+Open data
-Basic information
Entry | Database: EMDB / ID: EMD-24248 | |||||||||
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Title | Partial C. difficile TcdB and CSPG4 fragment | |||||||||
Map data | Partial C. difficile TcdB with CSPG4 (410-560) | |||||||||
Sample |
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Function / homology | Function and homology information Chondroitin sulfate biosynthesis / Defective CHST3 causes SEDCJD / Defective CHST14 causes EDS, musculocontractural type / Defective CHSY1 causes TPBS / Dermatan sulfate biosynthesis / Defective B3GALT6 causes EDSP2 and SEMDJL1 / CS/DS degradation / Defective B4GALT7 causes EDS, progeroid type / Defective B3GAT3 causes JDSSDHD / substrate-dependent cell migration ...Chondroitin sulfate biosynthesis / Defective CHST3 causes SEDCJD / Defective CHST14 causes EDS, musculocontractural type / Defective CHSY1 causes TPBS / Dermatan sulfate biosynthesis / Defective B3GALT6 causes EDSP2 and SEMDJL1 / CS/DS degradation / Defective B4GALT7 causes EDS, progeroid type / Defective B3GAT3 causes JDSSDHD / substrate-dependent cell migration / A tetrasaccharide linker sequence is required for GAG synthesis / glial cell migration / tissue remodeling / ruffle assembly / glucosyltransferase activity / Differentiation of keratinocytes in interfollicular epidermis in mammalian skin / host cell cytosol / Transferases; Glycosyltransferases; Hexosyltransferases / lamellipodium membrane / platelet-derived growth factor receptor signaling pathway / coreceptor activity / cysteine-type peptidase activity / ruffle / lysosomal lumen / host cell endosome membrane / Golgi lumen / positive regulation of peptidyl-tyrosine phosphorylation / toxin activity / angiogenesis / collagen-containing extracellular matrix / positive regulation of MAPK cascade / Hydrolases; Acting on peptide bonds (peptidases); Cysteine endopeptidases / intracellular signal transduction / apical plasma membrane / focal adhesion / lipid binding / protein kinase binding / host cell plasma membrane / cell surface / proteolysis / extracellular exosome / extracellular region / nucleoplasm / membrane / metal ion binding / plasma membrane Similarity search - Function | |||||||||
Biological species | Clostridioides difficile (bacteria) / Homo sapiens (human) | |||||||||
Method | single particle reconstruction / cryo EM / Resolution: 3.4 Å | |||||||||
Authors | Jiang M / Zhang J | |||||||||
Funding support | United States, 2 items
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Citation | Journal: To Be Published Title: Structural Basis for Receptor Recognition of Clostridium difficile Toxin B and its Dissociation upon Acidification Authors: Jiang M / Zhang J | |||||||||
History |
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-Structure visualization
Movie |
Movie viewer |
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Structure viewer | EM map: SurfViewMolmilJmol/JSmol |
Supplemental images |
-Downloads & links
-EMDB archive
Map data | emd_24248.map.gz | 5.7 MB | EMDB map data format | |
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Header (meta data) | emd-24248-v30.xml emd-24248.xml | 13.4 KB 13.4 KB | Display Display | EMDB header |
Images | emd_24248.png | 135.6 KB | ||
Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-24248 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-24248 | HTTPS FTP |
-Validation report
Summary document | emd_24248_validation.pdf.gz | 330.2 KB | Display | EMDB validaton report |
