>Env protein [STLV-2]
MGKIIAFLLFHLTCITITKQSRCTLTVGVSSYHSSPCSLAQPICTWDLDLHSLTTDQRLYPPCPNLVSYS
NFHKSYSLYLFPHWVKKPNRQGLGYYSASYSDPCSLQCPYLGSQSWTCPYTGPISSPSWRFHRDVNFTQE
VNHVTLRLHFSRCGSSMTLLIDAPGYDPLWFISSEPTQPPPTSPPLVRDSDLEHILTPSSSWATRMLTLI
QLTLQSTNYSCMVCIDRTSLSSWHVLYTPNISASPGGDSLPILYPSLALPAPQPQPFSWSHCYQPHLQAV
TTANCNNSIVLPPFSLTPVPSPGTRSRRAIPVAVWLVSALAAGTGIAGGITGSLSLASSRSLLFEVDKDI
SHLTQAIVKNHQNILRVAQYAAQNRRGLDLLFWEQGGLCKAIQEQCCFLNISNTHVSVLQERPPLEKRVI
TGWGLNWDLGLSQWAREALQTGITILALLLLVILFGPCILRQLQSLPHRLQNRHNQYSLINQETTL

>Env protein [HTLV-2]
MGNVFFLLLFSLTHFPLAQQSRCTLTIGISSYHSSPCSPTQPVCTWNLDLNSLTTDQRLHPPCPNLITYS
GFHKTYSLYLFPHWIKKPNRQGLGYYSPSYNDPCSLQCPYLGCQAWTSAYTGPVSSPSWKFHSDVNFTQE
VSQVSLRLHFSKCGSSMTLLVDAPGYDPLWFITSEPTQPPPTSPPLVHDSDLEHVLTPSTSWTTKILKFI
QLTLQSTNYSCMVCVDRSSLSSWHVLYTPNISIPQQTSSRTILFPSLALPAPPSQPFPWTHCYQPRLQAI
TTDNCNNSIILPPFSLAPVPPPATRRRRAVPIAVWLVSALAAGTGIAGGVTGSLSLASSKSLLLEVDKDI
SHLTQAIVKNHQNILRVAQYAAQNRRGLDLLFWEQGGLCKAIQEQCCFLNISNTHVSVLQERPPLEKRVI
TGWGLNWDLGLSQWAREALQTGITILALLLLVILFGPCILRQIQALPQRLQNRHNQYSLINPETML

>Env protein [STLV-1]
MGKFLTTLILFFQFCPLILGDYSPSCCTLTIGVSSYHSKPCNPAQPVCSWTLDLLALSADQALQPPCPNL
VSYSSYHATYSLYLFPHWIKKPNRNGGGYYSASYSDPCSLKCPYLGCQSWTCPYTGAISSPYWKFQQDVN
FTQEVSRLTINLHFSKCGFPFSLLIDAPGYDPIWFLNTEPSQLPPTAPPLLPHSNLDHILEPSIPWKSKL
LTPVQLTLQSTNYTCIVCIDRASLSTWHVLYFPNVSVPSSPSTPLLYPSLALPAPHLTLPFNWTHCFNPQ
IQAIVSSPCHNSLILPPFSLSPVPTLGSRSRRAVPVAVWLVSALAMGAGMAGGITGSMSLASGRSLLHEV
DKDISQLTQAIVKNHKNLLKIAQYAAQNRRGLDLLFWEQGGLCKALQEQCCFLNITNSHVSILQERPPLE
NRVLTGWGLNWDLGLSQWAREALQTGITLVALLPLVILAGPCILRQLRHLPSRVRHPHYSLINPESCL

>Env protein [HTLV-1]
MGKFLATLILFFQFCPLILGDYSPSCCTLTVGVSSYHSKPCNPAQPVCSWTLDLLALSADQALQPPCPNL
VSYSSYHATYSLYLFPHWIKKPNRNGGGYYSASYSDPCSLKCPYLGCQSWTCPYTGAVSSPYWKFQQDVN
FTQEVSHLNINLHFSKCGFSFSLLVDAPGYDPIWFLNTEPSQLPPTAPPLLSHSNLDHILEPSIPWKSKL
LTLVQLTLQSTNYTCIVCIDRASLSTWHVLYSPNVSVPSPSSTPLLYPSLALPAPHLTLPFNWTHCFDPQ
IQAIVSSPCHNSLILPPFSLSPVPTLGSRSRRAVPVAVWLVSALAMGAGVAGRITGSMSLASGKSLLHEV
DKDISQLTQAIVKNHKNLLKIAQYAAQNRRGLDLLFWEQGGLCKALQEQCCFLNITNSHVSILQERPPLE
NRVLTGWGLNWDLGLSQWAREALQTGITLVALLLLVILAGPCILRQLRHLPSRVRYPHYSLINPESSL

