5l93

An atomic model of HIV-1 CA-SP1 reveals structures regulating assembly and maturation

Method: ELECTRON MICROSCOPY Dmax: 109.2 Å Quality: GOOD

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

Capsid protein p24

Human immunodeficiency virus type 1 group M subtype B (isolate NY5)

UniProt P12493

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 × 18 PDB declaration: octadecameric(18) Consistent with protein copy count Chain A; UniProt 148–371 Chain B; UniProt 148–371 Chain C; UniProt 148–371 Not recorded No other associated polymer ELECTRON MICROSCOPY cryo-EM buffer:pH 8;Virus-like particles were assembled in the presence of nucleic acid (73mer oligonucleotide, 1:10 molar ratio oligonucleotide:protein). cryo-EM vitrification conditions:Cryogen ETHANE;10nM colloidal gold was added to the sample prior to plunge freezing. Resolution 3.90 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.

70 other PDB entries and 88 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name GAG_HV1N5
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–224; UniProt 148–371 Author chain B; PDBConstruct 1–224; UniProt 148–371 Author chain C; PDBConstruct 1–224; UniProt 148–371

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 5l93

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5l93
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5l93
Deposition date deposition_date2016-06-09
Structure title titleAn atomic model of HIV-1 CA-SP1 reveals structures regulating assembly and maturation
Keywords keywordsHIV-1 capsid SP1, viral protein; VIRAL PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier32.58
Radius of gyration Rg (electron density) rg_electron31.86
Forward intensity I(0) i090929200.00
Molecular weight molecular_weight74227.0 kDa
Excluded volume excluded_volume92626 ų
Envelope volume envelope_volume129850 ų
Hydration-shell volume shell_volume35323 ų
Envelope diameter envelope_diameter115.2
Shell Rg shell_rg37.03
Envelope Rg envelope_rg32.00
Shape Rg shape_rg31.86
Total Rg total_rg32.33
Total atoms total_atoms5202
Residues n_residues672
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 dmax109.2
Rg (real space) rg_real32.55
Rg uncertainty (real space) rg_real_error1.08
I(0) (real space) i0_real9.0930e+07
I(0) uncertainty (real space) i0_real_error1.4680e+06
Rg (reciprocal space) rg_reciprocal32.56
I(0) (reciprocal space) i0_reciprocal90930000.0000
Solution quality estimate total_estimate0.8908
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary40.1
Skewness Skewness skewness0.273
Kurtosis Kurtosis kurtosis-0.381
Angular range angular_range— – 0.2450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha9887000.0000
Real-space data points n_real_points50
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.877; Stabil: 0.997; Sysdev: 1.000; Positv: 1.000; Valcen: 0.990; Smooth: 0.964

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

7. Fold Classification (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

Domain ID domain_id5l93A01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology375 — Human Immunodeficiency Virus Type 1 Capsid Protein
Homologous superfamily homologous superfamily10 — Human Immunodeficiency Virus Type 1 Capsid Protein
Domain ID domain_id5l93A02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology1200 — Non-ribosomal Peptide Synthetase Peptidyl Carrier Protein; Chain A
Homologous superfamily homologous superfamily30 — Retrovirus capsid C-terminal domain
Domain ID domain_id5l93B01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology375 — Human Immunodeficiency Virus Type 1 Capsid Protein
Homologous superfamily homologous superfamily10 — Human Immunodeficiency Virus Type 1 Capsid Protein
Domain ID domain_id5l93B02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology1200 — Non-ribosomal Peptide Synthetase Peptidyl Carrier Protein; Chain A
Homologous superfamily homologous superfamily30 — Retrovirus capsid C-terminal domain
Domain ID domain_id5l93C01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology375 — Human Immunodeficiency Virus Type 1 Capsid Protein
Homologous superfamily homologous superfamily10 — Human Immunodeficiency Virus Type 1 Capsid Protein
Domain ID domain_id5l93C02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology1200 — Non-ribosomal Peptide Synthetase Peptidyl Carrier Protein; Chain A
Homologous superfamily homologous superfamily30 — Retrovirus capsid C-terminal domain

8. Citations (1)

9. Files and Curves (10)