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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：P0A6N1 New Search
14PDB entries
25Biological assembly
43chain/assembly records
Main Difference Dimensions in This Set
Different construct 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
1D8T CRYSTAL STRUCTURE OF ELONGATION FACTOR, TU (EF-TU-MGGDP) COMPLEXED WITH GE2270A, A THIAZOLYL PEPTIDE ANTIBIOTIC Deposited 1999-10-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–393（393 aa）
Not recorded MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 ACT ACETATE ION × 19 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.6；TRIS-HCL, MAGNESIUM CHLORIDE, GDP, POLYETHYLENE GLYCOL 3350, AMMONIUM ACETATE, AMMONIUM CITRATE, PH 7.6, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293.K
Resolution 2.35 Å R-free 0.246
1D8T CRYSTAL STRUCTURE OF ELONGATION FACTOR, TU (EF-TU-MGGDP) COMPLEXED WITH GE2270A, A THIAZOLYL PEPTIDE ANTIBIOTIC Deposited 1999-10-25 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 1–393（393 aa）
Not recorded MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 ACT ACETATE ION × 11 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.6；TRIS-HCL, MAGNESIUM CHLORIDE, GDP, POLYETHYLENE GLYCOL 3350, AMMONIUM ACETATE, AMMONIUM CITRATE, PH 7.6, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293.K
Resolution 2.35 Å R-free 0.246
1DG1 WHOLE, UNMODIFIED, EF-TU(ELONGATION FACTOR TU). Deposited 1999-11-22 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain G 1–394（394 aa）
Chain H 1–394（394 aa）
Not recorded MG MAGNESIUM ION × 2 GDP GUANOSINE-5'-DIPHOSPHATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 5.75；298 K；PEG 3350, ammonium citrate, ammonium acetate, pH 5.75, VAPOR DIFFUSION, temperature 298.0K
Resolution 2.50 Å R-free 0.259
1EFC INTACT ELONGATION FACTOR FROM E.COLI Deposited 1998-11-24 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 2–394（393 aa）
Not recorded MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.5；pH 7.5
Resolution 2.05 Å R-free 0.268
1EFC INTACT ELONGATION FACTOR FROM E.COLI Deposited 1998-11-24 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 2–394（393 aa）
Not recorded MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.5；pH 7.5
Resolution 2.05 Å R-free 0.268
1EFU ELONGATION FACTOR COMPLEX EF-TU/EF-TS FROM ESCHERICHIA COLI Deposited 1996-07-09 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 9–393（385 aa）
Chain C 9–393（385 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.7；pH 7.7
Resolution 2.50 Å R-free 0.283
1ETU STRUCTURAL DETAILS OF THE BINDING OF GUANOSINE DIPHOSPHATE TO ELONGATION FACTOR TU FROM E. COLI AS STUDIED BY X-RAY CRYSTALLOGRAPHY Deposited 1988-01-15 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–392（392 aa）
Not recorded MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.90 Å
1LS2 Fitting of EF-Tu and tRNA in the Low Resolution Cryo-EM Map of an EF-Tu Ternary Complex (GDP and Kirromycin) Bound to E. coli 70S Ribosome Deposited 2002-05-16 Assembly 1 Protein–RNA Monomer；Protein × 1 PDB declaration: dimeric（2） Consistent with all polymers
Chain A 1–393（393 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer Hepes-KOH buffer at pH 7.5；pH 7.5；Hepes-KOH buffer at pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE；Rapid-freezing in liquid ethane
Resolution 16.80 Å
1QZD EF-Tu.kirromycin coordinates fitted into the cryo-EM map of EF-Tu ternary complex (GDP.Kirromycin) bound 70S ribosome Deposited 2003-09-16 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–393（393 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer Polymix buffer；pH 7.5；Polymix buffer
cryo-EM vitrification conditions Cryogen ETHANE；Rapid-freezing in liquid ethane
Resolution 10.00 Å
2BVN E. coli EF-Tu:GDPNP in complex with the antibiotic enacyloxin IIa Deposited 2005-06-30 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–393（393 aa）
Not recorded GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 MG MAGNESIUM ION × 1 ENX ENACYLOXIN IIA × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.8；292 K；2 MICROL PROTEIN SOLUTION MIXED WITH 1 MICROL RESERVOIR SOLUTION (450 MM NACL. 22% PEG6000, 6% GLYCEROL, 7 MM MGCL2, 100 MM TRIS-HCL PH 7.5), SITTING DROP 19 DEG. C
