>NC_002645_HCoV-229E_inf-1_nsp15_18622..19665_1044bp_348aa GLENIAFNVVNKGSFVGADGELPVAISGDKVFVRDGNTDNLVFVNKTSLPTNIAFELFAK RKVGLTPPLSILKNLGVVATYKFVLWDYEAERPLTSFTKSVCGYTDFAEDVCTCYDNSIQ GSYERFTLSTNAVLFSATAVKTGGKSLPAIKLNFGMLNGNAIATVKSEDGNIKNINWFVY VRKDGKPVDHYDGFYTQGRNLQDFLPRSTMEEDFLNMDIGVFIQKYGLEDFNFEHVVYGD VSKTTLGGLHLLISQVRLSKMGILKAEEFVAASDITLKCCTVTYLNDPSSKTVCTYMDLL LDDFVSVLKSLDLTVVSKVHEVIIDNKPWRWMLWCKDNAVATFYPQLQ >NC_005831_HCoV-NL63_AmsterdamI_nsp15_18541..19572_1032bp_344aa SLENIAFNVVKKGCFTGVDGELPVAVVNDKVFVRYGDVDNLVFTNKTTLPTNVAFELFAK RKMGLTPPLSILKNLGVVATYKFVLWDYEAERPFTSYTKSVCKYTDFNEDVCVCFDNSIQ GSYERFTLTTNAVLFSTVVIKNLTPIKLNFGMLNGMPVSSIKGDKGVEKLVNWYIYVRKN GQFQDHYDGFYTQGRNLSDFTPRSDMEYDFLNMDMGVFINKYGLEDFNFEHVVYGDVSKT TLGGLHLLISQFRLSKMGVLKADDFVTASDTTLRCCTVTYLNELSSKVVCTYMDLLLDDF VTILKSLDLGVISKVHEVIIDNKPYRWMLWCKDNHLSTFYPQLQ >NC_002306_TGEV_PUR46-MAD_nsp15_18449..19465_1017bp_339aa SLENVAFNVVKKGAFTGLKGDLPTAVIADKIMVRDGPTDKCIFTNKTSLPTNVAFELYAK RKLGLTPPLTILRNLGVVATYKFVLWDYEAERPFSNFTKQVCSYTDLDSEVVTCFDNSIA GSFERFTTTRDAVLISNNAVKGLSAIKLQYGLLNDLPVSTVGNKPVTWYIYVRKNGEYVE QIDSYYTQGRTFETFKPRSTMEEDFLSMDTTLFIQKYGLEDYGFEHVVFGDVSKTTIGGM HLLISQVRLAKMGLFSVQEFMNNSDSTLKSCCITYADDPSSKNVCTYMDILLDDFVTIIK SLDLNVVSKVVDVIVDCKAWRWMLWCENSHIKTFYPQLQ >NC_003436_PEDV_CV777_nsp15_18719..19735_1017bp_339aa GLENIAFNVLKKGSFVGDEGELPVAVVNDKVLVRDGTVDTLVFTNKTSLPTNVAFELYAK RKVGLTPPITILRNLGVVCTSKCVIWDYEAERPLTTFTKDVCKYTDFEGDVCTLFDNSIV GSLERFSMTQNAVLMSLTAVKKLTGIKLTYGYLNGVPVNTHEDKPFTWYIYTRKNGKFED YPDGYFTQGRTTADFSPRSDMEKDFLSMDMGLFINKYGLEDYGFEHVVYGDVSKTTLGGL HLLISQVRLACMGVLKIDEFVSSNDSTLKSCTVTYADNPSSKMVCTYMDLLLDDFVSILK SLDLSVVSKVHEVMVDCKMWRWMLWCKDHKLQTFYPQLQ >DQ811787_PRCV_ISU-1_nsp15_18429..19445_1017bp_339aa SLENVAFNVVKKGAFTGLKGDLPTAVIADKIMVRDGPTDRCIFTNKTSLPTNVAFELYAK RKLGLTPPLTILRNLGVVATYNFVLWDYEAECPFSNFTKQVCSYTDLDSEVVTCFDNSIA GSFERFTTTRDAVLISNNAVKGLSAIKLQYGLLNDLPVSTVGNKPVTWYIYVRKNGEYVE