ISDA

Deposition Date 2021-03-16

Release Date 2021-07-07

Last Version Date 2024-11-20

Entry Detail

PDB ID:

7NWI

Keywords:

RIBOSOME

Title:

Mammalian pre-termination 80S ribosome with Empty-A site bound by Blasticidin S

Biological Source:

Source Organism:

Oryctolagus cuniculus (Taxon ID: 9986)

Method Details:

Experimental Method:

ELECTRON MICROSCOPY

Resolution:

3.13 Å

Aggregation State:

PARTICLE

Reconstruction Method:

SINGLE PARTICLE

Download Validation Report

Macromolecular Entities

Polymer Type:polypeptide(L)
Molecule:Sec61Beta
Chain IDs:ZB (auth: 1)
Chain Length:15
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

Polymer Type:polyribonucleotide
Molecule:P-Site tRNA
Chain IDs:AC (auth: 2)
Chain Length:76
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

Polymer Type:polyribonucleotide
Molecule:28S ribosomal RNA+BlaS
Chain IDs:BC (auth: 5)
Chain Length:3788
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

Polymer Type:polyribonucleotide
Molecule:5S ribosomal RNA
Chain IDs:CC (auth: 7)
Chain Length:120
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

Polymer Type:polyribonucleotide
Molecule:5.8S ribosomal RNA
Chain IDs:DC (auth: 8)
Chain Length:156
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

Polymer Type:polyribonucleotide
Molecule:18S ribosomal RNA
Chain IDs:EC (auth: 9)
Chain Length:1777
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

Protein Blast

Polymer Type:polypeptide(L)
Molecule:L8
Gene (Uniprot):RPL8
Chain IDs:A
Chain Length:160
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1TT27 Pfam ID:PF00181, PF03947

Protein Blast

Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein SA
Gene (Uniprot):RPSA
Chain IDs:SA (auth: AA)
Chain Length:295
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1TLT8 Pfam ID:PF00318, PF16122

Protein Blast

Polymer Type:polypeptide(L)
Molecule:uL3
Gene (Uniprot):RPL3
Chain IDs:B
Chain Length:403
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1TL06 Pfam ID:PF00297

Protein Blast

Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S3a
Gene (Uniprot):Rps3a
Chain IDs:TA (auth: BB)
Chain Length:264
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:P97351 Pfam ID:PF01015

Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L4
Chain IDs:C
Chain Length:115
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

Protein Blast

Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S2
Chain IDs:UA (auth: CC)
Chain Length:69
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:O55214 Pfam ID:PF00333, PF03719

Protein Blast

Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L5
Chain IDs:D
Chain Length:107
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:P19949

Protein Blast

Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S3
Gene (Uniprot):RPS3
Chain IDs:VA (auth: DD)
Chain Length:53
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1TNM3 Pfam ID:PF07650, PF00189

Protein Blast

Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L6
Gene (Uniprot):RPL6
Chain IDs:E
Chain Length:128
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1SKF7 Pfam ID:PF03868, PF01159

Polymer Type:polypeptide(L)
Molecule:S4
Chain IDs:WA (auth: EE)
Chain Length:262
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

Protein Blast

Polymer Type:polypeptide(L)
Molecule:uL30
Gene (Uniprot):RPL7
Chain IDs:F
Chain Length:249
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1SV32 Pfam ID:PF08079, PF00327

Protein Blast

Polymer Type:polypeptide(L)
Molecule:Ribosomal protein S5
Gene (Uniprot):RPS5
Chain IDs:XA (auth: FF)
Chain Length:205
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1TFM5 Pfam ID:PF00177

Protein Blast

Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L7a
Gene (Uniprot):RPL7A
Chain IDs:G
Chain Length:241
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1STW0 Pfam ID:PF01248

Protein Blast

Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S6
Gene (Uniprot):Rps6_1
Chain IDs:YA (auth: GG)
Chain Length:262
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:A0A6G1APX9 Pfam ID:PF01092

Protein Blast

Polymer Type:polypeptide(L)
Molecule:L9
Gene (Uniprot):RPL9
Chain IDs:H
Chain Length:122
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1SWI6 Pfam ID:PF00347

Protein Blast

Polymer Type:polypeptide(L)
Molecule:ribosomal protein eS7
Gene (Uniprot):RPS7
Chain IDs:ZA (auth: HH)
Chain Length:190
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1SVB0

Protein Blast

Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L10
Gene (Uniprot):RPL10
Chain IDs:I
Chain Length:117
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:B7NZQ2 Pfam ID:PF00252

