SAXSdb — 8dpz

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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	Other combination	Heteromer	Protein 3 其他Polymer 1	DH1338 Fab Heavy Chain × 1 DH1338 Fab Light Chain × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1	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 B； PDBConstruct 1–205； UniProt 326–530

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.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	8dpz
Deposition date deposition_date	2022-07-18
Structure title title	Local refinement of SARS-CoV-2 vaccine induced antibody DH1338 bound to SARS-CoV-2 HexaPro RBD Spike ectodomain
Keywords keywords	SARS-CoV-2, VIRAL PROTEIN, Antibody, Fab, RBD, VIRAL PROTEIN-Immune System complex; VIRAL PROTEIN/Immune System
Experimental Method method	ELECTRON MICROSCOPY

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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.

8dpz__assembly_1__model_1

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

Download this curve (.dat)

8dpz__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

8dpz__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	24.70 Å
Rg (electron density)	23.95 Å
Total Rg	24.99 Å
Atom count	3326
Residues	420
Excluded volume	58815 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`8dpz__assembly_1__model_1`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download

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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Description description	Spike protein S1
Molecular weight formula_weight	23060.0 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B
Atom count atom_count	3326

IVRFPNITNLCPFGEVFNATRFASVYAWNRKRISNCVADYSVLYNSASFSTFKCYGVSPTKLNDLCFTNVYADSFVIRGDEVRQIAPGQTGKIADYNYKLPDDFTGCVIAWNSNNLDSKVGGNYNYLYRLFRKSNLKPFERDISTEIYQAGSTPCNGVEGFNCYFPLQSYGFQPTNGVGYQPYRVVVLSFELLHAPATVCGPKKS

Source Source

Source organism organism	Severe acute respiratory syndrome coronavirus 2
NCBI taxonomy ID ncbi_taxonomy_id	2697049
Host organism host_organism	Homo sapiens

Entity 2 Entity 2 polymer

Description description	DH1338 Fab Heavy Chain
Molecular weight formula_weight	13910.4 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	F

QLQLQESGPGLVKPSETLSLTCAVSGGSISRKNWSWIRQPPGKGLGWIGRISGSGGSTDYNPSLKSRVTISTDTSKNQFSLKLSSVTAADTAVYYCARVAYYEDDYGYYYTEGAFDFWGQGLRVTVSS

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	DH1338 Fab Light Chain
Molecular weight formula_weight	11864.1 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	G

EIVMTQSPATLSLSPGERATLSCRTSQSVSSYVAWYQQKPEQTPRLLIYDASSRATGIPDRFSGGGSGTDFTLTISSLEPEDFAVYYCQQYSNWPWTFGQGTKVEIK

Source Source

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

Entity 4 Entity 4 branched

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	424.4 kDa
Source method src_method	man
Copy count entity_count	1

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6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id	8dpzF01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

Domain ID domain_id	8dpzG01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

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Unit-cell length a length_a	1.000 Å
Unit-cell length b length_b	1.000 Å
Unit-cell length c length_c	1.000 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	—

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

Resolution resolution	3.38 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	1103016

Local refinement of SARS-CoV-2 vaccine induced antibody DH1338 bound to SARS-CoV-2 HexaPro RBD Spike ectodomain

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

8dpz__assembly_1__model_1

8dpz__assembly_1__model_1 | I(q)

8dpz__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (4)

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 branched

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)

Local refinement of SARS-CoV-2 vaccine induced antibody DH1338 bound to SARS-CoV-2 HexaPro RBD Spike ectodomain

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

8dpz__assembly_1__model_1

8dpz__assembly_1__model_1 | I(q)

8dpz__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (4)

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 branched

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)