QIDSYYTQGRTFETFKPRSTMEEDFLSMDTTLFIQKYGLEDYGFEHVVFGDVSKTTIGGM HLLISQVRLAKMGLFSVQEFMNNSDSTLKSCCITYADDPSSKNVCTYMDILLDDFVTIIK SLDLNVMSKVVDVIVDCKAWRWMLWCENSHIKTFYPQLQ >AY994055_FIPV_79-1146_nsp15_18520..19536_1017bp_339aa SLENVAFNVVKKGAFTGLKGDLPTAVIADKIMVRDGPTDKCIFTNKTSLPTNVAFELYAK RKLGLTPPLTILRNLGVVATYKFVLWDYEAECPFSNFTKQVCSYTDLDSEVVTCFDNSIA GSFERFTTTKDAVLISNNAVKGLSAIKLQYGFLNDLPVSTVGNKPVTWYIYVRKNGEYVE QIDSYYTHGRTFETFKPRSTMEEDFLSMDTTLFIQKYGLEDYGFEHVVFGDVSKTTIGGM HLLISQVRLAKMGLFSVQEFMTNSDSTLKSCCITYADDPSSKNVCTYMDILLDDFVTIIK SLDLNVVSKVVDVIVDCKAWRWMLWCENSQIKTFYPQLQ >NC_009657_BtCoV-G1_BtCoV/512/2005_nsp15_18752..19768_1017bp_339aa GLENIAYNVVKKGSFVGVEGELPVAVVNDKVMVRDGVSDNVVFVNNTSLPTNVAFELYAK RKVGLTPPLTILKNLGVVCTSKCVLWDYEASRPLTTFTKDVCKYTDFDGDVCTLFDNSVP GAFERFTVTKNAVLISLTAVKKLTAIKLTYGYLNGVPVFTHEDKPFTWYIYTRKDGAFVE YPDGYFTQGRVISDFQPRSNMEEDFLNMDMGLFISKYGLEDYGFEHVVFGDVSKTTLGGL HLLISQIRLSKIGVLKVEDFVSSSDSTLKSCTVTYVDNPSSKMVCTYVDLLLDDFVNILK SVDLSVVSKVHEVVIDCKVWRWMLWCKDHKVQTFYPQLQ >EF203064_Bat-CoV-HKU2_HKU2/GD/430/2006_nsp15_18548..19576_1029bp_343aa GLENIAYNVVKKGSFVGEPGELPVAVVNDRVSVRDGVSDNVIFVNKTSLPTNVAFELYAK RKIGLTPPLTILKNMGVVATHGFVLWDYDADRPFSNFTKSVCKYTDFDEDVCTCFDNSIQ GAFERFTLCKNGVLISNVAIKKLRGIRLNFGYLNGVAVSSITEGETTKPVDWYIYQRKDG SFVEPVDGYYSQGRNASTFLPRSQMEKDFLELDTGLFISKYGLEDFNFEHIVYGDVSKTT LGGLHLLISQVRLARIGVLKVEDFVDSADDTLHSCSVTYANDPSSKSVCTYMDILLDDFV VILRNLDLSVTSKVHDVIVDCKAWRWMLWCKDSKVATFYPQLQ >NC_005147_HCoV-OC43_OC43_nsp15_19473..20597_1125bp_375aa SLENVVYNLVKTGHYTGQAGEMPCAIINDKVVAKIDKEDVVIFINNTTYPTNVAVELFAK RSVRHHPELKLFRNLNIDVCWKHVIWDYARESIFCSNTYGVCMYTDLKFIDKLNVLFDGR DNGALEAFKRSNNGVYISTTKVKSLSMIRGPPRAELNGVVVDKVGDTDCVFYFAVRKEGQ DVIFSQFDSLGVSSNQSPQGNLGSNGKPGNVGGNDALSISTIFTQSRVISSFTCRTDMEK DFIALDQDVFIQKYGLEDYAFEHIVYGNFNQKIIGGLHLLIGLYRRQQTSNLVVQEFVSY DSSIHSYFITDEKSGGSKSVCTVIDILLDDFVALVKSLNLNCVSKVVNVNVDFKDFQFML WCNDEKVMTFYPRLQ >NC_006577_CoV-HKU1A_N1_nsp15_19732..20853_1122bp_374aa SLENVIYNLVNVGHYDGRTGELPCAIMNDKVVVKINNVDTVIFKNNTSFPTNIAVELFTK