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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：Q8NC60 New Search
5PDB entries
5Biological assembly
5chain/assembly records
Main Difference Dimensions in This Set
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
8CSP Human mitochondrial small subunit assembly intermediate (State A) Deposited 2022-05-13 Assembly 1 Protein–RNA Heteromer；Protein × 32 PDB declaration: 33-meric（33） Consistent with all polymers
Chain 9 1–698（698 aa）
Not recorded SF4 IRON/SULFUR CLUSTER × 1 SAM S-ADENOSYLMETHIONINE × 1 K POTASSIUM ION × 4 MG MAGNESIUM ION × 28 FES FE2/S2 (INORGANIC) CLUSTER × 2 ZN ZINC ION × 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
Resolution 2.66 Å
9G5B Assembly intermediate of human mitochondrial ribosome small subunit (State A) Deposited 2024-07-16 Assembly 1 Protein–RNA Heteromer；Protein × 31 PDB declaration: 32-meric（32） Consistent with all polymers
Chain 9 1–698（698 aa）
Not recorded MG MAGNESIUM ION × 12 ZN ZINC ION × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4；20mM HEPES-HCl, 100mM KCl, 20mM MgCl2, 0.02% DDM, 1mM PMSF, 1x protease-inhibitor mix, 0.5mM GMP-PNP
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
9H51 Assembly intermediate of human mitochondrial ribosome small subunit in complex with PUS1, METTL15 and RBFA(IN conformation) (state M1) Deposited 2024-10-22 Assembly 1 Protein–RNA Heteromer；Protein × 33 PDB declaration: 34-meric（34） Consistent with all polymers
Chain 9 1–698（698 aa）
Not recorded NAD NICOTINAMIDE-ADENINE-DINUCLEOTIDE × 1 SPM SPERMINE × 1 MG MAGNESIUM ION × 40 K POTASSIUM ION × 6 ZN ZINC ION × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 SAH S-ADENOSYL-L-HOMOCYSTEINE × 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
Resolution 3.10 Å
9H54 Assembly intermediate of human mitochondrial ribosome small subunit in complex with NOA1 and partial RBFA (state N2) Deposited 2024-10-22 Assembly 1 Protein–RNA Heteromer；Protein × 30 PDB declaration: 31-meric（31） Consistent with all polymers
Chain 9 1–698（698 aa）
Not recorded MG MAGNESIUM ION × 42 K POTASSIUM ION × 11 ZN ZINC ION × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
9H55 Assembly intermediate of human mitochondrial ribosome small subunit in complex with NOA1 and TFB1M (state N3) Deposited 2024-10-22 Assembly 1 Protein–RNA Heteromer；Protein × 31 PDB declaration: 32-meric（32） Consistent with all polymers
Chain 9 1–698（698 aa）
Not recorded MG MAGNESIUM ION × 41 K POTASSIUM ION × 10 ZN ZINC ION × 1 FES FE2/S2 (INORGANIC) CLUSTER × 2 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 GDP GUANOSINE-5'-DIPHOSPHATE × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 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.