2026-07-25_00000215|hard|9SJE

Cryo-EM structure of the open-closed dextran utilisome (BT3087-BT3090), with GHdex D297A E360A catalytic inactivation, with bound IMO4, IMO6, IMO7, and IMO8; Electron microscopy 2.90Å
Protein #1 999 residues (89% resolved)

MEQSIKSKGFEHRLLLIMWGLLLSLSAFAQQITVKGHVVDATGEPVIGASVIEGKSTNGTITDIDGNFSLNVSANSALTISFVGYKTQTVSVNGKTALKVTLQEDTEVLDEVVVVGYGTMKKSDLTGAVSSVGVKDIKDSPVANIGQAMQGKVSGVQIIDAGKPGDNVTIKIRGLGTINNSNPLVVIDGIPTDLGLSSLNMADVERVDVLKDASATAIYGSRGANGVVMITSKRGAEGAGKVTVNANWAIQNATKVPDMLNAAQYAALSNDMLSNNDDNTNPYWADPSSLGKGTNWLDEMLRTGVKQSYSVSYSGGTEKAHYYVSGGFLDQSGIVKSVNYRRFNFQANSDAQVNKWLKFTTNLTFSTDVKEGGTYSIGDAMKALPTQPVKNDDGSWSGPGQEAQWYGSIRNPIGTLHMMTNETKGYNFLANITGEITFTKWLKLKSTFGYDAKFWFADNFTPAYDWKPNPVEESSRYKSDNKSFTYLWDNYFVFDHTFAKKHRVGVMAGSSAQWNNYDYLNAQKNIFMFDNIHEMDNGEKMYSLGGSQSDWALLSLMARLNYSYEDKYLLTATVRRDGSSRFGKNNRWGTFPSVSLAWRVSQEDWFPKDNFLMNDLKLRVGYGVTGNQEIGNYGFVASYNTGVYPFGNNNSTALVSTTLSNPNIHWEEVRQANFGVDMSLFDSRVSLSLDAYIKNTNDMLVKASIPITSGFEDTTETFTNAGKMRNKGVEMTLRTINLKGIFSWESALTATYNKNEILDLNSETPMFINQIGNSYVTMLKAGYPINVFYGYVTDGLFQNWGEVNRHATQPGAAPGDIRFRDLNNDGVINDEDRTILGNPNPNWFFSLSNNLSYKGWELSVFLQGVAGNKIYNANNVDNEGMAAAYNQTTAVLNRWTGEGTSYSMPRAIWGDPNQNCRVSDRFVENGSYLRLKNITLSYTLPKKWLQKIQLENARISFSCENVATITRYSGFDPEVDVNGIDSSRYPISRTFSMGLNFNF

MEQSIKSKGFEHRLLLIMWGLLLSLSAFAQQITVKGHVVDATGEPVIGASVIEGKSTNGTITDIDGNFSLNVSANSALTISFVGYKTQTVSVNGKTALKVTLQEDTEVLDEVVVVGYGTMKKSDLTGAVSSVGVKDIKDSPVANIGQAMQGKVSGVQIIDAGKPGDNVTIKIRGLGTINNSNPLVVIDGIPTDLGLSSLNMADVERVDVLKDASATAIYGSRGANGVVMITSKRGAEGAGKVTVNANWAIQNATKVPDMLNAAQYAALSNDMLSNNDDNTNPYWADPSSLGKGTNWLDEMLRTGVKQSYSVSYSGGTEKAHYYVSGGFLDQSGIVKSVNYRRFNFQANSDAQVNKWLKFTTNLTFSTDVKEGGTYSIGDAMKALPTQPVKNDDGSWSGPGQEAQWYGSIRNPIGTLHMMTNETKGYNFLANITGEITFTKWLKLKSTFGYDAKFWFADNFTPAYDWKPNPVEESSRYKSDNKSFTYLWDNYFVFDHTFAKKHRVGVMAGSSAQWNNYDYLNAQKNIFMFDNIHEMDNGEKMYSLGGSQSDWALLSLMARLNYSYEDKYLLTATVRRDGSSRFGKNNRWGTFPSVSLAWRVSQEDWFPKDNFLMNDLKLRVGYGVTGNQEIGNYGFVASYNTGVYPFGNNNSTALVSTTLSNPNIHWEEVRQANFGVDMSLFDSRVSLSLDAYIKNTNDMLVKASIPITSGFEDTTETFTNAGKMRNKGVEMTLRTINLKGIFSWESALTATYNKNEILDLNSETPMFINQIGNSYVTMLKAGYPINVFYGYVTDGLFQNWGEVNRHATQPGAAPGDIRFRDLNNDGVINDEDRTILGNPNPNWFFSLSNNLSYKGWELSVFLQGVAGNKIYNANNVDNEGMAAAYNQTTAVLNRWTGEGTSYSMPRAIWGDPNQNCRVSDRFVENGSYLRLKNITLSYTLPKKWLQKIQLENARISFSCENVATITRYSGFDPEVDVNGIDSSRYPISRTFSMGLNFNF
Protein #2 506 residues (94% resolved)

