OlfactionBase: A repository of Odors, Odorants, Olfactory Receptors and related information
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Odorant/Pheromone Binding Proteins

OBPs, members of lipocalin protein family, are highly diverse, small, water-soluble, globular, ligand specific proteins present in the mucus fluid produced by nasal glands in vertebrates and in the sensillar lymph in insects. OBPs act a “carrier” to transport odorants across the hydrophilic mucus layer and release them in vicinity of their respective ORs. OBPs are highly selective, as they have unique ligand binding profile. OBPs functionality and expression are not limited to olfaction mechanism and olfactory organs. They are found to be involved in various other functions like measuring odorant concentration, deactivating odorants, etc. and found in taste organs, venom glands, sex hormone glands, etc of insects. Structurally OBPs are made up of eight antiparallel β-sheets folded into a continuous hydrogen-bonded β-barrel and a α-helical domain at the carboxyl terminal. OlfactionBase comprises of 2418 Odorant binding proteins, 399 Pheromone Binding proteins and 14 receptors from 189 species.

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Sr. No UniProt Organism Type Length Sequence
2326 B3MXM1 Drosophila ananassae Odorant binding 241 MGITHDTPPYSKTGDALDWVSCEQLTLFHLVASGKAENDRSVGGKVAGSRAYKSQEAAKVKSISPRTSRATKMKSMTVVSLLAVVLLPLQCICAQSQTFDLASLIPNRGSEPIWTTINKNLPQVQGMIDAARRQCIQQLGMPKGQRPLMKETNPSEKEKCLIECVLKKIKMIDDTNKLNLAQVEKLTSLVTQDNKVAIAISCSMAQNCNRSITEKKPCQAAHLFNQCIGRHLDRNNVKLVW
2327 D2EB91 Glossina morsitans morsitans Odorant binding 241 MKLITVIVFSIDFLLFIDASPSGVQEGIVLHQCLAPFGGYTLENDQRLQRFKQWSDTYEEFPCFTNCYLNNMFNIYNETQGFNEENVIKRFGRSVYNACKEKLIQGNNSCEIAYNGFHCLINREDDPFILIDNIEDISMEAKRAMKECLHKFNTDEWQYLSDYVRFPVQEPIPCYTRCFVYKMQLYNHRLRSWNIAAMQRLLGVPAEHANIENCLSLSKRRNNNMCAWIYKEMTCFSLSQ
2328 D6WNE2 Tribolium castaneum Odorant binding 241 MNKQIAVVTFLIAVAALTAAYEFNDPLFNQILANELVELESSAYPHHRSRRDEDAVTEKCRPFRKKKLCCAEETFDELHDKDRDFKRECFKQVVGSKDGPREFDPFRCDKVDKHRRDMTCVSQCVGQKKDVLDKDGNVKEAEFGEFVKETMAKESWFVSIQDKVVSTCLAEARNATANRDTSDTESCNPAGVKLMHCMFREIQLGCPTEQIKDQKACARARDKIKRHNEFLPPPPQFLNDE
