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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：P53721 New Search
3PDB entries
3Biological assembly
5chain/assembly records
Main Difference Dimensions in This Set
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
6LUL NMR structure and dynamics studies of yeast respiratory super-complex factor 2 in micelles Deposited 2020-01-29 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–224（224 aa）
Chain B 1–224（224 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 5；323 K；Ionic strength (raw mmCIF value) 25；Pressure 1
NMR sample composition 0.5 mM [U-99% 15N] Rcf2, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 0.5 mM 15N_2H Rcf2, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 0.5 mM 15N_2H_13C Rcf2, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 0.5 mM 15N_50%-2H_13C Rcf2, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 0.5 mM 15N_2H_13C-IVL Rcf2, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 0.5 mM 50% [13C, 15N] and 50% [12C, 14N] Rcf2, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 0.5 mM [13C, 15N] Rcf2, 90% H2O/10% D2O | 90% H2O/10% D2O
Resolution not provided
6T0B The III2-IV(5B)2 respiratory supercomplex from S. cerevisiae Deposited 2019-10-02 Assembly 1 Protein heterocomplex Heteromer；Protein × 46 PDB declaration: 46-meric（46） Consistent with protein count
Chain m 1–224（224 aa）
Chain z 1–224（224 aa）
Not recorded CDL CARDIOLIPIN × 8 PEF DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 26 HEM PROTOPORPHYRIN IX CONTAINING FE × 4 PCF 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 7 HEC HEME C × 2 FES FE2/S2 (INORGANIC) CLUSTER × 2 CU COPPER (II) ION × 2 HEA HEME-A × 4 CA CALCIUM ION × 2 MG MAGNESIUM ION × 2 CUA DINUCLEAR COPPER ION × 2 ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.2
cryo-EM vitrification conditions Cryogen ETHANE；3 microliter of sample applied to negatively glow discharged grid, blot force -10; blotting time 8.5 s
Resolution 2.80 Å
6T15 The III2-IV(5B)1 respiratory supercomplex from S. cerevisiae Deposited 2019-10-03 Assembly 1 Protein heterocomplex Heteromer；Protein × 33 PDB declaration: 33-meric（33） Consistent with protein count
Chain m 1–224（224 aa）
Not recorded PEF DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 18 HEM PROTOPORPHYRIN IX CONTAINING FE × 4 CDL CARDIOLIPIN × 7 PCF 1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINE × 6 HEC HEME C × 2 FES FE2/S2 (INORGANIC) CLUSTER × 2 CU COPPER (II) ION × 1 HEA HEME-A × 2 MG MAGNESIUM ION × 1 CUA DINUCLEAR COPPER ION × 1 ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.2
cryo-EM vitrification conditions Cryogen ETHANE；3 microliter of sample applied to negatively glow discharged grid, blot force -10; blotting time 8.5 s
Resolution 3.29 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.