← Back to search
2iqh

Influenza A virus nucleoprotein NP at 3.2A resolution

Method: X-RAY DIFFRACTION
▼

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

Nucleocapsid protein

Influenza A virus (A/Wilson-Smith/1933(H1N1))

UniProt Q1I2B5

State in the Current Structure

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

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers
2iqh 2ymn

2 assemblies

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name Q1I2B5_9INFA
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–491； UniProt 8–498 Author chain B； PDBConstruct 1–491； UniProt 8–498 Author chain C； PDBConstruct 1–491； UniProt 8–498

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id2iqh
Deposition date deposition_date2006-10-13
Structure title titleInfluenza A virus nucleoprotein NP at 3.2A resolution
Keywords keywordsoligomerization, RNA binding, NLS, polymerase binding, VIRAL PROTEIN; VIRAL PROTEIN
Experimental Method methodX-RAY DIFFRACTION
▼

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.

2iqh__assembly_1__model_1

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

Download this curve (.dat)

2iqh__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

2iqh__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg（Guinier）39.25 Å
Rg (electron density)38.64 Å
Total Rg38.94 Å
Atom count10162
Residues1288
Excluded volume179570 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2iqh__assembly_1__model_1 trimeric （3） Success 4.1.3-1-20251215 (887e7ef) View Download
▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (1)

▼

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd2iqha1
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.75 — Flu NP-like
Superfamily Superfamily superfamilye.75.1 — flu NP-like
Family Family familye.75.1.1 — Flu NP-like
Domain ID domain_idd2iqhb1
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.75 — Flu NP-like
Superfamily Superfamily superfamilye.75.1 — flu NP-like
Family Family familye.75.1.1 — Flu NP-like
Domain ID domain_idd2iqhc1
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.75 — Flu NP-like
Superfamily Superfamily superfamilye.75.1 — flu NP-like
Family Family familye.75.1.1 — Flu NP-like
▶

7. Citations (1)