9R9O: Yeast 80S with nascent chain
Yeast 80S with nascent chain in complex with Ssb1-ADP in the S1 state. Determined by electron microscopy at 2.9 Å resolution. Released 24 Dec 2025.
- Method
- Electron microscopy
- Resolution
- 2.9 Å
- Organism
- Saccharomyces cerevisiae
- Chains
- 79
- Atoms
- 194,788
- Mol. weight
- 3233.75 kDa
- Released
- 24 Dec 2025
Explore 9R9O in 3D
Show helices and sheets
RCSB PDB
PDBe
Secondary structure: helices and β-sheets
9R9O contains 552 α-helices and 526 β-strands across 72 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 A: 7 helices, 12 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 404-408 | 5 | 22 |
| α-helix | 410-412 | 3 | |
| β-strand | 413 | 1 | 23 |
| β-strand | 414-418 | 5 | 22 |
| β-strand | 426-433 | 8 | 24 |
| β-strand | 441-443 | 3 | 25 |
| β-strand | 446-449 | 4 | 22 |
| β-strand | 453 | 1 | 23 |
| α-helix | 454-456 | 3 | |
| β-strand | 458-461 | 4 | 22 |
| β-strand | 464-466 | 3 | 25 |
| β-strand | 477-484 | 8 | 24 |
| β-strand | 490-496 | 7 | 24 |
| β-strand | 502-507 | 6 | 24 |
| α-helix | 516-528 | 13 | |
| α-helix | 530-558 | 29 | |
| α-helix | 562-564 | 3 | |
| α-helix | 568-585 | 18 | |
| α-helix | 592-611 | 20 | |
Chain La: 8 helices, 7 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 3-5 | 3 | |
| α-helix | 8-11 | 4 | |
| α-helix | 42-48 | 7 | |
| α-helix | 65-68 | 4 | |
| β-strand | 72-74 | 3 | 54 |
| α-helix | 75-81 | 7 | |
| α-helix | 84-93 | 10 | |
| β-strand | 99-100 | 2 | 125 |
| β-strand | 101-103 | 3 | 55 |
| α-helix | 104-107 | 4 | |
| β-strand | 111-113 | 3 | 54 |
| β-strand | 124-127 | 4 | 55 |
| β-strand | 129-130 | 2 | 54 |
| α-helix | 132-141 | 10 | |
| β-strand | 144-147 | 4 | 55 |
Chain LA: 11 helices, 15 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 6-9 | 4 | |
| α-helix | 14-16 | 3 | |
| α-helix | 29-31 | 3 | |
| α-helix | 34-38 | 5 | |
| β-strand | 40-49 | 10 | 58 |
| α-helix | 57 | 1 | |
| β-strand | 58-64 | 7 | 58 |
| β-strand | 71-77 | 7 | 58 |
| α-helix | 78 | 1 | |
| β-strand | 79 | 1 | 59 |
| β-strand | 83 | 1 | 60 |
| β-strand | 87-91 | 5 | 58 |
| β-strand | 101-103 | 3 | 58 |
| α-helix | 104-106 | 3 | |
| β-strand | 112-114 | 3 | 58 |
| β-strand | 134-140 | 7 | 58 |
| β-strand | 145-149 | 5 | 58 |
| β-strand | 155-159 | 5 | 58 |
| β-strand | 163-166 | 4 | 58 |
| β-strand | 169 | 1 | 59 |
| α-helix | 174-176 | 3 | |
| α-helix | 182-189 | 8 | |
| α-helix | 201-203 | 3 | |
| β-strand | 224-225 | 2 | 61 |
| α-helix | 229-230 | 2 | |
| β-strand | 237-238 | 2 | 61 |
Chain Lb: 3 helices, 1 β-strand
| Element | Residues | Length | Sheet |
|---|
| α-helix | 12-16 | 5 | |
| β-strand | 22 | 1 | 1 |
| α-helix | 23-25 | 3 | |
| α-helix | 37-58 | 22 | |
Chain LB: 18 helices, 19 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 9-10 | 2 | |
| α-helix | 14-16 | 3 | |
