Supplementary Data 1: FASTA protein sequences derived from the venom gland transcriptome of the Amazonian rain forest pit viper Bothrops atrox used for the blinded 'ToxClassifier' experiment. >test_01 KPVQQWAQSWPGPNIPPLLVQQWAQKWPSPKVPPLTVQQWAPLQKWAPVQKWAPLLQPHESPAGGTTALREELSLGPEAASGVPSAGAEVGRSGSKAPAAPHRLSKSKGAAATRPMRDLRPDGKQARQNWGRMVHHDHHDHHAAVGGGGGGGGGGGARRLKGLAKKGAAKGCFGLKLDRIGTMSGLGC >test_02 SVDFDSESPRKPEIQNEIVDLHNSLRKSVNPTASNMLKMEWYPEAAANAERWAFRCIERHSLPNSRVIRGIKCGENIYMSPIPLKWTEIIHAWHDEYKNFKYGTGAEPPTAVIGHYTQIVWYKSYLAGCAAAYCPSSSYKYFYVCQYCPAGNMRGKTATPYKSGPPCGDCPSACDDGLCTNPCTKEDTFTNCDSMVQLSGCQDRQMQSECPATCFCQNKII >test_03 DCPSGWSSYEGSCYKVFKERMNWEDAEKFCTQQQTGGHLVSFQSKEEADFVVSLTSPILRDSFVWTGLGDVWKGCSFEWSDGTDLSYKDNYQFVVTEYECVASKTKNNKWRIIPCTKLAYVVCEFHA >test_04 DCPSDWSPYGQYCYKFFQQQMNWADAERFCSEQAKGGHLVSFQSDGETDFVVKLVSANIQSSDLYVWIGLRVQNKEKQCNSKWSDGSSISYENVVERTVKKCFALEKEQEFFVWINIYCGQQNPFVCKSPPQ >test_05 VHVMQAKAPMYPNEPFLVFWNAPTTQCRLRYKVDLDLKTFHIVTNANDSLSGSAVTIFYPTHLGVYPHIDDRGHFFNGIIPQNESLVKHLNKSKSDINRMIPLRTFHGLGVIDWENWRPQWDRNWGSKNVYRNRSIQFARDLHPELSEDEIKRLAKREYEKAAKSFMRDTLLLAEEMRPDGYWGYYLYPDCQNYNYKTKTDQYTGECPDIEMSRNNQLLWLWRDSTALFPNVYLETILRSSDNALKFVHHRLKEAMRIASMARKDYALPVFVYARPFYAYTFEPLTQEDLVTTVGETAAMGAAGIVFWGSMQYASTVESCGKVKDYMNGPLGRYIVNVTTAAKICSRFLCKRHGRCVRKHSDSNAFLHLFPDSFRIMVHGNATEKKVIVKGKLELKNLIFLRNNFMCQCYQGWKGLYCEKHSIKEIRKI >test_06 LPDRCHSSKMVGPCRASFHRWWYNATSQTCQKFIFGGCKGNANNFFSEQDCFQTCARVATSRGGRHPEAYENRPGFREFCAAPRVVGPCRASFHRWYFDLESRTCKMFVYGGCHGNKNNYLFEEHCWSQCKGDGVITEEPGDADAHPRILSEPFSFSTRAVVLAVLLAILVTILLGSMVVFFVKNCRKNPELSGTVWTTLDDKEYLMSNAYSL >test_07 DDRNPLEECFRETDYEEFLEIAKNGLSAPSNPKRVVIVGAGMSGLSAAYVLANAGHQVTVLEASERAGGRVKTYRNEKEGWYANLGPMRLPEKHRIVREYIRKFGLQLNEFFQENENAWYFIKNIRKRVGEVNENPGILKYPVKPSEEGKSAGQLYEESLKKAVEELRRTNCSYMLNKYDTYSTKEYLLKEGNLSPGAVDMIGDLLNEDSGYYVSFMESLEHDDIFAYEKRFDEIVGGMDKLPTSMYQAIQEKVHLNARVIKIQQDVKEVTVTYQTSAKETLSATADYVIVCTTSRATRRIKFEPPLPPEKEHALRSVHYAGGTKIFLTCTKKFWEDDGIHGGKSTTDLPSRFIHYPNHNFTSGVGVIIAYVLGDDANFFEALDFEDCGDIVINDLSLIHQRPKEEIQAFCHPSMIQRWSLDKYAMGGITTFTPYQFQHFSEALTASVGRIFFAGEHTAKLHGWIDGAIKSGLTAARDVNHAS >test_08 MGWGVCSKASWGCSSGAHFCTGAHFCSGAHCCTVSGGTLGLGHFCAHCCTRSGGMLGPGQLCAHVLLLDAGDQYQGTIWFSFFKGREVVKFMNGLRYDAMALGNHEFDNGLAGLLDPLLKHVNFPILSANIRPKGPIASNISGYILPYKIINVGSEKVGIIGYTTKETPVLSNPGPYLEFRDEVEELQNHANKLTTLGVNKIIALGHSGFLEDQRIARKVKGVDVVVGGHTNTFLYTGSPPSTEVPAGNYPFMVQSDDGRQVPVVQAYAFGKYLGYLTVIFDDKGNVIKSSGNPILLNKDISEDQDVKAEVDKMKIQLHNYSSQEIGKTIVYLNGTTQACRFHECNLGNLICDAVIYNNVRHPDDNEWNHVSMCIVNGGGIRSPIDERANNGTITLEELSAVLPFGGTFDLLQIKGCALKEAFEHSVHRHGQGMGELLQVSGIKVVYDLSQKPGSRVVSLNVLCTECRVPTYVPLEKEKTYKLLLPSFLAGGGDGYHMLKGDSSNHSSGNLDISIVGDYIKRMEKVFPAVEGRMIFSAGTLFQAQLFLTWGLCISLLYFIL >test_09 LKESVQPQAQSWSCTKLRCGEKRIANALCSCSEDCLEKKDCCTDYKSICKGEISWLKDKCASPSAIQCPAGFEQSPLILFSMDGFRAGYLESWDSLMPNINKLKTCGTHAKYMRAVYPTKTFVNHYTIATGLYPESHGIIDNNIYDVNLNLNFSLSSSTAKNPAWWGGQPIWHTATYQGLKAATYFWPGSEVKINGSYPTIFKNYNKSVPFEARVTEMLKWLDLPKDKRPDFYTLYIEEPDTTGHNYGPVSGEIIKALQMADRTLGMLMEGLKQRNLHNCVNLILLADHGMEAISCDRLEYMDNYFNSIDFYMYEGPAPRIRSKNVPKDYYTFDSEGIVKNLTCRKPKQYFKAYLSKDLPKRLHYVNNIRIDKVNLMVDQQWMAVRNKKFTRCKGGTHGYDNEFKSMQAIFLAHGPGFNEKKEVTPFENIEVYNLMCDLLKLKPAPNNGTHGSLNHLLKNPFYTPSPAKEQSSPLSCPFGPVPSPDVSGCKCSSITELEKVNQRLNLNNEAKIESEAHNLPYGRPQVLQNHSKYCLLHQAKYISAYSQDILMPLWTSYTTYRSTPISVPPSASDCLRLDVRIPAAQSQTCSNYQPDLTITPSFLYPPNFNSSNFEQYDALITSNIVPMFKGFARLWNYFHTTLIPKYTIERNGLNVISGPIFDYNSDGHFDSYDTIKQHVNNTKIPIPTHYFVVLTSCENQINTPLNCLGPLKVLSFILPHRPDNSESCADTLPENLWVEERIQIHTARVRDVELLTGLNFYSGLKQPLPETLQLKTFLPIFVNPVN >test_10 SLVELGKMILQETGKNPVTSYGAYGCNCGVLGRGKPKDATDRCCSVHKCCYKKMTGCNPKKDRYSYSWKDKTIVCDENNPCLKELCECDKAVAICLRENLDTYNEKYKKYYKKPLCKKADPC >test_11 