SAXSdb — 1cwp

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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–RNA	Homooligomer	Protein 180 RNA 180	;RNA (5'-R(APUPAPU)-3') ; × 120 ;RNA (5'-R(APU)-3') ; × 60	Consistent with all polymers
2	Protein–RNA	Homooligomer	Protein 3 RNA 3	;RNA (5'-R(APUPAPU)-3') ; × 2 ;RNA (5'-R(APU)-3') ; × 1	Consistent with all polymers
3	Protein–RNA	Homooligomer	Protein 15 RNA 15	;RNA (5'-R(APUPAPU)-3') ; × 10 ;RNA (5'-R(APU)-3') ; × 5	Consistent with all polymers
4	Protein–RNA	Homooligomer	Protein 18 RNA 18	;RNA (5'-R(APUPAPU)-3') ; × 12 ;RNA (5'-R(APU)-3') ; × 6	Consistent with all polymers
5	Protein–RNA	Homooligomer	Protein 3 RNA 3	;RNA (5'-R(APUPAPU)-3') ; × 2 ;RNA (5'-R(APU)-3') ; × 1	Consistent with all polymers
6	Protein–RNA	Homooligomer	Protein 180 RNA 180	;RNA (5'-R(APUPAPU)-3') ; × 120 ;RNA (5'-R(APU)-3') ; × 60	Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	COAT_CCMV
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain A； PDBConstruct 1–190； UniProt 1–189 Author chain B； PDBConstruct 1–190； UniProt 1–189 Author chain C； PDBConstruct 1–190； UniProt 1–189

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	1cwp
Deposition date deposition_date	1995-05-22
Structure title title	STRUCTURES OF THE NATIVE AND SWOLLEN FORMS OF COWPEA CHLOROTIC MOTTLE VIRUS DETERMINED BY X-RAY CRYSTALLOGRAPHY AND CRYO-ELECTRON MICROSCOPY
Keywords keywords	BROMOVIRUS, Icosahedral virus, Virus-RNA COMPLEX; Virus/RNA
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.

1cwp__assembly_1__model_1

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

Download this curve (.dat)

1cwp__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1cwp__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)	118.30 Å
Total Rg	118.30 Å
Atom count	227040
Residues	29220
Excluded volume	4041100 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1cwp__assembly_1__model_1`	360-MERIC （360）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1cwp__assembly_2__model_1`	hexameric （6）	Excluded	—	—
	Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
3	1	`1cwp__assembly_3__model_1`	30-meric （30）	Excluded	—	—
	Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
4	1	`1cwp__assembly_4__model_1`	36-meric （36）	Excluded	—	—
	Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
5	1	`1cwp__assembly_5__model_1`	hexameric （6）	Excluded	—	—
	Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
6	1	`1cwp__assembly_6__model_1`	360-meric （360）	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	;RNA (5'-R(APUPAPU)-3') ;
Molecular weight formula_weight	1225.8 kDa
Source method src_method	syn
Copy count entity_count	2

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	D,F
Atom count atom_count	3784

AUAU

Entity 2 Entity 2 polymer

Description description	;RNA (5'-R(APU)-3') ;
Molecular weight formula_weight	590.4 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polyribonucleotide
Chain IDs strand_id	E

AU

Entity 3 Entity 3 polymer

Description description	Coat protein
Molecular weight formula_weight	20336.3 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

MSTVGTGKLTRAQRRAAARKNKRNTRVVQPVIVEPIASGQGKAIKAWTGYSVSKWTASCAAAEAKVTSAITISLPNELSSERNKQLKVGRVLLWLGLLPSVSGTVKSCVTETQTTAAASFQVALAVADNSKDVVAAMYPEAFKGITLEQLAADLTIYLYSSAALTEGDVIVHLEVEHVRPTFDDSFTPVY

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6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

Domain ID domain_id	d1cwpa_
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.121.4.5 — Bromoviridae-like VP

Domain ID domain_id	d1cwpb_
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.121.4.5 — Bromoviridae-like VP

Domain ID domain_id	d1cwpc_
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.121.4.5 — Bromoviridae-like VP

CATH v4.4 (3 domains)

Domain ID domain_id	1cwpA00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	120 — Jelly Rolls
Homologous superfamily homologous superfamily	220 — Satellite virus coat domain

Domain ID domain_id	1cwpB01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	120 — Jelly Rolls
Homologous superfamily homologous superfamily	220 — Satellite virus coat domain

Domain ID domain_id	1cwpC01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	120 — Jelly Rolls
Homologous superfamily homologous superfamily	220 — Satellite virus coat domain

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Unit-cell length a length_a	381.300 Å
Unit-cell length b length_b	381.300 Å
Unit-cell length c length_c	408.600 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	720

Space group space_group	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	3.200 Å
Low-resolution limit resolution_low	7.000 Å
R factor r_factor	0.3100
R_work r_work	0.3100
R_free r_free	—

STRUCTURES OF THE NATIVE AND SWOLLEN FORMS OF COWPEA CHLOROTIC MOTTLE VIRUS DETERMINED BY X-RAY CRYSTALLOGRAPHY AND CRYO-ELECTRON MICROSCOPY

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

1cwp__assembly_1__model_1

1cwp__assembly_1__model_1 | I(q)

1cwp__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

5. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 polymer

Polymer Polymer

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

CATH v4.4 (3 domains)

7. Citations (4)

STRUCTURES OF THE NATIVE AND SWOLLEN FORMS OF COWPEA CHLOROTIC MOTTLE VIRUS DETERMINED BY X-RAY CRYSTALLOGRAPHY AND CRYO-ELECTRON MICROSCOPY

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

1cwp__assembly_1__model_1

1cwp__assembly_1__model_1 | I(q)

1cwp__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

5. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 polymer

Polymer Polymer

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

CATH v4.4 (3 domains)

7. Citations (4)