2024-10-30 REL RCSB RCSB RCSB 2022-10-03 2023-08-30 2023-08-30 2024-10-30 National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID) United States Structure of the C3bB proconvertase in complex with lufaxin and factor Xa Andersen JF Lei H Complement, Alternative pathway, inhibitor, sand fly, IMMUNE SYSTEM Andersen JF Lei H Strayer EC Kanai T Pham V Pan XZ Alvarenga PH Gerber GF Asojo OA Francischetti IMB Brodsky RA Valenzuela JG Ribeiro JMC A bispecific inhibitor of complement and coagulation blocks activation in complementopathy models via a novel mechanism. Blood US 141 3109 3121 2023 36947859 doi:10.1182/blood.2022019359 1528-0020 8eok FULLOVERLAP The C3 proconvertase from the alternative pathway of complement in complex with lufaxin, a complement/coagulation inhibitor and coagulation factor Xa The C3 proconvertase from the alternative pathway of complement in complex with lufaxin, a complement/coagulation inhibitor and coagulation factor Xa 0 1 2 3 5 6 Homo sapiens 0.3483 Complement C3 beta chain Homo sapiens 0.07139332000000001 1 LEVO SPMYSIITPNILRLESEETMVLEAHDAQGDVPVTVTVHDFPGKKLVLSSEKTVLTPATNHMGNVTFTIPANREFKSEKGR NKFVTVQATFGTQVVEKVVLVSLQSGYLFIQTDKTIYTPGSTVLYRIFTVNHKLLPVGRTVMVNIENPEGIPVKQDSLSS QNQLGVLPLSWDIPELVNMGQWKIRAYYENSPQQVFSTEFEVKEYVLPSFEVIVEPTEKFYYIYNEKGLEVTITARFLYG KKVEGTAFVIFGIQDGEQRISLPESLKRIPIEDGSGEVVLSRKVLLDGVQNPRAEDLVGKSLYVSATVILHSGSDMVQAE RSGIPIVTSPYQIHFTKTPKYFKPGMPFDLMVFVTNPDGSPAYRVPVAVQGEDTVQSLTQGDGVAKLSINTHPSQKPLSI TVRTKKQELSEAEQATRTMQALPYSTVGNSNNYLHLSVLRTELRPGETLNVNFLLRMDRAHEAKIRYYTYLIMNKGRLLK AGRQVREPGQDLVVLPLSITTDFIPSFRLVAYYTLIGASGQREVVADSVWVDVKDSCVGSLVVKSGQSEDRQPVPGQQMT LKIEGDHGARVVLVAVDKGVFVLNKKNKLTQSKIWDVVEKADIGCTPGSGKDYAGVFSDAGLTFTSSSGQQTAQRAELQC PQPAA P01024 Complement C3b alpha' chain Homo sapiens 0.104073164 1 LEVO SNLDEDIIAEENIVSRSEFPESWLWNVEDLKEPPKNGISTKLMNIFLKDSITTWEILAVSMSDKKGICVADPFEVTVMQD FFIDLRLPYSVVRNEQVEIRAVLYNYRQNQELKVRVELLHNPAFCSLATTKRRHQQTVTIPPKSSLSVPYVIVPLKTGLQ EVEVKAAVYHHFISDGVRKSLKVVPEGIRMNKTVAVRTLDPERLGREGVQKEDIPPADLSDQVPDTESETRILLQGTPVA QMTEDAVDAERLKHLIVTPSGCGEQNMIGMTPTVIAVHYLDETEQWEKFGLEKRQGALELIKKGYTQQLAFRQPSSAFAA FVKRAPSTWLTAYVVKVFSLAVNLIAIDSQVLCGAVKWLILEKQKPDGVFQEDAPVIHQEMIGGLRNNNEKDMALTAFVL ISLQEAKDICEEQVNSLPGSITKAGDFLEANYMNLQRSYTVAIAGYALAQMGRLKGPLLNKFLTTAKDKNRWEDPGKQLY NVEATSYALLALLQLKDFDFVPPVVRWLNEQRYYGGGYGSTQATFMVFQALAQYQKDAPDHQELNLDVSLQLPSRSSKIT HRIHWESASLLRSEETKENEGFTVTAEGKGQGTLSVVTMYHAKAKDQLTCNKFDLKVTIKPAPETEKRPQDAKNTMILEI CTRYRGDQDATMSILDISMMTGFAPDTDDLKQLANGVDRYISKYELDKAFSDRNTLIIYLDKVSHSEDDCLAFKVHQYFN VELIQPGAVKVYAYYNLEESCTRFYHPEKEDGKLNKLCRDELCRCAEENCFIQKSDDKVTLEERLDKACEPGVDYVYKTR LVKVQLSNDFDEYIMAIEQTIKSGSDEVQVGQQRTFISPIKCREALKLEEKKHYLMWGLSSDFWGEKPNLSYIIGKDTWV EHWPEEDECQDEENQKQCQDLGAFTESMVVFGCPN P01024 Complement factor B Homo sapiens 0.085510617 1 LEVO GSNLSPQLCLMPFILGLLSGGVTTTPWSLARPQGSCSLEGVEIKGGSFRLLQEGQALEYVCPSGFYPYPVQTRTCRSTGS