| α-helix | 33-35 | 3 | |
| α-helix | 40-41 | 2 | |
| β-strand | 42-43 | 2 | 62 |
| β-strand | 45-59 | 15 | 63 |
| β-strand | 71-80 | 10 | 63 |
| α-helix | 82-83 | 2 | |
| β-strand | 84-95 | 12 | 64 |
| β-strand | 98-106 | 9 | 64 |
| α-helix | 112-115 | 4 | |
| α-helix | 122-124 | 3 | |
| α-helix | 134-136 | 3 | |
| α-helix | 142-154 | 13 | |
| β-strand | 157-164 | 8 | 64 |
| α-helix | 166-168 | 3 | |
| α-helix | 175-177 | 3 | |
| β-strand | 178-182 | 5 | 64 |
| β-strand | 183-184 | 2 | 62 |
| α-helix | 188-197 | 10 | |
| β-strand | 199 | 1 | 64 |
| β-strand | 202-203 | 2 | 64 |
| α-helix | 205-207 | 3 | |
| β-strand | 214-220 | 7 | 63 |
| α-helix | 221-222 | 2 | |
| β-strand | 223-227 | 5 | 65 |
| α-helix | 229-233 | 5 | |
| α-helix | 235-239 | 5 | |
| β-strand | 268-271 | 4 | 65 |
| β-strand | 274-286 | 13 | 63 |
| β-strand | 311 | 1 | 66 |
| β-strand | 315 | 1 | 66 |
| β-strand | 321-325 | 5 | 63 |
| β-strand | 335-340 | 6 | 63 |
| α-helix | 348-351 | 4 | |
| β-strand | 356-359 | 4 | 63 |
| α-helix | 373-380 | 8 | |
Chain Lc: 4 helices, 4 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 10-20 | 11 | |
| β-strand | 22-25 | 4 | 67 |
| α-helix | 27-36 | 10 | |
| β-strand | 41-44 | 4 | 67 |
| α-helix | 50-63 | 14 | |
| β-strand | 66-69 | 4 | 67 |
| α-helix | 74-81 | 8 | |
| β-strand | 89-94 | 6 | 67 |
Chain LC: 25 helices, 10 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 5-9 | 5 | 69 |
| β-strand | 15-21 | 7 | 69 |
| α-helix | 22-23 | 2 | |
| α-helix | 24-27 | 4 | |
| α-helix | 32-42 | 11 | |
| α-helix | 47-49 | 3 | |
| β-strand | 63 | 1 | 70 |
| β-strand | 76 | 1 | 70 |
| α-helix | 98-99 | 2 | |
| α-helix | 102-104 | 3 | |
| α-helix | 115-128 | 14 | |
| α-helix | 132-137 | 6 | |
| β-strand | 150-152 | 3 | 69 |
| α-helix | 154-158 | 5 | |
| α-helix | 162-172 | 11 | |
| α-helix | 175-182 | 8 | |
| β-strand | 186-187 | 2 | 71 |
| α-helix | 188 | 1 | |
| α-helix | 191-195 | 5 | |
| β-strand | 199-200 | 2 | 71 |
| β-strand | 206-209 | 4 | 69 |
| α-helix | 215-218 | 4 | |
| β-strand | 226-229 | 4 | 69 |
| α-helix | 230-232 | 3 | |
| α-helix | 235-238 | 4 | |
| α-helix | 240-242 | 3 | |
| β-strand | 248-251 | 4 | 69 |
| α-helix | 252-262 | 11 | |
| α-helix | 276-279 | 4 | |
| α-helix | 286-290 | 5 | |
| α-helix | 293-298 | 6 | |
| α-helix | 321-327 | 7 | |
| α-helix | 330-337 | 8 | |
| α-helix | 339-341 | 3 | |
| α-helix | 353-359 | 7 | |
Chain Ld: 4 helices, 5 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 8-15 | 8 | 72 |
| α-helix | 25-27 | 3 | |
| α-helix | 28-44 | 17 | |
| β-strand | 49-51 | 3 | 72 |
| α-helix | 53-59 | 7 | |
| α-helix | 60-62 | 3 | |
| β-strand | 70-79 | 10 | 72 |
| β-strand | 89-95 | 7 | 72 |
| β-strand | 107-108 | 2 | 72 |
64 more chain groups are not listed. Open the entry in the viewer and use the sequence panel to see them.
