>seq_1
MNFNHHFTWSLVIISQIFQVQAGFGDPREALLEIQQKHGKPCDCAGGYVSSPPTNSLTTVSCSTYTAYSVTNSLKWQCVSTPTTASPTHIGSCPSQCNSQ
SYDSVHATCYNHYQQCTIGNKTYLTATMIRDKSPSSGDGNVPTILGNNQNLIIAGCPENKKGQVVCWNSQPSVHMSDGGGPQDKVREIIVNKKFEELHKS
LFPELSYHPLALPEARGKEKIDAHTFDLLATVHSLLNVSSQRQLAEDCWLCLRSGDPVPLALPYDNTSCSNSTFFFNCSNCSCLITPPFLVQPFNFTHSV
CLYADYQNNSFDIDVGLAGFTNCSSYINISKPSSPLCAPNSSVFVCGNNKAYTYLPTNWTGSCVLATLLPDIDIIPGSEPVPIPAIDHFLGRPKRAIQFI
PLVIGLGITTAVSTGTAGLGVSLTQYTKLSHQLISDVQAISSTIQDLQDQVDSLAEVVLQNRRGLDLLTAEQGGICLALQEKCCFYANKSGIVRDKIKNL
QDDLEKRRKQLIDNPFWTGFHGLLPYVMPLLGPLLCLLLVLSFGPIIFNKLMTFIKHQIESIQAKPIQVHYHRLEQEDHGGSYLNLT
>sp|P10269|ENV_BAEVM Envelope glycoprotein OS=Baboon endogenous virus (strain M7) GN=env PE=3 SV=1
----MGFTTKIIFLYNLVLVYAGFDDPRKAIELVQKRYGRPCDCSGGQVSEPPSDRVSQVTCSGKTAYLMPD-QRWKCKSIPKDTSPSPLQECPCNSY--
-QSSVHSSCYTSYQQCRSGNKTYYTATLLKTQTGG---TSDVQVLGSTNKLIQSPCN-GIKGQSICWSTTAPIHVSDGGGPLDTTRIKSVQRKLEEIHKA
LYPELQYHPLAIPKVRDNLMVDAQTLNILNATYNLLLMS-NTSLVDDCWLCLKLGPPTPLAIPNFLLSY----VTRSSDNISCLIIPPLLVQPMQFSNSS
CLFSPSYNSTEEIDLGHVAFSNCTSITNVT---GPICAVNGSVFLCGNNMAYTYLPTNWTGLCVLATLLPDIDIIPGDEPVPIPAIDHFIYRPKRAIQFI
PLLAGLGITAAFTTGATGLGVSVTQYTKLSNQLISDVQILSSTIQDLQDQVDSLAEVVLQNRRGLDLLTAEQGGICLALQEKCCFYVNKSGIVRDKIKTL
QEELERRRKDLASNPLWTGLQGLLPYLLPFLGPLLTLLLLLTIGPCIFNRLTAFINDKLNIIHAMVLTQQYQVLRTDEEAQD-----
>sp|P51520|ENV_SRV2R Envelope glycoprotein OS=Simian retrovirus SRV-2 (isolate 2R-18B1) GN=env PE=3 SV=1
----DIPFWRVLLIFQTARVYAGFGDPREAITIIHQQHGKPCDCAGGYVITAPTVYLATVSCSSHTAYQPSDSLKWRCVSNPTLANGENIGNCPCQTF--
-KESVHSSCYTTYQECFFGNKTYYTAILASNRAPTIGTSNVPTVLGNTHNLLSAGCT-GTVGQHICWNPKAPVHISDGGGPQDKAREIAVQKRLEEIHRS
LFPELRYHPLALPKARGKEKIDAQTFNLLTATYSLLNKS-NPNLANECWLCLPSGNPVPLAIPSNDSF--------LGSNLSCPIIPPLLVQPLEFINAS
CLYSPSQNNSFDVDVGLVEFTNCSTTLNIS---HSLCAPNSSVFVCGNNKAYTYLPTNWTGTCVLATLLPDIDIVPGDAPVPVPAIDHYLHRARRAVQFI
PLLVGLGITTAVSTGTTGLGYSITQYTKLSRQLISDVQAISSTIQDLQDQVDSLAEVVLQNRRGLDLFTAEQGGICLALQEKCCFYANKSGIVRDKIKAL
