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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：O75570 New Search
6PDB entries
6Biological assembly
6chain/assembly records
Main Difference Dimensions in This Set
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
8OIN 55S mammalian mitochondrial ribosome with mtRF1 and P-site tRNA Deposited 2023-03-23 Assembly 1 Protein–RNA Heteromer；Protein × 88 PDB declaration: 94-meric（94） Consistent with all polymers
Chain Aa 1–445（445 aa）
Not recorded MG MAGNESIUM ION × 332 K POTASSIUM ION × 41 PHE PHENYLALANINE × 1 ZN ZINC ION × 3 FES FE2/S2 (INORGANIC) CLUSTER × 3 SPM SPERMINE × 1 SPD SPERMIDINE × 1 FME N-FORMYLMETHIONINE × 1 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20mM HEPES-KOH pH=7.5, 100mM KCl, 20mM MgCl2, ~1% sucrose (from mtRF1 storage buffer)
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.60 Å
8OIP 28S mammalian mitochondrial small ribosomal subunit with mtRF1 and P-site tRNA Deposited 2023-03-23 Assembly 1 Protein–RNA Heteromer；Protein × 33 PDB declaration: 36-meric（36） Consistent with all polymers
Chain Aa 1–445（445 aa）
Not recorded MG MAGNESIUM ION × 127 SPM SPERMINE × 1 SPD SPERMIDINE × 1 K POTASSIUM ION × 11 ZN ZINC ION × 1 FS2 FE-S-O HYBRID CLUSTER × 2 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20mM HEPES-KOH pH=7.5, 100mM KCl, 20mM MgCl2, ~1% sucrose (from mtRF1 storage buffer)
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.60 Å
8OIQ 39S mammalian mitochondrial large ribosomal subunit with mtRF1 and P-site tRNA Deposited 2023-03-23 Assembly 1 Protein–RNA Heteromer；Protein × 58 PDB declaration: 62-meric（62） Consistent with all polymers
Chain Aa 1–445（445 aa）
Not recorded MG MAGNESIUM ION × 205 K POTASSIUM ION × 30 PHE PHENYLALANINE × 1 ZN ZINC ION × 2 FES FE2/S2 (INORGANIC) CLUSTER × 1 FME N-FORMYLMETHIONINE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；20mM HEPES-KOH pH=7.5, 100mM KCl, 20mM MgCl2, ~1% sucrose (from mtRF1 storage buffer)
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.50 Å
8OIR 55S human mitochondrial ribosome with mtRF1 and P-site tRNA Deposited 2023-03-23 Assembly 1 Protein–RNA Heteromer；Protein × 88 PDB declaration: 94-meric（94） Consistent with all polymers
Chain Aa 1–445（445 aa）
Mutation：311GGQ313 > AAQ K POTASSIUM ION × 51 MG MAGNESIUM ION × 354 VAL VALINE × 1 ZN ZINC ION × 3 FS2 FE-S-O HYBRID CLUSTER × 3 MET METHIONINE × 1 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.10 Å
8OIS 28S human mitochondrial small ribosomal subunit with mtRF1 and P-site tRNA Deposited 2023-03-23 Assembly 1 Protein–RNA Heteromer；Protein × 33 PDB declaration: 36-meric（36） Consistent with all polymers
Chain Aa 1–445（445 aa）
Mutation：311GGQ313 > AAQ K POTASSIUM ION × 17 MG MAGNESIUM ION × 126 MET METHIONINE × 1 ZN ZINC ION × 1 FS2 FE-S-O HYBRID CLUSTER × 2 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.00 Å
8OIT 39S human mitochondrial large ribosomal subunit with mtRF1 and P-site tRNA Deposited 2023-03-23 Assembly 1 Protein–RNA Heteromer；Protein × 58 PDB declaration: 62-meric（62） Consistent with all polymers
Chain Aa 1–445（445 aa）
Mutation：311GGQ313 > AAQ K POTASSIUM ION × 34 MG MAGNESIUM ION × 228 VAL VALINE × 1 ZN ZINC ION × 2 FS2 FE-S-O HYBRID CLUSTER × 1 MET METHIONINE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 2.90 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.