Molecules and chains
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|
| mRNA_Flag-Pgk-1-70 | 5 | RNA | 234 | Saccharomyces cerevisiae | |
| tRNA Methionin elongator | 6 | RNA | 76 | Saccharomyces cerevisiae | |
| Ribosome-associated molecular chaperone SSB1 | A | protein | 613 | Saccharomyces cerevisiae | P11484 (AlphaFold model) |
| Phosphoglycerate kinase | B | protein | 78 | Saccharomyces cerevisiae | P00560 (AlphaFold model) |
| 25S ribosomal RNA | C1 | RNA | 3396 | Saccharomyces cerevisiae | |
| 18S ribosomal RNA | C2 | RNA | 1800 | Saccharomyces cerevisiae | |
| 5.8S ribosomal RNA | C3 | RNA | 158 | Saccharomyces cerevisiae | |
| 5S ribosomal RNA | C4 | RNA | 121 | Saccharomyces cerevisiae | |
| 60S ribosomal protein L2-A | LA | protein | 254 | Saccharomyces cerevisiae | P0CX45 (AlphaFold model) |
| 60S ribosomal protein L3 | LB | protein | 387 | Saccharomyces cerevisiae | P14126 (AlphaFold model) |
| 60S ribosomal protein L4-A | LC | protein | 362 | Saccharomyces cerevisiae | P10664 |
| 60S ribosomal protein L5 | LD | protein | 297 | Saccharomyces cerevisiae | P26321 |
67 more molecules are not listed.
Sequence of entity 1 (5), FASTA
>9R9O_1 mRNA_Flag-Pgk-1-70 (chains 5)
AUGGACUACAAAGACGAUGACGACAAAGAAUCUUUAUCUUCAAAGUUGUCUGUCCAAGAU
UUGGACUUGAAGGACAAGCGUGUCUUCAUCAGAGUUGACUUCAACGUCCCAUUGGACGGU
AAGAAGAUCACUUCUAACCAAAGAAUUGUUGCUGCUUUGCCAACCAUCAAGUACGUUUUG
GAACACCACCCAAGAUACGUUGUCUUGGCUUCUCACUUGGGUAGAAUGAUGAUG
Sequence of entity 2 (6), FASTA
>9R9O_2 tRNA Methionin elongator (chains 6)
GCUUCAGUAGCUCAGUAGGAAGAGCGUCAGUCUCAUAAUCUGAAGGUCGAGAGUUCGAAC
CUCCCCUGGAGCACCA
Sequence of entity 3 (A), FASTA
>9R9O_3 Ribosome-associated molecular chaperone SSB1 (chains A)
MAEGVFQGAIGIDLGTTYSCVATYESSVEIIANEQGNRVTPSFVAFTPEERLIGDAAKNQ
AALNPRNTVFDAKRLIGRRFDDESVQKDMKTWPFKVIDVDGNPVIEVQYLEETKTFSPQE
