8eiq

The complex of phosphorylated human delta F508 cystic fibrosis transmembrane conductance regulator (CFTR) with Trikafta [elexacaftor (VX-445), tezacaftor (VX-661), ivacaftor (VX-770)] and ATP/Mg

Method: ELECTRON MICROSCOPY Dmax: 128.2 Å Quality: GOOD

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

Cystic fibrosis transmembrane conductance regulator

Homo sapiens

UniProt P13569

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 1–1480 Mutation:E1370Q Cystic fibrosis transmembrane conductance regulator × 1 MG MAGNESIUM ION × 2 ATP ADENOSINE-5'-TRIPHOSPHATE × 2 CLR CHOLESTEROL × 1 D12 DODECANE × 1 VX7 N-(2,4-di-tert-butyl-5-hydroxyphenyl)-4-oxo-1,4-dihydroquinoline-3-carboxamide × 1 WJX (6P)-N-(1,3-dimethyl-1H-pyrazole-4-sulfonyl)-6-[3-(3,3,3-trifluoro-2,2-dimethylpropoxy)-1H-pyrazol-1-yl]-2-[(4S)-2,2,4-trimethylpyrrolidin-1-yl]pyridine-3-carboxamide × 1 CV6 Tezacaftor × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.4 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.00 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.

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

View Construct and Data Evidence
UniProt name CFTR_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–1479; UniProt 1–1480

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 8eiq

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8eiq
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8eiq
Deposition date deposition_date2022-09-15
Structure title titleThe complex of phosphorylated human delta F508 cystic fibrosis transmembrane conductance regulator (CFTR) with Trikafta [elexacaftor (VX-445), tezacaftor (VX-661), ivacaftor (VX-770)] and ATP/Mg
Keywords keywordsABC transporter, ion channel, Trikafta, folding correction, membrane protein, ATP-Binding Protein; ATP-Binding Protein
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier37.00
Radius of gyration Rg (electron density) rg_electron37.40
Forward intensity I(0) i0245952000.00
Molecular weight molecular_weight135980.0 kDa
Excluded volume excluded_volume174070 ų
Envelope volume envelope_volume227030 ų
Hydration-shell volume shell_volume51799 ų
Envelope diameter envelope_diameter136.8
Shell Rg shell_rg42.36
Envelope Rg envelope_rg37.35
Shape Rg shape_rg37.40
Total Rg total_rg37.73
Total atoms total_atoms9578
Residues n_residues1178
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 dmax128.2
Rg (real space) rg_real37.26
Rg uncertainty (real space) rg_real_error1.09
I(0) (real space) i0_real2.4600e+08
I(0) uncertainty (real space) i0_real_error4.0080e+06
Rg (reciprocal space) rg_reciprocal37.10
I(0) (reciprocal space) i0_reciprocal245900000.0000
Solution quality estimate total_estimate0.8334
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary38.7
Skewness Skewness skewness0.573
Kurtosis Kurtosis kurtosis-0.116
Angular range angular_range— – 0.2150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha76650000.0000
Real-space data points n_real_points44
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.722; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.875; Smooth: 0.789

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (9)

7. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id8eiqA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases

8. Citations (1)

9. Files and Curves (10)