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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：P01501 New Search
8PDB entries
10Biological assembly
16chain/assembly records
Main Difference Dimensions in This Set
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
1BH1 STRUCTURAL STUDIES OF D-PRO MELITTIN, NMR, 20 STRUCTURES Deposited 1998-06-11 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 44–69（26 aa）
Mutation：PRO 14 REPLACED WITH D-PRO Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 5.2；277 K；Ionic strength (raw mmCIF value) 2mM；Pressure 1
NMR sample composition METHANOL
Resolution not provided
2MLT MELITTIN Deposited 1990-10-04 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 44–69（26 aa）
Chain B 44–69（26 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) SO4 SULFATE ION × 4 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.00 Å
2MW6 Structure of the bee venom toxin melittin with [(C5H5)Ru]+ fragment attached to the tryptophan residue Deposited 2014-10-28 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 44–69（26 aa） Fragment：residues 44-69
Non-standard monomer：Yes (specific site not provided by mmCIF) 3UQ [(1,2,3,4,5-eta)-cyclopentadienyl][(1,2,3,4,4a,8a-eta)-naphthalene]ruthenium(1+) × 1 SOLUTION NMR
NMR measurement conditions pH 7；298 K；Pressure 1
NMR sample composition 6 mM Ru-melittin-1, CD3OH | CD3OH
Resolution not provided
3QRX Chlamydomonas reinhardtii centrin bound to melittin Deposited 2011-02-18 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 44–69（26 aa） Fragment：residues 44-69
Not recorded CA CALCIUM ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；2 L of the Crcen-MLT (1:1.5 molar ratio, 10mg/mL total) solution with 2 L of a precipitant solution containing 50 mM HEPES, pH 7.5, 0.2 M KCl, and 40% v/v pentaerythritol propoxylate (5/4 PO/OH), VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.20 Å R-free 0.341
3QRX Chlamydomonas reinhardtii centrin bound to melittin Deposited 2011-02-18 Assembly 2 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 44–69（26 aa） Fragment：residues 44-69
Not recorded CA CALCIUM ION × 8 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；2 L of the Crcen-MLT (1:1.5 molar ratio, 10mg/mL total) solution with 2 L of a precipitant solution containing 50 mM HEPES, pH 7.5, 0.2 M KCl, and 40% v/v pentaerythritol propoxylate (5/4 PO/OH), VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.20 Å R-free 0.341
6DST Recombinant melittin Deposited 2018-06-14 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 44–69（26 aa） Fragment：residues 44-69
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 7；298 K；Ionic strength (raw mmCIF value) 10；Pressure 1
NMR measurement conditions pH 7；285 K；Ionic strength (raw mmCIF value) 10；Pressure 1
NMR sample composition 0.05 mM [U-95% 13C; U-95% 15N] melittin, 10 % v/v [U-2H] glycerol, 10 mM potassium phosphate buffer, trifluoroethanol/water | trifluoroethanol/water
NMR sample composition 0.050 mM [U-95% 13C; U-95% 15N] Melittin, 10 mM potassium phosphate buffer, trifluoroethanol/water | trifluoroethanol/water
Resolution not provided
6O4M Racemic melittin Deposited 2019-02-28 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 44–69（26 aa） Fragment：residues 44-69
Chain D 44–69（26 aa） Fragment：residues 44-69
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) SO4 SULFATE ION × 8 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；0.05 M ammonium sulfate, 0.1 M BIS-TRIS pH = 6.5, 30% v/v pentaerythritol ethoxylate (15/4 EO/OH)
Resolution 1.27 Å R-free 0.235
6O4M Racemic melittin Deposited 2019-02-28 Assembly 2 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 44–69（26 aa） Fragment：residues 44-69
Chain B 44–69（26 aa） Fragment：residues 44-69
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) SO4 SULFATE ION × 10 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；298 K；0.05 M ammonium sulfate, 0.1 M BIS-TRIS pH = 6.5, 30% v/v pentaerythritol ethoxylate (15/4 EO/OH)
Resolution 1.27 Å R-free 0.235
8AHS Crystal structure of human Ca2+/Calmodulin in complex with melittin Deposited 2022-07-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 44–69（26 aa）
Not recorded CA CALCIUM ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.4；293 K；0.2M NaCl, 22w/v% PEG3350, 0.1M Bis-Tris, pH 5.4
Resolution 2.48 Å R-free 0.270
8AHT Crystal structure of Plasmodium falciparum Ca2+/Calmodulin in complex with melittin Deposited 2022-07-22 Assembly 4 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: dimeric（2） Review required
Chain F 44–69（26 aa）
Chain G 44–69（26 aa）
Chain H 44–69（26 aa）
Chain I 44–69（26 aa）
Not recorded CA CALCIUM ION × 8 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；293 K；0.25M NaCl, 30w/v% PEG3350, 0.1M Bis-Tris buffer, pH 6.0
Resolution 2.20 Å R-free 0.266

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.