ISAMVLTKMKEIAEAKIGKKVEKAVITVPAYFNDAQRQATKDAGAISGLNVLRIINEPTA
AAIAYGLGAGKSEKERHVLIFDLGGGTFDVSLLHIAGGVYTVKSTSGNTHLGGQDFDTNL
LEHFKAEFKKKTGLDISDDARALRRLRTAAERAKRTLSSVTQTTVEVDSLFDGEDFESSL
TRARFEDLNAALFKSTLEPVEQVLKDAKISKSQIDEVVLVGGSTRIPKVQKLLSDFFDGK
QLEKSINPDEAVAYGAAVQGAILTGQSTSDETKDLLLLDVAPLSLGVGMQGDMFGIVVPR
NTTVPTIKRRTFTTCADNQTTVQFPVYQGERVNCKENTLLGEFDLKNIPMMPAGEPVLEA
IFEVDANGILKVTAVEKSTGKSSNITISNAVGRLSSEEIEKMVNQAEEFKAADEAFAKKH
EARQRLESYVASIEQTVTDPVLSSKLKRGSKSKIEAALSDALAALQIEDPSADELRKAEV
GLKRVVTKAMSSR
Sequence of entity 4 (B), FASTA
>9R9O_4 Phosphoglycerate kinase (chains B)
MDYKDDDDKESLSSKLSVQDLDLKDKRVFIRVDFNVPLDGKKITSNQRIVAALPTIKYVL
EHHPRYVVLASHLGRMMM
Sequence of entity 5 (C1), FASTA
>9R9O_5 25S ribosomal RNA (chains C1)
GUUUGACCUCAAAUCAGGUAGGAGUACCCGCUGAACUUAAGCAUAUCAAUAAGCGGAGGA
AAAGAAACCAACCGGGAUUGCCUUAGUAACGGCGAGUGAAGCGGCAAAAGCUCAAAUUUG
AAAUCUGGUACCUUCGGUGCCCGAGUUGUAAUUUGGAGAGGGCAACUUUGGGGCCGUUCC
UUGUCUAUGUUCCUUGGAACAGGACGUCAUAGAGGGUGAGAAUCCCGUGUGGCGAGGAGU
GCGGUUCUUUGUAAAGUGCCUUCGAAGAGUCGAGUUGUUUGGGAAUGCAGCUCUAAGUGG
GUGGUAAAUUCCAUCUAAAGCUAAAUAUUGGCGAGAGACCGAUAGCGAACAAGUACAGUG
AUGGAAAGAUGAAAAGAACUUUGAAAAGAGAGUGAAAAAGUACGUGAAAUUGUUGAAAGG
GAAGGGCAUUUGAUCAGACAUGGUGUUUUGUGCCCUCUGCUCCUUGUGGGUAGGGGAAUC
UCGCAUUUCACUGGGCCAGCAUCAGUUUUGGUGGCAGGAUAAAUCCAUAGGAAUGUAGCU
UGCCUCGGUAAGUAUUAUAGCCUGUGGGAAUACUGCCAGCUGGGACUGAGGACUGCGACG
UAAGUCAAGGAUGCUGGCAUAAUGGUUAUAUGCCGCCCGUCUUGAAACACGGACCAAGGA
GUCUAACGUCUAUGCGAGUGUUUGGGUGUAAAACCCAUACGCGUAAUGAAAGUGAACGUA
GGUUGGGGCCUCGCAAGAGGUGCACAAUCGACCGAUCCUGAUGUCUUCGGAUGGAUUUGA
GUAAGAGCAUAGCUGUUGGGACCCGAAAGAUGGUGAACUAUGCCUGAAUAGGGUGAAGCC
AGAGGAAACUCUGGUGGAGGCUCGUAGCGGUUCUGACGUGCAAAUCGAUCGUCGAAUUUG
GGUAUAGGGGCGAAAGACUAAUCGAACCAUCUAGUAGCUGGUUCCUGCCGAAGUUUCCCU
CAGGAUAGCAGAAGCUCGUAUCAGUUUUAUGAGGUAAAGCGAAUGAUUAGAGGUUCCGGG
