structural model of human decay-accelerating factor bound to echovirus 7 from cryo-electron microscopy
by single particle (icosahedral) reconstruction, at 16 A resolution

Entry | |
| Summary | |
| Database / ID | PORTEIN DATA BANK (PDB) / 1m11 |
|---|---|
| Title | structural model of human decay-accelerating factor bound to echovirus 7 from cryo-electron microscopy |
| Descriptor | decay-accelerating factor/coat protein VP1/coat protein VP2/coat protein VP3 |
| Keywords | Virus/Receptor, decay-accelerating factor, SCR, Icosahedral virus, Virus-Receptor COMPLEX |
| Authors | He, Y., Lin, F., Chipman, P.R., Bator, C.M., Baker, T.S., Shoham, M., Kuhn, R.J., Medof, M.E., Rossmann, M.G. |
| Date | Deposition: 2002-06-17, Release: 2002-08-28 |
| PDBj Mine pages | Summary, Structural Details, Experimental Details, Functional Details |
| Other databases | RCSB-PDB, PDBe, CATH, CE, FSSP, SCOP, VAST |
| Structure Visualization | |
| Movies | Movie Page#1: Biological unit as complete icosahedral assembly, Made by Jmol #2: Biological unit as icosahedral pentamer, Made by Jmol #3: Biological unit as icosahedral 23 hexamer, Made by Jmol #4: Depositted structure unit, Made by Jmol |
| Structure viewers | Yorodumi, jV4, Jmol, Biological unit (Images, jV) |
| Related Structure Data | |
| Related Entries | |
| Similar strucutres (beta) |
List of similar structure data about Omokage system |
Article | |
| Citation - primary | |
| Article | Proc. Natl. Acad. Sci. U.S.A., Vol. 99, Issue 16, Page 10325-9, Year 2002 |
|---|---|
| Title | Structure of decay-accelerating factor bound to echovirus 7: a virus-receptor complex. |
| Authors | Yongning He, Feng Lin, Paul R Chipman, Carol M Bator, Timothy S Baker, Menachem Shoham, Richard J Kuhn, M Edward Medof, Michael G Rossmann Department of Biological Sciences, Purdue University, West Lafayette, IN 47907-1392, USA. |
| Keywords | Antigens, CD55 (chemistry), Cryoelectron Microscopy (methods), Enterovirus B, Human (chemistry), Humans, Models, Molecular, Protein Structure, Tertiary, Receptors, Virus (chemistry) |
| Links | PubMed: 12119400, DOI: 10.1073/pnas.152161599, PMC: PMC124913 |
Components | |
| ID 1 : decay-accelerating factor | |
| Image | ![]() ![]() |
|---|---|
| Description | decay-accelerating factor |
| Type | polymer |
| Fragment | four SCR domains 1 to 4 |
| Formula weight | 27017.459 Da |
| Number of molecules | 1 |
| Source | Method: Isolated from a genetically manipulated source Gene: human, Homo, ID:9606, Homo sapiensHost: Pichia, ID:4922, Pichia pastoris |
| Links | UniProt: P08174, Sequence view |
| ID 2 : COAT PROTEIN VP1 | |
| Image | ![]() ![]() |
| Description | COAT PROTEIN VP1 |
| Type | polymer |
| Formula weight | 31682.660 Da |
| Number of molecules | 1 |
| Source | Method: Isolated from a genetically manipulated source Gene: Enterovirus, Human enterovirus B, ID:46018, Human echovirus 7Host: human, Homo, RD, ID:9606, Homo sapiens, muscleDescription: RHABDOMYOSARCOMA CELL (RD); |
| Links | UniProt: Q914E0, Sequence view |
| ID 3 : COAT PROTEIN VP2 | |
| Image | ![]() ![]() |
| Description | COAT PROTEIN VP2 |
| Type | polymer |
| Formula weight | 28443.307 Da |
| Number of molecules | 1 |
| Source | Method: Isolated from a genetically manipulated source Gene: Enterovirus, Human enterovirus B, ID:46018, Human echovirus 7Host: human, Homo, RD, ID:9606, Homo sapiens, muscleDescription: RHABDOMYOSARCOMA CELL (RD); |
| Links | UniProt: Q914E0, Sequence view |
| ID 4 : COAT PROTEIN VP3 | |
| Image | ![]() ![]() |
| Description | COAT PROTEIN VP3 |
| Type | polymer |
| Formula weight | 26264.133 Da |
| Number of molecules | 1 |
| Source | Method: Isolated from a genetically manipulated source Gene: Enterovirus, Human enterovirus B, ID:46018, Human echovirus 7Host: human, Homo, RD, ID:9606, Homo sapiens, muscleDescription: RHABDOMYOSARCOMA CELL (RD) |
| Links | UniProt: Q914E0, Sequence view |
Sample | |
| Assembly | |
| Aggregation state | PARTICLE |
|---|---|
| Details | This structure is modeled based on cryo-EM density at 16A resolution. |
| Name | human decay-accelerating factor, HUMAN ECHOVIRUS 7 COAT PROTEINS |
| Buffer | |
| Name | tris buffer pH7.5 |
| Experiment | |
| Reconstruction method | SINGLE PARTICLE |
| Specimen type | VITREOUS ICE (CRYO EM) |
| Sample preparation | |
| pH | 7.5 |
| Sample concentration | 8.0 mg/ml |
| Vitrification | |
| Details | SAMPLES WERE PREPARED AS THIN LAYERS OF VITREOUS ICE AND MAINTAINED AT NEAR LIQUID NITROGEN TEMPERATURE IN THE ELECTRON MICROSCOPE WITH A GATAN 626 CRYOTRANSFER HOLDER |
Electron Microscopy | |
| Imaging | |
| Microscope | model: FEI/PHILIPS CM300FEG/T |
|---|---|
| Date | 2001-09-10 |
| Electron gun | |
| Electron source | FIELD EMISSION GUN |
| Accelerating voltage | 300 kV |
| Electron dose | 1660 e/A**2 |
| Lens | |
| Mode | BRIGHT FIELD |
| Magnification | nominal: 45000 X |
| Nominal defocus | max: 4200 nm, min: 1800 nm |
| Specimen holder | |
| Temperature | 120 Kelvin |
Processing | |
| 2D projection selection | |
| Software name | EMFIT |
|---|---|
| Single particle entity | |
| Symmetry type | ICOSAHEDRAL |
| 3D reconstruction | |
| CTF correction method | CTF correction of each micrograph |
| Details | The echovirus 7 structure is unknown, the model used here is from coxsackievirus B3 (1COV) and echovirus 1 (1EV1).The DAF receptor model is from 1g40. Only CA coordinates are presented in the entry. |
| Method | PFT |
| Nominal pixel size | 3.11 A/pix |
| Resolution | 16.0 A |
| 3D fitting | |
| Refinement Space | REAL |
| Software name | EMFIT |
| Refine | |
| Ls d res high | 16.0 A |
| ID | 1 |
| Refine hist | |
| D res high | 16.0 |
| Total atoms | 1013 |
| Protein atoms | 1013 |
Download | |||
| PDB format | |||
| All | pdb1m11.ent.gz pdb1m11.ent (uncompressed file) | ||
|---|---|---|---|
| Header only | pdb1m11.ent.gz | ||
| mmCIF format | |||
| mmCIF | 1m11.cif.gz | ||
| XML format | |||
| All | 1m11.xml.gz | ||
| No-atom | 1m11-noatom.xml.gz | ||
| Ext-atom | 1m11-extatom.xml.gz | ||
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