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Yorodumi- PDB-2bf1: Structure of an unliganded and fully-glycosylated SIV gp120 envel... -
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Open data
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Basic information
| Entry | Database: PDB / ID: 2bf1 | ||||||||||||
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| Title | Structure of an unliganded and fully-glycosylated SIV gp120 envelope glycoprotein | ||||||||||||
Components | EXTERIOR MEMBRANE GLYCOPROTEIN GP120 | ||||||||||||
Keywords | VIRUS PROTEIN / SIV / GP120 / ENVELOPE GLYCOPROTEIN / AIDS / COAT PROTEIN | ||||||||||||
| Function / homology | Function and homology informationmembrane fusion involved in viral entry into host cell / host cell endosome membrane / viral envelope / symbiont entry into host cell / virion attachment to host cell / host cell plasma membrane / virion membrane / structural molecule activity / membrane Similarity search - Function | ||||||||||||
| Biological species | SIMIAN IMMUNODEFICIENCY VIRUS | ||||||||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MIRAS / Resolution: 4 Å | ||||||||||||
Authors | Chen, B. / Vogan, E.M. / Gong, H. / Skehel, J.J. / Wiley, D.C. / Harrison, S.C. | ||||||||||||
Citation | Journal: Nature / Year: 2005Title: Structure of an Unliganded Simian Immunodeficiency Virus Gp120 Core Authors: Chen, B. / Vogan, E.M. / Gong, H. / Skehel, J.J. / Wiley, D.C. / Harrison, S.C. #1: Journal: Structure / Year: 2005 Title: Determining the Structure of the Unliganded and Fully-Glycosylated Siv Gp120 Envelope Glycoprotein. Authors: Chen, B. / Vogan, E.M. / Gong, H. / Skehel, J.J. / Wiley, D.C. / Harrison, S.C. | ||||||||||||
| History |
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 2bf1.cif.gz | 95.9 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb2bf1.ent.gz | 74.7 KB | Display | PDB format |
| PDBx/mmJSON format | 2bf1.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 2bf1_validation.pdf.gz | 3.2 MB | Display | wwPDB validaton report |
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| Full document | 2bf1_full_validation.pdf.gz | 3.2 MB | Display | |
| Data in XML | 2bf1_validation.xml.gz | 25.2 KB | Display | |
| Data in CIF | 2bf1_validation.cif.gz | 31.5 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/bf/2bf1 ftp://data.pdbj.org/pub/pdb/validation_reports/bf/2bf1 | HTTPS FTP |
-Related structure data
| Similar structure data |
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Links
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Assembly
| Deposited unit | ![]()
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| Unit cell |
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| Details | ALTHOUGH THIS ENTRY DESCRIBES THE MONOMERIC STRUCTURE OFGP120, A THEORETICAL MODEL OF THE TRIMERIC FORM OF THEPROTEIN HAS BEEN GENERATED. THE DETAILS OF THE TRIMER ANDTHE MATRICES RELATING CHAIN A OF THIS ENTRY TO THECONSTITUENTS OF THE TRIMERIC STRUCTURE CAN BE FOUND INREMARK 400 BELOW. |
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Components
-Protein , 1 types, 1 molecules A
| #1: Protein | Mass: 36833.723 Da / Num. of mol.: 1 / Fragment: GP120 CORE, RESIDUES 66-109,209-311,342-502 Source method: isolated from a genetically manipulated source Source: (gene. exp.) SIMIAN IMMUNODEFICIENCY VIRUS / Strain: MAC32H / Plasmid: PSIVGP120CORE / Cell line (production host): High Five / Production host: TRICHOPLUSIA NI (cabbage looper) / References: UniProt: Q07374 |
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-Sugars , 8 types, 13 molecules 
