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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：P74909 New Search
17PDB entries
26Biological assembly
26chain/assembly records
Main Difference Dimensions in This Set
Different construct 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
1BXY CRYSTAL STRUCTURE OF RIBOSOMAL PROTEIN L30 FROM THERMUS THERMOPHILUS AT 1.9 A RESOLUTION: CONFORMATIONAL FLEXIBILITY OF THE MOLECULE. Deposited 1998-10-09 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–60（60 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.5；pH 7.5
Resolution 1.90 Å R-free 0.253
1BXY CRYSTAL STRUCTURE OF RIBOSOMAL PROTEIN L30 FROM THERMUS THERMOPHILUS AT 1.9 A RESOLUTION: CONFORMATIONAL FLEXIBILITY OF THE MOLECULE. Deposited 1998-10-09 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 1–60（60 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.5；pH 7.5
Resolution 1.90 Å R-free 0.253
4V42 Crystal structure of the ribosome at 5.5 A resolution. Deposited 2001-03-30 Assembly 1 Insufficient information Heteromer；Protein × 42 PDB declaration: 49-meric（49） Consistent with all polymers
Chain BX 1–60（60 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 5.50 Å
4V4P Crystal structure of 70S ribosome with thrS operator and tRNAs. Deposited 2005-01-19 Assembly 1 Protein–RNA Heteromer；Protein × 52 PDB declaration: 58-meric（58） Consistent with all polymers
Chain AX 0–59（60 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；MPD, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 5.50 Å R-free 0.356
4V4R Crystal structure of the whole ribosomal complex. Deposited 2005-09-30 Assembly 1 Protein–RNA Heteromer；Protein × 50 PDB declaration: 56-meric（56） Consistent with all polymers
Chain B3 0–59（60 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.7；277 K；PEG20k, MES buffer, magnesium acetate, potassium chloride, ammonium chloride, pH 6.7, VAPOR DIFFUSION, temperature 277K
Resolution 5.90 Å R-free 0.371
4V4S Crystal structure of the whole ribosomal complex. Deposited 2005-10-12 Assembly 1 Protein–RNA Heteromer；Protein × 50 PDB declaration: 56-meric（56） Consistent with all polymers
Chain B3 0–59（60 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.7；277 K；PEG20k, MES buffer, magnesium acetate, potassium chloride, ammonium chloride, pH 6.7, VAPOR DIFFUSION, temperature 277K
Resolution 6.76 Å R-free 0.356
4V4T Crystal structure of the whole ribosomal complex with a stop codon in the A-site. Deposited 2005-10-12 Assembly 1 Protein–RNA Heteromer；Protein × 49 PDB declaration: 55-meric（55） Consistent with all polymers
Chain B3 0–59（60 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.7；277 K；PEG20k, MES buffer, magnesium acetate, potassium chloride, ammonium chloride, pH 6.7, VAPOR DIFFUSION, temperature 277K
Resolution 6.46 Å R-free 0.361
4V4X Crystal structure of the 70S Thermus thermophilus ribosome showing how the 16S 3'-end mimicks mRNA E and P codons. Deposited 2006-06-27 Assembly 1 Protein–RNA Heteromer；Protein × 50 PDB declaration: 55-meric（55） Consistent with all polymers
Chain B2 0–59（60 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；MPD, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 5.00 Å R-free 0.323