Resolution 2.30 Å R-free 0.271
2BVN E. coli EF-Tu:GDPNP in complex with the antibiotic enacyloxin IIa Deposited 2005-06-30 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 1–393（393 aa）
Not recorded GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 MG MAGNESIUM ION × 1 ENX ENACYLOXIN IIA × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.8；292 K；2 MICROL PROTEIN SOLUTION MIXED WITH 1 MICROL RESERVOIR SOLUTION (450 MM NACL. 22% PEG6000, 6% GLYCEROL, 7 MM MGCL2, 100 MM TRIS-HCL PH 7.5), SITTING DROP 19 DEG. C
Resolution 2.30 Å R-free 0.271
2HCJ Trypsin-modified Elongation Factor Tu in complex with tetracycline Deposited 2006-06-16 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 8–44（37 aa） Fragment：EF-Tu fragment, residues 8-44
Chain B 59–393（335 aa） Fragment：EF-Tu fragment, residues 59-393
Non-standard monomer：Yes (specific site not provided by mmCIF) MG MAGNESIUM ION × 1 SO4 SULFATE ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 NA SODIUM ION × 3 TAC TETRACYCLINE × 1 GLV GLYOXYLIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；VAPOR DIFFUSION, SITTING DROP
Resolution 2.12 Å R-free 0.234
2HDN Trypsin-modified Elongation Factor Tu in complex with tetracycline at 2.8 Angstrom resolution Deposited 2006-06-20 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 8–44（37 aa） Fragment：EF-Tu fragment, residues 8-44
Chain B 59–393（335 aa） Fragment：EF-Tu fragment, residues 59-393
Not recorded MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 TAC TETRACYCLINE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；Multiple crystals were used to collect the native and each derivative data set. VAPOR DIFFUSION, SITTING DROP
Resolution 2.80 Å R-free 0.223
2HDN Trypsin-modified Elongation Factor Tu in complex with tetracycline at 2.8 Angstrom resolution Deposited 2006-06-20 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 8–44（37 aa） Fragment：EF-Tu fragment, residues 8-44
Chain D 59–393（335 aa） Fragment：EF-Tu fragment, residues 59-393
Not recorded MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 TAC TETRACYCLINE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；Multiple crystals were used to collect the native and each derivative data set. VAPOR DIFFUSION, SITTING DROP
Resolution 2.80 Å R-free 0.223
2HDN Trypsin-modified Elongation Factor Tu in complex with tetracycline at 2.8 Angstrom resolution Deposited 2006-06-20 Assembly 3 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain E 8–44（37 aa） Fragment：EF-Tu fragment, residues 8-44
Chain F 59–393（335 aa） Fragment：EF-Tu fragment, residues 59-393
Not recorded MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 TAC TETRACYCLINE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；Multiple crystals were used to collect the native and each derivative data set. VAPOR DIFFUSION, SITTING DROP
Resolution 2.80 Å R-free 0.223
2HDN Trypsin-modified Elongation Factor Tu in complex with tetracycline at 2.8 Angstrom resolution Deposited 2006-06-20 Assembly 4 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain G 8–44（37 aa） Fragment：EF-Tu fragment, residues 8-44
Chain H 59–393（335 aa） Fragment：EF-Tu fragment, residues 59-393
Not recorded MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 TAC TETRACYCLINE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；Multiple crystals were used to collect the native and each derivative data set. VAPOR DIFFUSION, SITTING DROP
Resolution 2.80 Å R-free 0.223
2HDN Trypsin-modified Elongation Factor Tu in complex with tetracycline at 2.8 Angstrom resolution Deposited 2006-06-20 Assembly 5 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain I 8–44（37 aa） Fragment：EF-Tu fragment, residues 8-44
Chain J 59–393（335 aa） Fragment：EF-Tu fragment, residues 59-393
Not recorded MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 TAC TETRACYCLINE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；Multiple crystals were used to collect the native and each derivative data set. VAPOR DIFFUSION, SITTING DROP
Resolution 2.80 Å R-free 0.223
2HDN Trypsin-modified Elongation Factor Tu in complex with tetracycline at 2.8 Angstrom resolution Deposited 2006-06-20 Assembly 6 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain K 8–44（37 aa） Fragment：EF-Tu fragment, residues 8-44
