SAXSdb — 2wlp

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

COAT PROTEIN

SESBANIA MOSAIC VIRUS

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q9EB06_9VIRU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–203； UniProt 66–268 Author chain B； PDBConstruct 1–203； UniProt 66–268

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	2wlp
Deposition date deposition_date	2009-06-24
Structure title title	Sesbania mosaic virus capsid protein dimer mutant (rCP-DEL-N65-W170K)
Keywords keywords	VIRAL PROTEIN, PROTEIN-PROTEIN INTERACTIONS, CA2+, VIRUS CAPSID, VIRUS ASSEMBLY, VIRUS STABILITY; 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.

2wlp__assembly_1__model_1

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

Download this curve (.dat)

2wlp__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2wlp__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	17.45 Å
Rg (electron density)	16.33 Å
Total Rg	17.35 Å
Atom count	1380
Residues	187
Excluded volume	24735 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2wlp__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2wlp__assembly_2__model_1`	monomeric （1）	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 (2)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d2wlpa_
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	d2wlpb_
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 (2 domains)

Domain ID domain_id	2wlpA00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	120 — Jelly Rolls
Homologous superfamily homologous superfamily	20 —

Domain ID domain_id	2wlpB00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	120 — Jelly Rolls
Homologous superfamily homologous superfamily	20 —

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Unit-cell length a length_a	35.880 Å
Unit-cell length b length_b	41.950 Å
Unit-cell length c length_c	68.650 Å
Unit-cell angle α angle_alpha	81.07 °
Unit-cell angle β angle_beta	75.00 °
Unit-cell angle γ angle_gamma	84.25 °
Molecules per unit cell Z z_pdb	2

Space group space_group	P 1
Space-group number int_tables_number	1
Crystal system crystal_system	—

Resolution resolution	2.650 Å
Low-resolution limit resolution_low	65.650 Å
R factor r_factor	0.2240
R_work r_work	0.2205
R_free r_free	0.2940

Description description	COAT PROTEIN
Molecular weight formula_weight	21414.2 kDa
Mutation mutation	YES
Source method src_method	man
Copy count entity_count	2

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	2821

Sesbania mosaic virus capsid protein dimer mutant (rCP-DEL-N65-W170K)

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

2wlp__assembly_1__model_1

2wlp__assembly_1__model_1 | I(q)

2wlp__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)

Source organism organism	SESBANIA MOSAIC VIRUS
NCBI taxonomy ID ncbi_taxonomy_id	12558
Host organism host_organism	ESCHERICHIA COLI

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	47

Sesbania mosaic virus capsid protein dimer mutant (rCP-DEL-N65-W170K)

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

2wlp__assembly_1__model_1

2wlp__assembly_1__model_1 | I(q)

2wlp__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)