RSIRHHPELKILRNLNIDICWKHVLWDYVKDSLFCSSTYGVCKYTDLKFIENLNILFDGR DTGALEAFRKARNGVFISTEKLSRLSMIKGPQRADLNGVIVDKVGELKVEFWFAMRKDGD DVIFSRTDSLCSSHYWSPQGNLGGNCAGNVIGNDALTRFTIFTQSRVLSSFEPRSDLERD FIDMDDNLFIAKYGLEDYAFDHIVYGSFNHKVIGGLHLLIGLFRRKKKSNLLIQEFLQYD SSIHSYFITDQECGSSKSVCTVIDLLLDDFVSIVKSLNLSCVSKVVNINVDFKDFQFMLW CNDNKIMTFYPKMQ >AY884001_CoV-HKU1B_N2_nsp15_19636..20757_1122bp_374aa SLENVIYNLVNAGHYDGRIGELPCAIMNDKVVVKINNVDTVIFKNNTSLPTNIAVELFTK RSIRHHPELKILRNLNIDICWKHVLWDYVKDSLFCSSTYGVCKYTDLNFIENLNVLFDGR DNGALEAFRKARNGVFISTGKLSSLSMIKGPQRADLNGVIVDKVGELNVEFWFAMRKDGD DVIFSRADSLSPSHYWSPQGNLGGNCAGNASGNDALARFTIFTQSRVLSTFEPRSDLERD FIDMEDSLFIAKYGLEDYAFDHIVYGSFNYKVIGGLHLLIGLFRRLKKSNLVIQEFLQYD SSIHSYFITDQECGSSKSVCTVIDLLLDDFVVIVKSLNLNCVSKVVNINVDFKDFQFMLW CNDNKIMTFYPKMQ >DQ339101_CoV-HKU1C_N5_nsp15_19576..20697_1122bp_374aa SLENVIYNLVNVGHYDGRTGELPCAIMNDKVVVKINNVDTVIFKNNTSFPTNIAVELFTK RSIRHHPELKILRNLNIDICWKHVLWDYVKDSLFCSSTYGVCKYTDLKFIENLNILFDGR DTGALEAFRKARNGVFISTEKLSRLSMIKGPQRADLNGVIVDKVGELKVEFWFAMRKDGD DVIFSRTDSLCSSHYWSPQGNLGGNCAGNVIGNDALTRFTIFTQSRVLSSFEPRSDLERD FIDMDDNLFIAKYGLEDYAFDHIVYGSFNHKVIGGLHLLIGLFRRLKKSNLLIQEFLQYD SSIHSYFITDQECGSSKSVCTVIDLLLDDFVSIVKSLNLSCVSKVVNINVDFKDFQFMLW CNDNKIMTFYPKMQ >NC_003045_BCoV_BCoV-ENT_nsp15_19473..20594_1122bp_374aa SLENVVYNLVKTGHYTGQAGEMPCAIINDKVVAKIDKEDVVIFINNTTYPTNVAVELFAK RSIRHHPELKLFRNLNIDVCWKHVIWDYARESIFCSNTYGVCMYTDLKFIDKLNVLFDGR DNGALEAFKRSNNGVYISTTKVKSLSMIKGPPRAELNGVVVDKVGDTDCVFYFAVRKEGQ DVIFSQFDSLRVSSNQSPQGNLGSNEPGNVGGNDALATSTIFTQSRVISSFTCRTDMEKD FIALDQDLFIQKYGLEDYAFEHIVYGNFNQKIIGGLHLLIGLYRRQQTSNLVIQEFVSYD SSIHSYFITDEKSGGSKSVCTVIDILLDDFVALVKSLNLNCVSKVVNVNVDFKDFQFMLW CNDEKVMTFYPRLQ >NC_001846_MHV_MHV-A59_nsp15_19724..20845_1122bp_374aa SLENVVYNLVNAGHFDGRAGELPCAVIGEKVIAKIQNEDVVVFKNNTPFPTNVAVELFAK RSIRPHPELKLFRNLNIDVCWSHVLWDYAKDSVFCSSTYKVCKYTDLQCIESLNVLFDGR DNGALEAFKKCRNGVYINTTKIKSLSMIKGPQRADLNGVVVEKVGDSDVEFWFAVRKDGD