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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：Q29495 New Search
7PDB entries
9Biological assembly
11chain/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
1B6B MELATONIN BIOSYNTHESIS: THE STRUCTURE OF SEROTONIN N-ACETYLTRANSFERASE AT 2.5 A RESOLUTION SUGGESTS A CATALYTIC MECHANISM Deposited 1999-01-13 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 28–201（174 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；pH 6.5
Resolution 2.50 Å R-free 0.282
1B6B MELATONIN BIOSYNTHESIS: THE STRUCTURE OF SEROTONIN N-ACETYLTRANSFERASE AT 2.5 A RESOLUTION SUGGESTS A CATALYTIC MECHANISM Deposited 1999-01-13 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 28–201（174 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；pH 6.5
Resolution 2.50 Å R-free 0.282
1CJW SEROTONIN N-ACETYLTRANSFERASE COMPLEXED WITH A BISUBSTRATE ANALOG Deposited 1999-04-19 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 30–195（166 aa）
Not recorded COT COA-S-ACETYL TRYPTAMINE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；pH 6.5
Resolution 1.80 Å R-free 0.230
1IB1 CRYSTAL STRUCTURE OF THE 14-3-3 ZETA:SEROTONIN N-ACETYLTRANSFERASE COMPLEX Deposited 2001-03-26 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain E 2–201（200 aa）
Chain F 2–201（200 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) COT COA-S-ACETYL TRYPTAMINE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；277 K；PEG 4000, magnesium chloride, lithium sulfate, DTT, EDTA, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.70 Å R-free 0.228
1IB1 CRYSTAL STRUCTURE OF THE 14-3-3 ZETA:SEROTONIN N-ACETYLTRANSFERASE COMPLEX Deposited 2001-03-26 Assembly 2 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain G 2–201（200 aa）
Chain H 2–201（200 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) COT COA-S-ACETYL TRYPTAMINE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；277 K；PEG 4000, magnesium chloride, lithium sulfate, DTT, EDTA, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.70 Å R-free 0.228
1KUV X-ray Crystallographic Studies of Serotonin N-acetyltransferase Catalysis and Inhibition Deposited 2002-01-22 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–207（207 aa）
Mutation：MET substituted by Se-met MG MAGNESIUM ION × 1 CA5 COA-S-ACETYL 5-BROMOTRYPTAMINE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277 K；PEG 2000, MPD, ammonium sulfate, MES pH 6.5, magnesium acetate, DTT, spermidine, and lithium chloride. VAPOR DIFFUSION, HANGING DROP at 277K, temperature 277.0K
Resolution 2.00 Å R-free 0.250
1KUX X-ray Crystallographic Studies of Serotonin N-acetyltransferase Catalysis and Inhibition Deposited 2002-01-22 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–207（207 aa）
Mutation：MET substituted by Se-met CA3 COA-S-TRIMETHYLENE-ACETYL-TRYPTAMINE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277 K；PEG 2000, MPD, ammonium sulfate, MES pH 6.5, magnesium acetate, DTT, spermidine, and lithium chloride. pH 6.5, VAPOR DIFFUSION, HANGING DROP at 277K, temperature 277.0K
Resolution 1.80 Å R-free 0.225
1KUY X-ray Crystallographic Studies of Serotonin N-acetyltransferase Catalysis and Inhibition Deposited 2002-01-22 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–207（207 aa）
Mutation：MET substituted by Se-met COT COA-S-ACETYL TRYPTAMINE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277 K；PEG 2000, MPD, ammonium sulfate, MES pH 6.5, magnesium acetate, DTT, spermidine, and lithium chloride. VAPOR DIFFUSION, HANGING DROP at 277K, temperature 277.0K
Resolution 2.40 Å R-free 0.276
1L0C Investigation of the Roles of Catalytic Residues in Serotonin N-Acetyltransferase Deposited 2002-02-08 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–207（207 aa）
Mutation：Y168F COT COA-S-ACETYL TRYPTAMINE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；277 K；PEG 2000, MPD, MES pH 6.5, ammonium acetate, magnesium acetate, lithium chloride, spermidine, DTT, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.30 Å R-free 0.246

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.