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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：B3RHV0 New Search
20PDB entries
24Biological assembly
25chain/assembly records
Main Difference Dimensions in This Set
Different construct 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
4U3U Crystal structure of Cycloheximide bound to the yeast 80S ribosome Deposited 2014-07-22 Assembly 1 Protein–RNA Heteromer；Protein × 75 PDB declaration: 79-meric（79） Consistent with all polymers
Chain S1 2–255（254 aa）
Not recorded MG MAGNESIUM ION × 678 OHX osmium (III) hexammine × 558 ZN ZINC ION × 8 3HE 4-{(2R)-2-[(1S,3S,5S)-3,5-dimethyl-2-oxocyclohexyl]-2-hydroxyethyl}piperidine-2,6-dione × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；277 K；PEG 20K, KSCN, Mg Acetate, Tris-Acetate, Glycerol, Spermidine
Resolution 2.90 Å R-free 0.245
4U3U Crystal structure of Cycloheximide bound to the yeast 80S ribosome Deposited 2014-07-22 Assembly 2 Protein–RNA Heteromer；Protein × 79 PDB declaration: 83-meric（83） Consistent with all polymers
Chain s1 2–255（254 aa）
Not recorded MG MAGNESIUM ION × 730 OHX osmium (III) hexammine × 575 ZN ZINC ION × 8 3HE 4-{(2R)-2-[(1S,3S,5S)-3,5-dimethyl-2-oxocyclohexyl]-2-hydroxyethyl}piperidine-2,6-dione × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；277 K；PEG 20K, KSCN, Mg Acetate, Tris-Acetate, Glycerol, Spermidine
Resolution 2.90 Å R-free 0.245
4U4R Crystal structure of Lactimidomycin bound to the yeast 80S ribosome Deposited 2014-07-24 Assembly 1 Protein–RNA Heteromer；Protein × 75 PDB declaration: 79-meric（79） Consistent with all polymers
Chain S1 2–255（254 aa）
Not recorded MG MAGNESIUM ION × 678 OHX osmium (III) hexammine × 558 ZN ZINC ION × 8 3H3 4-{(2R,5S,6E)-2-hydroxy-5-methyl-7-[(2R,3S,4E,6Z,10E)-3-methyl-12-oxooxacyclododeca-4,6,10-trien-2-yl]-4-oxooct-6-en-1-yl}piperidine-2,6-dione × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；277 K；PEG 20K, KSCN, Mg Acetate, Tris-Acetate, Glycerol, Spermidine
Resolution 2.80 Å R-free 0.246
4U4R Crystal structure of Lactimidomycin bound to the yeast 80S ribosome Deposited 2014-07-24 Assembly 2 Protein–RNA Heteromer；Protein × 79 PDB declaration: 83-meric（83） Consistent with all polymers
Chain s1 2–255（254 aa）
Not recorded MG MAGNESIUM ION × 730 OHX osmium (III) hexammine × 575 ZN ZINC ION × 8 3H3 4-{(2R,5S,6E)-2-hydroxy-5-methyl-7-[(2R,3S,4E,6Z,10E)-3-methyl-12-oxooxacyclododeca-4,6,10-trien-2-yl]-4-oxooct-6-en-1-yl}piperidine-2,6-dione × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；277 K；PEG 20K, KSCN, Mg Acetate, Tris-Acetate, Glycerol, Spermidine
Resolution 2.80 Å R-free 0.246
5JUO Saccharomyces cerevisiae 80S ribosome bound with elongation factor eEF2-GDP-sordarin and Taura Syndrome Virus IRES, Structure I (fully rotated 40S subunit) Deposited 2016-05-10 Assembly 1 Protein–RNA Heteromer；Protein × 78 PDB declaration: 83-meric（83） Consistent with all polymers
Chain YA 1–255（255 aa）
