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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：Q97ZE7 New Search
6PDB entries
14Biological assembly
14chain/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
1QZW Crystal structure of the complete core of archaeal SRP and implications for inter-domain communication Deposited 2003-09-18 Assembly 1 Protein–RNA Monomer；Protein × 1 PDB declaration: dimeric（2） Consistent with all polymers
Chain A 1–432（432 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.5；291 K；Ammonium sulphate, sodium chloride, sodium acetate, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Resolution 4.10 Å R-free 0.387
1QZW Crystal structure of the complete core of archaeal SRP and implications for inter-domain communication Deposited 2003-09-18 Assembly 2 Protein–RNA Monomer；Protein × 1 PDB declaration: dimeric（2） Consistent with all polymers
Chain C 1–432（432 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.5；291 K；Ammonium sulphate, sodium chloride, sodium acetate, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Resolution 4.10 Å R-free 0.387
1QZW Crystal structure of the complete core of archaeal SRP and implications for inter-domain communication Deposited 2003-09-18 Assembly 3 Protein–RNA Monomer；Protein × 1 PDB declaration: dimeric（2） Consistent with all polymers
Chain E 1–432（432 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.5；291 K；Ammonium sulphate, sodium chloride, sodium acetate, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Resolution 4.10 Å R-free 0.387
1QZW Crystal structure of the complete core of archaeal SRP and implications for inter-domain communication Deposited 2003-09-18 Assembly 4 Protein–RNA Monomer；Protein × 1 PDB declaration: dimeric（2） Consistent with all polymers
Chain G 1–432（432 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.5；291 K；Ammonium sulphate, sodium chloride, sodium acetate, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Resolution 4.10 Å R-free 0.387
1QZX Crystal structure of the complete core of archaeal SRP and implications for inter-domain communication Deposited 2003-09-18 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–432（432 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；PEG 8000, litium sulphate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Resolution 4.00 Å R-free 0.383
1QZX Crystal structure of the complete core of archaeal SRP and implications for inter-domain communication Deposited 2003-09-18 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 1–432（432 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；PEG 8000, litium sulphate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Resolution 4.00 Å R-free 0.383
3KL4 Recognition of a signal peptide by the signal recognition particle Deposited 2009-11-06 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 2–432（431 aa） Fragment：UNP residues 2-432
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 5.5；295 K；5-7 % PEG 4000, 100 mM Bis-Tris, 100 mM NaCl, 5-50 mM Mg(OAc)2, 2 % Polypropylene glycol P400. Crystals were obtained by seeding, pH 5.5, VAPOR DIFFUSION, temperature 295K
Resolution 3.50 Å R-free 0.322
3ZN8 Structural Basis of Signal Sequence Surveillance and Selection by the SRP-SR Complex Deposited 2013-02-13 Assembly 1 Protein–RNA Heteromer；Protein × 4 PDB declaration: pentameric（5） Consistent with all polymers
Chain M 307–431（125 aa） Fragment：M, RESIDUES 327-431
Not recorded MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer 50 MM HEPES-KOH, 100 MM KOAC, 8 MM MG(OAC)2, PH 7.5；pH 7.5；50 MM HEPES-KOH, 100 MM KOAC, 8 MM MG(OAC)2, PH 7.5
cryo-EM vitrification conditions Cryogen NITROGEN；THE GRIDS WERE PLUNGE FROZEN IN LIQUID ETHANE USING A FEI MARK IV VITRIFICATION ROBOT AFTER BLOTTING FOR 1 S AT RT AND 100 PER CENT RELATIVE HUMIDITY
Resolution 12.00 Å
5L3S Structure of the GTPase heterodimer of crenarchaeal SRP54 and FtsY Deposited 2016-05-24 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–292（292 aa）
Not recorded GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 2 MG MAGNESIUM ION × 2 5GP GUANOSINE-5'-MONOPHOSPHATE × 1 GOL GLYCEROL × 7 SO4 SULFATE ION × 5 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；100 mM MES pH 5.8, 1.26 M ammonium sulfate
Resolution 1.90 Å R-free 0.216
5L3S Structure of the GTPase heterodimer of crenarchaeal SRP54 and FtsY Deposited 2016-05-24 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 1–292（292 aa）
Not recorded GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 2 MG MAGNESIUM ION × 2 5GP GUANOSINE-5'-MONOPHOSPHATE × 1 GOL GLYCEROL × 3 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；100 mM MES pH 5.8, 1.26 M ammonium sulfate
Resolution 1.90 Å R-free 0.216
5L3S Structure of the GTPase heterodimer of crenarchaeal SRP54 and FtsY Deposited 2016-05-24 Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain E 1–292（292 aa）
Not recorded GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 2 MG MAGNESIUM ION × 2 5GP GUANOSINE-5'-MONOPHOSPHATE × 1 GOL GLYCEROL × 3 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；100 mM MES pH 5.8, 1.26 M ammonium sulfate
Resolution 1.90 Å R-free 0.216
5L3S Structure of the GTPase heterodimer of crenarchaeal SRP54 and FtsY Deposited 2016-05-24 Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain G 1–292（292 aa）
Not recorded GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 2 MG MAGNESIUM ION × 2 5GP GUANOSINE-5'-MONOPHOSPHATE × 1 GOL GLYCEROL × 5 SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；100 mM MES pH 5.8, 1.26 M ammonium sulfate
Resolution 1.90 Å R-free 0.216
5L3V Structure of the crenarchaeal SRP54 GTPase bound to GDP Deposited 2016-05-24 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–293（293 aa）
Not recorded GDP GUANOSINE-5'-DIPHOSPHATE × 1 SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0.1 M CHES pH 6.0, 15 % (w/v) PEG 8000, 0.2 M ammonium sulfate
Resolution 2.30 Å R-free 0.222
5L3V Structure of the crenarchaeal SRP54 GTPase bound to GDP Deposited 2016-05-24 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 1–293（293 aa）
Not recorded GDP GUANOSINE-5'-DIPHOSPHATE × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0.1 M CHES pH 6.0, 15 % (w/v) PEG 8000, 0.2 M ammonium sulfate
Resolution 2.30 Å R-free 0.222

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.