>Env protein [SIV-2]
MLRYIILGIIVGLGLGNQWVTVYYGTPKWHKAETHLFCATENDSLWVTTSCVPSLLHYEEQPIPNITWNF
TGPMEENEVVMQAWGAISSMIDAVLKPCVKLTPYCVKMQCTKGKDLATPIPTTSTTTTTTTTKTVANTTE
LDIDTNNTETTTQQNRVCKFNTTGLCRDCKLEIEENFRYEDVTCTNGTNNTYSCYMTQCNTSVITQDCNK
ASTDEIKFRLCAPPGYVLLRCLERLNVSKKCTNITAVQCTQPLPATTSTMCGSSGTKHDYNELIQTNTKK
GKEEFHDHKYVYRVDEKYNLQVVCRRKGNRSVISTPSATGLIFYSGLEPGKNLKKGMCQLKGQWGIAMHD
LAIELRKIDSSIWRNVTKGYCKGLKRKENRTGCALKTIKVSDYTTKGEPGAETIMLLCGGEYFFCNWTKI
WRTWNDQNSSVWYPWMSCNIRQIIDDWHKVGKKIYMPPVSGFNNEIRCSNDVTEMFFEVQKTEEGYIIKF
VPQDEVQNRFTAVGAHYQLVKVDPIGFAPTEVARYHLPEARQKRGAVLLGMFGLLGLAGSTMGSVAVALT
VQSQALLNGIVEQQKVLLSLIDQHSELLKLTIWGVKNLQARLTALEDYVADQARLSMWGCSFAQVCHTHV
PWPNDSITPNWTSETWLEWDKRVTALTDNMTVNLQKAYELEQKNIYELEKLGDWTSWASWFDFTWWLKYV
KIGLLIVIVIIVLRILACLWSVLGKFRQGYRPLPYVFKGDYLRPHNLKQPGKEREEEPDSEKQSTKSDSS
KVEFGKPWSKEQIRDWLKTSRGYVWLKNLQAVIEYGWQELKTAGGKIFKVLQGYAQGLWSRGHQWGLSTA
ACFRAIARGIINIPRRIRQGAEVLLN

>Env protein [HIV-2]
MEPGRNQLFVVILLTSACLVYCSQYVTVFYGIPAWKNASIPLFCATKNRDTWGTIQCLPDNDDYQEIILN
VTEAFDAWNNTVTEQAVEDVWHLFETSIKPCVKLTPLCVAMNCSRVQGNTTTPNPRTSSSTTSRPPTSAA
SIINETSNCIENNTCAGLGYEEMMQCEFNMKGLEQDKKRRYKDTWYLEDVVCDNTTAGTCYMRHCNTSII
KESCDKHYWDAMRFRYCAPPGFALLRCNDTNYSGFEPKCTKVVAASCTRMMETQTSTWFGFNGTRAENRT
YIYWHGRDNRTIISLNKYYNLTMRCKRPGNKTVLPITLMSGLVFHSQPINTRPRQAWCRFGGRWREAMQE
VKQTLVQHPRYKGINDTGKINFTKPGAGSDPEVAFMWTNCRGEFLYCNMTWFLNWVEDKNQTRRNYCHIK
QIINTWHKVGKNVYLPPREGELACESTVTSIIANIDIDKNRTHTNITFSAEVAELYRLELGDYKLIEITP
IGFAPTDQRRYSSTPVRNKRGVFVLGFLGFLATAGSAMGARSLTLSAQSRTLLAGIVQQQQQLLDVVKRQ
QEMLRLTVWGTKNLQARVTAIEKYLKHQAQLNSWGCAFRQVCHTTVPWVNDSLSPDWKNMTWQEWEKQVR
YLEANISQSLEEAQIQQEKNMYELQKLNSWDILGNWFDLTSWVKYIQYGVHIVVGIIALRIAIYVVQLLS
RFRKGYRPVFSSPPGYLQQIHIHKDRGQPANEGTEEDVGGDSGYDLWPWPINYVQFLIHLLTRLLIGLYN
ICRDLLSKNSPTRRLISQSLTAIRDWLRLKAAQLQYGCEWIQEAFQAFARTTRETLAGAWGWLWEAARRI
GRGILAVPRRIRQGAELALL

