SAXSdb — 1opo

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

Coat protein

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 180	SULFATE ION × 180 CALCIUM ION × 60	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 3	SULFATE ION × 3 CALCIUM ION × 1	Consistent with protein count
3	Protein homooligomer	Homooligomer	Protein 15	SULFATE ION × 15 CALCIUM ION × 5	Consistent with protein count
4	Protein homooligomer	Homooligomer	Protein 18	SULFATE ION × 18 CALCIUM ION × 6	Consistent with protein count
5	Protein homooligomer	Homooligomer	Protein 3	SULFATE ION × 3 CALCIUM ION × 1	Consistent with protein count
6	Protein homooligomer	Homooligomer	Protein 15	SULFATE ION × 15 CALCIUM ION × 5	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	COAT_CARMV
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–348； UniProt 1–348 Author chain B； PDBConstruct 1–348； UniProt 1–348 Author chain C； PDBConstruct 1–348； UniProt 1–348

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	1opo
Deposition date deposition_date	2003-03-06
Structure title title	THE STRUCTURE OF CARNATION MOTTLE VIRUS
Keywords keywords	PLANT VIRUS, CARMOVIRUS, VIRUS/VIRAL PROTEIN, TOMATO BUSHY STUNT VIRUS, Icosahedral virus, Virus; VIRUS
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.

1opo__assembly_1__model_1

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

Download this curve (.dat)

1opo__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1opo__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	0.00 Å
Rg (electron density)	144.00 Å
Total Rg	144.00 Å
Atom count	367800
Residues	48120
Excluded volume	6594700 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1opo__assembly_1__model_1`	complete icosahedral assembly （180）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1opo__assembly_2__model_1`	trimeric （3）	Excluded	—	—
	Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
3	1	`1opo__assembly_3__model_1`	pentadecameric （15）	Excluded	—	—
	Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
4	1	`1opo__assembly_4__model_1`	octadecameric （18）	Excluded	—	—
	Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
5	1	`1opo__assembly_5__model_1`	trimeric （3）	Excluded	—	—
	Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
6	1	`1opo__assembly_6__model_1`	pentadecameric （15）	Excluded	—	—
	Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.

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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Description description	Coat protein
Molecular weight formula_weight	37830.2 kDa
Source method src_method	nat
Copy count entity_count	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C
Atom count atom_count	6130

MENKGEKIAMNPTVQTLAQKGDKLAVKLVTRGWASLSTNQKRRAEMLAGYTPAILAFTPRRPRMTNPPPRTSRNSPGQAGKSMTMSKTELLSTVKGTTGVIPSFEDWVVSPRNVAVFPQLSLLATNFNKYRITALTVKYSPACSFETNGRVALGFNDDASDTPPTTKVGFYDLGKHVETAAQTAKDLVIPVDGKTRFIRDSASDDAKLVDFGRIVLSTYGFDKADTVVGELFIQYTIVLSDPTKTAKISQASNDKVSDGPTYVVPSVNGNELQLRVVAAGKWCIIVRGTVEGGFTKPTLIGPGISGDVDYESARPIAVCELVTQMEGQILKITKTSAEQPLQWVVYRM

Entity 2 Entity 2 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 3 Entity 3 non-polymer

Description description	CALCIUM ION
Molecular weight formula_weight	40.1 kDa
Source method src_method	syn
Copy count entity_count	1

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6. Fold Classification (SCOP + CATH) 9 domains

SCOP 2.08 (3 domains)

Domain ID domain_id	d1opoa_
Class class	b — All beta proteins
Fold Fold fold	b.121 — Nucleoplasmin-like/VP (viral coat and capsid proteins)
Superfamily Superfamily superfamily	b.121.4 — Positive stranded ssRNA viruses
Family Family family	b.121.4.7 — Tombusviridae-like VP

Domain ID domain_id	d1opob_
Class class	b — All beta proteins
Fold Fold fold	b.121 — Nucleoplasmin-like/VP (viral coat and capsid proteins)
Superfamily Superfamily superfamily	b.121.4 — Positive stranded ssRNA viruses
Family Family family	b.121.4.7 — Tombusviridae-like VP

Domain ID domain_id	d1opoc_
Class class	b — All beta proteins
Fold Fold fold	b.121 — Nucleoplasmin-like/VP (viral coat and capsid proteins)
Superfamily Superfamily superfamily	b.121.4 — Positive stranded ssRNA viruses
Family Family family	b.121.4.7 — Tombusviridae-like VP

CATH v4.4 (6 domains)

Domain ID domain_id	1opoA01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	120 — Jelly Rolls
Homologous superfamily homologous superfamily	20 —

Domain ID domain_id	1opoA02
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	1780 — Carmovirus coat protein

Domain ID domain_id	1opoB01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	120 — Jelly Rolls
Homologous superfamily homologous superfamily	20 —

Domain ID domain_id	1opoB02
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	1780 — Carmovirus coat protein

Domain ID domain_id	1opoC01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	120 — Jelly Rolls
Homologous superfamily homologous superfamily	20 —

Domain ID domain_id	1opoC02
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	1780 — Carmovirus coat protein

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Unit-cell length a length_a	382.600 Å
Unit-cell length b length_b	382.600 Å
Unit-cell length c length_c	382.600 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	360

Space group space_group	I 2 3
Space-group number int_tables_number	197
Crystal system crystal_system	—

Resolution resolution	3.200 Å
Low-resolution limit resolution_low	6.000 Å
R factor r_factor	0.1830
R_work r_work	—
R_free r_free	—

THE STRUCTURE OF CARNATION MOTTLE VIRUS

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

Coat protein

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

1opo__assembly_1__model_1

1opo__assembly_1__model_1 | I(q)

1opo__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

6. Fold Classification (SCOP + CATH) 9 domains

SCOP 2.08 (3 domains)

CATH v4.4 (6 domains)

7. Citations (1)

THE STRUCTURE OF CARNATION MOTTLE VIRUS

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

Coat protein

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

1opo__assembly_1__model_1

1opo__assembly_1__model_1 | I(q)

1opo__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

6. Fold Classification (SCOP + CATH) 9 domains

SCOP 2.08 (3 domains)

CATH v4.4 (6 domains)

7. Citations (1)