. Ligand-independent activation of vascular endothelial growth factor receptor 1 by low-density lipoprotein. EMBO Rep. (1469-221X) 2007 imex curation Usui R., Shibuya M., Ishibashi S., Maru Y. 2009-01-08 Only protein-protein interactions human-uvec Human Umbilical Vein Endothelial Cells (HUVEC) huvec umbilical_vein_endothelium Umbilical vein endothelial cell [Umbilical vein endothelium] anti bait coip anti bait coimmunoprecipitation anti bait coip western blot western blot Immuno blot Immuno blot Usui R., Shibuya M., Ishibashi S., Maru Y. EMBO Rep. (1469-221X) 2007 2009-01-08 Only protein-protein interactions imex curation Ligand-independent activation of vascular endothelial growth factor receptor 1 by low-density lipoprotein. Ligand-independent activation of vascular endothelial growth factor receptor 1 by low-density lipoprotein. EMBO Rep. (1469-221X) 2007 imex curation Usui R., Shibuya M., Ishibashi S., Maru Y. 2009-01-08 Only protein-protein interactions crigr-cho9 Cricetulus griseus cho9 cho9 cho9 fluorescence imaging fluorescence microscopy fluorescence imaging predetermined predetermined participant predetermined Usui R., Shibuya M., Ishibashi S., Maru Y. EMBO Rep. (1469-221X) 2007 2009-01-08 Only protein-protein interactions imex curation plcg1_mouse 1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase gamma-1 Plcg1 Plcg-1 Phosphoinositide phospholipase C-gamma-1 Phospholipase C-gamma-1 protein protein mouse Mus musculus Mouse MAGVATPCANGCGPGAPSEAEVLHLCRSLEVGTVMTLFYSKKSQRPERKTFQVKLETRQITWSRGADKIEGSIDIREIKEIRPGKTSRDFDRYQEDPAFRPDQSHCFVILYGMEFRLKTLSLQATSEDEVNMWIKGLTWLMEDTLQAATPLQIERWLRKQFYSVDRNREDRISAKDLKNMLSQVNYRVPNMRFLRERLTDLEQRSGDITYGQFAQLYRSLMYSAQKTMDLPFLETNALRTGERPEHCQVSLSEFQQFLLEYQGELWAVDRLQVQEFMLSFLRDPLREIEEPYFFLDELVTFLFSKENSVWNSQLDAVCPDTMNNPLSHYWISSSHNTYLTGDQFSSESSLEAYARCLRMGCRCIELDCWDGPDGMPVIYHGHTLTTKIKFSDVLHTIKEHAFVASEYPVILSIEDHCSIAQQRNMAQHFRKVLGDTLLTKPVDIAADGLPSPNQLRRKILIKHKKLAEGSAYEEVPTSVMYSENDISNSIKNGILYLEDPVNHEWYPHYFVLTSSKIYYSEETSSDQGNEDEEEPKEASSSTELHSSEKWFHGKLGAGRDGRHIAERLLTEYCIETGAPDGSFLVRESETFVGDYTLSFWRNGKVQHCRIHSRQDAGTPKFFLTDNLVFDSLYDLITHYQQVPLRCNEFEMRLSEPVPQTNAHESKEWYHASLTRAQAEHMLMRVPRDGAFLVRKRNEPNSYAISFRAEGKIKHCRVQQEGQTVMLGNSEFDSLVDLISYYEKHPLYRKMKLRYPINEEALEKIGTAEPDYGALYEGRNPGFYVEANPMPTFKCAVKALFDYKAQREDELTFTKSAIIQNVEKQDGGWWRGDYGGKKQLWFPSNYVEEMINPAVLEPEREHLDENSPLGDLLRGVLDVPACQIAIRPEGKNNRLFVFSISMPSVAQWSLDVAADSQEELQDWVKKIREVAQTADARLTEGKMMERRKKIALELSELVVYCRPVPFDEEKIGTERACYRDMSSFPETKAEKYVNKAKGKKFLQYNRLQLSRIYPKGQRLDSSNYDPLPMWICGSQLVALNFQTPDKPMQMNQALFMAGGHCGYVLQPSTMRDEAFDPFDKSSLRGLEPCVICIEVLGARHLPKNGRGIVCPFVEIEVAGAEYDSTKQKTEFVVDNGLNPVWPAKPFHFQISNPEFAFLRFVVYEEDMFSDQNFLAQATFPVKGLKTGYRAVPLKNNYSEDLELASLLIKIDIFPAKENGDLSPFSGISLRERASDASSQLFHVRAREGSFEARYQQPFEDFRISQEHLADHFDSRERSTSDGPSSATNLIEDPLHDKLWKCSL DIP protein Q62077 original sequence version: 129 5D123C508D425EB2 vgfr1_human Vascular endothelial growth factor receptor 1 Vascular permeability