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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：G1U6N2 New Search
10PDB entries
10Biological assembly
10chain/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
3JAG Structure of a mammalian ribosomal termination complex with ABCE1, eRF1(AAQ), and the UAA stop codon Deposited 2015-06-10 Assembly 1 Protein–RNA Heteromer；Protein × 80 PDB declaration: 87-meric（87） Consistent with all polymers
Chain s 5–202（198 aa）
Not recorded MG MAGNESIUM ION × 195 ZN ZINC ION × 8 SF4 IRON/SULFUR CLUSTER × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 2 ELECTRON MICROSCOPY
cryo-EM buffer 50 mM HEPES, 100 mM potassium acetate, 5 mM magnesium acetate, 1 mM DTT；pH 7.4；50 mM HEPES, 100 mM potassium acetate, 5 mM magnesium acetate, 1 mM DTT
cryo-EM vitrification conditions After 30 second wait time, blot for 3 seconds before plunging；Cryogen ETHANE；After 30 second wait time, blot for 3 seconds before plunging into liquid ethane (FEI VITROBOT MARK III).
Resolution 3.65 Å
3JAH Structure of a mammalian ribosomal termination complex with ABCE1, eRF1(AAQ), and the UAG stop codon Deposited 2015-06-10 Assembly 1 Protein–RNA Heteromer；Protein × 80 PDB declaration: 87-meric（87） Consistent with all polymers
Chain s 5–202（198 aa）
Not recorded MG MAGNESIUM ION × 195 ZN ZINC ION × 8 SF4 IRON/SULFUR CLUSTER × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 2 ELECTRON MICROSCOPY
cryo-EM buffer 50 mM HEPES, 100 mM potassium acetate, 5 mM magnesium acetate, 1 mM DTT；pH 7.4；50 mM HEPES, 100 mM potassium acetate, 5 mM magnesium acetate, 1 mM DTT
cryo-EM vitrification conditions After 30 second wait time, blot for 3 seconds before plunging；Cryogen ETHANE；After 30 second wait time, blot for 3 seconds before plunging into liquid ethane (FEI VITROBOT MARK III).
Resolution 3.45 Å
3JAI Structure of a mammalian ribosomal termination complex with ABCE1, eRF1(AAQ), and the UGA stop codon Deposited 2015-06-10 Assembly 1 Protein–RNA Heteromer；Protein × 80 PDB declaration: 87-meric（87） Consistent with all polymers
Chain s 5–202（198 aa）
Not recorded MG MAGNESIUM ION × 195 ZN ZINC ION × 8 SF4 IRON/SULFUR CLUSTER × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 2 ELECTRON MICROSCOPY
cryo-EM buffer 50 mM HEPES, 100 mM potassium acetate, 5 mM magnesium acetate, 1 mM DTT；pH 7.4；50 mM HEPES, 100 mM potassium acetate, 5 mM magnesium acetate, 1 mM DTT
cryo-EM vitrification conditions After 30 second wait time, blot for 3 seconds before plunging；Cryogen ETHANE；After 30 second wait time, blot for 3 seconds before plunging into liquid ethane (FEI VITROBOT MARK III).
Resolution 3.65 Å
6FTG Subtomogram average of OST-containing ribosome-translocon complexes from canine rough microsomal membranes Deposited 2018-02-22 Assembly 1 Protein–RNA Heteromer；Protein × 55 PDB declaration: 58-meric（58） Review required
Chain s 5–202（198 aa）
Not recorded MG MAGNESIUM ION × 159 ZN ZINC ION × 5 9UB [(2~{S},3~{R},4~{R},5~{S},6~{R})-3-acetamido-6-(hydroxymethyl)-4,5-bis(oxidanyl)oxan-2-yl]methyl-[oxidanyl-[(2~{Z},6~{Z},10~{Z})-3,7,11,15-tetramethylhexadeca-2,6,10,14-tetraenoxy]phosphoryl]oxy-phosphinic acid × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE；Blot 3 seconds before plunging.
Resolution 9.10 Å
6FTI Cryo-EM Structure of the Mammalian Oligosaccharyltransferase Bound to Sec61 and the Programmed 80S Ribosome Deposited 2018-02-22 Assembly 1 Protein–RNA Heteromer；Protein × 56 PDB declaration: 60-meric（60） Review required
Chain s 5–202（198 aa）
Not recorded MG MAGNESIUM ION × 159 ZN ZINC ION × 5 9UB [(2~{S},3~{R},4~{R},5~{S},6~{R})-3-acetamido-6-(hydroxymethyl)-4,5-bis(oxidanyl)oxan-2-yl]methyl-[oxidanyl-[(2~{Z},6~{Z},10~{Z})-3,7,11,15-tetramethylhexadeca-2,6,10,14-tetraenoxy]phosphoryl]oxy-phosphinic acid × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.20 Å
6FTJ Cryo-EM Structure of the Mammalian Oligosaccharyltransferase Bound to Sec61 and the Non-programmed 80S Ribosome Deposited 2018-02-22 Assembly 1 Protein–RNA Heteromer；Protein × 55 PDB declaration: 58-meric（58） Review required
Chain s 5–202（198 aa）
Not recorded MG MAGNESIUM ION × 159 ZN ZINC ION × 5 9UB [(2~{S},3~{R},4~{R},5~{S},6~{R})-3-acetamido-6-(hydroxymethyl)-4,5-bis(oxidanyl)oxan-2-yl]methyl-[oxidanyl-[(2~{Z},6~{Z},10~{Z})-3,7,11,15-tetramethylhexadeca-2,6,10,14-tetraenoxy]phosphoryl]oxy-phosphinic acid × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.70 Å
6R5Q Structure of XBP1u-paused ribosome nascent chain complex (post-state) Deposited 2019-03-25 Assembly 1 Protein–RNA Heteromer；Protein × 78 PDB declaration: 85-meric（85） Consistent with all polymers
Chain s 5–200（196 aa）
Not recorded MG MAGNESIUM ION × 299 ZN ZINC ION × 6 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
6R6G Structure of XBP1u-paused ribosome nascent chain complex with SRP. Deposited 2019-03-27 Assembly 1 Protein–RNA Heteromer；Protein × 84 PDB declaration: 92-meric（92） Consistent with all polymers
Chain s 5–200（196 aa）
Not recorded MG MAGNESIUM ION × 299 ZN ZINC ION × 5 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.70 Å
6R6P Structure of XBP1u-paused ribosome nascent chain complex (rotated state) Deposited 2019-03-27 Assembly 1 Protein–RNA Heteromer；Protein × 78 PDB declaration: 85-meric（85） Consistent with all polymers
Chain s 5–202（198 aa）
Not recorded MG MAGNESIUM ION × 159 ZN ZINC ION × 5 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
6R7Q Structure of XBP1u-paused ribosome nascent chain complex with Sec61. Deposited 2019-03-29 Assembly 1 Protein–RNA Heteromer；Protein × 81 PDB declaration: 88-meric（88） Consistent with all polymers
Chain s 5–200（196 aa）
Not recorded ZN ZINC ION × 6 MG MAGNESIUM ION × 299 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.90 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.