Current Protein Identity：Q99QS1
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Difference tags compare only the current result set; every original PDB and assembly record remains separate.
Related-Structure Differences
Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.
| PDB Entry | Assembly / Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Non-polymers | Experimental Method | Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|---|
| 1YN3 Crystal Structures of EAP Domains from Staphylococcus aureus Reveal an Unexpected Homology to Bacterial Superantigens Deposited 2005-01-23 | Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count |
Chain A
160–254（95 aa）
Fragment：residues 160-254
|
Mutation：V253I | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 6.4；293 K；PEG 8000, ammonium sulfate, MES, pH 6.4, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K
|
Resolution 1.35 Å R-free 0.230 |
| 1YN3 Crystal Structures of EAP Domains from Staphylococcus aureus Reveal an Unexpected Homology to Bacterial Superantigens Deposited 2005-01-23 | Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count |
Chain B
160–254（95 aa）
Fragment：residues 160-254
|
Mutation：V253I | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 6.4；293 K；PEG 8000, ammonium sulfate, MES, pH 6.4, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K
|
Resolution 1.35 Å R-free 0.230 |
| 8D4O Crystal Structure of the Neutrophil Serine Protease Inhibitor Eap1 from S. aureus Deposited 2022-06-02 | Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count |
Chain A
49–145（97 aa）
|
Not recorded | NA SODIUM ION × 2 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；293 K；0.1 M sodium acetate trihydrate,
2.0 M sodium chloride
|
Resolution 1.45 Å R-free 0.197 |
| 8D4O Crystal Structure of the Neutrophil Serine Protease Inhibitor Eap1 from S. aureus Deposited 2022-06-02 | Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count |
Chain B
49–145（97 aa）
|
Not recorded | NA SODIUM ION × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；293 K；0.1 M sodium acetate trihydrate,
2.0 M sodium chloride
|
Resolution 1.45 Å R-free 0.197 |
| 8D4O Crystal Structure of the Neutrophil Serine Protease Inhibitor Eap1 from S. aureus Deposited 2022-06-02 | Assembly 3 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count |
Chain C
49–145（97 aa）
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；293 K；0.1 M sodium acetate trihydrate,
2.0 M sodium chloride
|
Resolution 1.45 Å R-free 0.197 |
| 8D4O Crystal Structure of the Neutrophil Serine Protease Inhibitor Eap1 from S. aureus Deposited 2022-06-02 | Assembly 4 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count |
Chain D
49–145（97 aa）
|
Not recorded | NA SODIUM ION × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；293 K；0.1 M sodium acetate trihydrate,
2.0 M sodium chloride
|
Resolution 1.45 Å R-free 0.197 |
| 8D4Q Crystal Structure of Neutrophil Elastase Inhibited by Eap1 from S. aureus Deposited 2022-06-02 | Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain C
49–145（97 aa）
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 5.2；293 K；0.1M sodium citrate (pH 5.2),
12% (w/v) PEG-6000
|
Resolution 2.20 Å R-free 0.217 |
| 8D4Q Crystal Structure of Neutrophil Elastase Inhibited by Eap1 from S. aureus Deposited 2022-06-02 | Assembly 2 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain D
49–145（97 aa）
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 5.2；293 K；0.1M sodium citrate (pH 5.2),
12% (w/v) PEG-6000
|
Resolution 2.20 Å R-free 0.217 |
| 8D4S Crystal Structure of Cathepsin G Inhibited by Eap1 from S. aureus Deposited 2022-06-02 | Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain B
49–145（97 aa）
|
Not recorded | NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP；pH 5.5；293 K；0.1M BisTris (pH 5.5),
0.2M Magnesium Chloride,
25% (w/v) PEG-3350
|
Resolution 1.95 Å R-free 0.261 |
| 8D4S Crystal Structure of Cathepsin G Inhibited by Eap1 from S. aureus Deposited 2022-06-02 | Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain D
49–145（97 aa）
|
Not recorded | NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP；pH 5.5；293 K；0.1M BisTris (pH 5.5),
0.2M Magnesium Chloride,
25% (w/v) PEG-3350
|
Resolution 1.95 Å R-free 0.261 |
| 8D4S Crystal Structure of Cathepsin G Inhibited by Eap1 from S. aureus Deposited 2022-06-02 | Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain F
49–145（97 aa）
|
Not recorded | NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP；pH 5.5；293 K；0.1M BisTris (pH 5.5),
0.2M Magnesium Chloride,
25% (w/v) PEG-3350
|
Resolution 1.95 Å R-free 0.261 |
| 8D4S Crystal Structure of Cathepsin G Inhibited by Eap1 from S. aureus Deposited 2022-06-02 | Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain H