Protein Blast

Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S8
Gene (Uniprot):RPS8
Chain IDs:AB (auth: II)
Chain Length:206
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1TJW1 Pfam ID:PF01201

Polymer Type:polypeptide(L)
Molecule:Ribosomal protein L11
Chain IDs:J
Chain Length:97
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

Protein Blast

Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S9
Gene (Uniprot):RPS9
Chain IDs:BB (auth: JJ)
Chain Length:194
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:A0A1S3APZ1 Pfam ID:PF00163, PF01479

Polymer Type:polyribonucleotide
Molecule:mRNA
Chain IDs:FC (auth: K)
Chain Length:69
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

Protein Blast

Polymer Type:polypeptide(L)
Molecule:S10_plectin domain-containing protein
Gene (Uniprot):RPS10
Chain IDs:CB (auth: KK)
Chain Length:98
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1T168 Pfam ID:PF03501

Protein Blast

Polymer Type:polypeptide(L)
Molecule:L13
Gene (Uniprot):RPL13
Chain IDs:K (auth: L)
Chain Length:211
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1TKB3 Pfam ID:PF01294

Protein Blast

Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S11
Gene (Uniprot):RPS11
Chain IDs:DB (auth: LL)
Chain Length:158
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1TRM4 Pfam ID:PF16205, PF00366

Protein Blast

Polymer Type:polypeptide(L)
Molecule:Ribosomal protein L14
Gene (Uniprot):RPL14
Chain IDs:L (auth: M)
Chain Length:128
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1SZ12 Pfam ID:PF01929

Protein Blast

Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S12
Gene (Uniprot):RPS12
Chain IDs:EB (auth: MM)
Chain Length:124
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1SFR8 Pfam ID:PF01248

Protein Blast

Polymer Type:polypeptide(L)
Molecule:Ribosomal protein L15
Gene (Uniprot):RPL15
Chain IDs:M (auth: N)
Chain Length:23
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1T0C1 Pfam ID:PF00827

Protein Blast

Polymer Type:polypeptide(L)
Molecule:ribosomal protein uS15
Gene (Uniprot):RPS13
Chain IDs:FB (auth: NN)
Chain Length:150
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1SP51 Pfam ID:PF08069, PF00312

Polymer Type:polypeptide(L)
Molecule:L13a
Chain IDs:N (auth: O)
Chain Length:142
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

Polymer Type:polypeptide(L)
Molecule:S14
Chain IDs:GB (auth: OO)
Chain Length:168
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

Polymer Type:polypeptide(L)
Molecule:L17
Chain IDs:O (auth: P)
Chain Length:91
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

Protein Blast

Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein uS19
Gene (Uniprot):RPS15
Chain IDs:HB (auth: PP)
Chain Length:145
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1U0Q2 Pfam ID:PF00203

Protein Blast

Polymer Type:polypeptide(L)
Molecule:Ribosomal_L18e/L15P domain-containing protein
Gene (Uniprot):RPL18
Chain IDs:P (auth: Q)
Chain Length:188
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:F6QKI9 Pfam ID:PF17135

Protein Blast

Polymer Type:polypeptide(L)
Molecule:Rps16 protein
Gene (Uniprot):Rps16
Chain IDs:IB (auth: QQ)
Chain Length:157
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:Q5CZY9 Pfam ID:PF00380

Protein Blast

Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L19
Gene (Uniprot):RPL19
Chain IDs:Q (auth: R)
Chain Length:196
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:Q3T0W9 Pfam ID:PF01280

Protein Blast

Polymer Type:polypeptide(L)
Molecule:S17
Gene (Uniprot):RPS17
Chain IDs:JB (auth: RR)
Chain Length:129
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1TU13 Pfam ID:PF00833

Polymer Type:polypeptide(L)
Molecule:L18a
Chain IDs:R (auth: S)
Chain Length:318
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

Protein Blast

Polymer Type:polypeptide(L)
Molecule:ribosomal protein uS13
Gene (Uniprot):RPS18
Chain IDs:KB (auth: SS)
Chain Length:137
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1TPG3 Pfam ID:PF00416

Protein Blast

Polymer Type:polypeptide(L)
Molecule:eL21
Gene (Uniprot):RPL21
Chain IDs:S (auth: T)
Chain Length:163
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1SHQ2 Pfam ID:PF01157

Polymer Type:polypeptide(L)
Molecule:S19
Chain IDs:LB (auth: TT)
Chain Length:141
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