>Env protein [SIV-1]
MGRLLIKILIIAIGISIGIGNLYVTVFYGIPVWKNSTVQAFCMTPNTNMWATTNCIPDDHDNTEVPLNIT
EAFEAWDNPLVKQAESNIHLLFEQTMRPCVKLSPICIKMSCVELNGTATTKATTTATTTMTTPCQNCSTE
QIEGEMAEEPASNCTFAIAGYQRDVKKNYSMTWYDQELVCNNKTGSEKGSKDCYMIHCNDSVIKEACDKT
YWDTLRVRYCAPAGYALLKCNDKDYRGFAPKCKNVSVVHCTRLINTTITTGIGLNGSRSENRTEIWQKGG
NDNDTVIIKLNKFYNLTVRCRRPGNKTVLPVTIMAGLVFHSQKYNTRLKQAWCHFQGDWKGAWKEVREEV
KKVKNLTEVSIENIHLRRIWGDPESANFWFNCQGEFFYCKMDWFINYLNNRTEDAEGTNRTCDKGKPGPG
PCVQRTYVACHIRQVVNDWYTVSKKVYAPPREGHLECNSSVTALYVAIDYNNKSGPINVTLSPQVRSIWA
YELGDYKLVEITPIGFAPTDVRRYTGPTREKRVPFVLGFLGFLGAAGTAMGAAATTLTVQSRHLLAGILQ
QQKNLLAAVEQQQQLLKLTIWGVKNLNARVTALEKYLEDQARLNSWGCAWKQVCHTTVPWKYNNTPKWDN
MTWLEWERQINALEGNITQLLEEAQNQESKNLDLYQKLDDWSGFWSWFSLSTWLGYVKIGFLVIVIILGL
RFAWVLWGCIRNIRQGYNPLPQIHIHSSAERPDNGGGQDRGGESSSSKLIRLQEESSTPSRINNWWLNFK
SCSLRIRTWCYNICLTLLIFIRTAVGYLQYGLQQLQEAATGLAQALARAAREAWGRLGAIVRSAYRAVIN
SPRRVRQGLEKVLG

>Env protein [HIV-1]
MRVKEKYQHLWRWGWRWGTMLLGMLMICSATEKLWVTVYYGVPVWKEATTTLFCASDAKAYDTEVHNVWA
THACVPTDPNPQEVVLVNVTENFNMWKNDMVEQMHEDIISLWDQSLKPCVKLTPLCVSLKCTDLKNDTNT
NSSSGRMIMEKGEIKNCSFNISTSIRGKVQKEYAFFYKLDIIPIDNDTTSYKLTSCNTSVITQACPKVSF
EPIPIHYCAPAGFAILKCNNKTFNGTGPCTNVSTVQCTHGIRPVVSTQLLLNGSLAEEEVVIRSVNFTDN
AKTIIVQLNTSVEINCTRPNNNTRKRIRIQRGPGRAFVTIGKIGNMRQAHCNISRAKWNNTLKQIASKLR
EQFGNNKTIIFKQSSGGDPEIVTHSFNCGGEFFYCNSTQLFNSTWFNSTWSTEGSNNTEGSDTITLPCRI
KQIINMWQKVGKAMYAPPISGQIRCSSNITGLLLTRDGGNSNNESEIFRPGGGDMRDNWRSELYKYKVVK
IEPLGVAPTKAKRRVVQREKRAVGIGALFLGFLGAAGSTMGAASMTLTVQARQLLSGIVQQQNNLLRAIE
AQQHLLQLTVWGIKQLQARILAVERYLKDQQLLGIWGCSGKLICTTAVPWNASWSNKSLEQIWNHTTWME
WDREINNYTSLIHSLIEESQNQQEKNEQELLELDKWASLWNWFNITNWLWYIKLFIMIVGGLVGLRIVFA
VLSIVNRVRQGYSPLSFQTHLPTPRGPDRPEGIEEEGGERDRDRSIRLVNGSLALIWDDLRSLCLFSYHR
LRDLLLIVTRIVELLGRRGWEALKYWWNLLQYWSQELKNSAVSLLNATAIAVAEGTDRVIEVVQGACRAI
RHIPRRIRQGLERILL