3dnl

Molecular structure for the HIV-1 gp120 trimer in the b12-bound state

Method: ELECTRON MICROSCOPY Dmax: 133.9 Å Quality: REASONABLE

1. Protein Identity and Related Structures Protein Identity & Related Structures

HIV-1 envelope glycoprotein gp120

HIV-1 M:B_HXB2R

UniProt P04578

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein homooligomer Homooligomer Protein × 9 PDB declaration: nonameric(9) Consistent with protein copy count Chain A; UniProt 90–124 Chain B; UniProt 198–297 Chain B; UniProt 330–396 Chain C; UniProt 410–492 Chain D; UniProt 90–124 Chain E; UniProt 198–297 Chain E; UniProt 330–396 Chain F; UniProt 410–492 Chain G; UniProt 90–124 Chain H; UniProt 198–297 Chain H; UniProt 330–396 Chain I; UniProt 410–492 Fragment:Core: Residues 90-124 Fragment:Core: Residues 198-396 Fragment:Core: Residues 410-492 No other associated polymer ELECTRON MICROSCOPY cryo-EM buffer:0.01 M Tris-HCl, 0.1 M NaCl, 1 mM EDTA;pH 7.2;0.01 M Tris-HCl, 0.1 M NaCl, 1 mM EDTA cryo-EM vitrification conditions:Cryogen ETHANE;Ethane 77K 100%RH Vitrobot Resolution 20.00 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

38 other PDB entries and 49 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ENV_HV1H2
Isoform
PDB entities 1, 2, 3
Chains and sequence ranges Author chain A; PDBConstruct 1–35; UniProt 90–124 Author chain D; PDBConstruct 1–35; UniProt 90–124 Author chain G; PDBConstruct 1–35; UniProt 90–124 Author chain B; PDBConstruct 1–100; UniProt 198–297 Author chain B; PDBConstruct 104–170; UniProt 330–396 Author chain E; PDBConstruct 1–100; UniProt 198–297 Author chain E; PDBConstruct 104–170; UniProt 330–396 Author chain H; PDBConstruct 1–100; UniProt 198–297 Author chain H; PDBConstruct 104–170; UniProt 330–396 Author chain C; PDBConstruct 1–83; UniProt 410–492 Author chain F; PDBConstruct 1–83; UniProt 410–492 Author chain I; PDBConstruct 1–83; UniProt 410–492

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 3dnl

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3dnl
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3dnl
Deposition date deposition_date2008-07-02
Structure title titleMolecular structure for the HIV-1 gp120 trimer in the b12-bound state
Keywords keywords;HIV-1, ENVELOPE GLYCOPROTEIN, IMMUNODEFICIENCY VIRUS, gp120, AIDS, Apoptosis, Cleavage on pair of basic residues, Coiled coil, Envelope protein, Fusion protein, Host-virus interaction, Lipoprotein, Membrane, Palmitate, Viral immunoevasion, Virion, VIRAL PROTEIN ;; VIRAL PROTEIN
Experimental Method methodELECTRON MICROSCOPY

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier47.33
Radius of gyration Rg (electron density) rg_electron46.50
Forward intensity I(0) i0141793000.00
Molecular weight molecular_weight96191.0 kDa
Excluded volume excluded_volume119680 ų
Envelope volume envelope_volume184610 ų
Hydration-shell volume shell_volume33755 ų
Envelope diameter envelope_diameter134.8
Shell Rg shell_rg51.21
Envelope Rg envelope_rg43.32
Shape Rg shape_rg46.55
Total Rg total_rg46.56
Total atoms total_atoms6738
Residues n_residues864
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax133.9
Rg (real space) rg_real47.09
Rg uncertainty (real space) rg_real_error1.09
I(0) (real space) i0_real1.4180e+08
I(0) uncertainty (real space) i0_real_error2.7950e+06
Rg (reciprocal space) rg_reciprocal47.33
I(0) (reciprocal space) i0_reciprocal141800000.0000
Solution quality estimate total_estimate0.6712
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary77.1
Skewness Skewness skewness-0.257
Kurtosis Kurtosis kurtosis-1.085
Angular range angular_range— – 0.1650 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6598000.0000
Real-space data points n_real_points34
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.174; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.867; Smooth: 0.331

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (1)

9. Files and Curves (10)