SAXSdb — 1pov

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

POLIOVIRUS NATIVE EMPTY CAPSID (TYPE 1)

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	MYRISTIC ACID × 60 SPHINGOSINE × 60 water × 180	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 3	MYRISTIC ACID × 1 SPHINGOSINE × 1 water × 3	Consistent with protein count
3	Protein homooligomer	Homooligomer	Protein 15	MYRISTIC ACID × 5 SPHINGOSINE × 5 water × 15	Consistent with protein count
4	Protein homooligomer	Homooligomer	Protein 18	MYRISTIC ACID × 6 SPHINGOSINE × 6 water × 18	Consistent with protein count
5	Protein homooligomer	Homooligomer	Protein 3	MYRISTIC ACID × 1 SPHINGOSINE × 1 water × 3	Consistent with protein count
6	Protein homooligomer	Homooligomer	Protein 90	MYRISTIC ACID × 30 SPHINGOSINE × 30 water × 90	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	POLH_POL1M
Isoform	—
PDB entities	1, 2, 3
Chains and sequence ranges	Author chain 0； PDBConstruct 1–340； UniProt 1–340 Author chain 1； PDBConstruct 1–302； UniProt 579–880 Author chain 3； PDBConstruct 1–238； UniProt 341–578

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	1pov
Deposition date deposition_date	1995-08-10
Structure title title	ROLE AND MECHANISM OF THE MATURATION CLEAVAGE OF VP0 IN POLIOVIRUS ASSEMBLY: STRUCTURE OF THE EMPTY CAPSID ASSEMBLY INTERMEDIATE AT 2.9 ANGSTROMS RESOLUTION
Keywords keywords	PICORNAVIRUS, 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.

1pov__assembly_1__model_1

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

Download this curve (.dat)

1pov__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1pov__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)	134.50 Å
Total Rg	134.50 Å
Atom count	364260
Residues	46380
Excluded volume	6488800 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1pov__assembly_1__model_1`	180-MERIC （180）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1pov__assembly_2__model_1`	trimeric （3）	Excluded	—	—
	Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
3	1	`1pov__assembly_3__model_1`	pentadecameric （15）	Excluded	—	—
	Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
4	1	`1pov__assembly_4__model_1`	octadecameric （18）	Excluded	—	—
	Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
5	1	`1pov__assembly_5__model_1`	trimeric （3）	Excluded	—	—
	Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
6	1	`1pov__assembly_6__model_1`	90-meric （90）	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 (6)

Entity 1 Entity 1 polymer

Description description	POLIOVIRUS NATIVE EMPTY CAPSID (TYPE 1)
Molecular weight formula_weight	37450.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	0
Atom count atom_count	6281

GAQVSSQKVGAHENSNRAYGGSTINYTTINYYRDSASNAASKQDFSQDPSKFTEPIKDVLIKTAPMLNSPNIEACGYSDRVLQLTLGNSTITTQEAANSVVAYGRWPEYLRDSEANPVDQPTEPDVAACRFYTLDTVSWTKESRGWWWKLPDALRDMGLFGQNMYYHYLGRSGYTVHVQCNASKFHQGALGVFAVPEMCLAGDSNTTTMHTSYQNANPGEKGGTFTGTFTPDNNQTSPARRFCPVDYLLGNGTLLGNAFVFPHQIINLRTNNCATLVLPYVNSLSIDSMVKHNNWGIAILPLAPLNFASESSPEIPITLTIAPMCCEFNGLRNITLPRLQ

Entity 2 Entity 2 polymer

Description description	POLIOVIRUS NATIVE EMPTY CAPSID (TYPE 1)
Molecular weight formula_weight	33488.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	1

GLGQMLESMIDNTVRETVGAATSRDALPNTEASGPTHSKEIPALTAVETGATNPLVPSDTVQTRHVVQHRSRSESSIESFFARGACVTIMTVDNPASTTNKDKLFAVWKITYKDTVQLRRKLEFFTYSRFDMELTFVVTANFTETNNGHALNQVYQIMYVPPGAPVPEKWDDYTWQTSSNPSIFYTYGTAPARISVPYVGISNAYSHFYDGFSKVPLKDQSAALGDSLYGAASLNDFGILAVRVVNDHNPTKVTSKIRVYLKPKHIRVWCPRPPRAVAYYGPGVDYKDGTLTPLSTKDLTTY