MKKKLTFIMILAVLALTSCSDFLDKYPKYGVDPESEVTNEIAVALTTACYKTLQSSNMYNQRLWSLDILAGNSEVGAGGGTDGLETVQAANFIAQSDNGFALYVWRSPWVGIGRCNIVLSNLPSAAISDEIKDRCMGEAYFLRAHYYYILVRLYGGVPLRLQPFEPGQSTDIARNTVDEVYAQILSDCKNAVDMLPPKSSYGENDKGRACKEAAMAMLADIYLTLAPNHRDYYNEVVTLCDQITAMGYDLSQCKYADNFDATINNGAESLFEVQYSGSTEYDFWGGDNQSSWLSTFMGPRNSGMVAGAYGWNLPTEEFIKEYEAGDLRKDVTVLYQGCPAFDGMEYRRSWSNTGYNVRKFLVSKTVSPEYNTNPNNFVVYRYADVLLKKAEALNELGHPDQAAAPLNIVRQRAGLADVPTTLNQETMREKIIHERRMELAFEGHRWFDMIRINNGNYAIEFLKSIGKNQVTKERLLLPIPQTEMDSNNLMTQNPGYAAAAHHHHHH

MKKKLTFIMILAVLALTSCSDFLDKYPKYGVDPESEVTNEIAVALTTACYKTLQSSNMYNQRLWSLDILAGNSEVGAGGGTDGLETVQAANFIAQSDNGFALYVWRSPWVGIGRCNIVLSNLPSAAISDEIKDRCMGEAYFLRAHYYYILVRLYGGVPLRLQPFEPGQSTDIARNTVDEVYAQILSDCKNAVDMLPPKSSYGENDKGRACKEAAMAMLADIYLTLAPNHRDYYNEVVTLCDQITAMGYDLSQCKYADNFDATINNGAESLFEVQYSGSTEYDFWGGDNQSSWLSTFMGPRNSGMVAGAYGWNLPTEEFIKEYEAGDLRKDVTVLYQGCPAFDGMEYRRSWSNTGYNVRKFLVSKTVSPEYNTNPNNFVVYRYADVLLKKAEALNELGHPDQAAAPLNIVRQRAGLADVPTTLNQETMREKIIHERRMELAFEGHRWFDMIRINNGNYAIEFLKSIGKNQVTKERLLLPIPQTEMDSNNLMTQNPGYAAAAHHHHHH
Protein #3 504 residues (27% resolved)

MKKYIYQILCSLFIGGAMVSCAEDYMETDKGHDTLTLTVNQQEIVLNEKNHTQEALTLSWTTGTNYGSGNRISYTLEIAKAGTDFARAYSVDLGTGTYQWTKKTEELNQFLNTQLGVGYAEKVSLEARITATVAGMEEKEQRATVALDVTTYQPVTPTLYLIGEAAPNGWSADQATPMERTDNGQFTWTGKLNTGVFKFITTLGEFLPSYNRDAAAGEELRLIYRTSGDEPDEPFTVSKEATYIVKVDLLDLTMTMTETENIGWRFEEFYIVGSFTGDNGWGFEALSKDAVQMNLFHYGAVIPWKADGDFKFTSVTDFGQSDAFFHPTEGNAPYTSTSVVLGGEDNKWQMKESECGKAYKVLFLTAKGKEKMLMRPFTPYEGLYLVGDATPNGWSIDNATPMAKSADSPYIFTWSGTLNTGEMKISCDKQSDWNGDWLMADKSGKAPTGEVETALFTSKTDAELKNMYPDTDLGSLDNKWNIQEAGSYRITIDQLKETISIVKQ