DVIFSRTGSLEPSHYRSPQGNPGGNRVGDLSGNEALARGTIFTQSRLLSSFTPRSEMEKD FMDLDDDVFIAKYSLQDYAFEHVVYGSFNQKIIGGLHLLIGLARRQQKSNLVIQEFVTYD SSIHSYFITDENSGSSKSVCTVIDLLLDDFVDIVKSLNLKCVSKVVNVNVDFKDFQFMLW CNEEKVMTFYPRLQ >NC_007732_PHEV_VW572_nsp15_19473..20597_1125bp_375aa SLENVVYNLVKTGHYTEQAGEMPCAIINDKVVAKIDKEDVVIFTNNTTYPTNVAVELFAK RSIRHHPELKLFRNLNVDVCWKHVIWDYARESIFCSNTYGVCMYTDLKFIDKLNVLFDGR DNGALEAFKRSNNGVYISMTKVKSLSMIKGPPRAELNGVVVDKVGDTDCVFYFAVRKEGQ DVIFSQFDSLGVSSNQSPQGNLGSNGKPGNVGGNEALATSTIFTQSRVISSFTCRTDMEK DFIALDQDVFIQKYGLEDYAFEHIVYGNFNQKIIGGLHLLIGLYRRQQTSYLVVQEFVSY DSSIHSYFITDEKSGSSKSVCTVIDILLDDFVALVKSLNLNCVSKVVNVNVDFKDFQFML WCNDEKVMTFYPRLQ >EF424621_AntelopeCoV_US/OH1/2003WD1418_nsp15_19458..20579_1122bp_374aa SLENVVYNLVKTGHYTGQAGEMPCAIINDKVVAKIDKEDVVIFINNTTYPTNVAVELFAK RSIRHHPELKLFRNLNIDVCWKHVIWDYARESIFCSNTYGVCMYTDLKFIDKLNVLFDGR DNGALEAFKRSNNGVYISTTKVKSLSMIKGPPRAELNGVVVDKVGDTDCVFYFAVRKEGQ DVIFSQFDSLRVSSNQSPQGNLGSNEPGNVGGNDALTTSTIFTQSRVISSFTCRTDMEKD FIALDQDLFIQKYGLEDYAFEHIVYGNFNQKIIGGLHLLIGLYRRQQTSNLVIQEFVSYD SSIHSYFITDEKSGGSKSVCTVIDILLDDFVALVKSLNLNCVSKVVNVNVDFKDFQFMLW CNDEKVMTFYPRLQ >EF424622_GiCoV_US/OH3-TC/2006_nsp15_19457..20578_1122bp_374aa SLENVVYNLVKTGHYTGQAGEMPCAIINDKVVAKIDKEDVVIFINNTTYPTNVAVELFAK RSIRHHPELKLFRNLNIDVCWKHVIWDYARESIFCSNTYGVCMYTDLKFIDKLNVLFDGR DNGALEAFKRSNNGVYISTTKVKSLSMIKGPPRAELNGVVVDKVGDTDCVFYFAVRKEGQ DVIFSQFDSLRVSSNQSPQGNLGSNEPGNVGGNDALTTSTIFTQSRVISSFTCRTDMEKD FIALDQDLFIQKYGLEDYAFEHIVYGNFNQKIIGGLHLLIGLYRRQQTSNLVIQEFVSYD SSIHSYFITDEKSGGSKSVCTVIDILLDDFVALVKSLNLNCVSKVVNVNVDFKDFQFMLW CNDEKVMTFYPRLQ >NC_004718_SARS-human_Tor2_nsp15_19551..20588_1038bp_346aa SLENVAYNVVNKGHFDGHAGEAPVSIINNAVYTKVDGIDVEIFENKTTLPVNVAFELWAK RNIKPVPEIKILNNLGVDIAANTVIWDYKREAPAHVSTIGVCTMTDIAKKPTESACSSLT VLFDGRVEGQVDLFRNARNGVLITEGSVKGLTPSKGPAQASVNGVTLIGESVKTQFNYFK KVDGIIQQLPETYFTQSRDLEDFKPRSQMETDFLELAMDEFIQRYKLEGYAFEHIVYGDF SHGQLGGLHLMIGLAKRSQDSPLKLEDFIPMDSTVKNYFITDAQTGSSKCVCSVIDLLLD