SAXSdb — 2b4i

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

Outer capsid protein VP4

Rhesus rotavirus

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 3	water × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q91HI9_ROTRH
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 22–254； UniProt 247–479 Author chain B； PDBConstruct 22–254； UniProt 247–479 Author chain C； PDBConstruct 22–254； UniProt 247–479

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	2b4i
Deposition date deposition_date	2005-09-24
Structure title title	Crystal Structure of the Rhesus Rotavirus VP5 Antigen Domain Trimer
Keywords keywords	BETA SANDWICH; GREEK KEY; MEMBRANE PENETRATION PROTEIN; NON-ENVELOPED VIRUS; SPIKE PROTEIN; REARRANGEMENT, 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.

2b4i__assembly_1__model_1

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

Download this curve (.dat)

2b4i__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2b4i__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	29.00 Å
Rg (electron density)	27.98 Å
Total Rg	28.91 Å
Atom count	5542
Residues	698
Excluded volume	97954 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2b4i__assembly_1__model_1`	trimeric （3）	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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Unit-cell length a length_a	93.123 Å
Unit-cell length b length_b	94.027 Å
Unit-cell length c length_c	97.503 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	12

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

Resolution resolution	2.000 Å
Low-resolution limit resolution_low	50.000 Å
R factor r_factor	0.2251
R_work r_work	0.2221
R_free r_free	0.2517

Description description	Outer capsid protein VP4
Molecular weight formula_weight	28524.8 kDa
Source method src_method	man
Copy count entity_count	3

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C
Atom count atom_count	6030

Crystal Structure of the Rhesus Rotavirus VP5 Antigen Domain Trimer

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

Outer capsid protein VP4

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

2b4i__assembly_1__model_1

2b4i__assembly_1__model_1 | I(q)

2b4i__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

7. Citations (1)

Source organism organism	Rhesus rotavirus
NCBI taxonomy ID ncbi_taxonomy_id	10969
Host organism host_organism	Spodoptera frugiperda

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	488

Crystal Structure of the Rhesus Rotavirus VP5 Antigen Domain Trimer

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

Outer capsid protein VP4

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

2b4i__assembly_1__model_1

2b4i__assembly_1__model_1 | I(q)

2b4i__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

7. Citations (1)