QEDLEKRRKEIIDNPFWTGLHGLLPYLLPLLRPLLCLLLLITFGPLIFNKIIAFVKQQMDAIQAKPIQVHYHRLEQEDNGGV-----
>sp|P07575|ENV_MPMV Envelope glycoprotein OS=Mason-Pfizer monkey virus GN=env PE=1 SV=1
----YHFIWSLVILSQISQVQAGFGDPREALAEIQQKHGKPCDCAGGYVSSPPINSLTTVSCSTHTAYSVTNSLKWQCVSTPTTPSNTHIGSCPGECNTI
SYDSVHASCYNHYQQCNIGNKTYLTATITGDRTPAIGDGNVPTVLGTSHNLITAGCPNGKKGQVVCWNSRPSVHISDGGGPQDKARDIIVNKKFEELHRS
LFPELSYHPLALPEARGKEKIDAHTLDLLATVHSLLNAS-QPSLAEDCWLCLQSGDPVPLALPYNDTLCSNFA---CLSNHSCPLTPPFLVQPFNFTDSN
CLYAHYQNNSFDIDVGLASFTNCSSYYNVSTASNSLCAPNSSVFVCGNNKAYTYLPTNWTGSCVLATLLPDIDIIPGSEPVPIPAIDHFLGKAKRAIQLI
PLFVGLGITTAVSTGAAGLGVSITQYTKLSHQLISDVQAISSTIQDLQDQVDSLAEVVLQNRRGLDLLTAEQGGICLALQEKCCFYANKSGIVRDKIKNL
QDDLERRRRQLIDNPFWTSFHGFLPYVMPLLGPLLCLLLVLSFGPIIFNKLMTFIKHQIESIQAKPIQVHYHRLEQEDSGGS-----
>sp|P31796|ENV_AVISN Envelope glycoprotein OS=Avian spleen necrosis virus GN=env PE=3 SV=1
----EGKVDQASKILILLVAWWGFGTTAEG-YPLQQLWELPCDCSGGYVSSIPTY-TYSLDCGGSTAYLTGFKQQWECVFKPKIPSVQQPGPCPSECLQ-
IATQMHSTCYEKTQECTLLGKTYFTAILQKTKLGSY-E-------DGPNKLIQASCT-GTVGKPVCWDPVAPVYVSDGGGPTDMIREESVRERLEEIIRH
SYPSVQYHPLALPRSRGV-DLDPQTSDILEATHQVLNAT-NPKLAENCWLCMTLGTPIPAAIPTNGN---------VTLDGNCSLSLPFGCNPPGSIDVS
CY-AGEADNRTGIPVGYVHFTNCTSIQEVTNELTRLCPPPGHVFVCGNNMAYTALPNKWIGLCILASIVPDISIISGEEPIPLPSIEYTARRHKRAVQFI
PLLVGLGISGATLAGGTGLGVSVHTYHKLSNQLIEDVQALSGTINDLQDQIDSLAEVVLQNRRGLDLLTAEQGGICLALQEKCCFYANKSGIVRDKIRKL
QEDLIERKRALYDNPLWSGLNGFLPYLLPLLGPLFGLILFLTLGPCIMKTLTRIIHDKIQAVKS-----------------------
>sp|P03399|ENV_AVIRE Envelope glycoprotein OS=Avian reticuloendotheliosis virus GN=env PE=3 SV=1
----EGKVDQAGKTLILLVVWWGFGTTAEG-HPLQQLWELPCDCSGGYVSPDLPIPTPSIAVASPLP-DLGFRQQWECVFKPKIPSVQQPGPC--ECLT-
IATQMHSTCYEKAQECTLLGKTYFTAILQKTKLGSY-E-------DGPNKLLQASCT-GIWETS-MLGPRCPCVCLDGGGPTDRFGR-ICAEGLEEIIRH
SYPSVQYHPLALPRPRGV-DLDPQTSDILEATHQVLNAT-NPQLAENCWLCMTLGTQSPQPSRRMAM----------SLSMEIAVLASLSGATHRVNRCQ
