SAXSdb — 4qes

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

Non-haem bromoperoxidase BPO-A2, Matrix protein 1 chimera

Influenza A virus

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Homooligomer	Protein 12	No other associated polymer	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	M1_I34A1
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 287–448； UniProt 3–164 Author chain B； PDBConstruct 287–448； UniProt 3–164 Author chain C； PDBConstruct 287–448； UniProt 3–164

Non-haem bromoperoxidase BPO-A2, Matrix protein 1 chimera

Influenza A virus

UniProt P29715

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Insufficient information	Homooligomer	Protein 12	No other associated polymer	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	BPOA2_STRAU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–278； UniProt 1–278 Author chain B； PDBConstruct 1–278； UniProt 1–278 Author chain C； PDBConstruct 1–278； UniProt 1–278

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	4qes
Deposition date deposition_date	2014-05-18
Structure title title	Structure of a 16 nm protein cage designed by fusing symmetric oligomeric domains, quadruple mutant, I222 form
Keywords keywords	protein design, bionanotechnology, protein assembly, symmetry, biomaterials, OXIDOREDUCTASE, VIRAL PROTEIN; OXIDOREDUCTASE, VIRAL PROTEIN
Experimental Method method	X-RAY DIFFRACTION

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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.

4qes__assembly_1__model_1

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

Download this curve (.dat)

4qes__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

4qes__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	61.78 Å
Rg (electron density)	60.90 Å
Total Rg	60.84 Å
Atom count	40512
Residues	5292
Excluded volume	718830 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`4qes__assembly_1__model_1`	dodecameric （12）	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 (1)

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Unit-cell length a length_a	123.510 Å
Unit-cell length b length_b	165.520 Å
Unit-cell length c length_c	167.670 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	24

Space group space_group	I 2 2 2
Space-group number int_tables_number	23
Crystal system crystal_system	—

Resolution resolution	4.193 Å
Low-resolution limit resolution_low	83.830 Å
R factor r_factor	0.2535
R_work r_work	0.2513
R_free r_free	0.2948

Description description	Non-haem bromoperoxidase BPO-A2, Matrix protein 1 chimera
Molecular weight formula_weight	50189.3 kDa
EC 编号 ec_number	1.11.1.-
Mutation mutation	K118A, L279Q, Q24T, Y51A
Source method src_method	man
Copy count entity_count	3

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C
Atom count atom_count	10128

Structure of a 16 nm protein cage designed by fusing symmetric oligomeric domains, quadruple mutant, I222 form

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

Non-haem bromoperoxidase BPO-A2, Matrix protein 1 chimera

State in the Current Structure

Other States of the Same Protein in the Database

Non-haem bromoperoxidase BPO-A2, Matrix protein 1 chimera

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

4qes__assembly_1__model_1

4qes__assembly_1__model_1 | I(q)

4qes__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 (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

7. Citations (1)

Source organism organism	Influenza A virus
NCBI taxonomy ID ncbi_taxonomy_id	11320
Host organism host_organism	Escherichia coli

Structure of a 16 nm protein cage designed by fusing symmetric oligomeric domains, quadruple mutant, I222 form

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

Non-haem bromoperoxidase BPO-A2, Matrix protein 1 chimera

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Non-haem bromoperoxidase BPO-A2, Matrix protein 1 chimera

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

4qes__assembly_1__model_1

4qes__assembly_1__model_1 | I(q)

4qes__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 (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

7. Citations (1)