WSTLKTQDQKTVRKAECRAIHCPRPHDFENGEYWPRSPYYNVSDEISFHCYDGYTLRGSANRTCQVNGRWSGQTAICDNG AGYCSNPGIPIGTRKVGSQYRLEDSVTYHCSRGLTLRGSQRRTCQEGGSWSGTEPSCQDSFMYDTPQEVAEAFLSSLTET IEGVDAEDGHGPGEQQKRKIVLDPSGSMNIYLVLDGSDSIGASNFTGAKKCLVNLIEKVASYGVKPRYGLVTYATYPKIW VKVSEADSSNADWVTKQLNEINYEDHKLKSGTNTKKALQAVYSMMSWPDDVPPEGWNRTRHVIILMTDGLHNMGGDPITV IDEIRDLLYIGKDRKNPREDYLDVYVFGVGPLVNQVNINALASKKDNEQHVFKVKDMENLEDVFYQMIDESQSLSLCGMV WEHRKGTDYHKQPWQAKISVIRPSKGHESCMGAVVSEYFVLTAAHCFTVDDKEHSIKVSVGGEKRDLEIEVVLFHPNYNI NGKKEAGIPEFYDYDVALIKLKNKLKYGQTIRPICLPCTEGTTRALRLPPTTTCQQQKEELLPAQDIKALFVSEEEKKLT RKEVYIKNGDKKGSCERDAQYAPGYDKVKDISEVVTPRFLCTGGVSPYADPNTCRGDSGGPLIVHKRSRFIQVGVISWGV VDVCKNQKRQKQVPAHARDFHINLFQVLPWLKEKLQDEDLGFL P00751 3.4.21.47 Lufaxin Lutzomyia longipalpis 0.033354586 1 Homo sapiens LEVO DGDEYFIGKYKEKDETLFFASYGLKRDPCQIVLGYKCSNNQTHFVLNFKTNKKSCISAIKLTSYPKINQNSDLTRNLYCQ TGGIGTDNCKLVFKKRKRQIAANIEIYGIPAKKCSFKDRYIGADPLHVDSYGLSYQFDQEHGWNLERNNIFKDTRFSTEV FYHKNGLFNTQITYLAEEDSFSEAREITAKDIKKKFSIILPNEEYKRISFLDVYWFQETMRKKPKYPYIHYNGECSNENK TCELVFDTDELMTYALVKVFTNPESDGSRLKEEDLGRGHHHHHH Q5WPU8 Factor X light chain Homo sapiens 0.015210792999999998 1 LEVO EEMKKGHLERECMEETCSYEEAREVFEDSDKTNEFWNKYKDGDQCETSPCQNQGKCKDGLGEYTCTCLEGFEGKNCELFT RKLCSLDNGDCDQFCHEEQNSVVCSCARGYTLADNGKACIPTGPYPCGKQTLER P00742 Activated factor Xa heavy chain Homo sapiens 0.028550596 1 LEVO IVGGQECKDGECPWQALLINEENEGFCGGTILSEFYILTAAHCLYQAKRFKVRVGDRNTEQEEGGEAVHEVEVVIKHNRF TKETYDFDIAVLRLKTPITFRMNVAPACLPERDWAESTLMTQKTGIVSGFGRTHEKGRQSTRLKMLEVPYVDRNSCKLSS SFIITQNMFCAGYDTKQEDACQGDSGGPHVTRFKDTYFVTGIVSWGEGCARKGKYGIYTKVTAFLKWIDRSMKTRGLPKA KSHAPEVITSSPLK P00742 MAGNESIUM ION 2.4305e-05 1 MG 2-acetamido-2-deoxy-beta-D-glucopyranose 0.000221208 2 NAG singleParticle particle 1.5 7.5 10.0 C8H18N2O4S HEPES 150.0 NaCl Sodium Chloride 5.0 MgCl2 Magnesium Chloride C-flat-1.2/1.3 GOLD CARBON HOLEY GLOW DISCHARGE ETHANE
The sample was monodisperse
 TFS GLACIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 200 0.3 2.2 45000.0 GATAN K3 (6k x 4k) 58.31 1 713201 3.53 FSC 0.143 CUT-OFF RELION 4.0.0 248281 ANGULAR RECONSTITUTION RELION 4.0.0 ANGULAR RECONSTITUTION RELION 4.0.0 emd_28378.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 300 300 300 0 0 0 300 300 300 276.0 276.0 276.0 90.0 90.0 90.0 X Y Z -0.03867553 0.078063436 0.000025522824 0.0023968962 0.92 0.92 0.92 0.00963 AUTHOR emd_28378_half_map_2.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 300 300 300 0 0 0 300 300 300 276.0 276.0 276.0 90.0 90.0 90.0 X Y Z -0.010320974 0.029852493 0.000025864272 0.0018425648 0.92 0.92 0.92 AUTHOR half map 2 emd_28378_half_map_1.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 300 300 300 0 0 0 300 300 300 276.0 276.0 276.0 90.0 90.0 90.0 X Y Z -0.011222974 0.03104891 0.000025181378 0.0018438766 0.92 0.92 0.92 AUTHOR half map 1