7z4y

Human NEXT dimer - overall reconstruction of the core complex

Method: ELECTRON MICROSCOPY Dmax: 202.7 Å Quality: REASONABLE

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

Zinc finger CCHC domain-containing protein 8

Homo sapiens

UniProt Q6NZY4

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 41–337 Chain C; UniProt 41–337 Not recorded Exosome RNA helicase MTR4 × 2 (P42285) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE-PROPANE Resolution 4.50 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.

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

View Construct and Data Evidence
UniProt name ZCHC8_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 5–301; UniProt 41–337 Author chain C; PDBConstruct 5–301; UniProt 41–337

Exosome RNA helicase MTR4

Homo sapiens

UniProt P42285

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain B; UniProt 1–1042 Chain D; UniProt 1–1042 Not recorded Zinc finger CCHC domain-containing protein 8 × 2 (Q6NZY4) ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE-PROPANE Resolution 4.50 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.

10 other PDB entries and 11 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MTREX_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 5–1046; UniProt 1–1042 Author chain D; PDBConstruct 5–1046; UniProt 1–1042

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 7z4y

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7z4y
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7z4y
Deposition date deposition_date2022-03-06
Structure title titleHuman NEXT dimer - overall reconstruction of the core complex
Keywords keywordsHELICASE, ATPASE, RNA DEGRADATION, EXOSOME, RNA BINDING PROTEIN; RNA BINDING PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier69.92
Radius of gyration Rg (electron density) rg_electron70.87
Forward intensity I(0) i0797116000.00
Molecular weight molecular_weight238220.0 kDa
Excluded volume excluded_volume299060 ų
Envelope volume envelope_volume537760 ų
Hydration-shell volume shell_volume72347 ų
Envelope diameter envelope_diameter220.8
Shell Rg shell_rg54.79
Envelope Rg envelope_rg67.72
Shape Rg shape_rg70.76
Total Rg total_rg70.82
Total atoms total_atoms16756
Residues n_residues2197
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 dmax202.7
Rg (real space) rg_real70.47
Rg uncertainty (real space) rg_real_error1.40
I(0) (real space) i0_real7.9680e+08
I(0) uncertainty (real space) i0_real_error1.5370e+07
Rg (reciprocal space) rg_reciprocal67.49
I(0) (reciprocal space) i0_reciprocal792500000.0000
Solution quality estimate total_estimate0.7287
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary46.1
Skewness Skewness skewness0.455
Kurtosis Kurtosis kurtosis-0.899
Angular range angular_range— – 0.1100 −1
Current regularization parameter α current_alpha0.0006
Highest regularization parameter α highest_alpha40530000.0000
Real-space data points n_real_points23
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.612; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.636; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

8. Citations (1)

9. Files and Curves (10)