9ybm

2.62A cryo-EM structure of RNA-directed RNA polymerase L of Crimean-Congo hemorrhagic fever virus (Apo state)

Method: ELECTRON MICROSCOPY Dmax: 120.7 Å Quality: EXCELLENT

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

RNA-directed RNA polymerase L

Crimean-Congo hemorrhagic fever virus

UniProt Q6TQR6

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 1–3945 Not recorded ZN ZINC ION × 2 ELECTRON MICROSCOPY cryo-EM buffer:pH 8 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.62 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.

17 other PDB entries and 26 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name L_CCHFI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–3945; UniProt 1–3945

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 9ybm

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9ybm
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9ybm
Deposition date deposition_date2025-09-17
Structure title title2.62A cryo-EM structure of RNA-directed RNA polymerase L of Crimean-Congo hemorrhagic fever virus (Apo state)
Keywords keywords;Crimean-Congo hemorrhagic fever virus, L protein, RNA-dependent RNA polymerase, PA-like, PB1-like, PB2-like, viral replication, VIRAL PROTEIN, TRANSFERASE ;; TRANSFERASE
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier38.34
Radius of gyration Rg (electron density) rg_electron37.29
Forward intensity I(0) i0448860000.00
Molecular weight molecular_weight173280.0 kDa
Excluded volume excluded_volume217580 ų
Envelope volume envelope_volume294600 ų
Hydration-shell volume shell_volume63132 ų
Envelope diameter envelope_diameter126.8
Shell Rg shell_rg45.57
Envelope Rg envelope_rg36.89
Shape Rg shape_rg37.27
Total Rg total_rg37.90
Total atoms total_atoms12134
Residues n_residues1518
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 dmax120.7
Rg (real space) rg_real38.12
Rg uncertainty (real space) rg_real_error1.01
I(0) (real space) i0_real4.4890e+08
I(0) uncertainty (real space) i0_real_error7.4110e+06
Rg (reciprocal space) rg_reciprocal38.26
I(0) (reciprocal space) i0_reciprocal448900000.0000
Solution quality estimate total_estimate0.9030
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary50.1
Skewness Skewness skewness0.119
Kurtosis Kurtosis kurtosis-0.570
Angular range angular_range— – 0.2050 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha93990000.0000
Real-space data points n_real_points42
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.931; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.988; Smooth: 0.953

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

8. Citations (1)

9. Files and Curves (10)