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Open data
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Basic information
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Title | CCHFV GP38 bound with ADI-58026 and ADI-63547 Fabs | |||||||||
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![]() | CCHFV / GP38 / Antibody / Immunology / VIRAL PROTEIN | |||||||||
Function / homology | ![]() host cell Golgi membrane / clathrin-dependent endocytosis of virus by host cell / host cell endoplasmic reticulum membrane / fusion of virus membrane with host endosome membrane / viral envelope / virion attachment to host cell / virion membrane / membrane Similarity search - Function | |||||||||
Biological species | ![]() ![]() | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 4.9 Å | |||||||||
![]() | Hjorth CK / McLellan JS | |||||||||
Funding support | ![]()
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![]() | ![]() Title: Crimean-Congo hemorrhagic fever survivors elicit protective non-neutralizing antibodies that target 11 overlapping regions on glycoprotein GP38. Authors: Olivia S Shin / Stephanie R Monticelli / Christy K Hjorth / Vladlena Hornet / Michael Doyle / Dafna Abelson / Ana I Kuehne / Albert Wang / Russell R Bakken / Akaash K Mishra / Marissa ...Authors: Olivia S Shin / Stephanie R Monticelli / Christy K Hjorth / Vladlena Hornet / Michael Doyle / Dafna Abelson / Ana I Kuehne / Albert Wang / Russell R Bakken / Akaash K Mishra / Marissa Middlecamp / Elizabeth Champney / Lauran Stuart / Daniel P Maurer / Jiannan Li / Jacob Berrigan / Jennifer Barajas / Stephen Balinandi / Julius J Lutwama / Leslie Lobel / Larry Zeitlin / Laura M Walker / John M Dye / Kartik Chandran / Andrew S Herbert / Noel T Pauli / Jason S McLellan / ![]() ![]() Abstract: Crimean-Congo hemorrhagic fever virus can cause lethal disease in humans yet there are no approved medical countermeasures. Viral glycoprotein GP38, exclusive to Nairoviridae, is a target of ...Crimean-Congo hemorrhagic fever virus can cause lethal disease in humans yet there are no approved medical countermeasures. Viral glycoprotein GP38, exclusive to Nairoviridae, is a target of protective antibodies and is a key antigen in preclinical vaccine candidates. Here, we isolate 188 GP38-specific antibodies from human survivors of infection. Competition experiments show that these antibodies bind across 5 distinct antigenic sites, encompassing 11 overlapping regions. Additionally, we show structures of GP38 bound with 9 of these antibodies targeting different antigenic sites. Although these GP38-specific antibodies are non-neutralizing, several display protective efficacy equal to or better than murine antibody 13G8 in two highly stringent rodent models of infection. Together, these data expand our understanding regarding this important viral protein and may inform the development of broadly effective CCHFV antibody therapeutics. | |||||||||
History |
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Structure visualization
Supplemental images |
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Downloads & links
-EMDB archive
Map data | ![]() | 258.8 MB | ![]() | |
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Header (meta data) | ![]() ![]() | 20.8 KB 20.8 KB | Display Display | ![]() |
FSC (resolution estimation) | ![]() | 13.9 KB | Display | ![]() |
Images | ![]() | 31.8 KB | ||
Filedesc metadata | ![]() | 5.8 KB | ||
Others | ![]() ![]() | 255.2 MB 255.2 MB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Validation report
