SAXSdb — 7m55

▼

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

Spike glycoprotein stem helix peptide

OrganismNot specified

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 1230–1244	Fragment：residues 1230-1244 of the spike glycoprotein	B6 antigen binding fragment (Fab) heavy chain × 1 B6 antigen binding fragment (Fab) light chain × 1 GOL GLYCEROL × 3	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, HANGING DROP；293 K；0.2 M Magnesium Chloride and 20% (w/v) PEG3350	Resolution 1.40 Å R-free 0.200

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.

Other PDB	Difference from Current Entry 7M55	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
4XAK Crystal structure of potent neutralizing antibody m336 in complex with MERS Co-V RBD Deposited 2014-12-15	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain A 367–601（235 aa） Fragment：Receptor-binding domain (UNP residues 367-601)	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 GOL GLYCEROL × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；20% PEG 2000MME, 100 mM HEPES, pH7.5	Resolution 2.45 Å R-free 0.249
4XAK Crystal structure of potent neutralizing antibody m336 in complex with MERS Co-V RBD Deposited 2014-12-15	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain B 367–601（235 aa） Fragment：Receptor-binding domain (UNP residues 367-601)	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；20% PEG 2000MME, 100 mM HEPES, pH7.5	Resolution 2.45 Å R-free 0.249
4ZPT Structure of MERS-Coronavirus Spike Receptor-binding Domain (England1 Strain) in Complex with Vaccine-Elicited Murine Neutralizing Antibody D12 (Crystal Form 1) Deposited 2015-05-08	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain R 381–588（208 aa） Fragment：receptor-binging domain, UNP residues 381-588	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；0.1 M sodium acetate pH 5.5, 50 mM sodium chloride, 10 % PEG 400, 11 % PEG 8,000	Resolution 2.59 Å R-free 0.244
4ZPT Structure of MERS-Coronavirus Spike Receptor-binding Domain (England1 Strain) in Complex with Vaccine-Elicited Murine Neutralizing Antibody D12 (Crystal Form 1) Deposited 2015-05-08	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain S 381–588（208 aa） Fragment：receptor-binging domain, UNP residues 381-588	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；0.1 M sodium acetate pH 5.5, 50 mM sodium chloride, 10 % PEG 400, 11 % PEG 8,000	Resolution 2.59 Å R-free 0.244
4ZPV Structure of MERS-Coronavirus Spike Receptor-binding Domain (England1 Strain) in Complex with Vaccine-Elicited Murine Neutralizing Antibody D12 (Crystal Form 2) Deposited 2015-05-08	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain R 381–588（208 aa） Fragment：UNP residues 381-588	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；0.1 M sodium cacodylate pH 6.5, 80 mM magnesium acetate, 14.5 % PEG 8,000	Resolution 3.20 Å R-free 0.281
4ZPV Structure of MERS-Coronavirus Spike Receptor-binding Domain (England1 Strain) in Complex with Vaccine-Elicited Murine Neutralizing Antibody D12 (Crystal Form 2) Deposited 2015-05-08	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain S 381–588（208 aa） Fragment：UNP residues 381-588	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；293 K；0.1 M sodium cacodylate pH 6.5, 80 mM magnesium acetate, 14.5 % PEG 8,000	Resolution 3.20 Å R-free 0.281
4ZPW Structure of unbound MERS-CoV spike receptor-binding domain (England1 strain). Deposited 2015-05-08	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain R 381–588（208 aa） Fragment：receptor-binding domain, UNP residues 381-588	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；293 K；0.1 M Tris-HCl pH 8.5, 10 % MPD, 29 % PEG 1,500	Resolution 3.02 Å R-free 0.259
4ZPW Structure of unbound MERS-CoV spike receptor-binding domain (England1 strain). Deposited 2015-05-08	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain S 381–588（208 aa） Fragment：receptor-binding domain, UNP residues 381-588	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 PO4 PHOSPHATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；293 K；0.1 M Tris-HCl pH 8.5, 10 % MPD, 29 % PEG 1,500	Resolution 3.02 Å R-free 0.259
6C6Y Crystal structure of Middle-East Respiratory Syndrome (MERS) coronavirus neutralizing antibody JC57-14 isolated from a vaccinated rhesus macaque in complex with MERS Receptor Binding Domain Deposited 2018-01-19	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain S 381–588（208 aa） Fragment：Receptor Binding Domain residues 381-588	Not recorded	SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 9.5；293 K；90 mM CHES pH 9.5, 18% PEG 8,000	Resolution 3.32 Å R-free 0.267