GUCGAAAUGACCUUGACCUAUUCUCAAACUUUAAAUAUGUAAGAAGUCCUUGUUACUUAA
UUGAACGUGGACAUUUGAAUGAAGAGCUUUUAGUGGGCCAUUUUUGGUAAGCAGAACUGG
CGAUGCGGGAUGAACCGAACGUAGAGUUAAGGUGCCGGAAUACACGCUCAUCAGACACCA
CAAAAGGUGUUAGUUCAUCUAGACAGCCGGACGGUGGCCAUGGAAGUCGGAAUCCGCUAA
GGAGUGUGUAACAACUCACCGGCCGAAUGAACUAGCCCUGAAAAUGGAUGGCGCUCAAGC
GUGUUACCUAUACUCUACCGUCAGGGUUGAUAUGAUGCCCUGACGAGUAGGCAGGCGUGG
AGGUCAGUGACGAAGCCUAGACCGUAAGGUCGGGUCGAACGGCCUCUAGUGCAGAUCUUG
GUGGUAGUAGCAAAUAUUCAAAUGAGAACUUUGAAGACUGAAGUGGGGAAAGGUUCCACG
UCAACAGCAGUUGGACGUGGGUUAGUCGAUCCUAAGAGAUGGGGAAGCUCCGUUUCAAAG
GCCUGAUUUUAUGCAGGCCACCAUCGAAAGGGAAUCCGGUUAAGAUUCCGGAACCUGGAU
AUGGAUUCUUCACGGUAACGUAACUGAAUGUGGAGACGUCGGCGCGAGCCCUGGGAGGAG
UUAUCUUUUCUUCUUAACAGCUUAUCACCCCGGAAUUGGUUUAUCCGGAGAUGGGGUCUU
AUGGCUGGAAGAGGCCAGCACCUUUGCUGGCUCCGGUGCGCUUGUGACGGCCCGUGAAAA
UCCACAGGAAGGAAUAGUUUUCAUGCCAGGUCGUACUGAUAACCGCAGCAGGUCUCCAAG
GUGAACAGCCUCUAGUUGAUAGAAUAAUGUAGAUAAGGGAAGUCGGCAAAAUAGAUCCGU
AACUUCGGGAUAAGGAUUGGCUCUAAGGGUCGGGUAGUGAGGGCCUUGGUCAGACGCAGC
GGGCGUGCUUGUGGACUGCUUGGUGGGGCUUGCUCUGCUAGGCGGACUACUUGCGUGCCU
UGUUGUAGACGGCCUUGGUAGGUCUCUUGUAGACCGUCGCUUGCUACAAUUAACGAUCAA
CUUAGAACUGGUACGGACAAGGGGAAUCUGACUGUCUAAUUAAAACAUAGCAUUGCGAUG
GUCAGAAAGUGAUGUUGACGCAAUGUGAUUUCUGCCCAGUGCUCUGAAUGUCAAAGUGAA
GAAAUUCAACCAAGCGCGGGUAAACGGCGGGAGUAACUAUGACUCUCUUAAGGUAGCCAA
AUGCCUCGUCAUCUAAUUAGUGACGCGCAUGAAUGGAUUAACGAGAUUCCCACUGUCCCU
AUCUACUAUCUAGCGAAACCACAGCCAAGGGAACGGGCUUGGCAGAAUCAGCGGGGAAAG
AAGACCCUGUUGAGCUUGACUCUAGUUUGACAUUGUGAAGAGACAUAGAGGGUGUAGAAU
AAGUGGGAGCUUCGGCGCCAGUGAAAUACCACUACCUUUAUAGUUUCUUUACUUAUUCAA
UGAAGCGGAGCUGGAAUUCAUUUUCCACGUUCUAGCAUUCAAGGUCCCAUUCGGGGCUGA
UCCGGGUUGAAGACAUUGUCAGGUGGGGAGUUUGGCUGGGGCGGCACAUCUGUUAAACGA
UAACGCAGAUGUCCUAAGGGGGGCUCAUGGAGAACAGAAAUCUCCAGUAGAACAAAAGGG
UAAAAGCCCCCUUGAUUUUGAUUUUCAGUGUGAAUACAAACCAUGAAAGUGUGGCCUAUC
GAUCCUUUAGUCCCUCGGAAUUUGAGGCUAGAGGUGCCAGAAAAGUUACCACAGGGAUAA
