7O80: Rabbit 80S ribosome

Rabbit 80S ribosome in complex with eRF1 and ABCE1 stalled at the STOP codon in the mutated SARS-CoV-2 slippery site. Determined by electron microscopy at 2.9 Å resolution. Released 2 Jun 2021.

Method
Electron microscopy
Resolution
2.9 Å
Organisms
Oryctolagus cuniculus, Severe acute respiratory syndrome coronavirus 2, Bos taurus
Chains
88
Atoms
235,677
Mol. weight
4156.66 kDa
Ligands
SPD, MG, ZN, GTP
Released
2 Jun 2021

Explore 7O80 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

7O80 contains 662 α-helices and 622 β-strands across 81 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain Aa: 12 helices, 12 β-strands

ElementResiduesLengthSheet
α-helix24-274
β-strand28-347109
β-strand43-508109
α-helix51-522
β-strand531110
β-strand561110
α-helix58-625
β-strand66-705109
α-helix71-733
β-strand82-9211109
β-strand95-10511109
α-helix107-1137
β-strand1181111
β-strand120-1289109
β-strand134-14310109
α-helix144-1463
β-strand1541111
α-helix158-17720
α-helix181-1888
α-helix192-2009
α-helix201-2033
β-strand207-21913109
α-helix221-2233
α-helix225-2328
Chain AA: 5 helices, 7 β-strands
ElementResiduesLengthSheet
α-helix12-176
β-strand32-36511
β-strand43-47511
α-helix541
β-strand55112
α-helix561
β-strand62112
β-strand64-65213
α-helix711
β-strand72-73213
α-helix741
β-strand78-81411
Chain Ab: 12 helices, 10 β-strands
ElementResiduesLengthSheet
α-helix58-603
α-helix65-717
α-helix78-836
α-helix86-883
α-helix91-988
β-strand103-11513113
β-strand120-13112113
β-strand136-1449113
α-helix147-16014
β-strand163-1642113
β-strand1681114
β-strand1791114
β-strand184-1885115
β-strand191-1977115
β-strand204-2052115
α-helix208-2169
β-strand222-2276115
α-helix233-24513
α-helix253-2553
α-helix258-2592
α-helix265-2684
α-helix270-2756
Chain AB: 2 helices, 4 β-strands
ElementResiduesLengthSheet
α-helix7-93
β-strand10-211218
β-strand27-34818
β-strand41-47718
β-strand55-58418
α-helix65-673
Chain Ac: 11 helices, 9 β-strands
ElementResiduesLengthSheet
α-helix7-2822
β-strand34-429120
β-strand45-528120
α-helix55-595
α-helix61-633
α-helix64-7714
α-helix79-802
β-strand84-896120
α-helix98-11114
α-helix115-12915
β-strand133-1419121
β-strand147-1559121
α-helix163-1675
β-strand168-17710121
β-strand180-18910121
α-helix190-1923
α-helix203-2042
β-strand209-2102122
α-helix211-2144
β-strand223-226460
Chain AC: 4 helices, 7 β-strands
ElementResiduesLengthSheet
α-helix91-933
α-helix101-1044
β-strand106-108323
β-strand114-116323
α-helix1191
β-strand120124
α-helix1211
β-strand131124
β-strand132-134325
β-strand139-141325
β-strand147-148225
Chain Ad: 10 helices, 23 β-strands
ElementResiduesLengthSheet
β-strand101124
α-helix16-183
β-strand271124
α-helix30-323
α-helix38-403
β-strand42-432125
α-helix44-452
α-helix46-516
α-helix58-669
β-strand70-723126
β-strand75-762126
β-strand83-842125
β-strand89-924126
β-strand97-1004126
β-strand102-1032127
β-strand109-1102127
β-strand1131126
α-helix118-1203
β-strand121-1255128
β-strand126-1327129
α-helix133-1353
β-strand136-1416129
β-strand146-1483129
β-strand159-1635128
β-strand168-1736128
β-strand180-1834130
β-strand192-1998130
β-strand207-2115130
β-strand217-2215130
α-helix222-2243
β-strand225-2306130
β-strand233-2342130
α-helix248-26215
Chain AD: 6 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix85-895
α-helix91-922
α-helix94-974
α-helix99-1024
α-helix105-11612
α-helix119-1213

73 more chain groups are not listed. Open the entry in the viewer and use the sequence panel to see them.

