SAXSdb — 8fi9

▼

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

Spike protein S1

Severe acute respiratory syndrome coronavirus 2

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 3	WRAIR-5001 Fab Light chain × 1 WRAIR-5001 Fab Heavy chain × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 GLYCEROL × 2 water × 1	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 3	WRAIR-5001 Fab Light chain × 1 WRAIR-5001 Fab Heavy chain × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	Consistent with protein count
3	Protein heterocomplex	Heteromer	Protein 3	WRAIR-5001 Fab Light chain × 1 WRAIR-5001 Fab Heavy chain × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 GLYCEROL × 2	Consistent with protein count
4	Protein heterocomplex	Heteromer	Protein 3	WRAIR-5001 Fab Light chain × 1 WRAIR-5001 Fab Heavy chain × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 GLYCEROL × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	SPIKE_SARS2
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–197； UniProt 331–527 Author chain C； PDBConstruct 1–197； UniProt 331–527 Author chain K； PDBConstruct 1–197； UniProt 331–527 Author chain O； PDBConstruct 1–197； UniProt 331–527

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	8fi9
Deposition date deposition_date	2022-12-15
Structure title title	Crystal structure of SARS-CoV-2 receptor binding domain in complex with neutralizing antibody WRAIR-5001
Keywords keywords	viral protein, SARS-CoV-2, coronavirus, immune system, antibody, nonhuman primate, VIRAL PROTEIN-IMMUNE SYSTEM complex; VIRAL PROTEIN/IMMUNE SYSTEM
Experimental Method method	X-RAY DIFFRACTION

▼

3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

8fi9__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

8fi9__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

8fi9__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	30.63 Å
Rg (electron density)	30.30 Å
Total Rg	30.89 Å
Atom count	4894
Residues	635
Excluded volume	86347 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`8fi9__assembly_1__model_1`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`8fi9__assembly_2__model_1`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`8fi9__assembly_3__model_1`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
4	1	`8fi9__assembly_4__model_1`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (6)

Entity 1 Entity 1 polymer

Description description	Spike protein S1
Molecular weight formula_weight	23073.8 kDa
Source method src_method	man
Copy count entity_count	4

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,C,K,O
Atom count atom_count	17945

NITNLCPFGEVFNATRFASVYAWNRKRISNCVADYSVLYNSASFSTFKCYGVSPTKLNDLCFTNVYADSFVIRGDEVRQIAPGQTGKIADYNYKLPDDFTGCVIAWNSNNLDSKVGGNYNYLYRLFRKSNLKPFERDISTEIYQAGSTPCNGVEGFNCYFPLQSYGFQPTNGVGYQPYRVVVLSFELLHAPATVCGPGSHHHHHH

Source Source

Source organism organism	Severe acute respiratory syndrome coronavirus 2
Common name common_name	SARS-CoV-2, 2019-nCoV, COVID-19 virus
NCBI taxonomy ID ncbi_taxonomy_id	2697049
Host organism host_organism	Homo sapiens

Entity 2 Entity 2 polymer

Description description	WRAIR-5001 Fab Light chain
Molecular weight formula_weight	22972.3 kDa
Source method src_method	man
Copy count entity_count	4

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	F,I,L,N

SYELTQPRSVSVSPGQTARITCGGDNIASKNVHWYQQKLAQAPVLVIYYDSDRPSGIPERFSGSNSGNTATLTISGVEAGDEADYYCQVWDSYSGHHVLFGGGTRLTVLGQPKAAPSVTLFPPSSEELQANKATLVCLISDFYPGAVEVAWKADGSAVNAGVETTKPSKQSNNKYAASSYLSLTSDQWKSHKSYSCQVTHEGSTVEKTVAPAECS

Source Source

Source organism organism	Macaca mulatta
NCBI taxonomy ID ncbi_taxonomy_id	9544
Host organism host_organism	Homo sapiens

Entity 3 Entity 3 polymer

Description description	WRAIR-5001 Fab Heavy chain
Molecular weight formula_weight	24118.0 kDa
Source method src_method	man
Copy count entity_count	4

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	G,H,J,Q

QVQLVQSGAEVKKPGASVKLSCKASGYTFTSYSINWVRQAPGQGLEWMGWVNPSNGVTVYAQKFQGRVTMTRDTSTSTAYMELSSLRFEDTAVYYCARERDQLVVYFDHWGQGALVTVSSASTKGPSVFPLAPSSRSTSESTAALGCLVKDYFPEPVTVSWNSGSLTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYVCNVNHKPSNTKVDKRVEIKTC

Source Source

Source organism organism	Macaca mulatta
NCBI taxonomy ID ncbi_taxonomy_id	9544
Host organism host_organism	Homo sapiens

Entity 4 Entity 4 non-polymer

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	221.2 kDa
Source method src_method	nat
Copy count entity_count	4

Entity 5 Entity 5 non-polymer

Description description	GLYCEROL
Molecular weight formula_weight	92.1 kDa
Source method src_method	syn
Copy count entity_count	10

Entity 6 Entity 6 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	4

▶

Unit-cell length a length_a	141.508 Å
Unit-cell length b length_b	115.565 Å
Unit-cell length c length_c	142.167 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	111.97 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

Space group space_group	P 1 21 1
Space-group number int_tables_number	4
Crystal system crystal_system	—

Resolution resolution	4.200 Å
Low-resolution limit resolution_low	19.990 Å
R factor r_factor	0.2543
R_work r_work	0.2521
R_free r_free	0.2958

Crystal structure of SARS-CoV-2 receptor binding domain in complex with neutralizing antibody WRAIR-5001

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

Spike protein S1

State in the Current Structure

Other States of the Same Protein in the Database

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

8fi9__assembly_1__model_1

8fi9__assembly_1__model_1 | I(q)

8fi9__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (6)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 polymer

Polymer Polymer

Source Source

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

7. Citations (1)

Crystal structure of SARS-CoV-2 receptor binding domain in complex with neutralizing antibody WRAIR-5001

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

Spike protein S1

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

8fi9__assembly_1__model_1

8fi9__assembly_1__model_1 | I(q)

8fi9__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (6)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 polymer

Polymer Polymer

Source Source

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

7. Citations (1)