IILESGNVNDYEVIYPRKVTELPKGAVQPKYEDAMQYELKVNGEPVVLHLEKNKGLFSKDYSETHYSPDGKKITTNPPVEDHCYYHGRIENDADSTASISACNGLKGHFKLQGETYLIEPLKLSDSEAHAVFKFENVEKEDEAPKMCGVTQNWESYEPIKKASQSNLTPEQQRYVELFVVVDHGMFMKYNGNSDKIRRRIHQMVNIMKEIYSTMYIDIFLTGVEIWSNKDLINVQPAAPQTLDSFGEWRKTDLLNRKSHDNAQLLTSTDFNGPTIGLAYVGSMCDPKRSTGVIQDHSPINLMVAVTMAHELGHNLGISHDTGSCSCGGYSCIMSPVLSHEPSKYFSDCSYIQCWDFIMKENPQCILNKRLRTDTVSTPVSGNQLLEAGE >test_12 IILESGKVNDYEVVYPRKVTALPKGAVQPKYEDAMQYEFKVNGEPVVLHLEKNKGLFSKDYSETHYSPEGREITTNPPVEDHCYYHGHIQNDADSTASISACNGLKGHFKLQGEMYLIEPLKLSDSEAHAVYKYENVEKEDEAPKMCGVTQTNWESDEPIKKASQLNPDEQRYIELVIVADHRIFTKYEGDKTEICSRIYETVNALNVICRSLNIRVALIGLDIWSSGDLSKVTLSADDTLESFGEWRRRHFLKRKKHDHAQLLTGMIFNGTIEGRAYKKSMCNPKYSVGIVQDHRSRYHFVANRMAHELGHNLGIHNDRDSCSCGANSCIMSATVSNEPSSRFSDCSLNQYSSDLINNYNCLLNEPLRTDIVSPPVCGNYYPEVGEDCDCGPPANCQNPCCDAATCTLTTGSQCAEGLCCDQCKFIKAGKICRKARGDNPDDRCTGQSGDCPRNS >test_13 IILESGNVNDYEVIYPRKVTELPKGAVQPKYEDAMQYELKVNGEPVVLHLEKNKGLFSKDYSETHYSPDGKKITTNPPVEDHCYYHGRIENDADSTASISACNGLKGHFKLQGETYLIEPLKLSDSEAHAVYKYENVEKEDEAPKMCGVTQTNWKSDEPIKASQLAFTAEQRRYLNTRKYIELVIVADNVMVKKYTGNSTAIRTRIYSCVNTLNLIYSAFNTHIALTGVEIWSNGDKINVQSNSSVTLDFFGTWRETVLLNRKRHDNAQLLTAIDLDGPTVGLAYVGSMCNPKGSTGLIQDHNKLDVMVAITMAHELGHNLGMNHDGNQCNCGGNPCIMSATLDFEPVYQFSDCSRDQHWRYLIDNRPPCILNIPLRTDIVSPPVCGNYFVEVGEECDCGLPANCQNQCCNAATCKLIPGAQCEDGECCERCQFKGAGTECRAARSECDIAESCTGQSPECPTDDFQRNGQPCLNNQGYCYNGNCPILDHQCHNLFGAGATVAPNACFDFNRKGQGNSYCRKQNGVTIPCARKDIKCGRLFCVQGPIGNTISCQSTSSQDDPDIGMVDLGTKCGDGRVCNSNRECVDVSTAY >test_14 QKSSELVVGGDECDINEHRSLVAIFNSTGFFCSGTLLNQEWVLTASHCDSTNFQMKIGVHSKKSLNQDEQTRNPKEKIFCPNKKNDDALDKDLMLVRLDSPVSNSEHIAPLSLPSSPPSVGSVCRIMGWGSITPIAKTNPDVPHCANINLLDDAVCRAAYPELPAEYRTLCAGVLEGGIDTCNGDSGGPLICNGQFQGIVFYGAHPCGQAPKPGLYTKVIDYNTWIESVIAGNTAATCPP >test_15 APAQGNGDRQQSEVIPFMTVYERSVCRPIETMVDIFQEYPDEVEYIFKPSCVALMRCGGCCNDEALECVPTELYNVTMEILKLKPYQSQHTHPMSFQQHSKCECRPKKEIRIIQENHCEPCSERRKHLYKQDPLTCKCSCKFTDSRCKSKQLELNERTCRCEKPRR