6C6Y Crystal structure of Middle-East Respiratory Syndrome (MERS) coronavirus neutralizing antibody JC57-14 isolated from a vaccinated rhesus macaque in complex with MERS Receptor Binding Domain Deposited 2018-01-19	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain R 381–588（208 aa） Fragment：Receptor Binding Domain residues 381-588	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 9.5；293 K；90 mM CHES pH 9.5, 18% PEG 8,000	Resolution 3.32 Å R-free 0.267
7X27 MERS-CoV spike complex Deposited 2022-02-25	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric	Chain G 19–1229（1211 aa） Chain I 19–1229（1211 aa） Chain J 19–1229（1211 aa）	Mutation：H1020Q, V1060P, L1061P Mutation：H1020Q, V1060P, L1061P Mutation：H1020Q, V1060P, L1061P	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.2 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.49 Å
8DGV Crystal structure of MERS-CoV spike stem helix peptide in complex with Fab of broadly neutralizing antibody CC99.103 isolated from a vaccinated COVID-19 convalescent Deposited 2022-06-24	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain A 1221–1247（27 aa） Fragment：stem helix domain, residues 1221-1247	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.6；295.15 K；19% (v/v) Isopropanol, 19% (w/v) PEG 4000, 5% (v/v) Glycerol, 0.095 M Sodium citrate pH 5.6	Resolution 2.30 Å R-free 0.249
8DGX Crystal structure of MERS-CoV spike stem helix peptide in complex with Fab of broadly neutralizing antibody CC68.109 isolated from a vaccinated COVID-19 convalescent Deposited 2022-06-24	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain C 1221–1247（27 aa） Fragment：Stem helix domain, residues 1221-1247	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293.15 K；0.17 M Sodium acetate, 25.5% (w/v) PEG 4000, 15% (v/v) Glycerol, 0.085 M Tris pH 8.5	Resolution 2.89 Å R-free 0.280
8DGX Crystal structure of MERS-CoV spike stem helix peptide in complex with Fab of broadly neutralizing antibody CC68.109 isolated from a vaccinated COVID-19 convalescent Deposited 2022-06-24	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain D 1221–1247（27 aa） Fragment：Stem helix domain, residues 1221-1247	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293.15 K；0.17 M Sodium acetate, 25.5% (w/v) PEG 4000, 15% (v/v) Glycerol, 0.085 M Tris pH 8.5	Resolution 2.89 Å R-free 0.280
8XZ6 MERS-CoV S and radixin complex structure Deposited 2024-01-20	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain H 1334–1346（13 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；289 K；0.1 M Tris, pH 8.5, and 6% PEG 8000	Resolution 2.12 Å R-free 0.256
8XZ6 MERS-CoV S and radixin complex structure Deposited 2024-01-20	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain G 1334–1346（13 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；289 K；0.1 M Tris, pH 8.5, and 6% PEG 8000	Resolution 2.12 Å R-free 0.256
8XZ6 MERS-CoV S and radixin complex structure Deposited 2024-01-20	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain E 1334–1346（13 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；289 K；0.1 M Tris, pH 8.5, and 6% PEG 8000	Resolution 2.12 Å R-free 0.256
8XZ6 MERS-CoV S and radixin complex structure Deposited 2024-01-20	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain F 1334–1346（13 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；289 K；0.1 M Tris, pH 8.5, and 6% PEG 8000	Resolution 2.12 Å R-free 0.256
8Z4O MERS-CoV post-fusion S ectodomain trimer Deposited 2024-04-17	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric	Chain A 752–1290（539 aa） Chain B 752–1290（539 aa） Chain C 752–1290（539 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 16	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.79 Å
8Z4T MERS-CoV S ectodomain trimer in complex with receptor DPP4-750E Deposited 2024-04-17	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 19–1224（1206 aa） Chain B 19–1224（1206 aa） Chain C 19–1224（1206 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.93 Å
9IXV Cryo-EM structure of MERS-CoV S1-NTD bound with KNIH-88 Fab Deposited 2024-07-29	Different construct Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain A 1–350（350 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.11 Å