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
18S rRNAA2RNA1870Oryctolagus cuniculus
40S ribosomal protein S27AAprotein84Oryctolagus cuniculusG1TZ76 (AlphaFold model)
Ribosomal protein S28ABprotein69Oryctolagus cuniculusG1TIB4 (AlphaFold model)
Ribosomal protein S27aACprotein156Oryctolagus cuniculusG1SK22 (AlphaFold model)
40S ribosomal protein S30ADprotein133Oryctolagus cuniculusG1T8A2 (AlphaFold model)
Ribosomal protein eS26AEprotein115Oryctolagus cuniculus
RACK1AFprotein317Oryctolagus cuniculusG1SJB4
uS14AGprotein56Oryctolagus cuniculusG1U7M4
mRNA containing SARS-CoV-2 sequenceAHRNA217Severe acute respiratory syndrome coronavirus 2
E-site tRNAAIRNA76Bos taurus
P-site Leu-tRNA(Leu)ATRNA86Bos taurus
40S ribosomal protein SAAZprotein295Oryctolagus cuniculusG1TLT8

76 more molecules are not listed.

Sequence of entity 1 (A2), FASTA
>7O80_1 18S rRNA (chains A2)
UACCUGGUUGAUCCUGCCAGUAGCAUAUGCUUGUCUCAAAGAUUAAGCCAUGCAUGUCUA
AGUACGCACGGCCGGUACAGUGAAACUGCGAAUGGCUCAUUAAAUCAGUUAUGGUUCCUU
UGGUCGCUCGCUCCUCUCCUACUUGGAUAACUGUGGUAAUUCUAGAGCUAAUACAUGCCG
ACGGGCGCUGACCCCCUUCGCGGGGGGGAUGCGUGCAUUUAUCAGAUCAAAACCAACCCG
GUCAGCCUCCCCCCGGCCCCGGCCGGGGGGGUGGGCGCCGGCGGCUUUGGUGACUCUAGA
UAACCUCGGGCCGAUCGCACGCCCUCCGUGGCGGCGACGACCCAUUCGAACGUCUGCCCU
AUCAACUUUCGAUGGUAGUCGCCGUGCCUACCAUGGUGACCACGGGUGACGGGGAAUCAG
GGUUCGAUUCCGGAGAGGGAGCCUGAGAAACGGCUACCACAUCCAAGGAAGGCAGCAGGC
GCGCAAAUUACCCACUCCCGACCCGGGGAGGUAGUGACGAAAAAUAACAAUACAGGACUC
UUUCGAGGCCCUGUAAUUGGAAUGAGUCCACUUUAAAUCCUUUAACGAGGAUCCAUUGGA
GGGCAAGUCUGGUGCCAGCAGCCGCGGUAAUUCCAGCUCCAAUAGCGUAUAUUAAAGUUG
CUGCAGUUAAAAAGCUCGUAGUUGGAUCUUGGGAGCGGGCGGGCGGUCCGCCGCGAGGCG
AGCCACCGCCCGUCCCCGCCCCUUGCCUCUCGGCGCCCCCUCGAUGCUCUUAGCUGAGUG
UCCCGCGGGGCCCGAAGCGUUUACUUUGAAAAAAUUAGAGUGUUCAAAGCAGGCCCGAGC
CGCCUGGAUACCGCAGCUAGGAAUAAUGGAAUAGGACCGCGGUUCUAUUUUGUUGGUUUU
CGGAACUGAGGCCAUGAUUAAGAGGGACGGCCGGGGGCAUUCGUAUUGCGCCGCUAGAGG
UGAAAUUCUUGGACCGGCGCAAGACGGACCAGAGCGAAAGCAUUUGCCAAGAAUGUUUUC
AUUAAUCAAGAACGAAAGUCGGAGGUUCGAAGACGAUCAGAUACCGUCGUAGUUCCGACC