CUGGCUUGUGGCAGUCAAGCGUUCAUAGCGACAUUGCUUUUUGAUUCUUCGAUGUCGGCU
CUUCCUAUCAUACCGAAGCAGAAUUCGGUAAGCGUUGGAUUGUUCACCCACUAAUAGGGA
ACGUGAGCUGGGUUUAGACCGUCGUGAGACAGGUUAGUUUUACCCUACUGAUGAAUGUUA
CCGCAAUAGUAAUUGAACUUAGUACGAGAGGAACAGUUCAUUCGGAUAAUUGGUUUUUGC
GGCUGUCUGAUCAGGCAUUGCCGCGAAGCUACCAUCCGCUGGAUUAUGGCUGAACGCCUC
UAAGUCAGAAUCCAUGCUAGAACGCGGUGAUUUCUUUGCUCCACACAAUAUAGAUGGAUA
CGAAUAAGGCGUCCUUGUGGCGUCGCUGAACCAUAGCAGGCUAGCAACGGUGCACUUGGC
GGAAAGGCCUUGGGUGCUUGCUGGCGAAUUGCAAUGUCAUUUUGCGUGGGGAUAAAUCAU
UUGUAUACGACUUAGAUGUACAACGGGGUAUUGUAAGCAGUAGAGUAGCCUUGUUGUUAC
GAUCUGCUGAGAUUAAGCCUUUGUUGUCUGAUUUGU
Sequence of entity 6 (C2), FASTA
>9R9O_6 18S ribosomal RNA (chains C2)
UAUCUGGUUGAUCCUGCCAGUAGUCAUAUGCUUGUCUCAAAGAUUAAGCCAUGCAUGUCU
AAGUAUAAGCAAUUUAUACAGUGAAACUGCGAAUGGCUCAUUAAAUCAGUUAUCGUUUAU
UUGAUAGUUCCUUUACUACAUGGUAUAACUGUGGUAAUUCUAGAGCUAAUACAUGCUUAA
AAUCUCGACCCUUUGGAAGAGAUGUAUUUAUUAGAUAAAAAAUCAAUGUCUUCGGACUCU
UUGAUGAUUCAUAAUAACUUUUCGAAUCGCAUGGCCUUGUGCUGGCGAUGGUUCAUUCAA
AUUUCUGCCCUAUCAACUUUCGAUGGUAGGAUAGUGGCCUACCAUGGUUUCAACGGGUAA
CGGGGAAUAAGGGUUCGAUUCCGGAGAGGGAGCCUGAGAAACGGCUACCACAUCCAAGGA
AGGCAGCAGGCGCGCAAAUUACCCAAUCCUAAUUCAGGGAGGUAGUGACAAUAAAUAACG
AUACAGGGCCCAUUCGGGUCUUGUAAUUGGAAUGAGUACAAUGUAAAUACCUUAACGAGG
AACAAUUGGAGGGCAAGUCUGGUGCCAGCAGCCGCGGUAAUUCCAGCUCCAAUAGCGUAU
AUUAAAGUUGUUGCAGUUAAAAAGCUCGUAGUUGAACUUUGGGCCCGGUUGGCCGGUCCG
AUUUUUUCGUGUACUGGAUUUCCAACGGGGCCUUUCCUUCUGGCUAACCUUGAGUCCUUG
UGGCUCUUGGCGAACCAGGACUUUUACUUUGAAAAAAUUAGAGUGUUCAAAGCAGGCGUA
UUGCUCGAAUAUAUUAGCAUGGAAUAAUAGAAUAGGACGUUUGGUUCUAUUUUGUUGGUU
UCUAGGACCAUCGUAAUGAUUAAUAGGGACGGUCGGGGGCAUCAGUAUUCAAUUGUCAGA
GGUGAAAUUCUUGGAUUUAUUGAAGACUAACUACUGCGAAAGCAUUUGCCAAGGACGUUU
UCAUUAAUCAAGAACGAAAGUUAGGGGAUCGAAGAUGAUCAGAUACCGUCGUAGUCUUAA
CCAUAAACUAUGCCGACUAGGGAUCGGGUGGUGUUUUUUUAAUGACCCACUCGGCACCUU
ACGAGAAAUCAAAGUCUUUGGGUUCUGGGGGGAGUAUGGUCGCAAGGCUGAAACUUAAAG