Entity 3 Entity 3 polymer

Description description	POLIOVIRUS NATIVE EMPTY CAPSID (TYPE 1)
Molecular weight formula_weight	26547.5 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	3

GLPVMNTPGSNQYLTADNFQSPCALPEFDVTPPIDIPGEVKNMMELAEIDTMIPFDLSATKKNTMEMYRVRLSDKPHTDDPILCLSLSPASDPRLSHTMLGEILNYYTHWAGSLKFTFLFCGSMMATGKLLVSYAPPGADPPKKRKEAMLGTHVIWDIGLQSSCTMVVPWISNTTYRQTIDDSFTEGGYISVFYQTRIVVPLSTPREMDILGFVSACNDFSVRLLRDTTHIEQKALAQ

Entity 4 Entity 4 non-polymer

Description description	MYRISTIC ACID
Molecular weight formula_weight	228.4 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 5 Entity 5 non-polymer

Description description	SPHINGOSINE
Molecular weight formula_weight	299.5 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 6 Entity 6 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	210

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6. Fold Classification (SCOP + CATH) 7 domains

SCOP 2.08 (3 domains)

Domain ID domain_id	d1pov0_
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.121.4.1 — Picornaviridae-like VP (VP1, VP2, VP3 and VP4)

Domain ID domain_id	d1pov1_
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.121.4.1 — Picornaviridae-like VP (VP1, VP2, VP3 and VP4)

Domain ID domain_id	d1pov3_
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.121.4.1 — Picornaviridae-like VP (VP1, VP2, VP3 and VP4)

CATH v4.4 (4 domains)

Domain ID domain_id	1pov001
Class class	4 — Few Secondary Structures
Architecture architecture	10 — Irregular
Topology topology	80 — Rhinovirus 14, subunit 4
Homologous superfamily homologous superfamily	10 — Picornavirus coat protein VP4

Domain ID domain_id	1pov002
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	120 — Jelly Rolls
Homologous superfamily homologous superfamily	20 —

Domain ID domain_id	1pov100
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	120 — Jelly Rolls
Homologous superfamily homologous superfamily	20 —

Domain ID domain_id	1pov300
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	322.900 Å
Unit-cell length b length_b	358.000 Å
Unit-cell length c length_c	380.100 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 21 21 2
Space-group number int_tables_number	18
Crystal system crystal_system	—

Resolution resolution	2.800 Å
Low-resolution limit resolution_low	30.000 Å
R factor r_factor	0.2810
R_work r_work	—
R_free r_free	—

ROLE AND MECHANISM OF THE MATURATION CLEAVAGE OF VP0 IN POLIOVIRUS ASSEMBLY: STRUCTURE OF THE EMPTY CAPSID ASSEMBLY INTERMEDIATE AT 2.9 ANGSTROMS RESOLUTION

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

POLIOVIRUS NATIVE EMPTY CAPSID (TYPE 1)

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

1pov__assembly_1__model_1

1pov__assembly_1__model_1 | I(q)

1pov__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 (6)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 polymer

Polymer Polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

6. Fold Classification (SCOP + CATH) 7 domains

SCOP 2.08 (3 domains)

CATH v4.4 (4 domains)

7. Citations (5)

ROLE AND MECHANISM OF THE MATURATION CLEAVAGE OF VP0 IN POLIOVIRUS ASSEMBLY: STRUCTURE OF THE EMPTY CAPSID ASSEMBLY INTERMEDIATE AT 2.9 ANGSTROMS RESOLUTION

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

POLIOVIRUS NATIVE EMPTY CAPSID (TYPE 1)

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

1pov__assembly_1__model_1

1pov__assembly_1__model_1 | I(q)

1pov__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 (6)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 polymer

Polymer Polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 water

6. Fold Classification (SCOP + CATH) 7 domains

SCOP 2.08 (3 domains)

CATH v4.4 (4 domains)

7. Citations (5)