SAXSdb — 2snw

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

COAT PROTEIN C

OrganismNot specified

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	POLS_SINDV
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–158； UniProt 107–264 Author chain B； PDBConstruct 1–158； UniProt 107–264

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	2snw
Deposition date deposition_date	1998-02-17
Structure title title	SINDBIS VIRUS CAPSID PROTEIN, TYPE3 CRYSTAL FORM
Keywords keywords	SINDBIS, VIRUS, PROTEINASE, ALPHAVIRUS, CAPSID, CHYMOTRYPSIN, VIRUS COAT PROTEIN, 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.

2snw__assembly_1__model_1

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

Download this curve (.dat)

2snw__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2snw__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	23.84 Å
Rg (electron density)	23.46 Å
Total Rg	24.41 Å
Atom count	2994
Residues	316
Excluded volume	42931 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2snw__assembly_1__model_1`	dimeric （2）	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) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d2snwa_
Class class	b — All beta proteins
Fold Fold fold	b.47 — Trypsin-like serine proteases
Superfamily Superfamily superfamily	b.47.1 — Trypsin-like serine proteases
Family Family family	b.47.1.3 — Viral proteases

Domain ID domain_id	d2snwb_
Class class	b — All beta proteins
Fold Fold fold	b.47 — Trypsin-like serine proteases
Superfamily Superfamily superfamily	b.47.1 — Trypsin-like serine proteases
Family Family family	b.47.1.3 — Viral proteases

CATH v4.4 (4 domains)

Domain ID domain_id	2snwA01
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	10 — Thrombin, subunit H
Homologous superfamily homologous superfamily	10 — Trypsin-like serine proteases

Domain ID domain_id	2snwA02
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	10 — Thrombin, subunit H
Homologous superfamily homologous superfamily	10 — Trypsin-like serine proteases

Domain ID domain_id	2snwB01
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	10 — Thrombin, subunit H
Homologous superfamily homologous superfamily	10 — Trypsin-like serine proteases

Domain ID domain_id	2snwB02
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	10 — Thrombin, subunit H
Homologous superfamily homologous superfamily	10 — Trypsin-like serine proteases

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Unit-cell length a length_a	38.800 Å
Unit-cell length b length_b	79.700 Å
Unit-cell length c length_c	60.800 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	102.20 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	4

Space group space_group	P 1 21 1
Space-group number int_tables_number	4
Crystal system crystal_system	—

Resolution resolution	2.700 Å
Low-resolution limit resolution_low	8.000 Å
R factor r_factor	0.1910
R_work r_work	0.1910
R_free r_free	—

Description description	COAT PROTEIN C
Molecular weight formula_weight	17287.5 kDa
EC 编号 ec_number	3.4.21.-
Source method src_method	nat
Copy count entity_count	2

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	3030

SINDBIS VIRUS CAPSID PROTEIN, TYPE3 CRYSTAL FORM

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

COAT PROTEIN C

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

2snw__assembly_1__model_1

2snw__assembly_1__model_1 | I(q)

2snw__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

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

CATH v4.4 (4 domains)

7. Citations (6)

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	12

SINDBIS VIRUS CAPSID PROTEIN, TYPE3 CRYSTAL FORM

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

COAT PROTEIN C

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

2snw__assembly_1__model_1

2snw__assembly_1__model_1 | I(q)

2snw__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

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

CATH v4.4 (4 domains)

7. Citations (6)