SAXSdb — 1pd3

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

Nonstructural protein NS2

Influenza A virus

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	No other associated polymer	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	No other associated polymer	Consistent with protein count
3	Protein homooligomer	Homooligomer	Protein 2	No other associated polymer	Consistent with protein count
4	Protein homooligomer	Homooligomer	Protein 2	No other associated polymer	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	VNS2_IAPUE
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–58； UniProt 59–116 Author chain B； PDBConstruct 1–58； UniProt 59–116

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	1pd3
Deposition date deposition_date	2003-05-19
Structure title title	Influenza A NEP M1-binding domain
Keywords keywords	influenza virus A, NEP/NS2, UNKNOWN FUNCTION; UNKNOWN FUNCTION
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.

1pd3__assembly_2__model_1

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

Download this curve (.dat)

1pd3__assembly_2__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1pd3__assembly_2__model_1 | P(r) · Pending

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

Rg（Guinier）	14.38 Å
Rg (electron density)	13.62 Å
Total Rg	14.70 Å
Atom count	474
Residues	54
Excluded volume	8484 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1pd3__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1pd3__assembly_2__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`1pd3__assembly_3__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
4	1	`1pd3__assembly_4__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 (1)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1pd3a_
Class class	a — All alpha proteins
Fold Fold fold	a.30 — ROP-like
Superfamily Superfamily superfamily	a.30.3 — Nonstructural protein ns2, Nep, M1-binding domain
Family Family family	a.30.3.1 — Nonstructural protein ns2, Nep, M1-binding domain

Domain ID domain_id	d1pd3b_
Class class	a — All alpha proteins
Fold Fold fold	a.30 — ROP-like
Superfamily Superfamily superfamily	a.30.3 — Nonstructural protein ns2, Nep, M1-binding domain
Family Family family	a.30.3.1 — Nonstructural protein ns2, Nep, M1-binding domain

CATH v4.4 (2 domains)

Domain ID domain_id	1pd3A00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	287 — Helix Hairpins
Homologous superfamily homologous superfamily	230 —

Domain ID domain_id	1pd3B00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	287 — Helix Hairpins
Homologous superfamily homologous superfamily	230 —

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Unit-cell length a length_a	82.691 Å
Unit-cell length b length_b	82.691 Å
Unit-cell length c length_c	61.111 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	12

Space group space_group	P 32 2 1
Space-group number int_tables_number	154
Crystal system crystal_system	—

Resolution resolution	2.600 Å
Low-resolution limit resolution_low	19.880 Å
R factor r_factor	0.1790
R_work r_work	0.1760
R_free r_free	0.2440

Description description	Nonstructural protein NS2
Molecular weight formula_weight	7241.2 kDa
Source method src_method	man
Copy count entity_count	2

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	948

Influenza A NEP M1-binding domain

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

Nonstructural protein NS2

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

1pd3__assembly_2__model_1

1pd3__assembly_2__model_1 | I(q)

1pd3__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 (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

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	11320
Host organism host_organism	Escherichia coli

Influenza A NEP M1-binding domain

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

Nonstructural protein NS2

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

1pd3__assembly_2__model_1

1pd3__assembly_2__model_1 | I(q)

1pd3__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 (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)