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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：P01495 New Search
5PDB entries
8Biological assembly
8chain/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
1CN2 SOLUTION STRUCTURE OF TOXIN 2 FROM CENTRUROIDES NOXIUS HOFFMANN, A BETA SCORPION NEUROTOXIN ACTING ON SODIUM CHANNELS, NMR, 15 STRUCTURES Deposited 1998-06-21 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 17–82（66 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 4；303 K；Pressure 1
NMR sample composition H2O/D2O
Resolution not provided
25IH Cryo-EM structure of human Nav1.6 in complex with Cn2 Deposited 2026-04-06 Assembly 1 Other combination Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain D 17–82（66 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 6 9Z9 (3beta,14beta,17beta,25R)-3-[4-methoxy-3-(methoxymethyl)butoxy]spirost-5-en × 1 PCW 1,2-DIOLEOYL-SN-GLYCERO-3-PHOSPHOCHOLINE × 5 Y01 CHOLESTEROL HEMISUCCINATE × 3 CLR CHOLESTEROL × 1 P5S O-[(R)-{[(2R)-2,3-bis(octadecanoyloxy)propyl]oxy}(hydroxy)phosphoryl]-L-serine × 1 LPE 1-O-OCTADECYL-SN-GLYCERO-3-PHOSPHOCHOLINE × 1 P3X (5E,17R,20S)-23-amino-20-hydroxy-14,20-dioxo-15,19,21-trioxa-20lambda~5~-phosphatricos-5-en-17-yl hexadecanoate × 1 PT5 [(2R)-1-octadecanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phospho ryl]oxy-propan-2-yl] (8Z)-icosa-5,8,11,14-tetraenoate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
2YBR Crystal structure of the human derived single chain antibody fragment (scFv) 9004G in complex with Cn2 toxin from the scorpion Centruroides noxius Hoffmann Deposited 2011-03-09 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 17–82（66 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 5.5；100 MM BIS-TRIS, PH 5.5, 25% PEG 3350 AND 200 MM (NH4)2SO4.
Resolution 2.55 Å R-free 0.247
2YBR Crystal structure of the human derived single chain antibody fragment (scFv) 9004G in complex with Cn2 toxin from the scorpion Centruroides noxius Hoffmann Deposited 2011-03-09 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain F 17–82（66 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 5.5；100 MM BIS-TRIS, PH 5.5, 25% PEG 3350 AND 200 MM (NH4)2SO4.
Resolution 2.55 Å R-free 0.247
2YBR Crystal structure of the human derived single chain antibody fragment (scFv) 9004G in complex with Cn2 toxin from the scorpion Centruroides noxius Hoffmann Deposited 2011-03-09 Assembly 3 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain I 17–82（66 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 5.5；100 MM BIS-TRIS, PH 5.5, 25% PEG 3350 AND 200 MM (NH4)2SO4.
Resolution 2.55 Å R-free 0.247
2YC1 Crystal structure of the human derived single chain antibody fragment (scFv) 9004G in complex with Cn2 toxin from the scorpion Centruroides noxius Hoffmann Deposited 2011-03-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 17–82（66 aa）
Not recorded GOL GLYCEROL × 4 X-RAY DIFFRACTION
X-ray crystallization conditions pH 5.6；1.4 M SODIUM / POTASSIUM PHOSPHATE PH 5.6
Resolution 1.90 Å R-free 0.212
2YC1 Crystal structure of the human derived single chain antibody fragment (scFv) 9004G in complex with Cn2 toxin from the scorpion Centruroides noxius Hoffmann Deposited 2011-03-10 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain F 17–82（66 aa）
Not recorded GOL GLYCEROL × 5 X-RAY DIFFRACTION
X-ray crystallization conditions pH 5.6；1.4 M SODIUM / POTASSIUM PHOSPHATE PH 5.6
Resolution 1.90 Å R-free 0.212
4V1D Ternary complex among two human derived single chain antibody fragments and Cn2 toxin from scorpion Centruroides noxius. Deposited 2014-09-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain C 17–82（66 aa） Fragment：UNP RESIDUES 17-82
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 8.5；0.1M SPG PH 8.5, 25%(W/V) PEG 1500
Resolution 3.10 Å R-free 0.229

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.