49–145（97 aa）
|
Not recorded | NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP；pH 5.5；293 K；0.1M BisTris (pH 5.5),
0.2M Magnesium Chloride,
25% (w/v) PEG-3350
|
Resolution 1.95 Å R-free 0.261 |
| 8D4U Crystal Structure of Neutrophil Elastase Inhibited by Eap2 from S. aureus Deposited 2022-06-02 | Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain C
158–254（97 aa）
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；0.1M HEPES (pH 7.5),
0.2M Lithium Sulfate,
25%(w/v) PEG-3350
|
Resolution 1.90 Å R-free 0.230 |
| 8D4U Crystal Structure of Neutrophil Elastase Inhibited by Eap2 from S. aureus Deposited 2022-06-02 | Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain D
158–254（97 aa）
|
Not recorded | NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；0.1M HEPES (pH 7.5),
0.2M Lithium Sulfate,
25%(w/v) PEG-3350
|
Resolution 1.90 Å R-free 0.230 |
| 8D4V Crystal Structure of Cathepsin G Inhibited by Eap2 from S. aureus Deposited 2022-06-02 | Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain B
158–254（97 aa）
|
Not recorded | SO4 SULFATE ION × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；0.1M BisTris (pH 6.5),
0.2M Ammonium Sulfate,
25%(w/v) PEG-3350
|
Resolution 1.85 Å R-free 0.251 |
| 8D4V Crystal Structure of Cathepsin G Inhibited by Eap2 from S. aureus Deposited 2022-06-02 | Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain D
158–254（97 aa）
|
Not recorded | SO4 SULFATE ION × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP；pH 6.5；293 K；0.1M BisTris (pH 6.5),
0.2M Ammonium Sulfate,
25%(w/v) PEG-3350
|
Resolution 1.85 Å R-free 0.251 |
| 8D7I Bifunctional Inhibition of Neutrophil Elastase and Cathepsin G by Eap1 from S. aureus Deposited 2022-06-07 | Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count |
Chain B
49–145（97 aa）
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 6.9；293 K；0.1M BisTris,
0.2M sodium/potassium tartrate,
14% PEG-8000
|
Resolution 3.63 Å R-free 0.217 |
| 8D7I Bifunctional Inhibition of Neutrophil Elastase and Cathepsin G by Eap1 from S. aureus Deposited 2022-06-07 | Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count |
Chain E
49–145（97 aa）
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 6.9；293 K；0.1M BisTris,
0.2M sodium/potassium tartrate,
14% PEG-8000
|
Resolution 3.63 Å R-free 0.217 |
| 8D7I Bifunctional Inhibition of Neutrophil Elastase and Cathepsin G by Eap1 from S. aureus Deposited 2022-06-07 | Assembly 3 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count |
Chain H
49–145（97 aa）
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 6.9；293 K；0.1M BisTris,
0.2M sodium/potassium tartrate,
14% PEG-8000
|
Resolution 3.63 Å R-free 0.217 |
| 8D7I Bifunctional Inhibition of Neutrophil Elastase and Cathepsin G by Eap1 from S. aureus Deposited 2022-06-07 | Assembly 4 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count |
Chain K
49–145（97 aa）
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 6.9；293 K；0.1M BisTris,
0.2M sodium/potassium tartrate,
14% PEG-8000
|
Resolution 3.63 Å R-free 0.217 |
| 8D7I Bifunctional Inhibition of Neutrophil Elastase and Cathepsin G by Eap1 from S. aureus Deposited 2022-06-07 | Assembly 5 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count |
Chain N
49–145（97 aa）
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 6.9；293 K；0.1M BisTris,
0.2M sodium/potassium tartrate,
14% PEG-8000
|
Resolution 3.63 Å R-free 0.217 |
| 8D7I Bifunctional Inhibition of Neutrophil Elastase and Cathepsin G by Eap1 from S. aureus Deposited 2022-06-07 | Assembly 6 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count |
Chain Q
49–145（97 aa）
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 6.9；293 K；0.1M BisTris,
0.2M sodium/potassium tartrate,
14% PEG-8000
|
Resolution 3.63 Å R-free 0.217 |
| 8D7K Bifunctional Inhibition of Neutrophil Elastase and Cathepsin G by Eap2 from S. aureus Deposited 2022-06-07 | Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count |
Chain B
158–254（97 aa）
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 3.6；293 K；0.1M Citric acid,
0.15M Lithium Sulfate,
12% PEG-6000
|
Resolution 3.10 Å R-free 0.258 |
| 8D7K Bifunctional Inhibition of Neutrophil Elastase and Cathepsin G by Eap2 from S. aureus Deposited 2022-06-07 | Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count |
Chain E
158–254（97 aa）
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 3.6；293 K；0.1M Citric acid,
0.15M Lithium Sulfate,
12% PEG-6000
|
Resolution 3.10 Å R-free 0.258 |
| 8D7K Bifunctional Inhibition of Neutrophil Elastase and Cathepsin G by Eap2 from S. aureus Deposited 2022-06-07 | Assembly 3 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count |
Chain H
158–254（97 aa）
