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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：Q46220 New Search
11PDB entries
12Biological assembly
12chain/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
1GIQ Crystal Structure of the Enzymatic Componet of Iota-Toxin from Clostridium Perfringens with NADH Deposited 2001-03-12 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 42–454（413 aa）
Not recorded NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions 277 K；PEG4000, NADH, temperature 277.0K
Resolution 1.80 Å R-free 0.250
1GIQ Crystal Structure of the Enzymatic Componet of Iota-Toxin from Clostridium Perfringens with NADH Deposited 2001-03-12 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 42–454（413 aa）
Not recorded NAI 1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions 277 K；PEG4000, NADH, temperature 277.0K
Resolution 1.80 Å R-free 0.250
1GIR CRYSTAL STRUCTURE OF THE ENZYMATIC COMPONET OF IOTA-TOXIN FROM CLOSTRIDIUM PERFRINGENS WITH NADPH Deposited 2001-03-12 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 42–454（413 aa）
Not recorded NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions 277 K；PEG4000, NADPH, temperature 277.0K
Resolution 2.10 Å R-free 0.248
3BUZ Crystal structure of ia-bTAD-actin complex Deposited 2008-01-04 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 42–454（413 aa）
Not recorded TAD BETA-METHYLENE-THIAZOLE-4-CARBOXYAMIDE-ADENINE DINUCLEOTIDE × 1 CA CALCIUM ION × 1 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 LAR LATRUNCULIN A × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277 K；20% PEG1000, 0.1M MES(pH6.5), VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.81 Å R-free 0.298
4GY2 Crystal structure of apo-Ia-actin complex Deposited 2012-09-05 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 42–454（413 aa）
Not recorded PO4 PHOSPHATE ION × 1 CA CALCIUM ION × 1 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 LAR LATRUNCULIN A × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277.13 K；18% PEG 1500, 0.1M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277.13K
Resolution 2.71 Å R-free 0.257
4H03 Crystal structure of NAD+-Ia-actin complex Deposited 2012-09-07 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 42–454（413 aa）
Not recorded NAD NICOTINAMIDE-ADENINE-DINUCLEOTIDE × 1 PO4 PHOSPHATE ION × 1 EDO 1,2-ETHANEDIOL × 48 CA CALCIUM ION × 1 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 LAR LATRUNCULIN A × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277.13 K；18% PEG1500, 0.1M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277.13K
Resolution 1.75 Å R-free 0.233
4H0T Crystal structure of Ia-ADPR-actin complex Deposited 2012-09-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 42–454（413 aa）
Not recorded PO4 PHOSPHATE ION × 1 EDO 1,2-ETHANEDIOL × 18 AR6 [(2R,3S,4R,5R)-5-(6-AMINOPURIN-9-YL)-3,4-DIHYDROXY-OXOLAN-2-YL]METHYL[HYDROXY-[[(2R,3S,4R,5S)-3,4,5-TRIHYDROXYOXOLAN-2-YL]METHOXY]PHOSPHORYL] HYDROGEN PHOSPHATE × 1 CA CALCIUM ION × 1 LAR LATRUNCULIN A × 1 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277.13 K；18% PEG1500, 0.1M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277.13K
Resolution 2.20 Å R-free 0.240
4H0V Crystal structure of NAD+-Ia(E378S)-actin complex Deposited 2012-09-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 42–454（413 aa）
Mutation：E378S NAD NICOTINAMIDE-ADENINE-DINUCLEOTIDE × 1 PO4 PHOSPHATE ION × 1 EDO 1,2-ETHANEDIOL × 39 CA CALCIUM ION × 1 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 LAR LATRUNCULIN A × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277.13 K；18% PEG1500, 0.1M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277.13K
Resolution 2.03 Å R-free 0.234
4H0X Crystal structure of NAD+-Ia(E380A)-actin complex Deposited 2012-09-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 42–454（413 aa）
Mutation：E380A NAD NICOTINAMIDE-ADENINE-DINUCLEOTIDE × 1 PO4 PHOSPHATE ION × 1 EDO 1,2-ETHANEDIOL × 22 CA CALCIUM ION × 1 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 LAR LATRUNCULIN A × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277.13 K；18% PEG1500, 0.1M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277.13K
Resolution 2.33 Å R-free 0.251
4H0Y Crystal structure of NAD+-Ia(E380S)-actin complex Deposited 2012-09-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 42–454（413 aa）
Mutation：E380S NAD NICOTINAMIDE-ADENINE-DINUCLEOTIDE × 1 PO4 PHOSPHATE ION × 1 EDO 1,2-ETHANEDIOL × 52 CA CALCIUM ION × 1 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 LAR LATRUNCULIN A × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277.13 K；18% PEG1500, 0.1M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277.13K
Resolution 1.94 Å R-free 0.233
6KLO Complex structure of Iota toxin enzymatic component (Ia) and binding component (Ib) pore with short stem Deposited 2019-07-30 Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain H 42–454（413 aa）
Not recorded CA CALCIUM ION × 14 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
6KLW Complex structure of Iota toxin enzymatic component (Ia) and binding component (Ib) pore with long stem Deposited 2019-07-30 Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain H 42–454（413 aa）
Not recorded CA CALCIUM ION × 14 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 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.