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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：P13487 New Search
6PDB entries
6Biological assembly
6chain/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
1BAH A TWO DISULFIDE DERIVATIVE OF CHARYBDOTOXIN WITH DISULFIDE 13-33 REPLACED BY TWO ALPHA-AMINOBUTYRIC ACIDS, NMR, 30 STRUCTURES Deposited 1996-06-06 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 2–37（36 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.3；278 K
Resolution not provided
1CMR NMR SOLUTION STRUCTURE OF A CHIMERIC PROTEIN, DESIGNED BY TRANSFERRING A FUNCTIONAL SNAKE BETA-HAIRPIN INTO A SCORPION ALPHA/BETA SCAFFOLD (PH 3.5, 20C), NMR, 18 STRUCTURES Deposited 1996-03-15 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 7–37（31 aa）
Mutation：R19K, K21W, M23D, N24H, K25R, K26G, R28I, Y30E No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 3.5；293 K
Resolution not provided
2CRD ANALYSIS OF SIDE-CHAIN ORGANIZATION ON A REFINED MODEL OF CHARYBDOTOXIN: STRUCTURAL AND FUNCTIONAL IMPLICATIONS Deposited 1993-02-17 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 2–37（36 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule SOLUTION NMR mmCIF provides none of the parsed conditions Resolution not provided
4JTA Crystal structure of Kv1.2-2.1 paddle chimera channel in complex with Charybdotoxin Deposited 2013-03-23 Assembly 2 Insufficient information Heteromer；Protein × 9 PDB declaration: nonameric（9） Consistent with protein count
Chain Y 23–59（37 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) NAP NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 4 K POTASSIUM ION × 12 PGW (1R)-2-{[(S)-{[(2S)-2,3-dihydroxypropyl]oxy}(hydroxy)phosphoryl]oxy}-1-[(hexadecanoyloxy)methyl]ethyl (9Z)-octadec-9-enoate × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.9；293 K；PEG 400, POTASSIUM CHLORIDE, TRIS , pH 8.9, vapor diffusion, hanging drop, temperature 293K
Resolution 2.50 Å R-free 0.236
4JTC Crystal structure of Kv1.2-2.1 paddle chimera channel in complex with Charybdotoxin in Cs+ Deposited 2013-03-23 Assembly 2 Insufficient information Heteromer；Protein × 9 PDB declaration: nonameric（9） Consistent with protein count
Chain Y 23–59（37 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) NAP NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 4 CS CESIUM ION × 16 PGW (1R)-2-{[(S)-{[(2S)-2,3-dihydroxypropyl]oxy}(hydroxy)phosphoryl]oxy}-1-[(hexadecanoyloxy)methyl]ethyl (9Z)-octadec-9-enoate × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.9；293 K；PEG 400, Cesium CHLORIDE, TRIS BUFFER, pH 8.9, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.56 Å R-free 0.262
4JTD Crystal structure of Kv1.2-2.1 paddle chimera channel in complex with Lys27Met mutant of Charybdotoxin Deposited 2013-03-23 Assembly 2 Insufficient information Heteromer；Protein × 9 PDB declaration: nonameric（9） Consistent with protein count
Chain Y 23–59（37 aa） Fragment：Charybdotoxin
Mutation：K27M Non-standard monomer：Yes (specific site not provided by mmCIF) NAP NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 4 K POTASSIUM ION × 16 PGW (1R)-2-{[(S)-{[(2S)-2,3-dihydroxypropyl]oxy}(hydroxy)phosphoryl]oxy}-1-[(hexadecanoyloxy)methyl]ethyl (9Z)-octadec-9-enoate × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.9；293 K；PEG 400, POTASSIUM CHLORIDE, TRIS , pH 8.9, vapor diffusion, hanging drop, temperature 293K
Resolution 2.54 Å R-free 0.235

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.