Not recorded GDP GUANOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 1 SO1 [1R-(1.ALPHA.,3A.BETA.,4.BETA.,4A.BETA.,7.BETA.,7A.ALPHA.,8A.BETA.)]8A-[(6-DEOXY-4-O-METHYL-BETA-D-ALTROPYRANOSYLOXY)METHYL]-4-FORMYL-4,4A,5,6,7,7A,8,8A-OCTAHYDRO-7-METHYL-3-(1-METHYLETHYL)-1,4-METHANO-S-INDACENE-3A(1H)-CARBOXYLIC ACID × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.00 Å
5JUP Saccharomyces cerevisiae 80S ribosome bound with elongation factor eEF2-GDP-sordarin and Taura Syndrome Virus IRES, Structure II (mid-rotated 40S subunit) Deposited 2016-05-10 Assembly 1 Protein–RNA Heteromer；Protein × 78 PDB declaration: 83-meric（83） Consistent with all polymers
Chain YA 1–255（255 aa）
Not recorded GDP GUANOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 1 SO1 [1R-(1.ALPHA.,3A.BETA.,4.BETA.,4A.BETA.,7.BETA.,7A.ALPHA.,8A.BETA.)]8A-[(6-DEOXY-4-O-METHYL-BETA-D-ALTROPYRANOSYLOXY)METHYL]-4-FORMYL-4,4A,5,6,7,7A,8,8A-OCTAHYDRO-7-METHYL-3-(1-METHYLETHYL)-1,4-METHANO-S-INDACENE-3A(1H)-CARBOXYLIC ACID × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
5JUS Saccharomyces cerevisiae 80S ribosome bound with elongation factor eEF2-GDP-sordarin and Taura Syndrome Virus IRES, Structure III (mid-rotated 40S subunit) Deposited 2016-05-10 Assembly 1 Protein–RNA Heteromer；Protein × 78 PDB declaration: 83-meric（83） Consistent with all polymers
Chain YA 1–255（255 aa）
Not recorded GDP GUANOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 1 SO1 [1R-(1.ALPHA.,3A.BETA.,4.BETA.,4A.BETA.,7.BETA.,7A.ALPHA.,8A.BETA.)]8A-[(6-DEOXY-4-O-METHYL-BETA-D-ALTROPYRANOSYLOXY)METHYL]-4-FORMYL-4,4A,5,6,7,7A,8,8A-OCTAHYDRO-7-METHYL-3-(1-METHYLETHYL)-1,4-METHANO-S-INDACENE-3A(1H)-CARBOXYLIC ACID × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
Resolution 4.20 Å
5JUT Saccharomyces cerevisiae 80S ribosome bound with elongation factor eEF2-GDP-sordarin and Taura Syndrome Virus IRES, Structure IV (almost non-rotated 40S subunit) Deposited 2016-05-10 Assembly 1 Protein–RNA Heteromer；Protein × 78 PDB declaration: 83-meric（83） Consistent with all polymers
Chain YA 1–255（255 aa）
Not recorded GDP GUANOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 1 SO1 [1R-(1.ALPHA.,3A.BETA.,4.BETA.,4A.BETA.,7.BETA.,7A.ALPHA.,8A.BETA.)]8A-[(6-DEOXY-4-O-METHYL-BETA-D-ALTROPYRANOSYLOXY)METHYL]-4-FORMYL-4,4A,5,6,7,7A,8,8A-OCTAHYDRO-7-METHYL-3-(1-METHYLETHYL)-1,4-METHANO-S-INDACENE-3A(1H)-CARBOXYLIC ACID × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.00 Å
5JUU Saccharomyces cerevisiae 80S ribosome bound with elongation factor eEF2-GDP-sordarin and Taura Syndrome Virus IRES, Structure V (least rotated 40S subunit) Deposited 2016-05-10 Assembly 1 Protein–RNA Heteromer；Protein × 78 PDB declaration: 83-meric（83） Consistent with all polymers
Chain YA 1–255（255 aa）
Not recorded GDP GUANOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 1 SO1 [1R-(1.ALPHA.,3A.BETA.,4.BETA.,4A.BETA.,7.BETA.,7A.ALPHA.,8A.BETA.)]8A-[(6-DEOXY-4-O-METHYL-BETA-D-ALTROPYRANOSYLOXY)METHYL]-4-FORMYL-4,4A,5,6,7,7A,8,8A-OCTAHYDRO-7-METHYL-3-(1-METHYLETHYL)-1,4-METHANO-S-INDACENE-3A(1H)-CARBOXYLIC ACID × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.00 Å
