8edf

Bovine Fab SKD in complex with Sars COV-2 receptor binding domain

Method: X-RAY DIFFRACTION Dmax: 148.3 Å Quality: REASONABLE

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

SKD Fab Light chain

Bos taurus

UniProt P0DOY2

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 L; UniProt 16–106 Not recorded SKD Fab heavy chain × 1 (P0DOX5) Spike protein S1 × 1 (P0DTC2) NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 4.2;293.15 K;0.4M Lithium chloride, 10% Peg6000, 0.1M sodium citrate Resolution 3.40 Å R-free 0.299

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 9 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name IGLC2_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain L; PDBConstruct 126–216; UniProt 16–106

SKD Fab heavy chain

Homo sapiens

UniProt P0DOX5

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 H; UniProt 114–222 Not recorded SKD Fab Light chain × 1 (P0DOY2) Spike protein S1 × 1 (P0DTC2) NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 4.2;293.15 K;0.4M Lithium chloride, 10% Peg6000, 0.1M sodium citrate Resolution 3.40 Å R-free 0.299

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.

105 other PDB entries and 128 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name IGG1_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain H; PDBConstruct 164–272; UniProt 114–222

Spike protein S1

Severe acute respiratory syndrome coronavirus 2

UniProt P0DTC2

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 334–527 Not recorded SKD Fab Light chain × 1 (P0DOY2) SKD Fab heavy chain × 1 (P0DOX5) NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 4.2;293.15 K;0.4M Lithium chloride, 10% Peg6000, 0.1M sodium citrate Resolution 3.40 Å R-free 0.299

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.

2152 other PDB entries and 2473 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SPIKE_SARS2
Isoform
PDB entities 3
Chains and sequence ranges Author chain A; PDBConstruct 1–194; UniProt 334–527

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 8edf

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id8edf
Deposition date deposition_date2022-09-04
Structure title titleBovine Fab SKD in complex with Sars COV-2 receptor binding domain
Keywords keywordsantibody, SARS Cov-2, IMMUNE SYSTEM; IMMUNE SYSTEM
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier43.60
Radius of gyration Rg (electron density) rg_electron45.22
Forward intensity I(0) i082567000.00
Molecular weight molecular_weight71799.0 kDa
Excluded volume excluded_volume89073 ų
Envelope volume envelope_volume130080 ų
Hydration-shell volume shell_volume28162 ų
Envelope diameter envelope_diameter157.0
Shell Rg shell_rg40.69
Envelope Rg envelope_rg44.63
Shape Rg shape_rg45.22
Total Rg total_rg44.96
Total atoms total_atoms9914
Residues n_residues663
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 dmax148.3
Rg (real space) rg_real44.50
Rg uncertainty (real space) rg_real_error1.79
I(0) (real space) i0_real8.2570e+07
I(0) uncertainty (real space) i0_real_error1.4420e+06
Rg (reciprocal space) rg_reciprocal43.60
I(0) (reciprocal space) i0_reciprocal82480000.0000
Solution quality estimate total_estimate0.6356
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary28.8
Skewness Skewness skewness0.602
Kurtosis Kurtosis kurtosis-0.602
Angular range angular_range— – 0.1800 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3797000.0000
Real-space data points n_real_points37
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.340; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.132; Smooth: 0.109

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)