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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：P49675 New Search
3PDB entries
7Biological assembly
10chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state Different ligand/ion 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
3P0L Human steroidogenic acute regulatory protein Deposited 2010-09-29 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 66–284（219 aa） Fragment：START domain, UNP residues 66-284
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.5；277 K；200 mM Ca-acetate, 40 % PEG-300, 100 mM Na-Cacodylate, pH 6.5, VAPOR DIFFUSION, temperature 277K
Resolution 3.40 Å R-free 0.287
3P0L Human steroidogenic acute regulatory protein Deposited 2010-09-29 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 66–284（219 aa） Fragment：START domain, UNP residues 66-284
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.5；277 K；200 mM Ca-acetate, 40 % PEG-300, 100 mM Na-Cacodylate, pH 6.5, VAPOR DIFFUSION, temperature 277K
Resolution 3.40 Å R-free 0.287
3P0L Human steroidogenic acute regulatory protein Deposited 2010-09-29 Assembly 3 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain C 66–284（219 aa） Fragment：START domain, UNP residues 66-284
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.5；277 K；200 mM Ca-acetate, 40 % PEG-300, 100 mM Na-Cacodylate, pH 6.5, VAPOR DIFFUSION, temperature 277K
Resolution 3.40 Å R-free 0.287
3P0L Human steroidogenic acute regulatory protein Deposited 2010-09-29 Assembly 4 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain D 66–284（219 aa） Fragment：START domain, UNP residues 66-284
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.5；277 K；200 mM Ca-acetate, 40 % PEG-300, 100 mM Na-Cacodylate, pH 6.5, VAPOR DIFFUSION, temperature 277K
Resolution 3.40 Å R-free 0.287
5OMA CH3 chimera of human 14-3-3 sigma with the StARD1 peptide including Ser57 Deposited 2017-07-28 Assembly 1 Insufficient information Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 54–62（9 aa）
Chain C 54–62（9 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) PO4 PHOSPHATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；0.1 M bis-Trispropane pH 6.5, 0.2 M ammonium sulfate, 25% PEG 3350
Resolution 3.90 Å R-free 0.248
5OMA CH3 chimera of human 14-3-3 sigma with the StARD1 peptide including Ser57 Deposited 2017-07-28 Assembly 2 Insufficient information Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 54–62（9 aa）
Chain D 54–62（9 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；0.1 M bis-Trispropane pH 6.5, 0.2 M ammonium sulfate, 25% PEG 3350
Resolution 3.90 Å R-free 0.248
6T5H Human 14-3-3 sigma fused to the StARD1 peptide including phosphoserine-57 Deposited 2019-10-16 Assembly 1 Insufficient information Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 54–62（9 aa）
Chain B 54–62（9 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) PGE TRIETHYLENE GLYCOL × 3 IMD IMIDAZOLE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.5；279 K；0.09 M NPS mix (0.3 M sodium nitrate, 0.3 M sodium phosphate dibasic, 0.3 M ammonium sulfate), 0.1 M Buffer mix (1.0 M Imidazole; MES), 25% v/v MPD; 25% polyethylene glycol 1000; 25% w/v polyethylene glycol 3350, pH 6.5
Resolution 2.04 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.