2329 T1H401 Megaselia scalaris Odorant binding 241 MFKLSLIALCALVAAAVAYNFDDTAFNNFLLEEFEEVPVTRSKRDAECHHHRGKHERDGFHCCKEDKFDPKMWESFKQVKRECMKEISGEESLDEMNMDPFDCKKMEKIKSDMICVSECVARKSKFLNDQGVVDKDNVLAAIKAKVEGTEWKMAAAEGIVDKCLEEANKAEKVEGKCSAVPMKVTHCIWGQFIQSCPAELQSDSKKCKKIRERLASGDDKPFLHKAFFHHLHGMKHMESDE
2330 A0A0M4EID9 Drosophila busckii Odorant binding 242 MRLLALLAVYLLSLVFGCHALLQGEAHILAKCLSNYGGLNAANAERLERYKQWSPNYEEVPCFTQCYLSEMFDFYDKVAGFNGQRLRQRFSPALVEACSSQLRLHDQSSDSSCEHAYVGFHCLVSLENDPFVLIESMPNATRAAKSVMKQCLQQVEQEQWSRLADYAKFPVVEPIPCYTRCFISQLQLFDERTRRWRLPAMRQSLGVPQPAAPVSGCAKRRGRNPCANFYEQFTCFVMAAKV
2331 A0A182L931 Anopheles coluzzii Odorant binding 242 LGARSRFVYVYTLQLNSCSHSQVQRCSSRGAHAVSFHLWNHSPGLCSCRSHFNILCELSCSHCFTPVPWGSNFKKPSLPAYSSTEATTAMGHDSCWSSRWRVLAALVIFQCVILMVRSDEPRRDANYPPPELLEKMKPMHDACVAETGASEDAIKRFSDQEIHEDDKLKCYMNCLFHQAGVVNDKGEFHYVKIQDFLPESMHLITLNWFKRCLYPEGENGCEKAFWLNKCWKTRDPVHYFLP
2332 A0A1A9YN81 Glossina fuscipes Odorant binding 242 MKLITVVVFSLDFLFLIDASPSGGVQEGIVLHQCLAPYGGYTLENDQRLQRFKQWSDTYEEFPCFTNCYLNNMLNIYNETQGFNDENVIKRFGRSIYKACKEKLIQGNNTCEIAYNGFHCLISHEDDPFILIDNIEDISMEAKQAMKECLHKFNSDEWQYLGDYIRFPVQEPIPCYTRCYVYKMQLYDHRLRKWNIEAMQRLLGVPPEQANIERCLSLSKRRNNNNMCAWIYKEMTCFSLSQ
2333 B4G370 Drosophila persimilis Odorant binding 242 MSRQMWSLLAFILCIGVLESLALLDHETESIEKCIKNYGGLTSETAERLERFKEWSDGYEEIPCFTQCYLAEMFEFYDNRTGFDESGVAQLFGQPVYNACRQRLELGGGRTQSSCEHAYAGFHCITNLEGHPFMQIESMPNITESAKTAMKDCLQLVDRDEWSRFQAYPEFPVNEPIPCFTRCFISKLHLFDERTRRWQLPIMRRHLGVPVPGAHVSACHQRRGRNQCSSIYQQFTCYVMAA
2334 B4I4A9 Drosophila sechellia Odorant binding 242 MQMRSGILKALWLCLTFNEGLAILEHEGETINRCIQNYGGLTVENAERLGRFKEWSESYEEIPCFTRCYLSEMFEFYNNLTGFNKDGIVGVFGRPVYEACRKKLELPFASGESSCKHAYEGFHCITNMESHPFTVIDNMPNISPSAKNAMKDCLQDVHQDEWKSFDAFAYNPVNEPIPCFTRCFVDKLHIFEEKTRLWKLEAMKRNLGIPAKGSRIRTCHRQRGKDRCATYYKQFTCYAMAI
2335 Q9VNL1 Drosophila melanogaster Odorant binding 242 MQMKSGILIALCLCLSLNEGLALLEHEGETINRCIQNYGGLTAENAERLERFKEWSDSYEEIPCFTRCYLSEMFDFYNNLTGFNKDGIVGVFGRPVYEACRKKLELPFESGESSCKHAYEGFHCITNMESHPFTVIDNMPNISPSAKDAMKDCLQDVHQDEWKSFDAFAYYPVNEPIPCFTRCFVDKLHIFEEKTRLWKLEAMKQNLGIPAKGARIRTCHRHRGRDRCATYYKQFTCYAMAV