4V4Y Crystal structure of the 70S Thermus thermophilus ribosome with translocated and rotated Shine-Dalgarno Duplex. Deposited 2006-06-27 Assembly 1 Protein–RNA Heteromer；Protein × 50 PDB declaration: 57-meric（57） Consistent with all polymers
Chain B2 0–59（60 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；MPD, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 5.50 Å R-free 0.326
4V4Z 70S Thermus thermophilous ribosome functional complex with mRNA and E- and P-site tRNAs at 4.5A. Deposited 2006-06-27 Assembly 1 Protein–RNA Heteromer；Protein × 50 PDB declaration: 56-meric（56） Consistent with all polymers
Chain B2 0–59（60 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；293 K；MPD, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 4.51 Å R-free 0.345
4WR6 Complex of 70S ribosome with tRNA-Tyr and mRNA with A-A mismatch in the first position in the A-site. Deposited 2014-10-23 Assembly 1 Protein–RNA Heteromer；Protein × 47 PDB declaration: 54-MERIC（54） Consistent with all polymers
Chain L8 1–60（60 aa）
Not recorded MG MAGNESIUM ION × 652 ZN ZINC ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；298 K；Tris-acetate, KSCN, PEG 550MME, PEG 20K
Resolution 3.05 Å R-free 0.249
4WR6 Complex of 70S ribosome with tRNA-Tyr and mRNA with A-A mismatch in the first position in the A-site. Deposited 2014-10-23 Assembly 2 Protein–RNA Heteromer；Protein × 47 PDB declaration: 54-MERIC（54） Consistent with all polymers
Chain H5 1–60（60 aa）
Not recorded MG MAGNESIUM ION × 508 ZN ZINC ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；298 K；Tris-acetate, KSCN, PEG 550MME, PEG 20K
Resolution 3.05 Å R-free 0.249
4WZD Complex of 70S ribosome with cognate tRNA-Tyr in the P-site Deposited 2014-11-19 Assembly 1 Protein–RNA Heteromer；Protein × 49 PDB declaration: 55-meric（55） Consistent with all polymers
Chain L8 1–60（60 aa）
Not recorded MG MAGNESIUM ION × 699 ZN ZINC ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；298 K；Tris-acetate, KSCN, PEG 550MME, PEG 20K
Resolution 3.10 Å R-free 0.193
4WZD Complex of 70S ribosome with cognate tRNA-Tyr in the P-site Deposited 2014-11-19 Assembly 2 Protein–RNA Heteromer；Protein × 49 PDB declaration: 55-meric（55） Consistent with all polymers
Chain H5 1–60（60 aa）
Not recorded MG MAGNESIUM ION × 646 ZN ZINC ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；298 K；Tris-acetate, KSCN, PEG 550MME, PEG 20K
Resolution 3.10 Å R-free 0.193
6C5L Conformation of methylated GGQ in the Peptidyl Transferase Center during translation termination (T. thermophilus) Deposited 2018-01-16 Assembly 1 Protein–RNA Heteromer；Protein × 53 PDB declaration: 59-meric（59） Consistent with all polymers
Chain B3 1–60（60 aa）
Not recorded MG MAGNESIUM ION × 218 ZN ZINC ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；292 K；5 mM HEPES, pH 7.5, 10 mM magnesium acetate, 50 mM potassium chloride, 10 mM ammonium chloride, 6 mM BME
Resolution 3.20 Å R-free 0.247
6C5L Conformation of methylated GGQ in the Peptidyl Transferase Center during translation termination (T. thermophilus) Deposited 2018-01-16 Assembly 2 Protein–RNA Heteromer；Protein × 53 PDB declaration: 59-meric（59） Consistent with all polymers
Chain D3 1–60（60 aa）
Not recorded MG MAGNESIUM ION × 256 ZN ZINC ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；292 K；5 mM HEPES, pH 7.5, 10 mM magnesium acetate, 50 mM potassium chloride, 10 mM ammonium chloride, 6 mM BME
