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
2001 A0A1W4UD05 Drosophila ficusphila Odorant binding 176 MARRSQIWLLRLVYLLLLGTVIYPVVLGIQSSQSLALLQAREQCGRKLNPSQRFQLDRMQFEDAPHVRHYLHCFWSRLQLWQDATGFQAHRIVQSFGGERILNVEQALPAINGCNAKTRRRASGSGSGSGSRLVTGLVAGSQAVEEWCFRAFVCVLRTPVGEWYKRHMSDVINGNA
2002 A0A1Y9H242 Anopheles dirus Odorant binding 176 MKSISRHFTIVGPLIPLMVFIYATTAGAQTVTDCVPRAGPESSRSTACDVRLYRVTKGVESDRYVQCALAALGFVDGHGSVQRNVVLAALDAVETHDGVYTDSVDACLSRAKKLSAAERSGAFYSCMLQSESTQNFKDALELRELKVASKWAESEAFDRAKVQQMMRQLNSQLQCE
2003 A0A3G2LEH1 Bactrocera minax Pheromone binding 176 MVLTGIWRCQAFNAFLIVALSSSLTLMHVQAQEPRRDDKWPPPAVLKMAKIFHDICVEKTGVTEEAIKEFSDGQIHEDEALKCYMNCLFHEIDVVDDNGDVHLETLYNTVPGTVRDKLINMARGCEHPEGDTLCHKAWWFHQCWKKADPVIAEVRGGRPATRTPLSSPAALVTPAF
2004 B4KNW4 Drosophila mojavensis Odorant binding 176 MRLGSQSLVITLVSKHTAKAQPKQKPKTNPANMKNTVAILLCALIGLASAAEYKLRTAEDLQKVRKECAEANKVTEALIAKYKTFEYPDDEITRNYIKCIFNKFDLFEDTKGFKVDNLVAQLGQGREDKTQLKADVEKCADKNEQKSPANVWAYRGFKCFLSKNLPLVQAAIQKKN
2005 B4R2Y3 Drosophila simulans Odorant binding 176 MKPSTPVAAIPLMTLVAAVLLQTHCVRGQNQAFDLTKLLPKTGTEPIWAVIDRNLPQVQELVTAARMECIQKLQLPRDQRPLVKVTNPSEKEKCLVECVLKKIKLMDADNKLNVGQVEKLTSLVTQDNKMAIAVSSSMAQACSRGISSKNSCEVAHLFNQCISRQLERNNVKLVW
2006 J3JXC2 Dendroctonus ponderosae Odorant binding 176 MFGFRKIFLVLVLVVFESLALQKNNKCDIPLSAPKRIEEVINTCQDEIKIAILSEALEAFKVNEHKVVSRAKRSAFNEDEKKIAGCLLQCVYRKLNAVNEYGFPTVEGLVSLYTEGVTQKEYVVATRQAVTKCLENAQKTHEISTKTVEASKSCEVAYEVFDCVSLEVAKYCGQTP
2007 Q8I8Q8 Anopheles gambiae Odorant binding 176 MPSRKRLCRLLLLLLLPVDLELISQDADANVFPAYPVLRNSTPFSIFQTHGAYVVRTFADATAYRDECVQQYAGRGSSLIDYMRQVALHTDNADSRWCIVRCILQKADLLDGEGAPHEANVHAQMQHSNAIVEDPDDIRSETSRCLREPPAPDSGGGCLRAYTFFACIQSTEYDLF
2008 Q8I8R3 Anopheles gambiae Odorant binding 176 MDENTPQKRCVSRAVTVGICGAIVLLLLVGTSPAPVEGLRCRTGEGPSADDVKRIVRTCMNKITNAGGGNFSSSSSSSTIERDRACLMQCFFEEMKATNADGFPEKHKVLHVITKDIREHELREFYVDSIQECFHMLGLDNRLKDKCDYSMRFVTCLSDRFETNCDDWESVTSAMF