MKKYIYQILCSLFIGGAMVSCAEDYMETDKGHDTLTLTVNQQEIVLNEKNHTQEALTLSWTTGTNYGSGNRISYTLEIAKAGTDFARAYSVDLGTGTYQWTKKTEELNQFLNTQLGVGYAEKVSLEARITATVAGMEEKEQRATVALDVTTYQPVTPTLYLIGEAAPNGWSADQATPMERTDNGQFTWTGKLNTGVFKFITTLGEFLPSYNRDAAAGEELRLIYRTSGDEPDEPFTVSKEATYIVKVDLLDLTMTMTETENIGWRFEEFYIVGSFTGDNGWGFEALSKDAVQMNLFHYGAVIPWKADGDFKFTSVTDFGQSDAFFHPTEGNAPYTSTSVVLGGEDNKWQMKESECGKAYKVLFLTAKGKEKMLMRPFTPYEGLYLVGDATPNGWSIDNATPMAKSADSPYIFTWSGTLNTGEMKISCDKQSDWNGDWLMADKSGKAPTGEVETALFTSKTDAELKNMYPDTDLGSLDNKWNIQEAGSYRITIDQLKETISIVKQ
Protein #4 592 residues (96% resolved)

MKKIIYLVAAFLCLSCSDDHESNPQNGGASGSVTEVTPVTSDLCVELTTDKAFYKPNETVTFTAADALPAGTKVRYRLLGEIVGEEPVSGTNWTWKAPSTDFKGYMAELYRQENGTDVIVGTIAVDVSSHPARFPRYGFVADFDGVKTEEKTLEEMAYLNRHHINWVQFQDWHNKHHWPLGGTRTQLDEEYLDIANRPVHTSSVKNYIKAQQHFGMKSMFYNLCFGALKDAASDGVKEEWYLFKDASHTTKDSHDLPSGWKSNIYLVDPSDKEWQQYMAERNDDVYANFAFDGYQIAQLGKRGTLYNYNGTPVNLREGYASFIEAMKQAHPDKSLVMNAVSRYGARQIGETGKVDFFYNAMWADEADFTHLKAVLYENGVYGNNQLNTVFAAYMNYNKADHRGEFNTAGILLTDAVMFALGGSHLELGGDHMLCKEYFPNDNLTMSEELKTAMVHYYDFLTSYQNLLRDGGTENSIAMNCTNGEMKLNVWPPKLGSVTTYAKQVDGKQVVHLLNFSQANSLSWRDVDGTMPEPALITKATLQMNLPAKVNKLWVASPDVHGGALQELAFTQENGVVSFTLPALKYWTMIVAE

MKKIIYLVAAFLCLSCSDDHESNPQNGGASGSVTEVTPVTSDLCVELTTDKAFYKPNETVTFTAADALPAGTKVRYRLLGEIVGEEPVSGTNWTWKAPSTDFKGYMAELYRQENGTDVIVGTIAVDVSSHPARFPRYGFVADFDGVKTEEKTLEEMAYLNRHHINWVQFQDWHNKHHWPLGGTRTQLDEEYLDIANRPVHTSSVKNYIKAQQHFGMKSMFYNLCFGALKDAASDGVKEEWYLFKDASHTTKDSHDLPSGWKSNIYLVDPSDKEWQQYMAERNDDVYANFAFDGYQIAQLGKRGTLYNYNGTPVNLREGYASFIEAMKQAHPDKSLVMNAVSRYGARQIGETGKVDFFYNAMWADEADFTHLKAVLYENGVYGNNQLNTVFAAYMNYNKADHRGEFNTAGILLTDAVMFALGGSHLELGGDHMLCKEYFPNDNLTMSEELKTAMVHYYDFLTSYQNLLRDGGTENSIAMNCTNGEMKLNVWPPKLGSVTTYAKQVDGKQVVHLLNFSQANSLSWRDVDGTMPEPALITKATLQMNLPAKVNKLWVASPDVHGGALQELAFTQENGVVSFTLPALKYWTMIVAE
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Reference