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Full document | emd_24248_full_validation.pdf.gz | 329.7 KB | Display | |
Data in XML | emd_24248_validation.xml.gz | 5.8 KB | Display | |
Data in CIF | emd_24248_validation.cif.gz | 6.6 KB | Display | |
Arichive directory | https://ftp.pdbj.org/pub/emdb/validation_reports/EMD-24248 ftp://ftp.pdbj.org/pub/emdb/validation_reports/EMD-24248 | HTTPS FTP |
-Related structure data
Related structure data | 7n8xMC 7n95C 7n97C 7n9qC 7n9rC 7n9sC 7n9yC M: atomic model generated by this map C: citing same article (ref.) |
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Similar structure data |
-Links
EMDB pages | EMDB (EBI/PDBe) / EMDataResource |
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Related items in Molecule of the Month |
-Map
File | Download / File: emd_24248.map.gz / Format: CCP4 / Size: 22.2 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Annotation | Partial C. difficile TcdB with CSPG4 (410-560) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 1.13 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
CCP4 map header:
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-Supplemental data
-Sample components
-Entire : The complex of TcdB and CSPG4 fragment
Entire | Name: The complex of TcdB and CSPG4 fragment |
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Components |
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-Supramolecule #1: The complex of TcdB and CSPG4 fragment
Supramolecule | Name: The complex of TcdB and CSPG4 fragment / type: complex / ID: 1 / Parent: 0 / Macromolecule list: all |
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Source (natural) | Organism: Clostridioides difficile (bacteria) |
Recombinant expression | Organism: Bacillus megaterium NBRC 15308 = ATCC 14581 (bacteria) |
Molecular weight | Experimental: 250 KDa |
-Supramolecule #2: Ternary structure of C-terminus of CSPG4 domain 1
Supramolecule | Name: Ternary structure of C-terminus of CSPG4 domain 1 / type: organelle_or_cellular_component / ID: 2 / Parent: 1 / Macromolecule list: #1 |
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Source (natural) | Organism: Homo sapiens (human) |
Recombinant expression | Organism: Homo sapiens (human) |
-Supramolecule #3: Ternary structure of Clostridium difficile TcdB
Supramolecule | Name: Ternary structure of Clostridium difficile TcdB / type: organelle_or_cellular_component / ID: 3 / Parent: 1 / Macromolecule list: #2 |
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Source (natural) | Organism: Clostridioides difficile (bacteria) |
Recombinant expression | Organism: Bacillus megaterium NBRC 15308 = ATCC 14581 (bacteria) |
-Macromolecule #1: Chondroitin sulfate proteoglycan 4
Macromolecule | Name: Chondroitin sulfate proteoglycan 4 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO |
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Source (natural) | Organism: Homo sapiens (human) |
Molecular weight | Theoretical: 15.565927 KDa |
Recombinant expression | Organism: Homo sapiens (human) |
Sequence | String: LPEPCVPEPG LPPVFANFTQ LLTISPLVVA EGGTAWLEWR HVQPTLDLME AELRKSQVLF SVTRGARHGE LELDIPGAQA RKMFTLLDV VNRKARFIHD GSEDTSDQLV LEVSVTARVP MPSCLRRGQT YLLPIQVNPV N |
-Macromolecule #2: Toxin B
Macromolecule | Name: Toxin B / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO EC number: Hydrolases; Acting on peptide bonds (peptidases); Cysteine endopeptidases |