Resolution 3.20 Å R-free 0.247
6CFJ Crystal structure of the Thermus thermophilus 70S ribosome in complex with histidyl-CAM and bound to mRNA and A-, P-, and E-site tRNAs at 2.8A resolution Deposited 2018-02-15 Assembly 1 Protein–RNA Heteromer；Protein × 49 PDB declaration: 56-meric（56） Consistent with all polymers
Chain 13 1–60（60 aa）
Not recorded MG MAGNESIUM ION × 1492 K POTASSIUM ION × 2 EZG N-[(1R,2R)-1,3-dihydroxy-1-(4-nitrophenyl)propan-2-yl]-L-histidinamide × 1 ZN ZINC ION × 6 SF4 IRON/SULFUR CLUSTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7.6；292 K；0.1-0.2 M Arginine-HCl, 0.1M Tris-HCl pH 7.6, 2.5% PEG-20K, 7-12% MPD, 0.5 mM BME
Resolution 2.80 Å R-free 0.269
6CFJ Crystal structure of the Thermus thermophilus 70S ribosome in complex with histidyl-CAM and bound to mRNA and A-, P-, and E-site tRNAs at 2.8A resolution Deposited 2018-02-15 Assembly 2 Protein–RNA Heteromer；Protein × 49 PDB declaration: 56-meric（56） Consistent with all polymers
Chain 23 1–60（60 aa）
Not recorded MG MAGNESIUM ION × 1113 K POTASSIUM ION × 2 EZG N-[(1R,2R)-1,3-dihydroxy-1-(4-nitrophenyl)propan-2-yl]-L-histidinamide × 1 ZN ZINC ION × 6 SF4 IRON/SULFUR CLUSTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7.6；292 K；0.1-0.2 M Arginine-HCl, 0.1M Tris-HCl pH 7.6, 2.5% PEG-20K, 7-12% MPD, 0.5 mM BME
Resolution 2.80 Å R-free 0.269
6CFK Crystal structure of the Thermus thermophilus 70S ribosome in complex with D-histidyl-CAM and bound to protein Y (YfiA) at 2.7A resolution Deposited 2018-02-15 Assembly 1 Protein–RNA Heteromer；Protein × 50 PDB declaration: 53-meric（53） Consistent with all polymers
Chain 13 1–60（60 aa）
Not recorded MG MAGNESIUM ION × 1422 K POTASSIUM ION × 1 EZP N-[(1R,2R)-1,3-dihydroxy-1-(4-nitrophenyl)propan-2-yl]-D-histidinamide × 1 MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 4 ARG ARGININE × 2 ZN ZINC ION × 6 SF4 IRON/SULFUR CLUSTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7.6；292 K；0.1-0.2 M Arginine-HCl, 0.1M Tris-HCl pH 7.6, 2.5% PEG-20K, 7-12% MPD, 0.5 mM BME
Resolution 2.70 Å R-free 0.253
6CFK Crystal structure of the Thermus thermophilus 70S ribosome in complex with D-histidyl-CAM and bound to protein Y (YfiA) at 2.7A resolution Deposited 2018-02-15 Assembly 2 Protein–RNA Heteromer；Protein × 50 PDB declaration: 53-meric（53） Consistent with all polymers
Chain 23 1–60（60 aa）
Not recorded MG MAGNESIUM ION × 940 K POTASSIUM ION × 1 EZP N-[(1R,2R)-1,3-dihydroxy-1-(4-nitrophenyl)propan-2-yl]-D-histidinamide × 1 MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 3 ZN ZINC ION × 6 SF4 IRON/SULFUR CLUSTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7.6；292 K；0.1-0.2 M Arginine-HCl, 0.1M Tris-HCl pH 7.6, 2.5% PEG-20K, 7-12% MPD, 0.5 mM BME
Resolution 2.70 Å R-free 0.253
6CFL Crystal structure of the Thermus thermophilus 70S ribosome in complex with lysyl-CAM and bound to protein Y (YfiA) at 2.6A resolution Deposited 2018-02-15 Assembly 1 Protein–RNA Heteromer；Protein × 50 PDB declaration: 53-meric（53） Consistent with all polymers
Chain 13 1–60（60 aa）