factor receptor Tyrosine-protein kinase receptor FLT Tyrosine-protein kinase FRT Fms-like tyrosine kinase 1 FLT1 FLT FRT VEGFR1 protein protein human Homo sapiens Human MVSYWDTGVLLCALLSCLLLTGSSSGSKLKDPELSLKGTQHIMQAGQTLHLQCRGEAAHKWSLPEMVSKESERLSITKSACGRNGKQFCSTLTLNTAQANHTGFYSCKYLAVPTSKKKETESAIYIFISDTGRPFVEMYSEIPEIIHMTEGRELVIPCRVTSPNITVTLKKFPLDTLIPDGKRIIWDSRKGFIISNATYKEIGLLTCEATVNGHLYKTNYLTHRQTNTIIDVQISTPRPVKLLRGHTLVLNCTATTPLNTRVQMTWSYPDEKNKRASVRRRIDQSNSHANIFYSVLTIDKMQNKDKGLYTCRVRSGPSFKSVNTSVHIYDKAFITVKHRKQQVLETVAGKRSYRLSMKVKAFPSPEVVWLKDGLPATEKSARYLTRGYSLIIKDVTEEDAGNYTILLSIKQSNVFKNLTATLIVNVKPQIYEKAVSSFPDPALYPLGSRQILTCTAYGIPQPTIKWFWHPCNHNHSEARCDFCSNNEESFILDADSNMGNRIESITQRMAIIEGKNKMASTLVVADSRISGIYICIASNKVGTVGRNISFYITDVPNGFHVNLEKMPTEGEDLKLSCTVNKFLYRDVTWILLRTVNNRTMHYSISKQKMAITKEHSITLNLTIMNVSLQDSGTYACRARNVYTGEEILQKKEITIRDQEAPYLLRNLSDHTVAISSSTTLDCHANGVPEPQITWFKNNHKIQQEPGIILGPGSSTLFIERVTEEDEGVYHCKATNQKGSVESSAYLTVQGTSDKSNLELITLTCTCVAATLFWLLLTLFIRKMKRSSSEIKTDYLSIIMDPDEVPLDEQCERLPYDASKWEFARERLKLGKSLGRGAFGKVVQASAFGIKKSPTCRTVAVKMLKEGATASEYKALMTELKILTHIGHHLNVVNLLGACTKQGGPLMVIVEYCKYGNLSNYLKSKRDLFFLNKDAALHMEPKKEKMEPGLEQGKKPRLDSVTSSESFASSGFQEDKSLSDVEEEEDSDGFYKEPITMEDLISYSFQVARGMEFLSSRKCIHRDLAARNILLSENNVVKICDFGLARDIYKNPDYVRKGDTRLPLKWMAPESIFDKIYSTKSDVWSYGVLLWEIFSLGGSPYPGVQMDEDFCSRLREGMRMRAPEYSTPEIYQIMLDCWHRDPKERPRFAELVEKLGDLLQANVQQDGKDYIPINAILTGNSGFTYSTPAFSEDFFKESISAPKFNSGSSDDVRYVNAFKFMSLERIKTFEELLPNATSMFDDYQGDSSTLLASPMLKRFTWTDSKPKASLKIDLRVTSKSKESGLSDVSRPSFCHSSCGHVSEGKRRFTYDHAELERKIACCSPPPDYNSVVLYSTPPI FF3381EEFAF0787C ldlr_human Low-density lipoprotein receptor LDLR protein protein human Homo sapiens Human MGPWGWKLRWTVALLLAAAGTAVGDRCERNEFQCQDGKCISYKWVCDGSAECQDGSDESQETCLSVTCKSGDFSCGGRVNRCIPQFWRCDGQVDCDNGSDEQGCPPKTCSQDEFRCHDGKCISRQFVCDSDRDCLDGSDEASCPVLTCGPASFQCNSSTCIPQLWACDNDPDCEDGSDEWPQRCRGLYVFQGDSSPCSAFEFHCLSGECIHSSWRCDGGPDCKDKSDEENCAVATCRPDEFQCSDGNCIHGSRQCDREYDCKDMSDEVGCVNVTLCEGPNKFKCHSGECITLDKVCNMARDCRDWSDEPIKECGTNECLDNNGGCSHVCNDLKIGYECLCPDGFQLVAQRRCEDIDECQDPDTCSQLCVNLEGGYKCQCEEGFQLDPHTKACKAVGSIAYLFFTNRHEVRKMTLDRSEYTSLIPNLRNVVALDTEVASNRIYWSDLSQRMICSTQLDRAHGVSSYDTVISRDIQAPDGLAVDWIHSNIYWTDSVLGTVSVADTKGVKRKTLFRENGSKPRAIVVDPVHGFMYWTDWGTPAKIKKGGLNGVDIYSLVTENIQWPNGITLDLLSGRLYWVDSKLHSISSIDVNGGNRKTILEDEKRLAHPFSLAVFEDKVFWTDIINEAIFSANRLTGSDVNLLAENLLSPEDMVLFHNLTQPRGVNWCERTTLSNGGCQYLCLPAPQINPHSPKFTCACPDGMLLARDMRSCLTEAEAAVATQETSTVRLKVSSTAVRTQHTTTRPVPDTSRLPGATPGLTTVEIVTMSHQALGDVAGRGNEKKPSSVRALSIVLPIVLLVFLCLGVFLLWKNWRLKNINSINFDNPVYQKTTEDEVHICHNQDGYSYPSRQMVSLEDDVA DIP protein P01130 original sequence version: 115 DIP protein P01130 original sequence version: 122 DIP protein P01130 original sequence version: 140 DIP protein P01130 original sequence version: 173 A4C28E9B8BADAD5E ldlr_mouse Low-density lipoprotein receptor Ldlr protein protein mouse Mus musculus Mouse