Summary document | ![]() | 874.2 KB | Display | ![]() |
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Full document | ![]() | 873.8 KB | Display | |
Data in XML | ![]() | 22.9 KB | Display | |
Data in CIF | ![]() | 29.7 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 8vvkC ![]() 8vvlC ![]() 8vwwC C: citing same article ( |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
EMDB pages | ![]() ![]() |
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Map
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Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 0.8332 Å | ||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
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-Supplemental data
-Half map: #1
File | emd_43553_half_map_1.map | ||||||||||||
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Projections & Slices |
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Density Histograms |
-Half map: #2
File | emd_43553_half_map_2.map | ||||||||||||
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Projections & Slices |
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Density Histograms |
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Sample components
-Entire : CCHFV GP38 bound with ADI-58026 Fab and ADI-63547 Fab
Entire | Name: CCHFV GP38 bound with ADI-58026 Fab and ADI-63547 Fab |
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Components |
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-Supramolecule #1: CCHFV GP38 bound with ADI-58026 Fab and ADI-63547 Fab
Supramolecule | Name: CCHFV GP38 bound with ADI-58026 Fab and ADI-63547 Fab / type: complex / ID: 1 / Parent: 0 / Macromolecule list: all |
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-Supramolecule #2: ADI-58026 Fab
Supramolecule | Name: ADI-58026 Fab / type: complex / ID: 2 / Parent: 1 / Macromolecule list: #2-#3 |
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Source (natural) | Organism: ![]() |
-Supramolecule #3: ADI-63547 Fab
Supramolecule | Name: ADI-63547 Fab / type: complex / ID: 3 / Parent: 1 / Macromolecule list: #4-#5 |
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Source (natural) | Organism: ![]() |
-Supramolecule #4: CCHFV GP38
Supramolecule | Name: CCHFV GP38 / type: complex / ID: 4 / Parent: 1 / Macromolecule list: #1 |
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Source (natural) | Organism: ![]() |
-Macromolecule #1: CCHFV GP38
Macromolecule | Name: CCHFV GP38 / type: protein_or_peptide / ID: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Recombinant expression | Organism: ![]() |
Sequence | String: NLKMEIILTL SQGLKKYYGK ILRLLQLTLE EDTEGLLEWC KRNLGLDCDD TFFQKRIEEF FITGEGHFNE VLQFRTPGTL STTESTPAGL PTAEPFKSYF AKGFLSIDSG YYSAKCYSGT SNSGLQLINI TRHSTRIVDT PGPKITNLKT INCINLKASI FKEHREVEIN ...String: NLKMEIILTL SQGLKKYYGK ILRLLQLTLE EDTEGLLEWC KRNLGLDCDD TFFQKRIEEF FITGEGHFNE VLQFRTPGTL STTESTPAGL PTAEPFKSYF AKGFLSIDSG YYSAKCYSGT SNSGLQLINI TRHSTRIVDT PGPKITNLKT INCINLKASI FKEHREVEIN VLLPQVAVNL SNCHVVIKSH VCDYSLDIDG AVRLPHIYHE GVFIPGTYKI VIDKKNKLND RCTLFTDCVI KGREVRKGQS VLRQYKTEIR IGKASTGS UniProtKB: Envelopment polyprotein |
-Macromolecule #2: ADI-58026 Fab Heavy Chain
Macromolecule | Name: ADI-58026 Fab Heavy Chain / type: protein_or_peptide / ID: 2 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Recombinant expression | Organism: ![]() |
