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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：P27907 New Search
5PDB entries
5Biological assembly
10chain/assembly records
Main Difference Dimensions in This Set
Different mutation/modification Different ligand/ion 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
1A4G INFLUENZA VIRUS B/BEIJING/1/87 NEURAMINIDASE COMPLEXED WITH ZANAMIVIR Deposited 1998-01-29 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 76–465（390 aa） Fragment：RESIDUES 76-465
Chain B 76–465（390 aa） Fragment：RESIDUES 76-465
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 CA CALCIUM ION × 6 ZMR ZANAMIVIR × 4 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.8；pH 7.8
Resolution 2.20 Å
1A4Q INFLUENZA VIRUS B/BEIJING/1/87 NEURAMINIDASE COMPLEXED WITH DIHYDROPYRAN-PHENETHYL-PROPYL-CARBOXAMIDE Deposited 1998-01-30 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 76–465（390 aa） Fragment：RESIDUES 76-465
Chain B 76–465（390 aa） Fragment：RESIDUES 76-465
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 CA CALCIUM ION × 6 DPC 5-ACETYLAMINO-4-AMINO-6-(PHENETHYL-PROPYL-CARBAMOYL)-5,6-DIHYDRO-4H-PYRAN-2-CARBOXYLIC ACID × 4 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.8；pH 7.8
Resolution 1.90 Å
1NSB THE 2.2 ANGSTROMS RESOLUTION CRYSTAL STRUCTURE OF INFLUENZA B NEURAMINIDASE AND ITS COMPLEX WITH SIALIC ACID Deposited 1991-08-08 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 76–465（390 aa）
Chain B 76–465（390 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 CA CALCIUM ION × 6 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.20 Å
1NSC INFLUENZA B VIRUS NEURAMINIDASE CAN SYNTHESIZE ITS OWN INHIBITOR Deposited 1993-05-24 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 76–465（390 aa）
Chain B 76–465（390 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 SIA N-acetyl-alpha-neuraminic acid × 4 CA CALCIUM ION × 6 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.70 Å
1NSD INFLUENZA B VIRUS NEURAMINIDASE CAN SYNTHESIZE ITS OWN INHIBITOR Deposited 1993-05-24 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 76–465（390 aa）
Chain B 76–465（390 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 CA CALCIUM ION × 6 DAN 2-DEOXY-2,3-DEHYDRO-N-ACETYL-NEURAMINIC ACID × 4 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.80 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.