MSTADLMRRWVIALLLAAAGVAAEDSCSRNEFQCRDGKCIASKWVCDGSPECPDGSDESPETCMSVTCQSNQFSCGGRVSRCIPDSWRCDGQVDCENDSDEQGCPPKTCSQDDFRCQDGKCISPQFVCDGDRDCLDGSDEAHCQATTCGPAHFRCNSSICIPSLWACDGDVDCVDGSDEWPQNCQGRDTASKGVSSPCSSLEFHCGSSECIHRSWVCDGEADCKDKSDEEHCAVATCRPDEFQCADGSCIHGSRQCDREHDCKDMSDELGCVNVTQCDGPNKFKCHSGECISLDKVCDSARDCQDWSDEPIKECKTNECLDNNGGCSHICKDLKIGSECLCPSGFRLVDLHRCEDIDECQEPDTCSQLCVNLEGSYKCECQAGFHMDPHTRVCKAVGSIGYLLFTNRHEVRKMTLDRSEYTSLLPNLKNVVALDTEVTNNRIYWSDLSQKKIYSALMDQAPNLSYDTIISEDLHAPDGLAVDWIHRNIYWTDSVPGSVSVADTKGVKRRTLFQEAGSRPRAIVVDPVHGFMYWTDWGTPAKIKKGGLNGVDIHSLVTENIQWPNGITLDLSSGRLYWVDSKLHSISSIDVNGGNRKTILEDENRLAHPFSLAIYEDKVYWTDVINEAIFSANRLTGSDVNLVAENLLSPEDIVLFHKVTQPRGVNWCETTALLPNGGCQYLCLPAPQIGPHSPKFTCACPDGMLLAKDMRSCLTEVDTVLTTQGTSAVRPVVTASATRPPKHSEDLSAPSTPRQPVDTPGLSTVASVTVSHQVQGDMAGRGNEEQPHGMRFLSIFFPIALVALLVLGAVLLWRNWRLKNINSINFDNPVYQKTTEDELHICRSQDGYTYPSRQMVSLEDDVA 43E7D6A293BE609C vgfr1_mouse Vascular endothelial growth factor receptor 1 Tyrosine-protein kinase receptor FLT Fms-like tyrosine kinase 1 Embryonic receptor kinase 2 Flt1 Emrk2 Flt Vegfr1 protein protein mouse Mus musculus Mouse MVSCWDTAVLPYALLGCLLLTGYGSGSKLKVPELSLKGTQHVMQAGQTLFLKCRGEAAHSWSLPTTVSQEDKRLSITPPSACGRDNRQFCSTLTLDTAQANHTGLYTCRYLPTSTSKKKKAESSIYIFVSDAGSPFIEMHTDIPKLVHMTEGRQLIIPCRVTSPNVTVTLKKFPFDTLTPDGQRITWDSRRGFIIANATYKEIGLLNCEATVNGHLYQTNYLTHRQTNTILDVQIRPPSPVRLLHGQTLVLNCTATTELNTRVQMSWNYPGKATKRASIRQRIDRSHSHNNVFHSVLKINNVESRDKGLYTCRVKSGSSFQSFNTSVHVYEKGFISVKHRKQPVQETTAGRRSYRLSMKVKAFPSPEIVWLKDGSPATLKSARYLVHGYSLIIKDVTTEDAGDYTILLGIKQSRLFKNLTATLIVNVKPQIYEKSVSSLPSPPLYPLGSRQVLTCTVYGIPRPTITWLWHPCHHNHSKERYDFCTENEESFILDPSSNLGNRIESISQRMTVIEGTNKTVSTLVVADSQTPGIYSCRAFNKIGTVERNIKFYVTDVPNGFHVSLEKMPAEGEDLKLSCVVNKFLYRDITWILLRTVNNRTMHHSISKQKMATTQDYSITLNLVIKNVSLEDSGTYACRARNIYTGEDILRKTEVLVRDSEAPHLLQNLSDYEVSISGSTTLDCQARGVPAPQITWFKNNHKIQQEPGIILGPGNSTLFIERVTEEDEGVYRCRATNQKGAVESAAYLTVQGTSDKSNLELITLTCTCVAATLFWLLLTLFIRKLKRSSSEVKTDYLSIIMDPDEVPLDEQCERLPYDASKWEFARERLKLGKSLGRGAFGKVVQASAFGIKKSPTCRTVAVKMLKEGATASEYKALMTELKILTHIGHHLNVVNLLGACTKQGGPLMVIVEYCKYGNLSNYLKSKRDLFCLNKDAALHMELKKESLEPGLEQGQKPRLDSVSSSSVTSSSFPEDRSVSDVEGDEDYSEISKQPLTMEDLISYSFQVARGMEFLSSRKCIHRDLAARNILLSENNVVKICDFGLARDIYKNPDYVRRGDTRLPLKWMAPESIFDKVYSTKSDVWSYGVLLWEIFSLGGSPYPGVQMDEDFCSRLKEGMRMRTPEYATPEIYQIMLDCWHKDPKERPRFAELVEKLGDLLQANVQQDGKDYIPLNAILTRNSSFTYSTPTFSEDLFKDGFADPHFHSGSSDDVRYVNAFKFMSLERIKTFEELSPNSTSMFEDYQLDTSTLLGSPLLKRFTWTETKPKASMKIDLRIASKSKEAGLSDLPRPSFCFSSCGHIRPVQDDESELGKESCCSPPPDYNSVVLYSSPPA DIP protein P35969 original sequence version: 144 C06533B7ECBC404C cbl_mouse E3 ubiquitin-protein ligase CBL Signal transduction protein CBL Proto-oncogene c-Cbl Casitas B-lineage lymphoma proto-oncogene Cbl RING-type E3 ubiquitin transferase CBL protein protein mouse Mus musculus Mouse