Sequence | String: EVQLVESGGG LVQPGGSLRL SCAASGFTVS DNYMSWVRQA PGKGLDWVSA IYSDGTTYHA DSLKGRFTIS RDNSKNTVYL QMNSLKIEDT AVYYCARDLG GSYTDVFDLW GQGTMVTVSS ASTKGPSVFP LAPSSKSTSG GTAALGCLVK DYFPEPVTVS WNSGALTSGV ...String: EVQLVESGGG LVQPGGSLRL SCAASGFTVS DNYMSWVRQA PGKGLDWVSA IYSDGTTYHA DSLKGRFTIS RDNSKNTVYL QMNSLKIEDT AVYYCARDLG GSYTDVFDLW GQGTMVTVSS ASTKGPSVFP LAPSSKSTSG GTAALGCLVK DYFPEPVTVS WNSGALTSGV HTFPAVLQSS GLYSLSSVVT VPSSSLGTQT YICNVNHKPS NTKVDKKVEP KSCDKG |
-Macromolecule #3: ADI-58026 Fab Light Chain
Macromolecule | Name: ADI-58026 Fab Light Chain / type: protein_or_peptide / ID: 3 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Recombinant expression | Organism: ![]() |
Sequence | String: SYVLTQPPSV SVAPGQTAEI TCGGNNIGSK SVHWYQQKPG QAPVLVVYDD SGRPSGIPER FSGSNSGNTA TFTISRVEAG DEADYYCQVW DTHTDHYVFG TGTKVTVLGQ PKAAPSVTLF PPSSEELQAN KATLVCLISD FYPGAVTVAW KADSSPVKAG VETTTPSKQS ...String: SYVLTQPPSV SVAPGQTAEI TCGGNNIGSK SVHWYQQKPG QAPVLVVYDD SGRPSGIPER FSGSNSGNTA TFTISRVEAG DEADYYCQVW DTHTDHYVFG TGTKVTVLGQ PKAAPSVTLF PPSSEELQAN KATLVCLISD FYPGAVTVAW KADSSPVKAG VETTTPSKQS NNKYAASSYL SLTPEQWKSH RSYSCQVTHE GSTVEKTVAP TECS |
-Macromolecule #4: ADI-63547 Fab Heavy Chain
Macromolecule | Name: ADI-63547 Fab Heavy Chain / type: protein_or_peptide / ID: 4 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Recombinant expression | Organism: ![]() |
Sequence | String: QVQLVQSGAE VRKPGSSVKV SCKASGGTFS TYTISWVRQA PGQGLEWMGG IIPVSGTRTY AQRFQGRVTI TADESTSTAY MELSSLRSED TAVYYCARSS STTQLWNFDY WGQGTLVTVS SASTKGPSVF PLAPSSKSTS GGTAALGCLV KDYFPEPVTV SWNSGALTSG ...String: QVQLVQSGAE VRKPGSSVKV SCKASGGTFS TYTISWVRQA PGQGLEWMGG IIPVSGTRTY AQRFQGRVTI TADESTSTAY MELSSLRSED TAVYYCARSS STTQLWNFDY WGQGTLVTVS SASTKGPSVF PLAPSSKSTS GGTAALGCLV KDYFPEPVTV SWNSGALTSG VHTFPAVLQS SGLYSLSSVV TVPSSSLGTQ TYICNVNHKP SNTKVDKKVE PKSCDKG |
-Macromolecule #5: ADI-63547 Fab Light Chain
Macromolecule | Name: ADI-63547 Fab Light Chain / type: protein_or_peptide / ID: 5 / Enantiomer: LEVO |
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Source (natural) | Organism: ![]() |
Recombinant expression | Organism: ![]() |
Sequence | String: DIVMTQSPDS LAVSLGERAT VNCKSSQSLF LSFNNKNYLA WYQQKPGQPP KLLIYWASTR ESVVPDRFSG GGSGTDFTLT ISSLQAEDVA VYYCQQYYST PPTFGGGTKV EIKRTVAAPS VFIFPPSDEQ LKSGTASVVC LLNNFYPREA KVQWKVDNAL QSGNSQESVT ...String: DIVMTQSPDS LAVSLGERAT VNCKSSQSLF LSFNNKNYLA WYQQKPGQPP KLLIYWASTR ESVVPDRFSG GGSGTDFTLT ISSLQAEDVA VYYCQQYYST PPTFGGGTKV EIKRTVAAPS VFIFPPSDEQ LKSGTASVVC LLNNFYPREA KVQWKVDNAL QSGNSQESVT EQDSKDSTYS LSSTLTLSKA DYEKHKVYAC EVTHQGLSSP VTKSFNRGEC |
-Experimental details
-Structure determination
Method | cryo EM |
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![]() | single particle reconstruction |
Aggregation state | particle |
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Sample preparation
Concentration | 0.4 mg/mL |
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Buffer | pH: 8 |
Grid | Model: Quantifoil R1.2/1.3 / Material: COPPER / Mesh: 300 / Support film - Material: CARBON / Support film - topology: HOLEY / Pretreatment - Type: GLOW DISCHARGE |
Vitrification | Cryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 283 K / Instrument: FEI VITROBOT MARK IV |
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Electron microscopy
Microscope | FEI TITAN KRIOS |
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Image recording | Film or detector model: GATAN K3 (6k x 4k) / Number real images: 2504 / Average electron dose: 80.0 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: ![]() |
Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.5 µm / Nominal defocus min: 1.5 µm / Nominal magnification: 105000 |
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |