SAXSdb — 3d6r

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

Non-structural protein 1

Influenza A virus

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 4	water × 4	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 4	water × 4	Consistent with protein count
3	Protein homooligomer	Homooligomer	Protein 2	water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	NS1_I76A2
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–158； UniProt 73–230 Author chain B； PDBConstruct 1–158； UniProt 73–230

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	3d6r
Deposition date deposition_date	2008-05-20
Structure title title	Structure of an avian influenza A virus NS1 protein effector domain
Keywords keywords	;Influenza, NS1, effector domain, Alternative splicing, Cytoplasm, Host-virus interaction, Interferon antiviral system evasion, Nucleus, RNA-binding, Suppressor of RNA silencing, 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.

3d6r__assembly_3__model_1

Assembly 3 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

3d6r__assembly_3__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3d6r__assembly_3__model_1 | P(r) · Pending

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

Rg（Guinier）	22.58 Å
Rg (electron density)	22.38 Å
Total Rg	22.85 Å
Atom count	1899
Residues	241
Excluded volume	34023 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3d6r__assembly_1__model_1`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`3d6r__assembly_2__model_1`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`3d6r__assembly_3__model_1`	dimeric （2）	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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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d3d6ra_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.299 — Ns1 effector domain-like
Superfamily Superfamily superfamily	d.299.1 — Ns1 effector domain-like
Family Family family	d.299.1.1 — Ns1 effector domain-like

Domain ID domain_id	d3d6rb1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.299 — Ns1 effector domain-like
Superfamily Superfamily superfamily	d.299.1 — Ns1 effector domain-like
Family Family family	d.299.1.1 — Ns1 effector domain-like

CATH v4.4 (2 domains)

Domain ID domain_id	3d6rA00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily	330 — Influenza virus non-structural protein, effector domain

Domain ID domain_id	3d6rB00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily	330 — Influenza virus non-structural protein, effector domain

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Unit-cell length a length_a	65.249 Å
Unit-cell length b length_b	65.249 Å
Unit-cell length c length_c	338.767 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	120.00 °
Molecules per unit cell Z z_pdb	24

Space group space_group	P 65 2 2
Space-group number int_tables_number	179
Crystal system crystal_system	—

Resolution resolution	1.997 Å
Low-resolution limit resolution_low	19.970 Å
R factor r_factor	0.1850
R_work r_work	0.1830
R_free r_free	0.2240

Description description	Non-structural protein 1
Molecular weight formula_weight	17754.3 kDa
Source method src_method	man
Copy count entity_count	2

Polymer type type	polypeptide(L)
Chain IDs strand_id	B,A
Atom count atom_count	2286

Structure of an avian influenza A virus NS1 protein effector domain

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

Non-structural protein 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

3d6r__assembly_3__model_1

3d6r__assembly_3__model_1 | I(q)

3d6r__assembly_3__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

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)

Source organism organism	Influenza A virus
NCBI taxonomy ID ncbi_taxonomy_id	385582
Host organism host_organism	Escherichia coli

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	387

Structure of an avian influenza A virus NS1 protein effector domain

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

Non-structural protein 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

3d6r__assembly_3__model_1

3d6r__assembly_3__model_1 | I(q)

3d6r__assembly_3__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

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)