2009 Q8I8R8 Anopheles gambiae Odorant binding 176 MKIELFTLSAPTVPRPGGPHTEGGRNADNFKLYSSLFVFPSPLQGARLEAEHVRRIHQNARECVKETGILPKNAFRVLSGDFSVDTMKAKCFVKCFLDKAGFIDDDGVIQQDVIREKLTVGIEAGKVNELIKKCSVEGTDACDTAYQMYKCFFSNHKVPKELFQMRKGIGRRNMQQ
2010 Q8K1H9 Mus musculus Odorant binding 176 MKSLLLTILLLGLVAVLKAQEAPPDDLVDYSGIWYAKAMVHNGTLPSHKIPSIVFPVRIIALEEGDLETTVVFWNNGHCREFKFVMKKTEEPGKYTAFHNTKVIHVEKTSVNEHYIFYCEGRHNGTSSFGMGKLMGRDSGENPEAMEEFKNFIKRMNLRLENMFVPEIGDKCVESD
2011 A0A0Q9XA27 Drosophila mojavensis Odorant binding 177 MANAINEVHTIKAISSSKQRTVRINLSKEQLILRVKAIIMKYILLFLNCLILSLACNPKLPAALRDQAARTCLPLGFSNILNYRCFPYCFMNNMGFFINGQISTDTVLLIMAPIAGLEKVKAAQAKCDIERSREKKCDFAVKLSKCYEDNDVIIFDDLSFLYSDLVTSYFKKTNSTK
2012 A0A151JLU5 Trachymyrmex cornetzi Odorant binding 177 SLTSSIPIMSKLKTQPNNSTQLMNICVIEAGMTYEFKEEKFYVDLNNKIFANHPYKTQIDEFLSDCVRKDDMITVQDILHDRYKSENQEKLNKNGCVVQCMFQKDEMMEDAEYKVEKIHTVFIERTNIQPGDKKFERMENCINKTKDLTEKCEKAFLLCVCVLSEHMHDYGYNESAK
2013 A0A182FAV3 Anopheles albimanus Odorant binding 177 MRHSVAFVAMLLLLISCVLLATTDTTTGAPIYPNFLPEQLVQQLRTARTSCLKETGTSDEEIATFNQPEPVPSQPQSQSVSRELQCYMHCMFRAFNVSKPDGHVDLVEAYHTIPKQFNSMALRAFAKCHLRVQGDDPCERAYSHHRCWKETEPAPNIAEHTEPRTMVLLLLLLRESL
2014 A0A182HX68 Anopheles arabiensis Odorant binding 177 MAARSPCEIGLQQQTLDPGPDQQHQHHYQALLQFVTAADNNESVIESCSNAVQGAANDELKVHYRANEFPDDHVTHCFVRCIGLELNLYDDKYGVDLQANWENLGNSDDADEEFVAKHRACLEAKNLETIEDLSPSHSTKHELAFDGEGTRRHDVFEKCLLRRFHQAGLRHWNTAH
2015 A0A1D2M5G6 Orchesella cincta Odorant binding 177 MAYKIVIPFSLGTDSVIAIFPDNLILNCGHIHIVFIRELSYCIKMIASRAQILGILLLGISAVYSQEETSCAGEEVKLDDSQKAVLSECLDKCFGVCLLEKKDLMTPEGKINHEKALKYIEAVMPEKVRKPLIDGVDKCIKEHGDKVKGNDDPTCVTFMDVGQCVHDIFLDVLWIKL
2016 A0A1D6Y6I4 Zeugodacus tau Odorant binding 177 MSNRNAFVALPYMIMLLYCSVRMSMQDRAKNNGDIFVQHKEQRECVAPILVQTNDSISNEGADVLHMCNSSFSIPMGYIVQFNTNGALSETVDKTGMCFLRCYFEKMGLIKAWQLNKDLIMQTMRPIKADSIEFCEPTAQQEVNACVRTYGIAKCLMKRGFDDTCNQTVAQNSFRAY
2017 A0A1I8Q062 Stomoxys calcitrans Odorant binding 177 MAVNNQRGTFPYKLQEFPSNGHSLSEIIKCIPTFWQALLSLTYKIMKHTFVFAFLMVVAIGTVKANFSDDMKALFEACSANFPNFQGDIVKLFKIEMGMEPADDASKCYIKCIMEKEGTFVNGTFNMDEFIKIHKEHPVLKDHLDEVIERAKNCSALKGVNDCDAAYKIGTCLSHRH
