SAXSdb — 21aq

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

Envelopment polyprotein

Severe fever with thrombocytopenia syndrome virus

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 2	BD70-4008 heavy chain × 1 BD70-4008 light chain × 1 ;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 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	A0A7S9CEK0_SFTS
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain H； PDBConstruct 1–321； UniProt 20–340

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	21aq
Deposition date deposition_date	2025-12-05
Structure title title	Epitope and functional classification of human neutralizing antibodies against SFTSV Gn
Keywords keywords	SFTSV, complex, VIRAL PROTEIN; VIRAL PROTEIN
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.

21aq__assembly_1__model_1

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

Download this curve (.dat)

21aq__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

21aq__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	28.33 Å
Rg (electron density)	28.05 Å
Total Rg	28.73 Å
Atom count	4276
Residues	546
Excluded volume	75399 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`21aq__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 (5)

Entity 1 Entity 1 polymer

Description description	BD70-4008 heavy chain
Molecular weight formula_weight	13227.8 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	4276

EVQLVESGGGLVKPGGSLRLSCAASGFTFSSYSMNWVRQAPGKGLEWVASISGSSAYIYYADSMKGRFTISRDNAKNSVYLQMNSLGVEDTAVYYCARDPASMLGDIGELNHWGRGIRVTVSS

Source Source

Source organism organism	Homo sapiens
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Cricetulus griseus

Entity 2 Entity 2 polymer

Description description	BD70-4008 light chain
Molecular weight formula_weight	11541.7 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

SYVLTQPPSVSVAPGNTARITCGGDNIGSSAVHWYQQKPGQAPVVVLYDDSVRPSRIPERFSGSNSGNTATLSISRVEAGDEADYYCQIWDTITSHRVFGGGTKLTVL

Source Source

Source organism organism	Homo sapiens
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Cricetulus griseus

Entity 3 Entity 3 polymer

Description description	Envelopment polyprotein
Molecular weight formula_weight	35320.9 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	H

DSGPIICAGPIHSNKSAGIPHLLGYSEKICQIDRLIHVSSWLRNHSQFQGYVGQRGGRSQVSYYPAENSYSRWSGLLSPCDADWLGMLVVKKAKESDMIVPGPSYKGKVFFERPTFDGYVGWGCGSGKSRTESGELCSSDSGTSSGLLPSDRVLWIGDVACQPMTPIPEETFLELKSFSQSEFPDICKIDGIVFNQCEGESLPQPFDVAWMDVGHSHKIIMREHKTKWVQESSSKDFVCYKEGTGPCSESEEKACKTSGSCRGDMQFCKVAGCEHGEEASEAKCRCSLVHKPGEVVVSYGGTRVRPKCYGFSRMMATLEVN

Source Source

Source organism organism	Severe fever with thrombocytopenia syndrome virus
NCBI taxonomy ID ncbi_taxonomy_id	1003835
Host organism host_organism	Homo sapiens

Entity 4 Entity 4 branched

Description description	;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ;
Molecular weight formula_weight	1235.1 kDa
Source method src_method	man
Copy count entity_count	1

Entity 5 Entity 5 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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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	2.970 Å
Low-resolution limit resolution_low	— Å
R factor r_factor	—
R_work r_work	—
R_free r_free	—

Resolution resolution	2.97 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	124291

Epitope and functional classification of human neutralizing antibodies against SFTSV Gn

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

Envelopment polyprotein

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

21aq__assembly_1__model_1

21aq__assembly_1__model_1 | I(q)

21aq__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (5)

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

Entity 5 Entity 5 branched

7. Citations (1)

Epitope and functional classification of human neutralizing antibodies against SFTSV Gn

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

Envelopment polyprotein

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

21aq__assembly_1__model_1

21aq__assembly_1__model_1 | I(q)

21aq__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (5)

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

Entity 5 Entity 5 branched

7. Citations (1)