DFVEIIKSQDLSVISKVVKVTIDYAEISFMLWCKDGHVETFYPKLQ >AY304488_SARS-civet_SZ16_nsp15_19536..20573_1038bp_346aa SLENVAYNVVNKGHFDGHAGEAPVSIINNAVYTKVDGIDVEIFENKTTLPVNVAFELWAK RNIKPVPEIKILNNLGVDIAANTVIWDYKREAPAHVSTIGVCTMTDIAKKPTESACSSLT VLFDGRVEGQVDLFRNARNGVLITEGSVKGLTPSKGPAQASVNGVTLIGESVKTQFNYFK KVDGIIQQLPETYFTQSRDLEDFKPRSQMETDFLELAMDEFIQRYKLEGYAFEHIVYGDF SHGQLGGLHLMIGLAKRSQDSPLKLEDFIPMDSTVKNYFITDAQTGSSKCVCSVIDLLLD DFVEIIKSQDLSVISKVVKVTIDYAEISFMLWCKDGHVETFYPKLQ >NC_009694_SARS-bat_HKU3-1_nsp15_19530..20567_1038bp_346aa SLENVAYNVVNKGHFDGQSGEAPVSIINNAVYTKVDGIDVEIFENKTTLPVNVAFELWAK RNIKPVPEIKILNNLGVDIAANNVIWDYKREAPAHVSTIGVCTMTDIAKKPTESACSSLI VLFDGRVEGQVDFFRNARNGVLITEGSVKGLTPSKGPAQASVNGVTLIGESVKTQFNYFK KVDGIIQQLPETYFTQSRDLEDFKPRSQMETDFLELAMDEFIQRYKLEGYAFEHIVYGDF SHGQLGGLHLMIGLAKRSQDSLLKLEDFIPMDSTVKNYFITDAQTGSSKCVCSVIDLLLD DFVEIIKSQDLSVVSKVVKVTIDYAEISFMLWCKDGHVETFYPKLQ >AY545919_SARS-badger_CFB/SZ/94/03_nsp15_19530..20567_1038bp_346aa SLENVAYNVVNKGHFDGHAGEAPVSIINNAVYTKVDGIDVEIFENKTTLPVNVAFELWAK RNIKPVPEIKILNNLGVDIAANTVIWDYKREAPAHVSTIGVCTMTDIAKKPTESACSSLT VLFDGRVEGQVDLFRNARNGVLITEGSVKGLTPSKGPAQASVNGVTLIGESVKTQFNYFK KVDGIIQQLPETYFTQSRDLEDFKPRSQMETDFLELAMDEFIQRYKLEGYAFEHIVYGDF SHGQLGGLHLMIGLAKRSQDSPLKLEDFIPMDSTVKNYFITDAQTGSSKCVCSVIDLLLD DFVEIIKSQDLSVISKVVKVTIDYAEISFMLWCKDGHVETFYPKLQ >NC_009019_Bat-CoV-HKU4_B04f HKU41_nsp15_19691..20716_1026bp_342aa GLENIAFNVIKQGHFTGVDGELPVAVVNDKIFTKNGTDDVCIFKNETALPTNVAFELYAK RAVRSHPDLNLLRNLEVDVCYNFVLWDYDRNNIYGTTTIGVCKYTDIDVNPNLNMCFDIR DKGSLERFMSMPNGVLISDRKIKNYPCISGPKHAYFNGAILRNIDAKQPVIFYLYKKVNN EFVSFSDTFYTCGRTVGDFTVLTPMEEDFLVLDSDVFIKKYGLEDYAFEHVVYGDFSHTT LGGLHLLIGLYKKMREGHILMEEMLKDRATVHNYFITDSNTASYKAVCSVIDLRLDDFVT IIKEMDLDVVSKVVKVPIDLTMIEFMLWCRDGKVQTFYPRLQ >NC_009020_Bat-CoV-HKU5_LMH3f HKU51_nsp15_19829..20881_1053bp_351aa GLENIAYNVIKQGHFTGVEGELPVAVVNDKIYTKSDVNDVCIFENKTTLPTNIAFELYAK RAVRSHPDFNLLRNLEVDVCYKFVLWDYERSNIYGSATIGVCKYTDIDVNSALNICFDIR