12 other PDB entries and 21 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	SPIKE_MERS1
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–15； UniProt 1230–1244

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	7m55
Deposition date deposition_date	2021-03-22
Structure title title	B6 Fab fragment bound to the MERS-CoV spike stem helix peptide
Keywords keywords	;Broadly neutralizing antibody, Structural genomics, SSGCID, Center for Structural Genomics of Infectious Diseases, CSGID, ANTIVIRAL PROTEIN, Seattle Structural Genomics Center for Infectious Disease, IMMUNE SYSTEM ;; ANTIVIRAL PROTEIN, IMMUNE SYSTEM
Experimental Method method	X-RAY DIFFRACTION

▼

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

Radius of gyration Rg (Guinier) rg_guinier	25.25 Å
Radius of gyration Rg (electron density) rg_electron	24.32 Å
Forward intensity I(0) i0	39944200.00
Molecular weight molecular_weight	48295.0 kDa
Excluded volume excluded_volume	60060 Å³
Envelope volume envelope_volume	71873 Å³
Hydration-shell volume shell_volume	24904 Å³
Envelope diameter envelope_diameter	82.9 Å
Shell Rg shell_rg	31.22 Å
Envelope Rg envelope_rg	24.06 Å
Shape Rg shape_rg	24.32 Å
Total Rg total_rg	25.10 Å
Total atoms total_atoms	3400
Residues n_residues	449
Spherical-harmonic order n_harmonics	20
q range q_range	— – 0.5000 Å⁻¹
Data points n_points	101
Shell type shell_type	directional
Solvent electron density solvent_density	0.3340 e/Å³
Shell contrast contrast_shell	0.0300 e/Å³
CRYSOL version crysol_version	4.1.3

▼

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax	80.7 Å
Rg (real space) rg_real	25.24 Å
Rg uncertainty (real space) rg_real_error	0.52 Å
I(0) (real space) i0_real	3.9940e+07
I(0) uncertainty (real space) i0_real_error	5.6670e+05
Rg (reciprocal space) rg_reciprocal	25.25 Å
I(0) (reciprocal space) i0_reciprocal	39940000.0000
Solution quality estimate total_estimate	0.9050
Solution quality rating solution_quality	EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks	2
Primary peak position r_peak_primary	28.2 Å
Skewness Skewness skewness	0.314
Kurtosis Kurtosis kurtosis	-0.450
Angular range angular_range	— – 0.3150 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	8287000.0000
Real-space data points n_real_points	64
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.933; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.973; Smooth: 0.987

▶

5. Crystallography and Experiment 5. Crystallography & Experiment

▶

6. Entities and Polymers Entities & Polymers (5)

Entity 1 Entity 1 polymer

Description description	Spike glycoprotein stem helix peptide
Molecular weight formula_weight	1834.9 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	4154

DFQDELDEFFKNVST

Entity 2 Entity 2 polymer

Description description	B6 antigen binding fragment (Fab) heavy chain
Molecular weight formula_weight	23348.1 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	H

EVQLQQSGPVLVKPGASVRMSCKASGYTITDYYLNWVKQSHGKSLEWLGVLNPYSGGSLYSQTFKGKATLTVDRSSSTAYLELNSLTSEDSAVYYCARQLGRGNGLDYWGQGTSVTVSSVSTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKRVEPK

来源 Source

来源生物 organism	Mus musculus
NCBI Class编号 ncbi_taxonomy_id	10090
宿主生物 host_organism	Homo sapiens

Entity 3 Entity 3 polymer

Description description	B6 antigen binding fragment (Fab) light chain
Molecular weight formula_weight	24001.7 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	L

NIMMTQSPSSLAVSAGEKVTMSCKSSQSVLHSSDQKNYLAWYQQKPGQSPKLLIYWASTRESGVPDRFTGSGSGTDFTLTISSVQAEDLAVYFCHQYLSSYTFGGGTKLEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC

来源 Source

来源生物 organism	Mus musculus
NCBI Class编号 ncbi_taxonomy_id	10090
宿主生物 host_organism	Homo sapiens

Entity 4 Entity 4 non-polymer

Description description	GLYCEROL
Molecular weight formula_weight	92.1 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	562

▼

7. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id	7m55H01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

Domain ID domain_id	7m55H02
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

Domain ID domain_id	7m55L01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

Domain ID domain_id	7m55L02
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

▶

8. Citations (1)

▶

Unit-cell length a length_a	93.589 Å
Unit-cell length b length_b	60.444 Å
Unit-cell length c length_c	79.710 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	93.75 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	4

Space group space_group	C 1 2 1
Space-group number int_tables_number	5
Crystal system crystal_system	—

Resolution resolution	1.400 Å
Low-resolution limit resolution_low	43.490 Å
R factor r_factor	0.1745
R_work r_work	0.1732
R_free r_free	0.1996

fit	/app/data/saxs_computation/m5/7m55/7m55.fit
pddf	/app/data/pr_computation/m5/7m55/7m55.pr.out
profile	/app/data/saxs_computation/m5/7m55/7m55.dat

B6 Fab fragment bound to the MERS-CoV spike stem helix peptide

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

Spike glycoprotein stem helix peptide

State in the Current Structure

Other States of the Same Protein in the Database

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

2. Structure Basics 2. Structure Basics

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

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

5. Crystallography and Experiment 5. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

6. Entities and Polymers Entities & Polymers (5)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

来源 Source

Entity 3 Entity 3 polymer

Polymer Polymer

来源 Source

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

7. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

8. Citations (1)

9. Files and Curves (10)

Files (7)

Curves (3)