| #2: Polysaccharide | Source method: isolated from a genetically manipulated source #3: Polysaccharide | Source method: isolated from a genetically manipulated source #4: Polysaccharide | Source method: isolated from a genetically manipulated source #5: Polysaccharide | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | Source method: isolated from a genetically manipulated source #6: Polysaccharide | alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D- ...alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | Source method: isolated from a genetically manipulated source #7: Polysaccharide | alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2- ...alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | Source method: isolated from a genetically manipulated source #8: Polysaccharide | alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1- ...alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | Source method: isolated from a genetically manipulated source #9: Sugar | |
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-Details
| Compound details | GP120 IS PRODUCED FROM A PRECURSOR PROTEIN, GP160. THE PRECURSOR ASSEMBLES INTO A TRIMER, WHICH ...GP120 IS PRODUCED FROM A PRECURSOR PROTEIN, GP160. THE PRECURSOR ASSEMBLES INTO A TRIMER, WHICH REMAINS INTACT AFTER CLEAVAGE OF GP160 TO GP120 AND GP41. A THEORETICA |
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| Has protein modification | Y |
| Sequence details | IN THE EXPRESSION CONSTRUCT, SHORT LINKERS, GAG HAVE BEEN SUBSTITUTED FOR THE V1V2 AND V3 LOOPS. ...IN THE EXPRESSION |
-Experimental details
-Experiment
| Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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Sample preparation
| Crystal | Density Matthews: 3.98 Å3/Da / Density % sol: 68.8 % |
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| Crystal grow | Temperature: 293 K / pH: 5 Details: PROTEIN WAS CRYSTALLIZED FROM 15% PEG 6000, 100 MM SODIUM CITRATE, PH 5.0 AND 8% PEG 400 AT 20 DEGREES C. |
-Data collection
| Diffraction | Mean temperature: 100 K |
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| Diffraction source | Source: SYNCHROTRON / Site: CHESS / Beamline: F1 / Wavelength: 0.916 |
| Detector | Type: ADSC CCD / Detector: CCD / Date: Oct 7, 2002 / Details: RH-COATED SI MIRROR |
| Radiation | Monochromator: BENT TRIANGULAR ASYMMETRIC CUT SI(111) MONOCHROMATER Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 0.916 Å / Relative weight: 1 |
| Reflection | Resolution: 4→26 Å / Num. obs: 100402 / % possible obs: 98 % / Observed criterion σ(I): 0 / Redundancy: 4.5 % / Biso Wilson estimate: 141.1 Å2 / Rmerge(I) obs: 0.08 / Net I/σ(I): 12 |
| Reflection shell | Resolution: 4→4.09 Å / Redundancy: 4 % / Rmerge(I) obs: 0.82 / Mean I/σ(I) obs: 1.3 / % possible all: 94.3 |
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Processing
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| Refinement | Method to determine structure: MIRAS / Resolution: 4→26 Å / Cor.coef. Fo:Fc: 0.809 / Cor.coef. Fo:Fc free: 0.857 / SU B: 269.262 / SU ML: 1.697 / Cross valid method: THROUGHOUT / ESU R Free: 1.153 Stereochemistry target values: MAXIMUM LIKELIHOODWITH PHASES Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. PLEASE NOTE THAT BECAUSE OF THE LOW RESOLUTION OF THE EXPERIMENTAL DATA USED TO DETERMINE THIS STRUCTURE, THE PRECISION OF THE MODEL, ...Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. PLEASE NOTE THAT BECAUSE OF THE LOW RESOLUTION OF THE EXPERIMENTAL DATA USED TO DETERMINE THIS STRUCTURE, THE PRECISION OF THE MODEL, PARTICULARLY WITH RESPECT TO SIDE CHAIN POSITIONS, IS REDUCED.
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| Solvent computation | Ion probe radii: 3 Å / Shrinkage radii: 2.8 Å / VDW probe radii: 3 Å / Solvent model: MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | Biso mean: 128.8 Å2
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| Refinement step | Cycle: LAST / Resolution: 4→26 Å
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| Refine LS restraints |
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SIMIAN IMMUNODEFICIENCY VIRUS
X-RAY DIFFRACTION
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TRICHOPLUSIA NI (cabbage looper)