DNGSLERFMSLPNGILISDRKVKNYPCIVSSNYAYFNGTLIRDNTGNSQSSDGEVKQPVT FYIYKKVNNEFVQFTDTYYTLGRTVSDFTPVSEMEKDFLALDSDVFIKKYKLEAYAFEHV VYGDFSRTTLGGLHLLIGLYKKHQEGHIIMEEMLKERATVHNYFVTESNTASFKAVCSVI DLKLDDFVDIIKAMDLSVVSKVVKIPIDLTMIEFMLWCKDGQVQTFYPRLQ >NC_009021_Bat-CoV-HKU9_BF_005I HKU91_nsp15_19116..20126_1011bp_337aa SLENVAYNVLKSGHFTAVAGELPVAILNDRLYIKEDGADKLLFTNNTCLPTNVAFELWAK RSVNVVPEVKLLRNLGVTCTYNLVIWDYESNAPLVPNTVGICTYTDLTKLDDQVVLVDGR QLDAYSKFCQLKNAIYFSPSKPKCVCTRGPTHASINGVVVEAPDRGTAFWYAMRKDGAFV QPTDGYFTQSRTVDDFQPRTQLEIDFLDLEQSCFLDKYDLHDLGLEHIVYGQFDGTIGGL HLLIGAVRRKRTAHLVMETVLGTDTVTSYAVIDQPTASSKQVCSVVDIILDDFIALIKAQ DRSVVSKVVQCCLDFKVFRFMLWCKGGKISTFYPQLQ >NC_001451_IBV_Beaudette_nsp15_18495..19508_1014bp_338aa SIDNIAYNMYKGGHYDAIAGEMPTVITGDKVFVIDQGVEKAVFVNQTTLPTSVAFELYAK RNIRTLPNNRILKGLGVDVTNGFVIWDYANQTPLYRNTVKVCAYTDIEPNGLVVLYDDRY GDYQSFLAADNAVLVSTQCYKRYSYVEIPSNLLVQNGMPLKDGANLYVYKRVNGAFVTLP NTINTQGRSYETFEPRSDIERDFLAMSEESFVERYGKDLGLQHILYGEVDKPQLGGLHTV IGMYRLLRANKLNAKSVTNSDSDVMQNYFVLSDNGSYKQVCTVVDLLLDDFLELLRNILK EYGTNKSKVVTVSIDYHSINFMTWFEDGSIKTCYPQLQ >AY646283_IBV-partridge_Partridge/GD/S14/2003_nsp15_18327..19340_1014bp_338aa SIDNIAYNMYKGGHYDAIAGEIPTVITGDKVFVIDQGIEKAVFVNQTTLPTSVAFELYAK RNIRTLPNNRILSGLGVDVTYGFVIWDYANQTPLYRNTVKVCAYTDIEPNGLVVLYDDRY GDYQAFLAADNAVLVSTQCYKRYSYVEVPSQLLVQNGMPLKDGANLYVYKRVNGAFVTLP NTLNTQGRNYEAFEPRSDVERDFLNMSEEDFIEKYGKDLGLQHVLYGEVEKPQLGGLHTV IGMYRLLRANKLDAKSVTNSDSDVMQNYFVLADNGSYKQVCTVVDLLLDDFLELLRNILK EYGSNKSKVVTVSIDYHSINFMTWFEDGSIKTCYPQLQ >AY641576_IBV-peafowl_Peafowl/GD/KQ6/2003_nsp15_18438..19451_1014bp_338aa SIDNIAYNMYKGGHYDAIAGEMPTIVTGDKVFVIDQGVEKAVFFNQTILPTSVAFELYAK RNIRTLPNNRILKGLGVDVTNGFVIWDYTNQTPLYRNTVKVCAYTDIEPNGLIVLYDDRY GDYQSFLAADNAVLVSTQCYKRYSYVEIPSNLLVQNGIPLKDGANLYVYKRVNGAFVTLP NTLNTQGRSYETFEPRSDVERDFLDMSEESFVEKYGKELGLQHILYGEVDKPQLGGLHTV IGMCRLLRANKLNAKSVTNSDSDVMQNYFVLADNGSYKQVCTVVDLLLDDFLELLRNILK EYGTNKSKVVTVSIDYHSINFMTWFEDGIIKTCYPQLQ