MAGNVKKSSGAGGGGSGGSGAGGLIGLMKDAFQPHHHHHHLSPHPPCTVDKKMVEKCWKLMDKVVRLCQNPKLALKNSPPYILDLLPDTYQHLRTVLSRYEGKMETLGENEYFRVFMENLMKKTKQTISLFKEGKERMYEENSQPRRNLTKLSLIFSHMLAELKGIFPSGLFQGDTFRITKADAAEFWRKAFGEKTIVPWKSFRQALHEVHPISSGLEAMALKSTIDLTCNDYISVFEFDIFTRLFQPWSSLLRNWNSLAVTHPGYMAFLTYDEVKARLQKFIHKPGSYIFRLSCTRLGQWAIGYVTADGNILQTIPHNKPLFQALIDGFREGFYLFPDGRNQNPDLTGLCEPTPQDHIKVTQEQYELYCEMGSTFQLCKICAENDKDVKIEPCGHLMCTSCLTSWQESEGQGCPFCRCEIKGTEPIVVDPFDPRGSGSLLRQGAEGAPSPNYDDDDDERADDSLFMMKELAGAKVERPSSPFSMAPQASLPPVPPRLDLLQQRAPVPASTSVLGTASKAASGSLHKDKPLPIPPTLRDLPPPPPPDRPYSVGAETRPQRRPLPCTPGDCPSRDKLPPVPSSRPGDSWLSRPIPKVPVATPNPGDPWNGRELTNRHSLPFSLPSQMEPRADVPRLGSTFSLDTSMTMNSSPVAGPESEHPKIKPSSSANAIYSLAARPLPMPKLPPGEQGESEEDTEYMTPTSRPVGVQKPEPKRPLEATQSSRACDCDQQIDSCTYEAMYNIQSQALSVAENSASGEGNLATAHTSTGPEESENEDDGYDVPKPPVPAVLARRTLSDISNASSSFGWLSLDGDPTNFNEGSQVPERPPKPFPRRINSERKASSYQQGGGATANPVATAPSPQLSSEIERLMSQGYSYQDIQKALVIAHNNIEMAKNILREFVSISSPAHVAT DIP protein P22682 original sequence version: 166 22F8A5C29F0262B8 flt1-ldlr 5 LDLR 8 immunostaining immunostaining predetermined predetermined participant predetermined unspecified role unspecified role neutral component neutral component over-expressed over expressed level over-expressed fixed cell fixed cell flag tagged flag tag flag tag FLAG-tagged FLAG DYKDDDDKV epitope tag DYKDDDDKV epitope tag FLAG FLAG-tagged undetermined undetermined sequence position undetermined undetermined undetermined sequence position undetermined VEGFR1 7 predetermined predetermined participant predetermined predetermined predetermined participant predetermined unspecified role unspecified role neutral component neutral component over-expressed over expressed level over-expressed fixed cell fixed cell gfp tagged gfp tag green fluorescent protein tag GFP green fluorescent protein GFP green fluorescent protein gfp tag undetermined undetermined sequence position undetermined undetermined undetermined sequence position undetermined colocalization colocalization sf1a homomint mint flt1-ldlr-1 5 LDLR 9 immunostaining immunostaining predetermined predetermined participant predetermined unspecified role unspecified role neutral component neutral component physiological level physiological level endogenous level endogenous endogenous endogenous level fixed cell fixed cell VEGFR1 10 predetermined predetermined participant predetermined predetermined predetermined participant predetermined unspecified role unspecified role neutral component neutral component physiological level physiological level endogenous level endogenous endogenous endogenous level fixed cell fixed cell colocalization colocalization Proteins colocalize only if cells are stimulated with nLDL. f1e mint ldlr-flt1 1 VEGFR1 10 western blot western blot Immuno blot Immuno blot predetermined predetermined participant predetermined unspecified role unspecified role prey prey living cell living cell physiological level physiological level endogenous level endogenous endogenous endogenous level LDLR 8 anti tag western anti tag western blot anti tag western predetermined predetermined participant predetermined unspecified role unspecified role bait bait over-expressed over expressed level over-expressed living cell living cell flag tagged