LL-CREADNRTGIPVGYVHFTNCTSIQESLTRILRDYVLHRVMYLCVEQHAYTALPNKWIGLCILASIVPDMSIIPGEEPIPLPSIEYTAGRHKRAVQFI
PLLVGLGITGATLAGGTGLGVSVHTYHKLSNQLIEDVQALSGTINDLQDQIDSLAEVVLQNRRGLDLLTAEQGGICLALQEKCCFYANKSGIVRDKIRKL
QEDLLARKRALYDNPLWNGLNGFLPYLLPSLGPLFGLILFLTLGPCIRKTLTRIIHDKIQGSKNPRISPAVQATPNRD-GYP-----
>tr|I4DHB8|I4DHB8_9GAMR Envelope glycoprotein OS=RD114 retrovirus GN=env PE=4 SV=1
----MKLPTGMVILCSLIIVRAGFDDPRKAIAIVQKQHGKPCECSGGQVSEAPPNSIQQVTCPGKTAYLMTN-QKWKCRVTPKTPSGGELQNCPCNTF--
-QDSMHSSCYTEYRQCRANNKTYYTATLLKIRS---GSLNEVQILQNPNQLLQSPCR-GSINQPVCWSATAPIHISDGGGPLDTKRVWTVQKRLEQIHKA
MHPELQYHPLALPKVRDDLSLDARTFDILNTTFRLLQMS-NFSLAQDCWLCLKLGTPTPLAIPTPSLTYSLA---DSLANASCQIIPPLLVQPMQFSNSS
CLSSPFINDTEQIDLGAVTFTNCTSVANVS---SPLCALNGSVFLCGNNMAYTYLPQNWTGLCVQASLLPDIDIIPGDEPVPIPAIDHYIHRPKRAVQFI
PLLAGLGITAAFTTGATGLGVSVTQYTKLSHQLISDVQVLSGTIQDLQDQVDSLAEVVLQNRRGLDLLTAEQGGICLALQEKCCFYANKSGIVRNKIRTL
QEELQKRRESLASNPLWTGLQGFLPYLLPLLGPLLTLLLILTIGPCVFSRLMAFINDRLNVVHAMVLAQQYQALKAEEEAQ------
>tr|F8VBW6|F8VBW6_MPMV Env protein OS=Simian endogenous retrovirus vero ATCC CCL-81 PE=2 SV=1
----MRFLWRIIALYNIVTVYAGFDDPRKARGLIQKQYGQPCDCRGGQISEPPSDRITQVTCSGKTAYLMPD-QSWKCKSTPRSPSG-PLLECPCSSF--
-QSSVHSSCYTSYQQCKSGNKTYYTATLLKTQT---GGTNDVQVLGSTNKLVQSSCN-GQKGKPVCWSTTAPIHISDGGGPLDIARIKTVQKKLEKIHKA
LYPELQYHPLALPEIRDNFRLDAQTFDILNATYNLLQMS-NTSLAHDCWLCLKMGPPIPLAIPNFLLSYVSN---ESLVNNSCPIISPLLVQPMTFSNSF
CLFSPSYKSTKEIDLGYVVFDNCTSIIHAT---DPLCAVNGSVFVCGNNMAYTYLPTNWTGLCVLATLLPDIDIIPGDEPIPIPAIEHFIYRPKRAIQFI
PLLAGLGITTAFTTGATGLGVSLTQYTKLSNQLISDVQTLSSTIQDLQDQVDSLAEVVLQNRRGRDLITAEQGGICLALQEKCCFYANKSGIVRDKIKTL
QEELEKRRKGLAANPLWTGLDGLLPYLLPFLGPLLTLLLFLTLGPIILNKLMAFVRQQIEAFQAKPIQVHYHRLEMTENGE------
>tr|Q9GLF7|Q9GLF7_TRIVU Envelope protein OS=Trichosurus vulpecula GN=env PE=4 SV=1
----S---TLLISLLLFAETDAGFGPPPGTDL-RHALFGAPCDCKGGIITAMPTAFTRAIDCGNKIAYLQYHHQSYQCVRKVKPQNNGIPGPCPSDCVY-
-LQALHSLCYTSTQQCTGKG-TYLTSRQQRAYGGSTGGDGPIQISGPTNKYAQASCD-KNIGKNVCWSLHAPIHVSDGGGPTDQIREMEVKERVDEIIRA