Chain L 59–393（335 aa） Fragment：EF-Tu fragment, residues 59-393
Not recorded MG MAGNESIUM ION × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 TAC TETRACYCLINE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；Multiple crystals were used to collect the native and each derivative data set. VAPOR DIFFUSION, SITTING DROP
Resolution 2.80 Å R-free 0.223
2HDN Trypsin-modified Elongation Factor Tu in complex with tetracycline at 2.8 Angstrom resolution Deposited 2006-06-20 Assembly 7 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 8–44（37 aa） Fragment：EF-Tu fragment, residues 8-44
Chain B 59–393（335 aa） Fragment：EF-Tu fragment, residues 59-393
Chain C 8–44（37 aa） Fragment：EF-Tu fragment, residues 8-44
Chain D 59–393（335 aa） Fragment：EF-Tu fragment, residues 59-393
Not recorded MG MAGNESIUM ION × 2 GDP GUANOSINE-5'-DIPHOSPHATE × 2 TAC TETRACYCLINE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；Multiple crystals were used to collect the native and each derivative data set. VAPOR DIFFUSION, SITTING DROP
Resolution 2.80 Å R-free 0.223
2HDN Trypsin-modified Elongation Factor Tu in complex with tetracycline at 2.8 Angstrom resolution Deposited 2006-06-20 Assembly 8 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain I 8–44（37 aa） Fragment：EF-Tu fragment, residues 8-44
Chain J 59–393（335 aa） Fragment：EF-Tu fragment, residues 59-393
Chain K 8–44（37 aa） Fragment：EF-Tu fragment, residues 8-44
Chain L 59–393（335 aa） Fragment：EF-Tu fragment, residues 59-393
Not recorded MG MAGNESIUM ION × 2 GDP GUANOSINE-5'-DIPHOSPHATE × 2 TAC TETRACYCLINE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；Multiple crystals were used to collect the native and each derivative data set. VAPOR DIFFUSION, SITTING DROP
Resolution 2.80 Å R-free 0.223
2HDN Trypsin-modified Elongation Factor Tu in complex with tetracycline at 2.8 Angstrom resolution Deposited 2006-06-20 Assembly 9 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain E 8–44（37 aa） Fragment：EF-Tu fragment, residues 8-44
Chain F 59–393（335 aa） Fragment：EF-Tu fragment, residues 59-393
Chain G 8–44（37 aa） Fragment：EF-Tu fragment, residues 8-44
Chain H 59–393（335 aa） Fragment：EF-Tu fragment, residues 59-393
Not recorded MG MAGNESIUM ION × 2 GDP GUANOSINE-5'-DIPHOSPHATE × 2 TAC TETRACYCLINE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；Multiple crystals were used to collect the native and each derivative data set. VAPOR DIFFUSION, SITTING DROP
Resolution 2.80 Å R-free 0.223
3EP2 Model of Phe-tRNA(Phe) in the ribosomal pre-accommodated state revealed by cryo-EM Deposited 2008-09-29 Assembly 1 Protein–RNA Heteromer；Protein × 3 PDB declaration: nonameric（9） Consistent with all polymers
Chain X 2–394（393 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 9.00 Å
3EQ3 Model of tRNA(Trp)-EF-Tu in the ribosomal pre-accommodated state revealed by cryo-EM Deposited 2008-09-30 Assembly 1 Protein–RNA Heteromer；Protein × 3 PDB declaration: nonameric（9） Consistent with all polymers
Chain X 2–394（393 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；HiFi buffer (50 mM Tris-HCl pH 7.5, 70mM NH4Cl, 30 mM KCl, 3.5 mM MgCl2, 0.5 mM spermidine, 8mM putrescine, 2 mM DTT, 3.5 mM MgCl2)
cryo-EM vitrification conditions Cryogen NITROGEN
Resolution 9.00 Å
3EQ4 Model of tRNA(Leu)-EF-Tu in the ribosomal pre-accommodated state revealed by cryo-EM Deposited 2008-09-30 Assembly 1 Protein–RNA Heteromer；Protein × 3 PDB declaration: nonameric（9） Consistent with all polymers
Chain X 2–394（393 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.3；Polymix buffer( 5 mM potassium phosphate (KH2PO4) pH 7.3, 5 mM NH4Cl, 95 mM KCl, 0.5 mM CaCl2, 8 mM putrescine, 1 mM spermidine, 1 mM DTE, 5 mM magnesium acetate)
cryo-EM vitrification conditions Cryogen NITROGEN
Resolution 12.00 Å
4V69 Ternary complex-bound E.coli 70S ribosome. Deposited 2008-12-11 Assembly 1 Protein–RNA Heteromer；Protein × 51 PDB declaration: 58-meric（58） Consistent with all polymers
Chain AZ 2–394（393 aa）
Not recorded GDP GUANOSINE-5'-DIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE；Vitrification using FEI Vitrobot; blot 3 seconds before plunging with an offset of -1mm
Resolution 6.70 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.