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5if2

Crystal structure of polymerase acid protein (PA) from Influenza A virus, WILSON-SMITH/1933 (H1N1) bound to fragment hit EBSI-576 (5,6-dichloro-1H-1,3-benzodiazol-2-yl)methanol

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Polymerase acidic protein

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

UniProt P15659

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 (5,6-dichloro-1H-benzimidazol-2-yl)methanol × 1 DIMETHYL SULFOXIDE × 1 CHLORIDE ION × 1 water × 1 Consistent with protein count
2 Protein homooligomer Homooligomer Protein 2 (5,6-dichloro-1H-benzimidazol-2-yl)methanol × 2 DIMETHYL SULFOXIDE × 2 CHLORIDE ION × 2 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
5ieq 5if2 5if5 5if7 5if8 5ifb 5ifc 5ifd 5v0u

9 assemblies

Homodimer
4iuj 5ieq 5if2 5if5 5if7 5if8 5ifb 5ifc 5ifd

9 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
6cfp

1 assemblies

View Construct and Data Evidence
UniProt name PA_I33A0
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 2–464； UniProt 254–716

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_id5if2
Deposition date deposition_date2016-02-25
Structure title titleCrystal structure of polymerase acid protein (PA) from Influenza A virus, WILSON-SMITH/1933 (H1N1) bound to fragment hit EBSI-576 (5,6-dichloro-1H-1,3-benzodiazol-2-yl)methanol
Keywords keywords;NIAID, structural genomics, fragment screening, STD NMR, flu, RdRp, polymerase, Seattle Structural Genomics Center for Infectious Disease, SSGCID, VIRAL PROTEIN ;; VIRAL PROTEIN
Experimental Method methodX-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.

5if2__assembly_1__model_1

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

Download this curve (.dat)

5if2__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

5if2__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）23.76 Å
Rg (electron density)22.72 Å
Total Rg23.50 Å
Atom count3183
Residues409
Excluded volume56782 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 5if2__assembly_1__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 5if2__assembly_2__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 (5)

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6. Fold Classification (SCOP + CATH) 1 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd5if2a_
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.77 — PA C-terminal domain-like
Superfamily Superfamily superfamilye.77.1 — PA C-terminal domain-like
Family Family familye.77.1.1 — PA C-terminal domain-like
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7. Citations (1)