MYPPLQYHPLALPRGRG-VDLDVQTYDILASTHKALNIT-NPDLAKDCWLCMTLGTPMPLALLTHDLSF----------ATNCALSPPFRVQPMRPLSAP
CIEAPFRNSSYDLNVGHASFALCTSNHTFNYTPHLLCPTPGRAFVCGGNMAFLALPSNWTGLCVQASILPDINIISGDQPVPLPSIDYIAGRPKRAVAFI
PLLVGLGVAGAMTTGSAGLGVAIHSYAKLSNQLINDVQTLSGTIHDLQDQIDSLAEVVLQNRRGLDLLTAEQGGICLALQEKCCFYANKSGMVRDKIKKL
QEELVQRRKELLNNPLWNGLHGLLPYLLPLLGPLVGLLLLLSFGPWVFNRLTTFVKSQVDSAIARKSHIFYSRLQEQDTTQ------
>tr|T2FG91|T2FG91_9GAMR Envelope glycoprotein OS=Galidia ERV GN=env PE=4 SV=1
----T---VTLFYITLLPLVEGGWRLQSRGDAALGLLWGNPYDCKGGITGSAPPDHFQERDCGDKTAYLTYNKDGWKCVTKPQIQSGRRPGDCPTECLTT
IATEMHSSCYQEAQECTHPGQVYFTAILQKTYSRSSGGGNYS-QGRGTSKYAQASCW-GTPGKPVCWPLKAPIHVSDGGGPTDKIKKKLVQKKIGQIIQT
RYPPLRYPSFTHSNPGG-LDKN---FNLLTATHRTLNSS-NHDLARNCWLCMTVGTPLPTATPANSSML---------GGSNCNLSLPFRVQPVGFNNSI
CHQGPSRNDNYNLDVGFITFSKCSETLE--H-SGPLCPARGQVFICGENLAFTALPLNWTGLCVQGTVLPDIDIIPGDEPVPVPSLDYIAGRQKRAVQFI
PLVIGLGLTGALVTGSAGLGVSVHSYNKLASQLIDDVQALSGTINDLQDQIDSLAEVVLQNRRGLDLLTAEQGGICLALQERCCLYANKSGIVRNKIKKL
QEDLEERRKQLFENPLWGGLNGLLPYLLPLLGPLFGLLIVLSVGPYIFKTVVGLIQAKTQDLKLMVLRTHYQPITENTKST------
>sp|P21412|ENV_SMRVH Envelope glycoprotein OS=Squirrel monkey retrovirus GN=env PE=3 SV=1
----L---ILLLHPRLCPVTKGGLGKPS-GDI-YTALFGAPCDCKGGTQTNNTPTYTQVTDCGDKNAYLTYDTPKWLCVRKPPPVINGRPGPCPSECTNN
IKSQMHSSCYSSFSQCTQGN-TYFTAILQRTKSTSET--NPVTSGLQPHGVLQAGCD-GTVGKSVCWNQQAPIHVSDGGGPQDAVRELYVQKQIELVIQS
QFPKLSYHPLARSKPRG-PDIDAQMLDILSATHQALNIS-NPSLAQNCWLCLNQGTSMPLAFPVNISSF-------NASQNNCTPSLPFRVQPMPSQVYP
CFFKGAQNNSFDIPVGVANFVNCSSSSN--H-SEALCPGPGQAFVCGNNLAFTALPANWTGSCVLAALLPDIDIISGDDPVPIPTFDYIAGRQKRAVTLI
PLLVGLGVSTAVATGTAGLGVAVQSYTKLSHQLINDVQALSSTINDLQDQLDSLAEVVLQNRRGLDLLTAEQGGICLALQERCCFYANKSGIVRDKIKNL
QEDLEKRRKALADNLFLTGLNGLLPYLLPFLGPLFAIILFFSFAPWILRRVTALIRDQLNSLLGKPIQIHYHQLATRDLEG------
>tr|D2KAT0|D2KAT0_RABIT Syncytin-Ory1 OS=Oryctolagus cuniculus PE=4 SV=1
----YT-------IHWAPPVFAGLDNPQGIQKYLQQ--HHPCTCSGGIIVSFPRTRHFTQDCGDKTAYLTVPGSRWFCVPKPKLDSYRTGDQCPSECNKT
