SAXSdb — 1stm

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

SATELLITE PANICUM MOSAIC VIRUS

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 60	water × 60	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
3	Protein homooligomer	Homooligomer	Protein 5	water × 5	Consistent with protein count
4	Protein homooligomer	Homooligomer	Protein 7	water × 7	Consistent with protein count
5	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
6	Protein homooligomer	Homooligomer	Protein 5	water × 5	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	COAT_SPMV
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–157； UniProt 1–157 Author chain B； PDBConstruct 1–157； UniProt 1–157 Author chain C； PDBConstruct 1–157； UniProt 1–157 Author chain D； PDBConstruct 1–157； UniProt 1–157 Author chain E； PDBConstruct 1–157； UniProt 1–157

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	1stm
Deposition date deposition_date	1995-07-12
Structure title title	SATELLITE PANICUM MOSAIC VIRUS
Keywords keywords	VIRUS, Icosahedral 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.

1stm__assembly_1__model_1

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

Download this curve (.dat)

1stm__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1stm__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	70.88 Å
Rg (electron density)	69.81 Å
Total Rg	70.00 Å
Atom count	63660
Residues	8460
Excluded volume	1127500 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1stm__assembly_1__model_1`	60-MERIC （60）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1stm__assembly_2__model_1`	monomeric （1）	Excluded	—	—
	Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
3	1	`1stm__assembly_3__model_1`	pentameric （5）	Excluded	—	—
	Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
4	1	`1stm__assembly_4__model_1`	heptameric （7）	Excluded	—	—
	Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
5	1	`1stm__assembly_5__model_1`	monomeric （1）	Excluded	—	—
	Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
6	1	`1stm__assembly_6__model_1`	pentameric （5）	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 (2)

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6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (5 domains)

Domain ID domain_id	d1stma_
Class class	b — All beta proteins
Fold Fold fold	b.121 — Nucleoplasmin-like/VP (viral coat and capsid proteins)
Superfamily Superfamily superfamily	b.121.7 — Satellite viruses
Family Family family	b.121.7.1 — Satellite viruses

Domain ID domain_id	d1stmb_
Class class	b — All beta proteins
Fold Fold fold	b.121 — Nucleoplasmin-like/VP (viral coat and capsid proteins)
Superfamily Superfamily superfamily	b.121.7 — Satellite viruses
Family Family family	b.121.7.1 — Satellite viruses

Domain ID domain_id	d1stmc_
Class class	b — All beta proteins
Fold Fold fold	b.121 — Nucleoplasmin-like/VP (viral coat and capsid proteins)
Superfamily Superfamily superfamily	b.121.7 — Satellite viruses
Family Family family	b.121.7.1 — Satellite viruses

Domain ID domain_id	d1stmd_
Class class	b — All beta proteins
Fold Fold fold	b.121 — Nucleoplasmin-like/VP (viral coat and capsid proteins)
Superfamily Superfamily superfamily	b.121.7 — Satellite viruses
Family Family family	b.121.7.1 — Satellite viruses

Domain ID domain_id	d1stme_
Class class	b — All beta proteins
Fold Fold fold	b.121 — Nucleoplasmin-like/VP (viral coat and capsid proteins)
Superfamily Superfamily superfamily	b.121.7 — Satellite viruses
Family Family family	b.121.7.1 — Satellite viruses

CATH v4.4 (5 domains)

Domain ID domain_id	1stmA00
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	1stmB00
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	1stmC00
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	1stmD00
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	1stmE00
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	183.000 Å
Unit-cell length b length_b	183.000 Å
Unit-cell length c length_c	183.000 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	120

Space group space_group	P 42 3 2
Space-group number int_tables_number	208
Crystal system crystal_system	—

Resolution resolution	1.900 Å
Low-resolution limit resolution_low	30.000 Å
R factor r_factor	0.2100
R_work r_work	0.2100
R_free r_free	—

Description description	SATELLITE PANICUM MOSAIC VIRUS
Molecular weight formula_weight	16983.2 kDa
Source method src_method	nat
Copy count entity_count	5

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D,E
Atom count atom_count	5633

SATELLITE PANICUM MOSAIC VIRUS

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

SATELLITE PANICUM MOSAIC VIRUS

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

1stm__assembly_1__model_1

1stm__assembly_1__model_1 | I(q)

1stm__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (5 domains)

CATH v4.4 (5 domains)

7. Citations (2)

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	328

SATELLITE PANICUM MOSAIC VIRUS

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

SATELLITE PANICUM MOSAIC VIRUS

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

1stm__assembly_1__model_1

1stm__assembly_1__model_1 | I(q)

1stm__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (5 domains)

CATH v4.4 (5 domains)

7. Citations (2)