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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：P26441 New Search
2PDB entries
3Biological assembly
5chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics

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
1CNT CILIARY NEUROTROPHIC FACTOR Deposited 1996-06-06 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain 1 1–187（187 aa）
Chain 4 1–187（187 aa）
Mutation：13 C-TERMINAL RESIDUES DELETED IN THIS CONSTRUCT Mutation：13 C-TERMINAL RESIDUES DELETED IN THIS CONSTRUCT SO4 SULFATE ION × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.40 Å R-free 0.247
1CNT CILIARY NEUROTROPHIC FACTOR Deposited 1996-06-06 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain 2 1–187（187 aa）
Chain 3 1–187（187 aa）
Mutation：13 C-TERMINAL RESIDUES DELETED IN THIS CONSTRUCT Mutation：13 C-TERMINAL RESIDUES DELETED IN THIS CONSTRUCT SO4 SULFATE ION × 2 YB YTTERBIUM (III) ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.40 Å R-free 0.247
8D74 Cryo-EM structure of human CNTF signaling complex: model containing the interaction core region Deposited 2022-06-07 Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain D 1–186（186 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 6 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.03 Å

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.