SAXSdb — 8i1v

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

Major capsid protein

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 14	Scaffolding protein × 7 （P26748）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CAPSD_BPP22
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–430； UniProt 1–430 Author chain B； PDBConstruct 1–430； UniProt 1–430 Author chain C； PDBConstruct 1–430； UniProt 1–430 Author chain D； PDBConstruct 1–430； UniProt 1–430 Author chain E； PDBConstruct 1–430； UniProt 1–430 Author chain F； PDBConstruct 1–430； UniProt 1–430 Author chain G； PDBConstruct 1–430； UniProt 1–430

Scaffolding protein

OrganismNot specified

UniProt P26748

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 14	Major capsid protein × 7 （P26747）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	VG08_BPP22
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain H； PDBConstruct 1–303； UniProt 1–303 Author chain I； PDBConstruct 1–303； UniProt 1–303 Author chain J； PDBConstruct 1–303； UniProt 1–303 Author chain K； PDBConstruct 1–303； UniProt 1–303 Author chain L； PDBConstruct 1–303； UniProt 1–303 Author chain M； PDBConstruct 1–303； UniProt 1–303 Author chain N； PDBConstruct 1–303； UniProt 1–303

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	8i1v
Deposition date deposition_date	2023-01-13
Structure title title	The asymmetric unit of P22 procapsid
Keywords keywords	Complex, VIRUS, VIRAL PROTEIN; VIRAL PROTEIN
Experimental Method method	ELECTRON MICROSCOPY

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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.

8i1v__assembly_1__model_1

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

Download this curve (.dat)

8i1v__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

8i1v__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	52.46 Å
Rg (electron density)	52.06 Å
Total Rg	52.27 Å
Atom count	23870
Residues	3127
Excluded volume	424170 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`8i1v__assembly_1__model_1`	tetradecameric （14）	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)

Entity 1 Entity 1 polymer

Description description	Major capsid protein
Molecular weight formula_weight	46795.6 kDa
Source method src_method	nat
Copy count entity_count	7

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	G,A,B,F,C,D,E
Atom count atom_count	23870

MALNEGQIVTLAVDEIIETISAITPMAQKAKKYTPPAASMQRSSNTIWMPVEQESPTQEGWDLTDKATGLLELNVAVNMGEPDNDFFQLRADDLRDETAYRRRIQSAARKLANNVELKVANMAAEMGSLVITSPDAIGTNTADAWNFVADAEEIMFSRELNRDMGTSYFFNPQDYKKAGYDLTKRDIFGRIPEEAYRDGTIQRQVAGFDDVLRSPKLPVLTKSTATGITVSGAQSFKPVAWQLDNDGNKVNVDNRFATVTLSATTGMKRGDKISFAGVKFLGQMAKNVLAQDATFSVVRVVDGTHVEITPKPVALDDVSLSPEQRAYANVNTSLADAMAVNILNVKDARTNVFWADDAIRIVSQPIPANHELFAGMKTTSFSIPDVGLNGIFATQGDISTLSGLCRIALWYGVNATRPEAIGVGLPGQTA

Entity 2 Entity 2 polymer

Description description	Scaffolding protein
Molecular weight formula_weight	33609.5 kDa
Source method src_method	nat
Copy count entity_count	7

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	H,I,J,K,L,M,N

MEPTTEIQATEDLTLSGDHAAASADSLVVDNANDNAGQEEGFEIVLKDDETAPKQDPAKNAEFARRRIERKRQRELEQQMEAVKRGELPESLRVNPDLPPQPDINAYLSEEGLAKYDYDNSRALAAFNAANTEWLMKAQDARSNAVAEQGRKTQEFTQQSAQYVEAARKHYDAAEKLNIPDYQEKEDAFMQLVPPAVGADIMRLFPEKSAALMYHLGANPEKARQLLAMDGQSALIELTRLSERLTLKPRGKQISSAPPADQPITGDVSAANKDAIRKQMDAAASKGDVETYRKLKAKLKGIR

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6. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

Domain ID domain_id	8i1vB01
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	30 — Elongation Factor Tu (Ef-tu); domain 3
Homologous superfamily homologous superfamily	240 —

Domain ID domain_id	8i1vC01
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	30 — Elongation Factor Tu (Ef-tu); domain 3
Homologous superfamily homologous superfamily	240 —

Domain ID domain_id	8i1vD01
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	30 — Elongation Factor Tu (Ef-tu); domain 3
Homologous superfamily homologous superfamily	240 —

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Unit-cell length a length_a	1.000 Å
Unit-cell length b length_b	1.000 Å
Unit-cell length c length_c	1.000 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	—

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

Resolution resolution	2.60 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	1329660

The asymmetric unit of P22 procapsid

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

Major capsid protein

State in the Current Structure

Other States of the Same Protein in the Database

Scaffolding 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

8i1v__assembly_1__model_1

8i1v__assembly_1__model_1 | I(q)

8i1v__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

6. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

7. Citations (1)

The asymmetric unit of P22 procapsid

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

Major capsid 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

Scaffolding 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

8i1v__assembly_1__model_1

8i1v__assembly_1__model_1 | I(q)

8i1v__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

6. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

7. Citations (1)