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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：C0LT38 New Search
5PDB entries
7Biological assembly
34chain/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
4FQK Influenza B/Brisbane/60/2008 hemagglutinin Fab CR8059 complex Deposited 2012-06-25 Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: dodecameric（12） Consistent with protein count
Chain A 16–362（347 aa） Fragment：UNP residues 16-362
Chain B 363–538（176 aa） Fragment：UNP residues 363-538
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.5；295 K；0.8 M sodium phosphate monobasic, 1.2 M potassium phosphate dibasic, 0.1 M sodium acetate, pH 4.5, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 5.65 Å R-free 0.324
4FQK Influenza B/Brisbane/60/2008 hemagglutinin Fab CR8059 complex Deposited 2012-06-25 Assembly 2 Other combination Heteromer；Protein × 12 PDB declaration: dodecameric（12） Consistent with protein count
Chain C 16–362（347 aa） Fragment：UNP residues 16-362
Chain D 363–538（176 aa） Fragment：UNP residues 363-538
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.5；295 K；0.8 M sodium phosphate monobasic, 1.2 M potassium phosphate dibasic, 0.1 M sodium acetate, pH 4.5, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 5.65 Å R-free 0.324
4FQM Structure of B/Brisbane/60/2008 Influenza Hemagglutinin Deposited 2012-06-25 Assembly 1 Other combination Homooligomer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 16–362（347 aa） Fragment：UNP residues 16-362
Chain B 363–538（176 aa） Fragment：UNP residues 363-538
Chain C 16–362（347 aa） Fragment：UNP residues 16-362
Chain D 363–538（176 aa） Fragment：UNP residues 363-538
Chain E 16–362（347 aa） Fragment：UNP residues 16-362
Chain F 363–538（176 aa） Fragment：UNP residues 363-538
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 10 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 9.5；295 K；20% PEG3350, 160 mM sodium fluoride, 20 mM Tris, pH 9.5, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.45 Å R-free 0.268
4FQM Structure of B/Brisbane/60/2008 Influenza Hemagglutinin Deposited 2012-06-25 Assembly 2 Other combination Homooligomer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain G 16–362（347 aa） Fragment：UNP residues 16-362
Chain H 363–538（176 aa） Fragment：UNP residues 363-538
Chain I 16–362（347 aa） Fragment：UNP residues 16-362
Chain J 363–538（176 aa） Fragment：UNP residues 363-538
Chain K 16–362（347 aa） Fragment：UNP residues 16-362
Chain L 363–538（176 aa） Fragment：UNP residues 363-538
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 7 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 9.5；295 K；20% PEG3350, 160 mM sodium fluoride, 20 mM Tris, pH 9.5, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Resolution 3.45 Å R-free 0.268
9X5W B/Brisbane/60/2008 HA in complex with BP-1A Deposited 2025-10-14 Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: dodecameric（12） Consistent with protein count
Chain A 1–362（362 aa）
Chain B 363–550（188 aa）
Chain C 1–362（362 aa）
Chain D 363–550（188 aa）
Chain E 1–362（362 aa）
Chain F 363–550（188 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 9 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.76 Å
9X5X B/Brisbane/60/2008 HA in complex with FV2DP1-1B Deposited 2025-10-14 Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: dodecameric（12） Consistent with protein count
Chain A 1–362（362 aa）
Chain B 363–550（188 aa）
Chain C 1–362（362 aa）
Chain D 363–550（188 aa）
Chain E 1–362（362 aa）
Chain F 363–550（188 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 12 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.76 Å
9X5Y B/Brisbane/60/2008 HA in complex with BO-6B Deposited 2025-10-14 Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: dodecameric（12） Consistent with protein count
Chain A 1–362（362 aa）
Chain B 363–550（188 aa）
Chain E 1–362（362 aa）
Chain F 363–550（188 aa）
Chain G 1–362（362 aa）
Chain I 363–550（188 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 9 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.65 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.