SAXSdb — 7t13

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

Capsid protein p24

HIV-1 group M

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 6	No other associated polymer	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	B6DRA0_9HIV1
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–231； UniProt 133–363 Author chain B； PDBConstruct 1–231； UniProt 133–363 Author chain C； PDBConstruct 1–231； UniProt 133–363 Author chain D； PDBConstruct 1–231； UniProt 133–363 Author chain E； PDBConstruct 1–231； UniProt 133–363 Author chain F； PDBConstruct 1–231； UniProt 133–363

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	7t13
Deposition date deposition_date	2021-12-01
Structure title title	Hexameric HIV-1 (M-group) CA Q50Y mutant
Keywords keywords	Capsid, VIRAL PROTEIN; 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.

7t13__assembly_1__model_1

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

Download this curve (.dat)

7t13__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

7t13__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	36.13 Å
Rg (electron density)	35.18 Å
Total Rg	35.65 Å
Atom count	9873
Residues	1281
Excluded volume	175950 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`7t13__assembly_1__model_1`	hexameric （6）	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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6. Fold Classification (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

Domain ID domain_id	7t13A01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	375 — Human Immunodeficiency Virus Type 1 Capsid Protein
Homologous superfamily homologous superfamily	10 — Human Immunodeficiency Virus Type 1 Capsid Protein

Domain ID domain_id	7t13B01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	375 — Human Immunodeficiency Virus Type 1 Capsid Protein
Homologous superfamily homologous superfamily	10 — Human Immunodeficiency Virus Type 1 Capsid Protein

Domain ID domain_id	7t13C01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	375 — Human Immunodeficiency Virus Type 1 Capsid Protein
Homologous superfamily homologous superfamily	10 — Human Immunodeficiency Virus Type 1 Capsid Protein

Domain ID domain_id	7t13D01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	375 — Human Immunodeficiency Virus Type 1 Capsid Protein
Homologous superfamily homologous superfamily	10 — Human Immunodeficiency Virus Type 1 Capsid Protein

Domain ID domain_id	7t13E01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	375 — Human Immunodeficiency Virus Type 1 Capsid Protein
Homologous superfamily homologous superfamily	10 — Human Immunodeficiency Virus Type 1 Capsid Protein

Domain ID domain_id	7t13F01
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	375 — Human Immunodeficiency Virus Type 1 Capsid Protein
Homologous superfamily homologous superfamily	10 — Human Immunodeficiency Virus Type 1 Capsid Protein

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Unit-cell length a length_a	90.289 Å
Unit-cell length b length_b	156.609 Å
Unit-cell length c length_c	118.890 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	107.33 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	24

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

Resolution resolution	3.150 Å
Low-resolution limit resolution_low	78.300 Å
R factor r_factor	0.2062
R_work r_work	0.2046
R_free r_free	0.2390

Description description	Capsid protein p24
Molecular weight formula_weight	25496.3 kDa
Mutation mutation	A14C, E45C, Q50Y, W184A, M185A
Source method src_method	man
Copy count entity_count	6

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D,E,F
Atom count atom_count	9907

Hexameric HIV-1 (M-group) CA Q50Y mutant

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

Capsid protein p24

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

7t13__assembly_1__model_1

7t13__assembly_1__model_1 | I(q)

7t13__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

6. Fold Classification (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

7. Citations (1)

Source organism organism	HIV-1 group M
NCBI taxonomy ID ncbi_taxonomy_id	388795
Host organism host_organism	Escherichia coli BL21(DE3)

Hexameric HIV-1 (M-group) CA Q50Y mutant

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

Capsid protein p24

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

7t13__assembly_1__model_1

7t13__assembly_1__model_1 | I(q)

7t13__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

6. Fold Classification (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

7. Citations (1)