2018 A0A1I8Q2Q1 Stomoxys calcitrans Odorant binding 177 MHFVKYPLLAEGGSILIKTKIESDIILNKMTKYLVTLAILCVFGAVIVRGEIDKKAMIADFMAKAEVCKGETGGKDADIADMVARKPASTPEGKCMRSCLMKKYGAMNGDGKLDKVVAREHAEMYTEGDPAKMTIADEVVAACDALAVSGDHCEAAEEYLKCFKEQAKAHGIEDIDF
2019 B4L659 Drosophila mojavensis Odorant binding 177 MHSTLLSLLALASGIWVQCSMAEPQIKGQQLPQFDLTRLFGGRSSVPLVTLLDRNLPEVQQMIDRTKKSCLQKLRMPAVQRSLIREPNPTEQEKCLLECVLKGIQIMDDSTNKLNLRRVEQLTSLVTEDNKVAMALSSSLAQSCNRSVSTQKPCEAAHQLNQCIGRQMERNRVKLHW
2020 A0A034WCQ0 Bactrocera dorsalis Odorant binding 178 YSNLLNAEKKQLNMKSSIICCILATVLLSLCVFNADAGLRKPKKLTPELEAKFEVLTAWIAYRLNLKHAKEACVGEYGFSDELATNLVKIKVANPSDREKCYVNCLYNKLVFYKDDAINKQAMKESLYEIVGEQRLLNIVDGCLNAGGTNACDKVYKFHACASPEFDKVRSDIFLPDE
2021 A0A067QT77 Zootermopsis nevadensis Odorant binding 178 MFRFISIRVALILTVSISSSLGAVTPQQGRCQSPAIAPQRIEKVIADCQDEIKLAILQEALVDLEASTAVLTSRTKRQTFSEDERRIAGCLLQCVYKKVRAVDASGFPTREGLVRLYAEGVQERGYYLATAEASEQCLHKALQSRLRLQPSGKQSCDLAYDLFECISNKLSEYCSGFD
2022 A0A182YH66 Anopheles stephensi Odorant binding 178 MDPIPDDYTRRWAEVTYHVHTRLRFPQQYELRWCSAAMKTLLVSISLFVAAQGAYVVRTFADATRYKDECAKQYSVRGSPLIDYMRQVALHTDDADSRWCIIRCILHKSELLAIEQGDVLHESNVHAQMQYSNAIVEDPDDIRSETSRCLQEPNATHDECLRAYTFFACIQSTEYDLF
2023 A0A226D1Q0 Folsomia candida Odorant binding 178 MVKHFSIVFIASTSLALVVIMICSPSIEADEAPVTQGSKLSLLDCQKIVNLITKKVIKLFHTCSKEVRQNSTKQEFEKKTSCIIRCVLDNVGLLTEEGTCTPDTVQSFLNIHIPDEAHDFAHWATEHCVTDYGSKLDKSQEFCESYGEFVKCLLKLFADFQAFSEAANCKFKTNPMGR
2024 A0A4C1UZB7 Eumeta variegata Odorant binding 178 MSRFVTFWAACLMCALPASVLSLTDEQKAAIHEHFEVIGMKCIKDNTISEEDINNLRARKMPSGENAPCFMACVLREAGVMDDKGKLQKESAMEAAKKVFKEEEELKNIEDYLHSCSHVNDAAVSDGEKGCERAMLALTCMIENSSKITITNEMEELGSKWSWVQNWDEDQHWYRGKD
2025 B4MAK8 Drosophila virilis Odorant binding 178 MSPKMMLYNTLLLLFALIGCSWQQCVQAQAQTPGFDLSRLFGARSNEPLSKLLDRNLPEVQQMIDHTKKSCLKQLQMSSPQRSLIREPRPTEQEKCLVECVLKGIQIMDSSSNKLNLRRVQELTSQVTDDNKLAVTLSCSLAQSCNRAVSAQDPCEAAHQLNQCIGRQMLRNGVKLSW
Showing 2001 to 2025 of total 2831 entries