4b4n

CPSF6 defines a conserved capsid interface that modulates HIV-1 replication

Method: X-RAY DIFFRACTION Dmax: 54.5 Å Quality: GOOD

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

GAG PROTEIN

HUMAN IMMUNODEFICIENCY VIRUS 1

UniProt A9PKC6

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 33–178 Fragment:N-TERMINAL DOMAIN, RESIDUES 33-178 CLEAVAGE AND POLYADENYLATION SPECIFICITY FACTOR SUBUNIT 6 × 1 (Q16630) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;290 K;17 DEGREES (SITTING DROPS).PROTEIN/ PEPTIDE SOLUTION (0.37 MM HIV-1 CAN AND 4 MM CPSF6313-327 IN 20 MM HEPES PH 7, 50 MM NACL, 1 MM DTT) WAS MIXED WITH RESERVOIR SOLUTION (20% W/V PEG 3350, 0.2 M POTASSIUM PHOSPHATE DIBASIC) IN A 1:1 MIX. Resolution 1.81 Å R-free 0.273

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.

No other PDB entry for the same UniProt protein was found.

View Construct and Data Evidence
UniProt name A9PKC6_9HIV1
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–146; UniProt 33–178

CLEAVAGE AND POLYADENYLATION SPECIFICITY FACTOR SUBUNIT 6

HOMO SAPIENS

UniProt Q16630

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 313–327 Fragment:RESIDUES 313-327 GAG PROTEIN × 1 (A9PKC6) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;290 K;17 DEGREES (SITTING DROPS).PROTEIN/ PEPTIDE SOLUTION (0.37 MM HIV-1 CAN AND 4 MM CPSF6313-327 IN 20 MM HEPES PH 7, 50 MM NACL, 1 MM DTT) WAS MIXED WITH RESERVOIR SOLUTION (20% W/V PEG 3350, 0.2 M POTASSIUM PHOSPHATE DIBASIC) IN A 1:1 MIX. Resolution 1.81 Å R-free 0.273

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.

13 other PDB entries and 24 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CPSF6_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–15; UniProt 313–327

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 4b4n

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4b4n
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4b4n
Deposition date deposition_date2012-07-31
Structure title titleCPSF6 defines a conserved capsid interface that modulates HIV-1 replication
Keywords keywordsVIRAL PROTEIN-RNA BINDING PROTEIN COMPLEX, HIV-1, CYCLOPHILIN; VIRAL PROTEIN/RNA BINDING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier16.65
Radius of gyration Rg (electron density) rg_electron15.43
Forward intensity I(0) i05314720.00
Molecular weight molecular_weight16742.0 kDa
Excluded volume excluded_volume21058 ų
Envelope volume envelope_volume24137 ų
Hydration-shell volume shell_volume13391 ų
Envelope diameter envelope_diameter54.8
Shell Rg shell_rg21.04
Envelope Rg envelope_rg15.92
Shape Rg shape_rg15.42
Total Rg total_rg16.56
Total atoms total_atoms1178
Residues n_residues151
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 dmax54.5
Rg (real space) rg_real16.58
Rg uncertainty (real space) rg_real_error0.32
I(0) (real space) i0_real5.3150e+06
I(0) uncertainty (real space) i0_real_error6.3460e+04
Rg (reciprocal space) rg_reciprocal16.59
I(0) (reciprocal space) i0_reciprocal5315000.0000
Solution quality estimate total_estimate0.8848
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary19.8
Skewness Skewness skewness0.221
Kurtosis Kurtosis kurtosis-0.364
Angular range angular_range— – 0.4800 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha916000.0000
Real-space data points n_real_points78
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.847; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.959

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd4b4na_
Class classa — All alpha proteins
Fold Fold folda.73 — Retrovirus capsid protein, N-terminal core domain
Superfamily Superfamily superfamilya.73.1 — Retrovirus capsid protein, N-terminal core domain
Family Family familya.73.1.1 — Retrovirus capsid protein, N-terminal core domain

CATH v4.4 (1 domains)

Domain ID domain_id4b4nA00
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

8. Citations (1)

9. Files and Curves (10)