IHYSVHSSCYTQYQTCNKGNQRLLFAVISGDYEGTFGGELSS------SRFSSPSCP--TKGQVACWYPIAPVGVSDGGGPQDTLTKLKTQKVLETVFES
LYPSLQYHPLAKVHSRGNKDLDVNTIDILTNTHKLLNLS-APNLARDCWLCLRQGPPLPLAIFLPLNNTLNS-------FLGHPPMQPFPVLPVPTENIT
CLYKPPNNNPFDIDVGLAPFCTNNV--TVN---YPLYAPNSTVFVCRDNLAYTILPTNWTGNCMHAILFPDIEIINGDTPVPIPSLDYIAGRQKRAIQFI
PLLATLGISSAMVTGSTGLGIAVHKYRELSQQLINDVQTLSTTIQDLQDQIDSLAEVVLQNRRGLDLLTAERGGICLALQEKCCFYANKSGIVRDKIKTL
QEDLERRRRAMAENPFWTGWNGLLPYLLPLLGPIVGLLVVLSIGPCLLNRLMTFIRQQVDNLAARPIQIHYQSLAMEDPME------
>tr|M3XDQ8|M3XDQ8_FELCA Uncharacterized protein (Fragment) OS=Felis catus PE=4 SV=1
----M---IIILLALNFKPLKGTLNAPIDKQALLQALYGRPCDCKGGIVTTIALPHYLTQT-YGS---TGFKKQQWLCVNKPEP----PMTECPCKTF--
-QESIHSSCYDSYQQCIGPATTYFTAILQSTRAA-I--------ASDDNKQILAGCR-GSVGAAVCWNPRAPIHVSDGGGPQDAVRQIETQKKLKDLMKH
MYPQLNYHPLVLPRHS-PYELDPQTMSILETTFSLLNTS-NPILAQDCWLCLPQQAPRPIAIPTIVNISID-----------CFPSSLPEPFPIQFINAS
CFISNLTSQNNSIDVGITSLAQCHQYITIS---SSLCSTNTTVFVCGNNLAYTYLPHNWTGICVLATLLPDIDLVAGKTPMPIPSLDFVTGRSKRAVAVI
PLLAGLGITGAVTTGTAKLGVSIHSYLRLSRQLIDDVQALSGTIQE------------------------------------------------------
-------RKELAENPLWSGLHGFLPYLLPLLGPLLCLLLLCTVGPIIINKIMNFVRDRLNTIQVMVLRPQYQPLDTEN---------
>tr|H0W2M8|H0W2M8_CAVPO Uncharacterized protein (Fragment) OS=Cavia porcellus PE=4 SV=1
------------------------------------------------------------------------------------------GPCPQECKS-
YQIEMRSSCYDAVQECTGLNATHFTVILTKIKMAAAGGDGPLCIG--SPVYTQASCK-GEINKPVCWYKRTPIHVSDWGGPQDKMRELYVEKKLKEIEDS
LFPKINYHRIALPKSWG-VDLD-QTYDILSATHHVLNFT-NPDLAQDCWLCMTLGTLMPLAIPSNSTID--PF--HDPHNFTCRPSQSFLVQPLIIPSMT
CLQGSLQNDSTLIDMGHLLSTACVQFVNLR---DPLCPPTGHIFVCSNNMAYNYIPANRKGICITASLLPDIDIVSGDKPVPVP-IYYIAGRQKRTITLI
PLLVGMGLTGAVVTGAAGLAFTSDKYTVLSNQLSEDVQALSFTVKTLQNQISMVHAGLGGPASGTDLRTSLLGSPCDCGGGTCCWSAGSHLEIQDILKKL
QEDLEKRRKELQDNPFWGAWNGLLPYVLPLLGPLCSLLLLLLVGPFLLRWVTSFINGRLAAA-------------------------