2336 A0A1B0GPA7 Phlebotomus papatasi Odorant binding 243 MCRKVLFLVFSTAFLSLAIAYDFSDPIYNSVLSSEILEALEDEEIDVNVPVNYRARRDVAPPEEDKRCKTRKSGWMCCRDQIEKTETHDKLKEMKKECYQEIRANHDDAEPFDMFSCERLKRIKQDTECAKECIAKKLEFLDENGAFREDFVKDFFRNNYTEAEWAREKSDSVVTKCLAEANKEKSSEDRKCSSKPIKFYYCMWKEFSTLCPQDKKRDSRMCNRLYKGEFFLPKNPDEADDMN
2337 J9K094 Acyrthosiphon pisum Odorant binding 243 MKVSAATAVLVALVATVQSSDPCNISTCYKSGTTKPPMAVTPTHLPVQSSSTQTSHPQTTYAKDHVHGSTTTKSGVNATVTTASGASVNGTEPPAVVKSSAGVTGNSTTPKPTMTEGHVALKQKLNTIAVKCKDELHAPQEIMALVSNTVVPQNEQQRCYLECVYKNLNLIKNNKFSVEDGKAMARIRFANQPEEHKKAVTIIETCEKEAVIDPKTTEKCAAGRVIRNCFVKNGEKINFFPKA
2338 A0A067QUM7 Zootermopsis nevadensis Odorant binding 244 MLFACLPVFLALACCVAAANTYEGSPAQASSLHSVLHRVIGGPGGDTTITVTGNVQFKETITVHKKDTDETDHEDGETESYFFERCCNITFGQSFRYLWRECVDETKNGLSETVANDEKPRSLLTEFNCIIQCVSQKLGLSEKNGRIKSEQMVNYVLSDSRTVAFGISESMINRCINIAKNKGLEIMKPNKGGEVCNTSNLEVFKFVECMTELGNIYCPANYVIESKSCDINRRMMKKKLHGAY
2339 A0A151WIJ3 Trachymyrmex zeteki Odorant binding 244 SLKCRSGVQQVQHDQYQKVMQICKARSKTDTNHSNNDSSSEGDDNDDSLSVDLFGTRFFVMNGGNKFSNVQSWKDPNENRYTNGNRKSSHSSRSSNNRDSSYSNGAGRSSYDQTYDDFENYGKQQEQCITQCFFNELNMVDQRGYPEQVSIIQFMTRNTHNPELQDLIEEAVIECFHYLDSDVRQNTCYFSENLLTCLIDKGKEVCIQIFQGSQSSGITVIEIFVQFGTPWVINNLNLTNVWTS
2340 B4JYG9 Drosophila grimshawi Odorant binding 244 MRCQLLTICLFLIVLESSAWLPGEESTLDKCLKNYGGMNTALLERLQRYTQWSDSYEEVPCFTQCYLNEMFDIYSDIAGFDEERTKQRFGEAVYNACRDRLQPNQLGYGGKEQSSCERAYAGFHCIASLENDPLILIDNLPNITDAAKSAMKECLQKTDRVLWDRFGDYSRFPVTEPIPCFTHCFIGKLELFDKHKNRWRLPAMRQMLGVPGVGAKVSSCPRRRARNPCAAAYQQFTCFVLAVK
2341 A0A182PJL4 Anopheles epiroticus Odorant binding 245 MVLDCAELMSISPTKLSRIRSGLLVGDDETKCLIRCVGVSAGFWSDRTGLRKDLLAQYFVPHPTDDLNFNRTEACLKELPGSVSNPHDYCDLAFESFLCFYYNFGNLKQDSMFVPLDHLQLQHVTARCVEVHQLTKEQLTSLSEEAMDTNDNVHCLVRCIGLQTGVYSDREGVYLDLIYAQYGEGYCEEEYKRNAFECIKQQRGFAYGTSPSKRAYQLLYKCFENVRNVISAYELHDSVEDLFWA
2342 A0A194R1M4 Papilio machaon Odorant binding 245 MLFNIFLIFGMVVVAHAGIEDNRPILPLQSDLVSLITRKGEICVNETGVSPAIMHNLLPWRVEESEINGKFLLCLAKEMEFHEKDGKLKVDRFIDLFYQSLKSLDVESYKKLFERCNELSGKNAYYTVYKIANCFHTNTPVKMALHVLVKMPSQMVEKVKMVGSECIKQTGAPTNSLANSLPWNLPENETNEKFLFCKDQYDTIYKSVDCFFKNAPVSVNPHLRLRLGSGRHFLELLATTGFPHS
2343 A0A1W4VHD3 Drosophila ficusphila Odorant binding 245 MYLQANFLSLFLLTLSDLLPVAWVKFFILFISNSGKKNARSLTVSLNMSMTRTLVPDPPNGTETKLSQEMLRSCMRKTEISMSQLKLFHMSLMNTDYNSENDVAPPPVQSIGDVNNLGDLDSQMSFLDLKHNEPLQCFVSCLYETLDLDRYNVLLEEAFKNQVQTIIQHEKAEIKECSDLQGKTRCEAAYKLHLCYNHLKTLEAEQRIREILEKTEADGEGFGPDGNDFIDGIQHSGEAVTTKAE
