9vlq

herpes simplex virus type 1 helicase-primase structure in complex with ssDNA, ADP and magnesium ion

Method: ELECTRON MICROSCOPY Dmax: 198.9 Å Quality: REASONABLE

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

DNA replication helicase

Human alphaherpesvirus 1 strain 17

UniProt P10189

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–DNA Heteromer Protein × 3 DNA 1 PDB declaration: tetrameric(4) Consistent with all polymer counts Chain A; UniProt 1–882 Not recorded Helicase-primase subunit × 1 (G8HBC1) DNA primase × 1 (P10236) DNA (44-MER) × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 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.

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

View Construct and Data Evidence
UniProt name HELI_HHV11
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 26–907; UniProt 1–882

Helicase-primase subunit

Human alphaherpesvirus 1 strain 17

UniProt G8HBC1

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–DNA Heteromer Protein × 3 DNA 1 PDB declaration: tetrameric(4) Consistent with all polymer counts Chain B; UniProt 1–750 Not recorded DNA replication helicase × 1 (P10189) DNA primase × 1 (P10236) DNA (44-MER) × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 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.

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

View Construct and Data Evidence
UniProt name G8HBC1_HHV11
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 26–775; UniProt 1–750

DNA primase

Human alphaherpesvirus 1 strain 17

UniProt P10236

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–DNA Heteromer Protein × 3 DNA 1 PDB declaration: tetrameric(4) Consistent with all polymer counts Chain C; UniProt 1–1058 Not recorded DNA replication helicase × 1 (P10189) Helicase-primase subunit × 1 (G8HBC1) DNA (44-MER) × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.40 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 17 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PRIM_HHV11
Isoform
PDB entities 3
Chains and sequence ranges Author chain C; PDBConstruct 1–1058; UniProt 1–1058

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 9vlq

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id9vlq
Deposition date deposition_date2025-06-26
Structure title titleherpes simplex virus type 1 helicase-primase structure in complex with ssDNA, ADP and magnesium ion
Keywords keywords;herpes simplex virus type 1, helicase, primase, UL5, UL52, UL8, DNA replication, Helicase superfamily I, SF1, REPLICATION/DNA, REPLICATION-DNA complex ;; REPLICATION/DNA
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier56.58
Radius of gyration Rg (electron density) rg_electron57.03
Forward intensity I(0) i0882032000.00
Molecular weight molecular_weight250070.0 kDa
Excluded volume excluded_volume313740 ų
Envelope volume envelope_volume487020 ų
Hydration-shell volume shell_volume73193 ų
Envelope diameter envelope_diameter195.4
Shell Rg shell_rg57.78
Envelope Rg envelope_rg54.94
Shape Rg shape_rg57.05
Total Rg total_rg56.97
Total atoms total_atoms17638
Residues n_residues2274
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 dmax198.9
Rg (real space) rg_real56.95
Rg uncertainty (real space) rg_real_error2.33
I(0) (real space) i0_real8.8200e+08
I(0) uncertainty (real space) i0_real_error1.7470e+07
Rg (reciprocal space) rg_reciprocal56.24
I(0) (reciprocal space) i0_reciprocal881100000.0000
Solution quality estimate total_estimate0.5587
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary49.7
Skewness Skewness skewness0.417
Kurtosis Kurtosis kurtosis-0.564
Angular range angular_range— – 0.1400 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha65370000.0000
Real-space data points n_real_points29
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.768; Stabil: 1.000; Sysdev: 0.041; Positv: 1.000; Valcen: 0.832; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

8. Citations (1)

9. Files and Curves (10)