flag tag flag tag FLAG-tagged FLAG DYKDDDDKV epitope tag DYKDDDDKV epitope tag FLAG FLAG-tagged undetermined undetermined sequence position undetermined undetermined undetermined sequence position undetermined physical association physical association SF2B homomint mint flt1-ldlr-2 2 LDLR 9 western blot western blot Immuno blot Immuno blot predetermined predetermined participant predetermined unspecified role unspecified role prey prey living cell living cell physiological level physiological level endogenous level endogenous endogenous endogenous level VEGFR1 10 western blot western blot Immuno blot Immuno blot predetermined predetermined participant predetermined unspecified role unspecified role bait bait living cell living cell physiological level physiological level endogenous level endogenous endogenous endogenous level physical association physical association Same interaction occurs in mouse lung cells. Stimulation with nLDL increases interaction. f2a f2c f2d mint flt1-ldlr-3 4 LDLR 8 western blot western blot Immuno blot Immuno blot predetermined predetermined participant predetermined unspecified role unspecified role prey prey living cell living cell physiological level physiological level endogenous level endogenous endogenous endogenous level VEGFR1 7 western blot western blot Immuno blot Immuno blot predetermined predetermined participant predetermined unspecified role unspecified role bait bait living cell living cell physiological level physiological level endogenous level endogenous endogenous endogenous level physical association physical association Stimulation with nLDL increases interaction. f2b homomint mint plcg1-flt1 3 VEGFR1 10 western blot western blot Immuno blot Immuno blot predetermined predetermined participant predetermined unspecified role unspecified role prey prey living cell living cell physiological level physiological level endogenous level endogenous endogenous endogenous level PLC gamma 6 western blot western blot Immuno blot Immuno blot predetermined predetermined participant predetermined unspecified role unspecified role bait bait living cell living cell physiological level physiological level endogenous level endogenous endogenous endogenous level physical association physical association f3e homomint mint cbl-flt1 3 VEGFR1 10 western blot western blot Immuno blot Immuno blot predetermined predetermined participant predetermined unspecified role unspecified role prey prey living cell living cell physiological level physiological level endogenous level endogenous endogenous endogenous level Cbl 11 western blot western blot Immuno blot Immuno blot predetermined predetermined participant predetermined unspecified role unspecified role bait bait living cell living cell physiological level physiological level endogenous level endogenous endogenous endogenous level physical association physical association f3f homomint mint