Protein Blast

Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L22
Gene (Uniprot):RPL22
Chain IDs:T (auth: U)
Chain Length:128
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:Q4R5I3 Pfam ID:PF01776

Protein Blast

Polymer Type:polypeptide(L)
Molecule:Ribosomal_S10 domain-containing protein
Chain IDs:MB (auth: UU)
Chain Length:104
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:A0A5F9CX53 Pfam ID:PF00338

Protein Blast

Polymer Type:polypeptide(L)
Molecule:eL14
Gene (Uniprot):RPL23
Chain IDs:U (auth: V)
Chain Length:131
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1T6D1 Pfam ID:PF00238

Polymer Type:polypeptide(L)
Molecule:S21
Chain IDs:NB (auth: VV)
Chain Length:83
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

Protein Blast

Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L24-like protein
Gene (Uniprot):H671_4g12624
Chain IDs:V (auth: W)
Chain Length:134
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:A0A061I3X8 Pfam ID:PF01246

Polymer Type:polypeptide(L)
Molecule:Ribosomal protein S15a
Chain IDs:OB (auth: WW)
Chain Length:139
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

Protein Blast

Polymer Type:polypeptide(L)
Molecule:uL23
Gene (Uniprot):RPL23A
Chain IDs:W (auth: X)
Chain Length:156
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1SE76 Pfam ID:PF03939, PF00276

Protein Blast

Polymer Type:polypeptide(L)
Molecule:Ribosomal protein S23
Gene (Uniprot):RPS23
Chain IDs:PB (auth: XX)
Chain Length:141
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1SZ47 Pfam ID:PF00164

Protein Blast

Polymer Type:polypeptide(L)
Molecule:Ribosomal protein L26
Gene (Uniprot):RPL26
Chain IDs:X (auth: Y)
Chain Length:134
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1SQH0 Pfam ID:PF16906, PF00467

Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S24
Chain IDs:QB (auth: YY)
Chain Length:146
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

Protein Blast

Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L27
Gene (Uniprot):RPL27
Chain IDs:Y (auth: Z)
Chain Length:135
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1TXF6 Pfam ID:PF00467, PF01777

Protein Blast

Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S25
Gene (Uniprot):RPS25
Chain IDs:RB (auth: ZZ)
Chain Length:123
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1TDB3 Pfam ID:PF03297

Polymer Type:polypeptide(L)
Molecule:uL15
Chain IDs:Z (auth: a)
Chain Length:160
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S26
Chain IDs:SB (auth: aa)
Chain Length:295
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L29
Chain IDs:AA (auth: b)
Chain Length:403
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

Protein Blast

Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S27
Gene (Uniprot):RPS27
Chain IDs:TB (auth: bb)
Chain Length:264
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1TZ76 Pfam ID:PF01667

Protein Blast

Polymer Type:polypeptide(L)
Molecule:eL30
Gene (Uniprot):RPL30
Chain IDs:BA (auth: c)
Chain Length:115
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1TDL2 Pfam ID:PF01248

Protein Blast

Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S28
Gene (Uniprot):RPS28
Chain IDs:UB (auth: cc)
Chain Length:69
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1TIB4 Pfam ID:PF01200

Protein Blast

Polymer Type:polypeptide(L)
Molecule:eL31
Gene (Uniprot):RPL31
Chain IDs:CA (auth: d)
Chain Length:107
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1SHG0 Pfam ID:PF01198

Protein Blast

Polymer Type:polypeptide(L)
Molecule:ribosomal protein uS14
Gene (Uniprot):RPS29
Chain IDs:VB (auth: dd)
Chain Length:53
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1U7M4 Pfam ID:PF00253

Protein Blast

Polymer Type:polypeptide(L)
Molecule:eL32
Gene (Uniprot):RPL32
Chain IDs:DA (auth: e)
Chain Length:128
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1TUN8 Pfam ID:PF01655

Protein Blast

Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S30
Gene (Uniprot):FAU
Chain IDs:WB (auth: ee)
Chain Length:262
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1T8A2 Pfam ID:PF00240, PF04758

Protein Blast

Polymer Type:polypeptide(L)
Molecule:eL33
Gene (Uniprot):RPL35A
Chain IDs:EA (auth: f)
Chain Length:249
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1SF08 Pfam ID:PF01247

Polymer Type:polypeptide(L)
Molecule:S27a
Chain IDs:XB (auth: ff)
Chain Length:205
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

Protein Blast

Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L34
Chain IDs:FA (auth: g)
Chain Length:241
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1TXG5 Pfam ID:PF01199

