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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：F1SHP6 New Search
11PDB entries
11Biological assembly
11chain/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
4CE4 39S large subunit of the porcine mitochondrial ribosome Deposited 2013-11-08 Assembly 1 Protein–RNA Heteromer；Protein × 36 PDB declaration: 38-meric（38） Consistent with all polymers
Chain c 69–337（269 aa）
Not recorded ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer 20 MM HEPES-KOH PH 7.9, 100 MM KCL, 1 MM DTT, 20 MM MGCL2；pH 7.9；20 MM HEPES-KOH PH 7.9, 100 MM KCL, 1 MM DTT, 20 MM MGCL2
cryo-EM vitrification conditions Cryogen ETHANE；MANUAL BLOTTING FOLLOWED BY MANUAL PLUNGING INTO LIQUID ETHANE
Resolution 4.90 Å
6GAW Unique features of mammalian mitochondrial translation initiation revealed by cryo-EM. This file contains the complete 55S ribosome. Deposited 2018-04-13 Assembly 1 Protein–RNA Heteromer；Protein × 90 PDB declaration: 95-meric（95） Consistent with all polymers
Chain Bc 1–334（334 aa）
Not recorded MG MAGNESIUM ION × 326 ZN ZINC ION × 6 5GP GUANOSINE-5'-MONOPHOSPHATE × 2 SPM SPERMINE × 3 GSP 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE × 1 NA SODIUM ION × 1 FME N-FORMYLMETHIONINE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
6GB2 Unique features of mammalian mitochondrial translation initiation revealed by cryo-EM. This file contains the 39S ribosomal subunit. Deposited 2018-04-13 Assembly 1 Protein–RNA Heteromer；Protein × 59 PDB declaration: 62-meric（62） Consistent with all polymers
Chain Bc 1–334（334 aa）
Not recorded MG MAGNESIUM ION × 216 ZN ZINC ION × 3 5GP GUANOSINE-5'-MONOPHOSPHATE × 2 SPM SPERMINE × 2 GSP 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE × 1 NA SODIUM ION × 1 FME N-FORMYLMETHIONINE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
6YDP 55S mammalian mitochondrial ribosome with mtEFG1 and P site fMet-tRNAMet (POST) Deposited 2020-03-20 Assembly 1 Protein–RNA Heteromer；Protein × 89 PDB declaration: 94-meric（94） Consistent with all polymers
Chain Bc 1–334（334 aa）
Not recorded MG MAGNESIUM ION × 326 ZN ZINC ION × 6 SPM SPERMINE × 3 FME N-FORMYLMETHIONINE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 5GP GUANOSINE-5'-MONOPHOSPHATE × 2 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.00 Å
6YDW 55S mammalian mitochondrial ribosome with mtEFG1 and two tRNAMet (TI-POST) Deposited 2020-03-21 Assembly 1 Protein–RNA Heteromer；Protein × 89 PDB declaration: 95-meric（95） Consistent with all polymers
Chain Bc 1–334（334 aa）
Not recorded MG MAGNESIUM ION × 325 ZN ZINC ION × 6 SPM SPERMINE × 3 FME N-FORMYLMETHIONINE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 5GP GUANOSINE-5'-MONOPHOSPHATE × 1 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 4.20 Å
7NQH 55S mammalian mitochondrial ribosome with mtRF1a and P-site tRNAMet Deposited 2021-03-01 Assembly 1 Protein–RNA Heteromer；Protein × 88 PDB declaration: 93-meric（93） Consistent with all polymers
Chain Bc 1–334（334 aa）
Not recorded MG MAGNESIUM ION × 323 ZN ZINC ION × 6 SPM SPERMINE × 3 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 5GP GUANOSINE-5'-MONOPHOSPHATE × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.50 Å
7NQL 55S mammalian mitochondrial ribosome with ICT1 and P site tRNAMet Deposited 2021-03-01 Assembly 1 Protein–RNA Heteromer；Protein × 88 PDB declaration: 93-meric（93） Consistent with all polymers
Chain Bc 1–334（334 aa）
Not recorded ZN ZINC ION × 6 MG MAGNESIUM ION × 335 5GP GUANOSINE-5'-MONOPHOSPHATE × 2 SPM SPERMINE × 3 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.40 Å
7NSH 39S mammalian mitochondrial large ribosomal subunit with mtRRF (post) and mtEFG2 Deposited 2021-03-07 Assembly 1 Protein–RNA Heteromer；Protein × 59 PDB declaration: 61-meric（61） Consistent with all polymers
Chain Bc 1–334（334 aa）
Not recorded MG MAGNESIUM ION × 221 ZN ZINC ION × 3 5GP GUANOSINE-5'-MONOPHOSPHATE × 2 SPM SPERMINE × 2 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.20 Å
7NSJ 55S mammalian mitochondrial ribosome with tRNA(P/P) and tRNA(E*) Deposited 2021-03-07 Assembly 1 Protein–RNA Heteromer；Protein × 87 PDB declaration: 93-meric（93） Consistent with all polymers
Chain Bc 1–334（334 aa）
Not recorded MG MAGNESIUM ION × 324 ZN ZINC ION × 6 SPM SPERMINE × 3 5GP GUANOSINE-5'-MONOPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.90 Å
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 Bo 1–334（334 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
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 Bo 1–334（334 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

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.