GAAUUGACGGAAGGGCACCACCAGGAGUGGAGCCUGCGGCUUAAUUUGACUCAACACGGG
GAAACUCACCAGGUCCAGACACAAUAAGGAUUGACAGAUUGAGAGCUCUUUCUUGAUUUU
GUGGGUGGUGGUGCAUGGCCGUUCUUAGUUGGUGGAGUGAUUUGUCUGCUUAAUUGCGAU
AACGAACGAGACCUUAACCUACUAAAUAGUGGUGCUAGCAUUUGCUGGUUAUCCACUUCU
UAGAGGGACUAUCGGUUUCAAGCCGAUGGAAGUUUGAGGCAAUAACAGGUCUGUGAUGCC
CUUAGACGUUCUGGGCCGCACGCGCGCUACACUGACGGAGCCAGCGAGUCUAACCUUGGC
CGAGAGGUCUUGGUAAUCUUGUGAAACUCCGUCGUGCUGGGGAUAGAGCAUUGUAAUUAU
UGCUCUUCAACGAGGAAUUCCUAGUAAGCGCAAGUCAUCAGCUUGCGUUGAUUACGUCCC
UGCCCUUUGUACACACCGCCCGUCGCUAGUACCGAUUGAAUGGCUUAGUGAGGCCUCAGG
AUCUGCUUAGAGAAGGGGGCAACUCCAUCUCAGAGCGGAGAAUUUGGACAAACUUGGUCA
UUUAGAGGAACUAAAAGUCGUAACAAGGUUUCCGUAGGUGAACCUGCGGAAGGAUCAUUA
Sequence of entity 7 (C3), FASTA
>9R9O_7 5.8S ribosomal RNA (chains C3)
AAACUUUCAACAACGGAUCUCUUGGUUCUCGCAUCGAUGAAGAACGCAGCGAAAUGCGAU
ACGUAAUGUGAAUUGCAGAAUUCCGUGAAUCAUCGAAUCUUUGAACGCACAUUGCGCCCC
UUGGUAUUCCAGGGGGCAUGCCUGUUUGAGCGUCAUUU
Sequence of entity 8 (C4), FASTA
>9R9O_8 5S ribosomal RNA (chains C4)
GGUUGCGGCCAUAUCUACCAGAAAGCACCGUUUCCCGUCCGAUCAACUGUAGUUAAGCUG
GUAAGAGCCUGACCGAGUAGUGUAGUGGGUGACCAUACGCGAAACUCAGGUGCUGCAAUC
U
Sequence of entity 9 (LA), FASTA
>9R9O_9 60S ribosomal protein L2-A (chains LA)
MGRVIRNQRKGAGSIFTSHTRLRQGAAKLRTLDYAERHGYIRGIVKQIVHDSGRGAPLAK
VVFRDPYKYRLREEIFIANEGVHTGQFIYAGKKASLNVGNVLPLGSVPEGTIVSNVEEKP
GDRGALARASGNYVIIIGHNPDENKTRVRLPSGAKKVISSDARGVIGVIAGGGRVDKPLL
KAGRAFHKYRLKRNSWPKTRGVAMNPVDHPHGGGNHQHIGKASTISRGAVSGQKAGLIAA
RRTGLLRGSQKTQD
Sequence of entity 10 (LB), FASTA
>9R9O_10 60S ribosomal protein L3 (chains LB)
MSHRKYEAPRHGHLGFLPRKRAASIRARVKAFPKDDRSKPVALTSFLGYKAGMTTIVRDL
DRPGSKFHKREVVEAVTVVDTPPVVVVGVVGYVETPRGLRSLTTVWAEHLSDEVKRRFYK
NWYKSKKKAFTKYSAKYAQDGAGIERELARIKKYASVVRVLVHTQIRKTPLAQKKAHLAE
IQLNGGSISEKVDWAREHFEKTVAVDSVFEQNEMIDAIAVTKGHGFEGVTHRWGTKKLPR
