SAXSdb — 3jrv

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

Protein K7

Vaccinia virus WR

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	ATP-dependent RNA helicase DDX3X × 1 （O00571） water × 2	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 2	ATP-dependent RNA helicase DDX3X × 1 （O00571） water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	VK07_VACCW
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–149； UniProt 1–149 Author chain B； PDBConstruct 1–149； UniProt 1–149

ATP-dependent RNA helicase DDX3X

OrganismNot specified

UniProt O00571

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	Protein K7 × 1 （P68466） water × 2	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 2	Protein K7 × 1 （P68466） water × 2	Consistent with protein count
3	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	DDX3X_HUMAN
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain C； PDBConstruct 1–20； UniProt 71–90 Author chain D； PDBConstruct 1–20； UniProt 71–90 Author chain E； PDBConstruct 1–20； UniProt 71–90

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	3jrv
Deposition date deposition_date	2009-09-09
Structure title title	Structure of poxvirus K7 protein in complex with RNA helicase DDX3
Keywords keywords	poxvirus protein K7, DEAD-box RNA Helicase DDX3, viral immune evasion, innate immunity, VIRAL PROTEIN-PROTEIN BINDING complex; VIRAL PROTEIN/PROTEIN BINDING
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.

3jrv__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

3jrv__assembly_2__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3jrv__assembly_2__model_1 | P(r) · Pending

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

Rg（Guinier）	16.01 Å
Rg (electron density)	14.51 Å
Total Rg	15.66 Å
Atom count	1240
Residues	148
Excluded volume	22118 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3jrv__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`3jrv__assembly_2__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`3jrv__assembly_3__model_1`	monomeric （1）	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 (3)

Entity 1 Entity 1 polymer

Description description	Protein K7
Molecular weight formula_weight	17676.5 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	2799

MATKLDYEDAVFYFVDDDKICSRDSIIDLIDEYITWRNHVIVFNKDITSCGRLYKELMKFDDVAIRYYGIDKINEIVEAMSEGDHYINFTKVHDQESLFATIGICAKITEHWGYKKISESRFQSLGNITDLMTDDNINILILFLEKKLN

Source Source

Source organism organism	Vaccinia virus WR
Common name common_name	VACV
NCBI taxonomy ID ncbi_taxonomy_id	10254
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 polymer

Description description	ATP-dependent RNA helicase DDX3X
Molecular weight formula_weight	2158.3 kDa
EC 编号 ec_number	3.6.1.-
Source method src_method	syn
Copy count entity_count	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C,D,E

SFGSRSDSRGKSSFFSDRGS

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	257

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6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id	3jrvA00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	437 — Apoptosis Regulator Bcl-x
Homologous superfamily homologous superfamily	20 — dsDNA poxvirus

Domain ID domain_id	3jrvB00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	437 — Apoptosis Regulator Bcl-x
Homologous superfamily homologous superfamily	20 — dsDNA poxvirus

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Unit-cell length a length_a	90.889 Å
Unit-cell length b length_b	69.529 Å
Unit-cell length c length_c	65.626 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	122.17 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	12

Space group space_group	C 1 2 1
Space-group number int_tables_number	5
Crystal system crystal_system	—

Resolution resolution	1.600 Å
Low-resolution limit resolution_low	55.550 Å
R factor r_factor	0.1430
R_work r_work	0.1410
R_free r_free	0.1900

Structure of poxvirus K7 protein in complex with RNA helicase DDX3

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

Protein K7

State in the Current Structure

Other States of the Same Protein in the Database

ATP-dependent RNA helicase DDX3X

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

3jrv__assembly_2__model_1

3jrv__assembly_2__model_1 | I(q)

3jrv__assembly_2__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)

Structure of poxvirus K7 protein in complex with RNA helicase DDX3

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

Protein K7

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

ATP-dependent RNA helicase DDX3X

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

3jrv__assembly_2__model_1

3jrv__assembly_2__model_1 | I(q)

3jrv__assembly_2__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

7. Citations (1)