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9pht

Crystal structure of the A/Vietnam/1203/2004 (H5N1) influenza virus hemagglutinin in complex with fusion inhibitor cyclic peptide CP141085 (CP1)

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

Hemagglutinin

Influenza A virus (A/Viet Nam/1203/2004(H5N1))

UniProt Q5EP31

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 9 cyclic peptide CP141085 × 3 2-acetamido-2-deoxy-beta-D-glucopyranose × 9 water × 9 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
3fku 3fku 4bh2 4bh3 4bh4 6b3m 6b3m 6cf5 6cfg 6e3h 6e7g 6e7h

14 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name Q5EP31_9INFA
Isoform —
PDB entities 1, 2
Chains and sequence ranges Author chain A； PDBConstruct 5–334； UniProt 17–346 Author chain B； PDBConstruct 1–174； UniProt 347–520

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_id9pht
Deposition date deposition_date2025-07-09
Structure title titleCrystal structure of the A/Vietnam/1203/2004 (H5N1) influenza virus hemagglutinin in complex with fusion inhibitor cyclic peptide CP141085 (CP1)
Keywords keywordsinfluenza virus, hemagglutinin, glycoprotein, N-glycosylation, 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.

9pht__assembly_1__model_1

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

Download this curve (.dat)

9pht__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.

9pht__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）42.56 Å
Rg (electron density)42.12 Å
Total Rg42.22 Å
Atom count12486
Residues1551
Excluded volume220170 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 9pht__assembly_1__model_1 nonameric （9） 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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7. Citations (1)