9y7n

HCMV Protease in complex with Fab5 - Class 3

Method: ELECTRON MICROSCOPY Dmax: 95.3 Å Quality: GOOD

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

Assemblin

Cytomegalovirus

UniProt P16753

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 × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 1–256 Mutation:A143V, A209V Fab5 Heavy Chain × 1 Fab5 light chain × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 8;25 mM potassium phosphate, 150 mM potassium chloride, pH 8.0 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 2.69 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 22 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SCAF_HCMVA
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 8–263; UniProt 1–256

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 9y7n

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9y7n
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9y7n
Deposition date deposition_date2025-09-10
Structure title titleHCMV Protease in complex with Fab5 - Class 3
Keywords keywordsCytomegalovirus, protease, antibody, complex, HYDROLASE; HYDROLASE
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier27.65
Radius of gyration Rg (electron density) rg_electron26.51
Forward intensity I(0) i044500200.00
Molecular weight molecular_weight50698.0 kDa
Excluded volume excluded_volume62940 ų
Envelope volume envelope_volume83575 ų
Hydration-shell volume shell_volume26732 ų
Envelope diameter envelope_diameter97.7
Shell Rg shell_rg33.15
Envelope Rg envelope_rg26.58
Shape Rg shape_rg26.52
Total Rg total_rg27.18
Total atoms total_atoms7018
Residues n_residues482
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 dmax95.3
Rg (real space) rg_real27.76
Rg uncertainty (real space) rg_real_error0.74
I(0) (real space) i0_real4.4500e+07
I(0) uncertainty (real space) i0_real_error6.4350e+05
Rg (reciprocal space) rg_reciprocal27.73
I(0) (reciprocal space) i0_reciprocal44500000.0000
Solution quality estimate total_estimate0.8693
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary30.1
Skewness Skewness skewness0.441
Kurtosis Kurtosis kurtosis-0.213
Angular range angular_range— – 0.2850 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha8202000.0000
Real-space data points n_real_points58
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.831; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.916; Smooth: 0.887

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (1)

9. Files and Curves (10)