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Protein Structures and Oligomeric States

Enter a protein name, UniProt accession or PDB ID. Name searches ask you to confirm the protein identity before related structures are queried.

Current Protein Identity：Q9IPS9 New Search
1PDB entries
6Biological assembly
18chain/assembly records
Main Difference Dimensions in This Set
No difference found in parsed fields

Difference tags compare only the current result set; every original PDB and assembly record remains separate.

Related-Structure Differences

Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.

PDB Entry Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Experimental Method Experimental Conditions Structure Quality
1C8N TOBACCO NECROSIS VIRUS Deposited 2000-05-20 Assembly 1 Protein homooligomer Homooligomer；Protein × 180 PDB declaration: 180-MERIC（180） Consistent with protein count
Chain A 1–269（269 aa）
Chain B 1–269（269 aa）
Chain C 1–269（269 aa）
Not recorded CA CALCIUM ION × 300 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6；pH 6.0
Resolution 2.25 Å R-free 0.273
1C8N TOBACCO NECROSIS VIRUS Deposited 2000-05-20 Assembly 2 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 1–269（269 aa）
Chain B 1–269（269 aa）
Chain C 1–269（269 aa）
Not recorded CA CALCIUM ION × 5 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6；pH 6.0
Resolution 2.25 Å R-free 0.273
1C8N TOBACCO NECROSIS VIRUS Deposited 2000-05-20 Assembly 3 Protein homooligomer Homooligomer；Protein × 15 PDB declaration: pentadecameric（15） Consistent with protein count
Chain A 1–269（269 aa）
Chain B 1–269（269 aa）
Chain C 1–269（269 aa）
Not recorded CA CALCIUM ION × 25 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6；pH 6.0
Resolution 2.25 Å R-free 0.273
1C8N TOBACCO NECROSIS VIRUS Deposited 2000-05-20 Assembly 4 Protein homooligomer Homooligomer；Protein × 18 PDB declaration: octadecameric（18） Consistent with protein count
Chain A 1–269（269 aa）
Chain B 1–269（269 aa）
Chain C 1–269（269 aa）
Not recorded CA CALCIUM ION × 30 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6；pH 6.0
Resolution 2.25 Å R-free 0.273
1C8N TOBACCO NECROSIS VIRUS Deposited 2000-05-20 Assembly 5 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 1–269（269 aa）
Chain B 1–269（269 aa）
Chain C 1–269（269 aa）
Not recorded CA CALCIUM ION × 5 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6；pH 6.0
Resolution 2.25 Å R-free 0.273
1C8N TOBACCO NECROSIS VIRUS Deposited 2000-05-20 Assembly 6 Protein homooligomer Homooligomer；Protein × 15 PDB declaration: pentadecameric（15） Consistent with protein count
Chain A 1–269（269 aa）
Chain B 1–269（269 aa）
Chain C 1–269（269 aa）
Not recorded CA CALCIUM ION × 25 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6；pH 6.0
Resolution 2.25 Å R-free 0.273

This page presents structural evidence recorded in PDB/mmCIF.“No recorded non-water small molecule” does not prove that the experimental sample was ligand-free; experimental conditions belong to the PDB experiment, while ligands and copy counts are shown for each biological assembly.