Not recorded MG MAGNESIUM ION × 1474 K POTASSIUM ION × 1 EZM N-[(1R,2R)-1,3-dihydroxy-1-(4-nitrophenyl)propan-2-yl]-L-lysinamide × 1 MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 4 ARG ARGININE × 2 ZN ZINC ION × 6 SF4 IRON/SULFUR CLUSTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7.6；292 K；0.1-0.2 M Arginine-HCl, 0.1M Tris-HCl pH 7.6, 2.5% PEG-20K, 7-12% MPD, 0.5 mM BME
Resolution 2.60 Å R-free 0.252
6CFL Crystal structure of the Thermus thermophilus 70S ribosome in complex with lysyl-CAM and bound to protein Y (YfiA) at 2.6A resolution Deposited 2018-02-15 Assembly 2 Protein–RNA Heteromer；Protein × 50 PDB declaration: 53-meric（53） Consistent with all polymers
Chain 23 1–60（60 aa）
Not recorded MG MAGNESIUM ION × 955 K POTASSIUM ION × 1 EZM N-[(1R,2R)-1,3-dihydroxy-1-(4-nitrophenyl)propan-2-yl]-L-lysinamide × 1 MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 3 ZN ZINC ION × 6 SF4 IRON/SULFUR CLUSTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7.6；292 K；0.1-0.2 M Arginine-HCl, 0.1M Tris-HCl pH 7.6, 2.5% PEG-20K, 7-12% MPD, 0.5 mM BME
Resolution 2.60 Å R-free 0.252
6N9E Crystal structure of the Thermus thermophilus 70S ribosome in complex with a short substrate mimic CC-Pmn and bound to mRNA and P-site tRNA at 3.7A resolution Deposited 2018-12-03 Assembly 1 Protein–RNA Heteromer；Protein × 49 PDB declaration: 55-meric（55） Consistent with all polymers
Chain 13 1–60（60 aa）
Not recorded MG MAGNESIUM ION × 632 ZN ZINC ION × 6 SF4 IRON/SULFUR CLUSTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7.6；292 K；0.1-0.2 M Arginine-HCl, 0.1M Tris-HCl pH 7.6, 2.5% PEG-20K, 7-12% MPD, 0.5 mM BME
Resolution 3.70 Å R-free 0.278
6N9E Crystal structure of the Thermus thermophilus 70S ribosome in complex with a short substrate mimic CC-Pmn and bound to mRNA and P-site tRNA at 3.7A resolution Deposited 2018-12-03 Assembly 2 Protein–RNA Heteromer；Protein × 49 PDB declaration: 55-meric（55） Consistent with all polymers
Chain 23 1–60（60 aa）
Not recorded MG MAGNESIUM ION × 524 ZN ZINC ION × 6 SF4 IRON/SULFUR CLUSTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7.6；292 K；0.1-0.2 M Arginine-HCl, 0.1M Tris-HCl pH 7.6, 2.5% PEG-20K, 7-12% MPD, 0.5 mM BME
Resolution 3.70 Å R-free 0.278
6N9F Crystal structure of the Thermus thermophilus 70S ribosome in complex with a short substrate mimic ACCA-DPhe and bound to mRNA and P-site tRNA at 3.7A resolution Deposited 2018-12-03 Assembly 1 Protein–RNA Heteromer；Protein × 49 PDB declaration: 55-meric（55） Consistent with all polymers
Chain 13 1–60（60 aa）
Not recorded MG MAGNESIUM ION × 710 ZN ZINC ION × 6 SF4 IRON/SULFUR CLUSTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7.6；292 K；0.1-0.2 M Arginine-HCl, 0.1M Tris-HCl pH 7.6, 2.5% PEG-20K, 7-12% MPD, 0.5 mM BME
Resolution 3.70 Å R-free 0.279
6N9F Crystal structure of the Thermus thermophilus 70S ribosome in complex with a short substrate mimic ACCA-DPhe and bound to mRNA and P-site tRNA at 3.7A resolution Deposited 2018-12-03 Assembly 2 Protein–RNA Heteromer；Protein × 49 PDB declaration: 55-meric（55） Consistent with all polymers
Chain 23 1–60（60 aa）
Not recorded MG MAGNESIUM ION × 629 ZN ZINC ION × 6 SF4 IRON/SULFUR CLUSTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7.6；292 K；0.1-0.2 M Arginine-HCl, 0.1M Tris-HCl pH 7.6, 2.5% PEG-20K, 7-12% MPD, 0.5 mM BME
Resolution 3.70 Å R-free 0.279

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.