8e20

Cryo-EM structure of the full-length human NF1 dimer

Method: ELECTRON MICROSCOPY Dmax: 236.7 Å Quality: EXCELLENT

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

Isoform I of Neurofibromin

Homo sapiens

UniProt P21359

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–2818 Chain B; UniProt 1–2818 Not recorded No other associated polymer ELECTRON MICROSCOPY cryo-EM buffer:pH 8 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.60 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.

25 other PDB entries and 29 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NF1_HUMAN
Isoform P21359-2
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–2818; UniProt 1–2818 Author chain B; PDBConstruct 1–2818; UniProt 1–2818

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 8e20

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8e20
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id8e20
Deposition date deposition_date2022-08-12
Structure title titleCryo-EM structure of the full-length human NF1 dimer
Keywords keywordsGTPase activating protein, Ras signaling, Cancer, SIGNALING PROTEIN; SIGNALING PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier83.02
Radius of gyration Rg (electron density) rg_electron84.42
Forward intensity I(0) i02563100000.00
Molecular weight molecular_weight412750.0 kDa
Excluded volume excluded_volume507800 ų
Envelope volume envelope_volume1036500 ų
Hydration-shell volume shell_volume109220 ų
Envelope diameter envelope_diameter301.4
Shell Rg shell_rg71.59
Envelope Rg envelope_rg82.00
Shape Rg shape_rg84.45
Total Rg total_rg84.14
Total atoms total_atoms29341
Residues n_residues4515
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 dmax236.7
Rg (real space) rg_real80.20
Rg uncertainty (real space) rg_real_error1.02
I(0) (real space) i0_real2.4650e+09
I(0) uncertainty (real space) i0_real_error4.7370e+07
Rg (reciprocal space) rg_reciprocal79.27
I(0) (reciprocal space) i0_reciprocal2536000000.0000
Solution quality estimate total_estimate0.9033
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary62.3
Skewness Skewness skewness0.406
Kurtosis Kurtosis kurtosis-0.706
Angular range angular_range— – 0.0950 −1
Current regularization parameter α current_alpha1.9010
Highest regularization parameter α highest_alpha158000000.0000
Real-space data points n_real_points20
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.955; Stabil: 0.970; Sysdev: 1.000; Positv: 1.000; Valcen: 0.976; Smooth: 0.003

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

8. Citations (1)

9. Files and Curves (10)