AUAAACGAUGCCGACUGGCGAUGCGGCGGCGUUAUUCCCAUGACCCGCCGGGCAGCUUCC
GGGAAACCAAAGUCUUUGGGUUCCGGGGGGAGUAUGGUUGCAAAGCUGAAACUUAAAGGA
AUUGACGGAAGGGCACCACCAGGAGUGGAGCCUGCGGCUUAAUUUGACXCAACACGGGAA
ACCUCACCCGGCCCGGACACGGACAGGAUUGACAGAUUGAUAGCUCUUUCUCGAUUCCGU
GGGUGGUGGUGCAUGGCNGUUCUUAGUUGGUGGAGCGAUUUGUCUGGUUAAUUCCGAUAA
CGAACGAGACUCUGGCAUGCUAACUAGUUACGCGACCCCCGAGCGGUCGGCGUCCCCCAA
CUUCUUAGAGGGACAAGUGGCGUUCAGCCACCCGAGAUUGAGCAAUAACAGGUCUGUGAU
GCCCUUAGAUGUCCGGGGCUGCACGCGCGCUACACUGACUGGCUCAGCGUGUGCCUACCC
UACGCCGGCAGGCGCGGGUAACCCGUUGAACCCCAUUCGUGAUGGGGAUCGGGGAUUGCA
AUUAUUCCCCAUGAACGAGGAAUUCCCAGUAAGUGCGGGUCAUAAGCUUGCGUUGAUUAA
GUCCCUGCCCUUUGUACACACCGCCCGUCGCUACUACCGAUUGGAUGGUUUAGUGAGGCC
CUCGGAUCGGCCCCGCCGGGGUCGGCCCACGGCCCUGGCGGAGCGCUGAGAAGACGGUCG
AACUUGACUAUCUAGAGGAAGUAAAAGUCGUAACAAGGUUUCNGUAGGUGAACCUGCGGA
AGGAUCAUUA
Sequence of entity 2 (AA), FASTA
>7O80_2 40S ribosomal protein S27 (chains AA)
MPLAKDLLHPSPEEEKRKHKKKRLVQSPNSYFMDVKCPGCYKITTVFSHAQTVVLCVGCS
TVLCQPTGGKARLTEGCSFRRKQH
Sequence of entity 3 (AB), FASTA
>7O80_3 Ribosomal protein S28 (chains AB)
MDTSRVQPIKLARVTKVLGRTGSQGQCTQVRVEFMDDTSRSIIRNVKGPVREGDVLTLLE
SEREARRLR
Sequence of entity 4 (AC), FASTA
>7O80_4 Ribosomal protein S27a (chains AC)
MQIFVKTLTGKTITLEVEPSDTIENVKAKIQDKEGIPPDQQRLIFAGKQLEDGRTLSDYN
IQKESTLHLVLRLRGGAKKRKKKSYTTPKKNKHKRKKVKLAVLKYYKVDENGKISRLRRE
CPSDECGAGVFMASHFDRHYCGKCCLTYCFNKPEDK
Sequence of entity 5 (AD), FASTA
>7O80_5 40S ribosomal protein S30 (chains AD)
MQLFVRAQELHTLEVTGRETVAQIKAHVASLEGIAPEDQVVLLAGTPLEDEATLGQCGVE
ALSTLEVAGRMLGGKVHGSLARVGKVRGQTLKVAKQEKKKKRTGRAKRRMQYNRRFVNVV
PTFGKKKGPNANS
Sequence of entity 6 (AE), FASTA
>7O80_6 Ribosomal protein eS26 (chains AE)
MTKKRRNNGRAKKGRGHVQPIRCTNCARCVPKDKAIKKFVIRNIVEAAAVRDISEASVFD
AYVLPKLYVKLHYCVSCAIHSKVVRNRSREARKDRTPPPRFRPAGAAPRPPPKPM
Sequence of entity 7 (AF), FASTA
>7O80_7 RACK1 (chains AF)
MTEQMTLRGTLKGHNGWVTQIATTPQFPDMILSASRDKTIIMWKLTRDETNYGIPQRALR
GHSHFVSDVVISSDGQFALSGSWDGTLRLWDLTTGTTTRRFVGHTKDVLSVAFSSDNRQI