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Source (natural) | Organism: Clostridioides difficile (bacteria) |
Molecular weight | Theoretical: 169.479141 KDa |
Recombinant expression | Organism: Bacillus megaterium NBRC 15308 = ATCC 14581 (bacteria) |
Sequence | String: KIAFNSKGII NQGLISVKDS YCSNLIVKQI ENRYKILNNS LNPAISEDND FNTTTNTFID SIMAEANADN GRFMMELGKY LRVGFFPDV KTTINLSGPE AYAAAYQDLL MFKEGSMNIH LIEADLRNFE ISKTNISQST EQEMASLWSF DDARAKAQFE E YKRNYFEG ...String: KIAFNSKGII NQGLISVKDS YCSNLIVKQI ENRYKILNNS LNPAISEDND FNTTTNTFID SIMAEANADN GRFMMELGKY LRVGFFPDV KTTINLSGPE AYAAAYQDLL MFKEGSMNIH LIEADLRNFE ISKTNISQST EQEMASLWSF DDARAKAQFE E YKRNYFEG SLGEDDNLDF SQNIVVDKEY LLEKISSLAR SSERGYIHYI VQLQGDKISY EAACNLFAKT PYDSVLFQKN IE DSEIAYY YNPGDGEIQE IDKYKIPSII SDRPKIKLTF IGHGKDEFNT DIFAGFDVDS LSTEIEAAID LAKEDISPKS IEI NLLGCN MFSYSINVEE TYPGKLLLKV KDKISELMPS ISQDSIIVSA NQYEVRINSE GRRELLDHSG EWINKEESII KDIS SKEYI SFNPKENKIT VKSKNLPELS TLLQEIRNNS NSSDIELEEK VMLTECEINV ISNIDTQIVE ERIEEAKNLT SDSIN YIKD EFKLIESISD ALCDLKQQNE LEDSHFISFE DISETDEGFS IRFINKETGE SIFVETEKTI FSEYANHITE EISKIK GTI FDTVNGKLVK KVNLDTTHEV NTLNAAFFIQ SLIEYNSSKE SLSNLSVAMK VQVYAQLFST GLNTITDAAK VVELVST AL DETIDLLPTL SEGLPIIATI IDGVSLGAAI KELSETSDPL LRQEIEAKIG IMAVNLTTAT TAIITSSLGI ASGFSILL V PLAGISAGIP SLVNNELVLR DKATKVVDYF KHVSLVETEG VFTLLDDKIM MPQDDLVISE IDFNNNSIVL GKCEIWRME GGSGHTVTDD IDHFFSAPSI TYREPHLSIY DVLEVQKEEL DLSKDLMVLP NAPNRVFAWE TGWTPGLRSL ENDGTKLLDR IRDNYEGEF YWRYFAFIAD ALITTLKPRY EDTNIRINLD SNTRSFIVPI ITTEYIREKL SYSFYGSGGT YALSLSQYNM G INIELSES DVWIIDVDNV VRDVTIESDK IKKGDLIEGI LSTLSIEENK IILNSHEINF SGEVNGSNGF VSLTFSILEG IN AIIEVDL LSKSYKLLIS GELKILMLNS NHIQQKIDYI GFNSELQKNI PYSFVDSEGK ENGFINGSTK EGLFVSELPD VVL ISKVYM DDSKPSFGYY SNNLKDVKVI TKDNVNILTG YYLKDDIKIS LSLTLQDEKT IKLNSVHLDE SGVAEILKFM NRKG NTNTS DSLMSFLESM NIKSIFVNFL QSNIKFILDA NFIISGTTSI GQFEFICDEN DNIQPYFIKF NTLETNYTLY VGNRQ NMIV EPNYDLDDSG DISSTVINFS QKYLYGIDSC VNKVVISPNI YTDEINITPV YETNNTYPEV IVLDANYINE KINVNI NDL SIRYVWSNDG NDFILMSTSE ENKVSQVKIR FVNVFKDKTL ANKLSFNFSD KQDVPVSEII LSFTPSYYED GLIGYDL GL VSLYNEKFYI NNFGMMVSGL IYINDSLYYF KPPVNNLITG FVTVGDDKYY FNPINGGAAS I |
-Experimental details
-Structure determination
Method | cryo EM |
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Processing | single particle reconstruction |
Aggregation state | particle |
-Sample preparation
Buffer | pH: 7.5 |
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Grid | Material: COPPER / Pretreatment - Type: GLOW DISCHARGE |
Vitrification | Cryogen name: ETHANE |
-Electron microscopy
Microscope | FEI TITAN KRIOS |
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Image recording | Film or detector model: GATAN K2 SUMMIT (4k x 4k) / Average electron dose: 40.0 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN |
Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD |
Experimental equipment | Model: Titan Krios / Image courtesy: FEI Company |
-Image processing
Startup model | Type of model: OTHER / Details: model prediction |
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Final reconstruction | Resolution.type: BY AUTHOR / Resolution: 3.4 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 470301 |
Initial angle assignment | Type: RANDOM ASSIGNMENT |
Final angle assignment | Type: ANGULAR RECONSTITUTION |
-Atomic model buiding 1
Refinement | Space: REAL / Protocol: FLEXIBLE FIT |
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Output model | PDB-7n8x: |