2344 A0A226ERL2 Folsomia candida Odorant binding 245 MAKSRFDLKFVIIIAIIPIINGVPLDLKSIGSNWTTEDVENFKQNAITNLKQLAVFNCTMIFFPIEETIQSLKECSNSLTTGGHGHRRKRDVISEIEAFLGYHPEPIHFFTSTRNRRVRGVPKILTKGVHDESEDPCIGHCVLQKLGMVDAQGTPDKEVLTQKITNFLTHTKGYDAKVGDVPGQAEAIVTSCMTQRKKQLEKLYDGGGNIEVSKCSAATKLGGCLSKDTLKACIARNSGTPGTTK
2345 A0A226F2K4 Folsomia candida Odorant binding 245 MCAKIRQFFSLVAIIILVTSSARAEDEEAGDGDAPPKSCYKYTTDFMKSTTLTLLKCLGEKFKPKDFSEYITRSWCILKCVLKEMGTLTPDGKFDDIASAFYFEENFSSEVQQGLLPNVQGCFGFSEQLNDKDYFCKTYEPFISCLVKALIAQVLPYSINCYVGPGLAIVLDVLKHLAPDPVLQSDANELSRRLRRPKPVLCYNKDCTQFYKIEKSNGTSTFILFDKNMTEVTRQLRKPTTTTSL
2346 A0A2A4JMW8 Heliothis virescens Odorant binding 245 MVSAVVLLTLFPAWVSCAGEGNIKLLEDEVAVALKSCSYPDDIPSSKESVAKDRQRRSDNSYDGSPRIDDNMKQGSRYSHERRNTSDIGDQLQVQVINATSDDYDGYGSGDMGEKLLTSKPRPASATNKANMRNNRTRRSEPLLKPETDQCLSQCVFANLQVVDTRGIPREAELWNKVQSSVTSQQSRSALHDQIRACFQELQSEAEDNGCSYSNKLERCLMLRFADRKVDGKASTQKPASAEKT
2347 A1ZBP9 Drosophila melanogaster Odorant binding 245 MYFRASLMALLCLTLSEFVSKAWVMFFIFYISFTRSLSVSLNMSMTRTLVPDPPNGTENKLSQEMLRACMRRTEISMSQLKLFHMSLMNSDYNNDNDIAPTPVQSIGDVNNLGDLDFNGNSQMPYLDLKHNEPLQCFVSCLYETLDLDRYNVLLEEAFKNQVQTIIQHEKAEIKECSDLQGKTRCEAAYKLHLCYNHLKTLEAEQRIREILERTEAENEGFGPEGSDFIDGIQHSGEAMTTAKSE
2348 Q9VNL2 Drosophila melanogaster Odorant binding 245 MSSPRAVLVSLFLICSQALADLSGDAQTLEKCLRQLSSPESIAGDLRKLERYSSWTREEVPCLMRCLAREKGWFDVEENKWRLKQLTEDLGADVYNYCRFELRRMGSDGCSFAYRGLRCLKQAEMHAGTSLSTLLQCSRQLNATNVELLQYSKLKSKEPIPCLFQCFADAMGFYDPDGNWRLENWKQAFGPSGNEDQSSGADYSGCRLSGTQREVALSKCSWMYHEYKCWERVNGNKLVEDNEEQ
2349 T1HMI0 Rhodinus prolixux Odorant binding 245 MVSLRYFKCLYHWARNTPNHLVRLETGYNHIEVEIVKRMFLWLNKVNNMPDYRLPRICMERLRALDKWPDNKVYYNWFTQLKEKLVVVGMREYMDINNRCAVKRVLGNLIEKFSNHHVSRDVEAAINSRYNSFYRNISTLGLGEQYLEIPNSLSKRRIISQLRKVLGCYAGKMAFVDDTRINWDKVRLAAKKHHENVKEVMDKSLKVLDECEKKSYEGLSHNEASYVVAKCIKDGYVQENIKWFF
2350 A0A0L7LUB6 Operophtera brumata Odorant binding 246 MFSTLPVLLLLLATARCGKDRPVFSEEIQEIIDTIHNECVEKTGTAEEDIQNCEKGIFKEDENLKCYMYCILEEASLVEGDVVDYDMMISLMPDELQDRTRTMLYACKHLNKPENTRCQRAFDVHKCTYEKDPDVFSDEVQEIIDTIHNECVEKTGAAEEDIQNCEKGIFKEDENLKCYMLCVLEESGLVEDGQVDYDMLISLMPDALQDRIRTQLYACKHLNSPDKTMCQGTFDAHKCNYEKDPD
Showing 2326 to 2350 of total 2831 entries