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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：Q92878 New Search
6PDB entries
6Biological assembly
12chain/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
5GOX Eukaryotic Rad50 Functions as A Rod-shaped Dimer Deposited 2016-07-30 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 585–766（182 aa） Fragment：UNP residues 585-766
Chain B 585–766（182 aa） Fragment：UNP residues 585-766
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) GOL GLYCEROL × 3 ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.7；291 K；28 - 30% PEG 600, 0.1 M bis-tris propane, 3% 1, 6-hexanediol, 5 mM DTT
Resolution 2.40 Å R-free 0.271
9Q9H Cryo-EM structure of human Mre11-Rad50 complex bound to DNA Deposited 2025-02-26 Assembly 1 Protein–DNA Heteromer；Protein × 4 PDB declaration: hexameric（6） Consistent with all polymers
Chain A 1–1312（1312 aa）
Chain B 1–1312（1312 aa）
Not recorded MG MAGNESIUM ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 2 BEF BERYLLIUM TRIFLUORIDE ION × 2 MN MANGANESE (II) ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；25mM Hepes-NaOH, pH 7.5, 150 mM NaCl, 1 mM DTT, 1 mM ATP, 1mM BeF3, 5 mM MgCl2, 1 mM MnCl2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.11 Å
9Q9I Cryo-EM structure of human Mre11-Rad50-Nbs1 complex bound to DNA Deposited 2025-02-26 Assembly 1 Protein–DNA Heteromer；Protein × 5 PDB declaration: heptameric（7） Consistent with all polymers
Chain A 1–1312（1312 aa）
Chain B 1–1312（1312 aa）
Not recorded MG MAGNESIUM ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 2 BEF BERYLLIUM TRIFLUORIDE ION × 2 MN MANGANESE (II) ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；25mM Hepes-NaOH, pH 7.5, 150 mM NaCl, 1 mM DTT, 1 mM ATP, 1mM BeF3, 5 mM MgCl2, 1 mM MnCl2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.79 Å
9Q9J Cryo-EM structure of human Mre11-Rad50-Nbs1 (MRN) complex bound to DNA and telomeric factor TRF2 fragment (438-542) Deposited 2025-02-26 Assembly 1 Protein–DNA Heteromer；Protein × 6 PDB declaration: octameric（8） Consistent with all polymers
Chain A 1–1312（1312 aa）
Chain B 1–1312（1312 aa）
Not recorded MG MAGNESIUM ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 2 BEF BERYLLIUM TRIFLUORIDE ION × 2 MN MANGANESE (II) ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；25mM Hepes-NaOH, pH 7.5, 150 mM NaCl, 1 mM DTT, 1 mM ATP, 1mM BeF3, 5 mM MgCl2, 1 mM MnCl2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.71 Å
9Q9K Cryo-EM structure of human Mre11-Rad50 (MR) complex bound to DNA and telomeric factor TRF2 fragment (438-542) Deposited 2025-02-26 Assembly 1 Protein–DNA Heteromer；Protein × 6 PDB declaration: octameric（8） Consistent with all polymers
Chain A 1–1312（1312 aa）
Chain B 1–1312（1312 aa）
Not recorded ADP ADENOSINE-5'-DIPHOSPHATE × 2 MG MAGNESIUM ION × 2 BEF BERYLLIUM TRIFLUORIDE ION × 2 MN MANGANESE (II) ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；25mM Hepes-NaOH, pH 7.5, 150 mM NaCl, 1 mM DTT, 1 mM ATP, 1mM BeF3, 5 mM MgCl2, 1 mM MnCl2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.59 Å
9Q9M Cryo-EM structure of human Mre11-Rad50-Nbs1 (MRN) complex bound to DNA and telomeric factor TRF2 Deposited 2025-02-26 Assembly 1 Protein–DNA Heteromer；Protein × 6 PDB declaration: octameric（8） Consistent with all polymers
Chain A 1–1312（1312 aa）
Chain B 1–1312（1312 aa）
Not recorded MG MAGNESIUM ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 2 BEF BERYLLIUM TRIFLUORIDE ION × 2 MN MANGANESE (II) ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；25mM Hepes-NaOH, pH 7.5, 150 mM NaCl, 1 mM DTT, 1 mM ATP, 1mM BeF3, 5 mM MgCl2, 1 mM MnCl2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.81 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.