VSGSRDKTIKLWNTLGVCKYTVQDESHSEWVSCVRFSPNSSNPIIVSCGWDKLVKVWNLA
NCKLKTNHIGHTGYLNTVTVSPDGSLCASGGKDGQAMLWDLNEGKHLYTLDGGDIINALC
FSPNRYWLCAATGPSIKIWDLEGKIIVDELKQEVISTSSKAEPPQCTSLAWSADGQTLFA
GYTDNLVRVWQVTIGTR
Sequence of entity 8 (AG), FASTA
>7O80_8 uS14 (chains AG)
MGHQQLYWSHPRKFGQGSRSCRVCSNRHGLIRKYGLNMCRQCFRQYAKDIGFIKLD
Sequence of entity 9 (AH), FASTA
>7O80_9 mRNA containing SARS-CoV-2 sequence (chains AH)
CAACUUGUGCUAAUGACCCUGUGGGUUUUACACUUAAAAACACAGUCUGUACCGUCUGCG
GUAUGUGGAAAGGUUAUGGCUGUAGUUGUGAUCAACUCCGCGAACCCAUGCUUCAGUCAG
CUGAUGCACAAUCGUUUUUAUAAGGGUUUGCGGUGUAAGUGCAGCCCGUCUUACACCGUG
CGGCACAGGCACUAGUACUGAUGUCGUAUACAGGGCU
Sequence of entity 10 (AI), FASTA
>7O80_10 E-site tRNA (chains AI)
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
NNNNNNNNNNNNNCCA
Sequence of entity 11 (AT), FASTA
>7O80_11 P-site Leu-tRNA(Leu) (chains AT)
ACCGGGAUGGCCGAGUGGUUAAGGCGUUGGACUUAAGAUCCAAUGGGCUAGUGCCCGCGU
GGGUUCGAACCCCACUCUCGGUACCA
Sequence of entity 12 (AZ), FASTA
>7O80_12 40S ribosomal protein SA (chains AZ)
MSGALDVLQMKEEDVLKFLAAGTHLGGTNLDFQMEQYIYKRKSDGIYIINLKRTWEKLLL
AARAIVAIENPADVSVISSRNTGQRAVLKFAAATGATPIAGRFTPGTFTNQIQAAFREPR
LLVVTDPRADHQPLTEASYVNLPTIALCNTDSPLRYVDIAIPCNNKGAHSVGLMWWMLAR
EVLRMRGTISREHPWEVMPDLYFYRDPEEIEKEEQAAAEKAVTKEEFQGEWTAPAPEFTA
TQPEVADWSEGVQVPSVPIQQFPTEDWSAQPATEDWSAAPTAQATEWVGTTTEWS

Ligands and cofactors

IDNameFormulaCopies
SPDSpermidineC7 H19 N31
MGMagnesium ionMg355
ZNZinc ionZn8
GTPGuanosine-5'-triphosphateC10 H16 N5 O14 P31
SF4Iron/sulfur clusterFe4 S42

Water and common crystallization additives (UNX) are not listed.

Primary citation

Structural basis of ribosomal frameshifting during translation of the SARS-CoV-2 RNA genome. Bhatt, P.R., Scaiola, A., Loughran, G. et al. Science (2021) 372:1306-1313. DOI 10.1126/science.abf3546 · PubMed

Other PDB entries of the same protein (UniProt G1TZ76 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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