Protein Blast

Polymer Type:polypeptide(L)
Molecule:ribosomal protein RACK1
Gene (Uniprot):RACK1
Chain IDs:YB (auth: gg)
Chain Length:262
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1SJB4 Pfam ID:PF00400

Protein Blast

Polymer Type:polypeptide(L)
Molecule:uL29
Gene (Uniprot):RPL35
Chain IDs:GA (auth: h)
Chain Length:122
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1SIT5 Pfam ID:PF00831

Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L36
Chain IDs:HA (auth: i)
Chain Length:117
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

Protein Blast

Polymer Type:polypeptide(L)
Molecule:Ribosomal protein L37
Gene (Uniprot):RPL37
Chain IDs:IA (auth: j)
Chain Length:97
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:U3KPD5 Pfam ID:PF01907

Polymer Type:polypeptide(L)
Molecule:L38
Chain IDs:JA (auth: k)
Chain Length:69
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

Protein Blast

Polymer Type:polypeptide(L)
Molecule:ribosomal protein eL39
Gene (Uniprot):RPL39
Chain IDs:KA (auth: l)
Chain Length:211
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1SYU7 Pfam ID:PF00832

Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L40
Chain IDs:LA (auth: m)
Chain Length:128
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

Protein Blast

Polymer Type:polypeptide(L)
Molecule:60s ribosomal protein l41
Gene (Uniprot):RPL41
Chain IDs:MA (auth: n)
Chain Length:23
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:A0A087WNH4 Pfam ID:PF05162

Protein Blast

Polymer Type:polypeptide(L)
Molecule:LOW QUALITY PROTEIN: 60S ribosomal protein L36a
Gene (Uniprot):Rpl36a
Chain IDs:NA (auth: o)
Chain Length:142
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:A0A6P5P305 Pfam ID:PF00935

Protein Blast

Polymer Type:polypeptide(L)
Molecule:ribosomal protein eL43
Gene (Uniprot):RPL37A
Chain IDs:OA (auth: p)
Chain Length:91
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1SY53 Pfam ID:PF01780

Protein Blast

Polymer Type:polypeptide(L)
Molecule:eL28
Gene (Uniprot):RPL28
Chain IDs:PA (auth: r)
Chain Length:196
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1U7L1 Pfam ID:PF01778

Protein Blast

Polymer Type:polypeptide(L)
Molecule:60S acidic ribosomal protein P0
Gene (Uniprot):RPLP0
Chain IDs:QA (auth: s)
Chain Length:318
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1SPK4 Pfam ID:PF00466, PF17777, PF00428

Protein Blast

Polymer Type:polypeptide(L)
Molecule:L12
Gene (Uniprot):RPL12
Chain IDs:RA (auth: t)
Chain Length:163
Number of Molecules:1
Biological Source:Oryctolagus cuniculus

UniProt ID:G1SMR7 Pfam ID:PF03946, PF00298

Ligand Molecules

BLS

Primary Citation

Blasticidin S inhibits mammalian translation and enhances production of protein encoded by nonsense mRNA.

Powers, K.T, Stevenson-Jones, F, Yadav, S.K.N, Amthor, B, Bufton, J.C, Borucu, U, Shen, D, Becker, J.P, Lavysh, D, Hentze, M.W, Kulozik, A.E, Neu-Yilik, G, Schaffitzel, C.Show

Nucleic Acids Res. 49 7665 7679 (2021)

PMID: 34157102 DOI: 10.1093/nar/gkab532

Abstact

Deciphering translation is of paramount importance for the understanding of many diseases, and antibiotics played a pivotal role in this endeavour. Blasticidin S (BlaS) targets translation by binding to the peptidyl transferase center of the large ribosomal subunit. Using biochemical, structural and cellular approaches, we show here that BlaS inhibits both translation elongation and termination in Mammalia. Bound to mammalian terminating ribosomes, BlaS distorts the 3'CCA tail of the P-site tRNA to a larger extent than previously reported for bacterial ribosomes, thus delaying both, peptide bond formation and peptidyl-tRNA hydrolysis. While BlaS does not inhibit stop codon recognition by the eukaryotic release factor 1 (eRF1), it interferes with eRF1's accommodation into the peptidyl transferase center and subsequent peptide release. In human cells, BlaS inhibits nonsense-mediated mRNA decay and, at subinhibitory concentrations, modulates translation dynamics at premature termination codons leading to enhanced protein production.

Legend

Protein

Chemical

Disease

Primary Citation of related structures