KTHRGLRKVACIGAWHPAHVMWSVARAGQRGYHSRTSINHKIYRVGKGDDEANGATSFDR
TKKTITPMGGFVHYGEIKNDFIMVKGCIPGNRKRIVTLRKSLYTNTSRKALEEVSLKWID
TASKFGKGRFQTPAEKHAFMGTLKKDL
Sequence of entity 11 (LC), FASTA
>9R9O_11 60S ribosomal protein L4-A (chains LC)
MSRPQVTVHSLTGEATANALPLPAVFSAPIRPDIVHTVFTSVNKNKRQAYAVSEKAGHQT
SAESWGTGRAVARIPRVGGGGTGRSGQGAFGNMCRGGRMFAPTKTWRKWNVKVNHNEKRY
ATASAIAATAVASLVLARGHRVEKIPEIPLVVSTDLESIQKTKEAVAALKAVGAHSDLLK
VLKSKKLRAGKGKYRNRRWTQRRGPLVVYAEDNGIVKALRNVPGVETANVASLNLLQLAP
GAHLGRFVIWTEAAFTKLDQVWGSETVASSKVGYTLPSHIISTSDVTRIINSSEIQSAIR
PAGQATQKRTHVLKKNPLKNKQVLLRLNPYAKVFAAEKLGSKKAEKTGTKPAAVFTETLK
HD
Sequence of entity 12 (LD), FASTA
>9R9O_12 60S ribosomal protein L5 (chains LD)
MAFQKDAKSSAYSSRFQTPFRRRREGKTDYYQRKRLVTQHKAKYNTPKYRLVVRFTNKDI
ICQIISSTITGDVVLAAAYSHELPRYGITHGLTNWAAAYATGLLIARRTLQKLGLDETYK
GVEEVEGEYELTEAVEDGPRPFKVFLDIGLQRTTTGARVFGALKGASDGGLYVPHSENRF
PGWDFETEEIDPELLRSYIFGGHVSQYMEELADDDEERFSELFKGYLADDIDADSLEDIY
TSAHEAIRADPAFKPTEKKFTKEQYAAESKKYRQTKLSKEERAARVAAKIAALAGQQ
Primary citation
The cotranslational cycle of the ribosome-bound Hsp70 homolog Ssb. Zhang, Y., Grundmann, L., Vollmar, L. et al. Nat Commun (2026) 17:961-961. DOI 10.1038/s41467-025-67685-6 · PubMed
Other PDB entries of the same protein (UniProt P11484 (AlphaFold model), which also has an AlphaFold model), best resolution first:
- 3GL1 1.92 Å, Crystal structure of ATPase domain of Ssb1 chaperone, a member of the HSP70 family, from…
- 9R9P 3.0 Å, Yeast 80S with nascent chain in complex with Ssb1-ADP in the S2 state
Browse structure collections
About this viewer
MolViewer shows 9R9O directly in your browser with nothing to install. Switch between cartoon, ball-and-stick, spacefill and surface views, color by chain, secondary structure or B-factor, measure distances, angles and dihedrals, and share or embed the view.