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 3.6；293 K；0.1M Citric acid,
0.15M Lithium Sulfate,
12% PEG-6000
|
Resolution 3.10 Å R-free 0.258 |
| 8D7K Bifunctional Inhibition of Neutrophil Elastase and Cathepsin G by Eap2 from S. aureus Deposited 2022-06-07 | Assembly 4 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count |
Chain K
158–254（97 aa）
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；pH 3.6；293 K；0.1M Citric acid,
0.15M Lithium Sulfate,
12% PEG-6000
|
Resolution 3.10 Å R-free 0.258 |
| 9ASS Crystal Structure of Neutrophil Elastase Inhibited by Eap4 from S. aureus Deposited 2024-02-26 | Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain C
372–476（105 aa）
|
Not recorded | SO4 SULFATE ION × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP；293 K；0.01 M zinc sulfate heptahydrate
0.1M MES (pH 6.5)
25% (v/v) peg-550MME
|
Resolution 1.75 Å R-free 0.212 |
| 9ASX BIFUNCTIONAL INHIBITION OF NEUTROPHIL ELASTASE AND CATHEPSIN G by Eap3 of S. aureus Deposited 2024-02-26 | Assembly 1 Other combination Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count |
Chain C
267–363（97 aa）
|
Not recorded | NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；293 K；0.2 M ammonium citrate
0.1 M imidazole (pH 6.8)
22% (w/v) peg-2kMME
|
Resolution 1.96 Å R-free 0.228 |
| 9ATK BIFUNCTIONAL INHIBITION OF NEUTROPHIL ELASTASE AND CATHEPSIN G by Eap4 of S. aureus Deposited 2024-02-27 | Assembly 1 Other combination Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count |
Chain C
372–476（105 aa）
|
Not recorded | NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；293 K；0.1 M sodium citrate (pH 5.5)
12% (w/v) PEG-6K
|
Resolution 2.11 Å R-free 0.233 |
| 9ATK BIFUNCTIONAL INHIBITION OF NEUTROPHIL ELASTASE AND CATHEPSIN G by Eap4 of S. aureus Deposited 2024-02-27 | Assembly 2 Other combination Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count |
Chain F
372–476（105 aa）
|
Not recorded | NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；293 K；0.1 M sodium citrate (pH 5.5)
12% (w/v) PEG-6K
|
Resolution 2.11 Å R-free 0.233 |
| 9ATK BIFUNCTIONAL INHIBITION OF NEUTROPHIL ELASTASE AND CATHEPSIN G by Eap4 of S. aureus Deposited 2024-02-27 | Assembly 3 Other combination Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count |
Chain I
372–476（105 aa）
|
Not recorded | NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；293 K；0.1 M sodium citrate (pH 5.5)
12% (w/v) PEG-6K
|
Resolution 2.11 Å R-free 0.233 |
| 9ATK BIFUNCTIONAL INHIBITION OF NEUTROPHIL ELASTASE AND CATHEPSIN G by Eap4 of S. aureus Deposited 2024-02-27 | Assembly 4 Other combination Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count |
Chain L
372–476（105 aa）
|
Not recorded | NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；293 K；0.1 M sodium citrate (pH 5.5)
12% (w/v) PEG-6K
|
Resolution 2.11 Å R-free 0.233 |
| 9ATU Bifunctional Inhibition of Neutrophil Elastase by Eap4 from S. aureus Deposited 2024-02-27 | Assembly 2 Other combination Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count |
Chain B
372–476（105 aa）
Chain E
372–476（105 aa）
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；293 K；0.2 M ammonium acetate
0.1 M Tris-HCl (pH 8.0)
17% (w/v) PEG-10K
|
Resolution 2.05 Å R-free 0.237 |
| 9ATU Bifunctional Inhibition of Neutrophil Elastase by Eap4 from S. aureus Deposited 2024-02-27 | Assembly 3 Other combination Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count |
Chain B
372–476（105 aa）
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；293 K；0.2 M ammonium acetate
0.1 M Tris-HCl (pH 8.0)
17% (w/v) PEG-10K
|
Resolution 2.05 Å R-free 0.237 |
| 9ATU Bifunctional Inhibition of Neutrophil Elastase by Eap4 from S. aureus Deposited 2024-02-27 | Assembly 4 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain B
372–476（105 aa）
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；293 K；0.2 M ammonium acetate
0.1 M Tris-HCl (pH 8.0)
17% (w/v) PEG-10K
|
Resolution 2.05 Å R-free 0.237 |
| 9ATU Bifunctional Inhibition of Neutrophil Elastase by Eap4 from S. aureus Deposited 2024-02-27 | Assembly 5 Other combination Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count |
Chain E
372–476（105 aa）
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；293 K；0.2 M ammonium acetate
0.1 M Tris-HCl (pH 8.0)
17% (w/v) PEG-10K
|
Resolution 2.05 Å R-free 0.237 |
| 9ATU Bifunctional Inhibition of Neutrophil Elastase by Eap4 from S. aureus Deposited 2024-02-27 | Assembly 6 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain E
372–476（105 aa）
|
Not recorded | No recorded non-water small molecule | X-RAY DIFFRACTION |
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP；293 K；0.2 M ammonium acetate
0.1 M Tris-HCl (pH 8.0)
17% (w/v) PEG-10K
|
Resolution 2.05 Å R-free 0.237 |