5LYB Crystal structure of the S.cerevisiae 80S ribosome in complex with the A-site bound aminoacyl-tRNA analog ACCPmn Deposited 2016-09-26 Assembly 1 Protein–RNA Heteromer；Protein × 75 PDB declaration: 80-meric（80） Consistent with all polymers
Chain S1 20–235（216 aa）
Not recorded MG MAGNESIUM ION × 1026 OHX osmium (III) hexammine × 659 ZN ZINC ION × 8 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7；277 K；Tris-Acetate pH 7.0, KSCN, MgOAc2, glycerol, spermidine, PEG20K
Resolution 3.25 Å R-free 0.249
5LYB Crystal structure of the S.cerevisiae 80S ribosome in complex with the A-site bound aminoacyl-tRNA analog ACCPmn Deposited 2016-09-26 Assembly 2 Protein–RNA Heteromer；Protein × 79 PDB declaration: 84-meric（84） Consistent with all polymers
Chain s1 20–235（216 aa）
Not recorded MG MAGNESIUM ION × 1166 OHX osmium (III) hexammine × 686 ZN ZINC ION × 8 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 7；277 K；Tris-Acetate pH 7.0, KSCN, MgOAc2, glycerol, spermidine, PEG20K
Resolution 3.25 Å R-free 0.249
5NDV Crystal structure of Paromomycin bound to the yeast 80S ribosome Deposited 2017-03-09 Assembly 1 Protein–RNA Heteromer；Protein × 74 PDB declaration: 78-meric（78） Consistent with all polymers
Chain s1 20–235（216 aa）
Not recorded PAR PAROMOMYCIN × 40 MG MAGNESIUM ION × 1006 ZN ZINC ION × 8 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；PEG 20K, KSCN, Mg Acetate, Tris-Acetate, Glycerol, Spermidine
Resolution 3.30 Å R-free 0.250
5NDV Crystal structure of Paromomycin bound to the yeast 80S ribosome Deposited 2017-03-09 Assembly 2 Protein–RNA Heteromer；Protein × 74 PDB declaration: 78-meric（78） Consistent with all polymers
Chain S1 20–235（216 aa）
Not recorded PAR PAROMOMYCIN × 47 MG MAGNESIUM ION × 1133 ZN ZINC ION × 8 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；PEG 20K, KSCN, Mg Acetate, Tris-Acetate, Glycerol, Spermidine
Resolution 3.30 Å R-free 0.250
5TGM Crystal structure of the S.cerevisiae 80S ribosome in complex with the A-site bound aminoacyl-tRNA analog ACCA-Pro Deposited 2016-09-28 Assembly 1 Protein–RNA Heteromer；Protein × 154 PDB declaration: 164-meric（164） Consistent with all polymers
Chain S1 20–235（216 aa）
Chain s1 20–235（216 aa）
Not recorded OHX osmium (III) hexammine × 1095 MG MAGNESIUM ION × 1191 ZN ZINC ION × 16 PHE PHENYLALANINE × 2 LEU LEUCINE × 2 SPS SPARSOMYCIN × 2 8AN 3'-amino-3'-deoxyadenosine 5'-(dihydrogen phosphate) × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；277 K；PEG20000
Resolution 3.50 Å R-free 0.312
6S47 Saccharomyces cerevisiae 80S ribosome bound with ABCF protein New1 Deposited 2019-06-26 Assembly 1 Protein–RNA Heteromer；Protein × 75 PDB declaration: 79-meric（79） Consistent with all polymers
Chain BC 2–255（254 aa）
Not recorded ATP ADENOSINE-5'-TRIPHOSPHATE × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.28 Å
6T7T Structure of yeast 80S ribosome stalled on poly(A) tract. Deposited 2019-10-23 Assembly 1 Protein–RNA Heteromer；Protein × 75 PDB declaration: 82-meric（82） Consistent with all polymers
Chain SB 2–233（232 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
6TNU Yeast 80S ribosome in complex with eIF5A and decoding A-site and P-site tRNAs. Deposited 2019-12-10 Assembly 1 Protein–RNA Heteromer；Protein × 76 PDB declaration: 83-meric（83） Consistent with all polymers
Chain Q 2–233（232 aa）
Not recorded ZN ZINC ION × 7 SPD SPERMIDINE × 1 3HE 4-{(2R)-2-[(1S,3S,5S)-3,5-dimethyl-2-oxocyclohexyl]-2-hydroxyethyl}piperidine-2,6-dione × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
7WTM Cryo-EM structure of a yeast pre-40S ribosomal subunit - State Dis-E Deposited 2022-02-05 Assembly 1 Protein–RNA Heteromer；Protein × 16 PDB declaration: heptadecameric（17） Consistent with all polymers
Chain SB 1–255（255 aa）
Not recorded ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
7WTP Cryo-EM structure of a yeast pre-40S ribosomal subunit - State Tsr1-2 (with Rps2) Deposited 2022-02-05 Assembly 1 Protein–RNA Heteromer；Protein × 18 PDB declaration: nonadecameric（19） Consistent with all polymers
Chain SB 1–255（255 aa）
Not recorded ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
8BQD Yeast 80S ribosome in complex with Map1 (conformation 1) Deposited 2022-11-21 Assembly 1 Protein–RNA Heteromer；Protein × 76 PDB declaration: 80-meric（80） Consistent with all polymers
Chain Q 2–233（232 aa）
Not recorded ZN ZINC ION × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.90 Å
8BQX Yeast 80S ribosome in complex with Map1 (conformation 2) Deposited 2022-11-21 Assembly 1 Protein–RNA Heteromer；Protein × 76 PDB declaration: 80-meric（80） Consistent with all polymers
Chain Q 2–233（232 aa）
Not recorded ZN ZINC ION × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
9DOV Hypopseudouridylated yeast 80S bound with Taura syndrome virus (TSV) internal ribosome entry site (IRES) and hygromycin B Deposited 2024-09-19 Assembly 1 Protein–RNA Heteromer；Protein × 75 PDB declaration: 80-meric（80） Consistent with all polymers
Chain BB 1–255（255 aa）
Not recorded MG MAGNESIUM ION × 257 HYG HYGROMYCIN B × 1 ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.49 Å
9DP7 Hypopseudouridylated yeast 80S bound with Taura syndrome virus (TSV) internal ribosome entry site (IRES) and hygromycin B, Class II Deposited 2024-09-20 Assembly 1 Protein–RNA Heteromer；Protein × 75 PDB declaration: 80-meric（80） Consistent with all polymers
Chain BB 1–255（255 aa）
Not recorded MG MAGNESIUM ION × 247 HYG HYGROMYCIN B × 1 ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.38 Å
9PN5 Composite map of hypomethylated 80S ribosome treated with hygromycin B Deposited 2025-07-19 Assembly 1 Protein–RNA Heteromer；Protein × 74 PDB declaration: 78-meric（78） Consistent with all polymers
Chain BB 1–255（255 aa）
Not recorded MG MAGNESIUM ION × 174 K POTASSIUM ION × 27 ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 1.75 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.