7A5G image
Deposition Date 2020-08-21
Release Date 2020-12-23
Last Version Date 2024-10-23
Entry Detail
PDB ID:
7A5G
Keywords:
Title:
Structure of the elongating human mitoribosome bound to mtEF-Tu.GMPPCP and A/T mt-tRNA
Biological Source:
Method Details:
Experimental Method:
Resolution:
4.33 Å
Aggregation State:
PARTICLE
Reconstruction Method:
SINGLE PARTICLE
Macromolecular Entities
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L32, mi
Gene (Uniprot):MRPL32
Chain IDs:Z (auth: 03)
Chain Length:188
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L33, mi
Gene (Uniprot):MRPL33
Chain IDs:AA (auth: 13)
Chain Length:65
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L34, mi
Gene (Uniprot):MRPL34
Chain IDs:BA (auth: 23)
Chain Length:92
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polyribonucleotide
Molecule:P tRNA
Chain IDs:IC (auth: 24), NC (auth: C)
Chain Length:73
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L35, mi
Gene (Uniprot):MRPL35
Chain IDs:CA (auth: 33)
Chain Length:188
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L36, mi
Gene (Uniprot):MRPL36
Chain IDs:DA (auth: 43)
Chain Length:103
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L37, mi
Gene (Uniprot):MRPL37
Chain IDs:EA (auth: 53)
Chain Length:423
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L38, mi
Gene (Uniprot):MRPL38
Chain IDs:FA (auth: 63)
Chain Length:380
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L39, mi
Gene (Uniprot):MRPL39
Chain IDs:GA (auth: 73)
Chain Length:338
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L41, mi
Gene (Uniprot):MRPL41
Chain IDs:HA (auth: 93)
Chain Length:137
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L40, mi
Gene (Uniprot):MRPL40
Chain IDs:KC (auth: A)
Chain Length:206
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polyribonucleotide
Molecule:16S rRNA
Chain IDs:B (auth: A3)
Chain Length:1559
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Oxa1L tail
Chain IDs:CB (auth: A5)
Chain Length:28
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polyribonucleotide
Molecule:12S rRNA
Chain IDs:HC (auth: A6)
Chain Length:954
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polyribonucleotide
Molecule:mt-tRNAVal
Chain IDs:C (auth: B3)
Chain Length:69
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S2, mit
Gene (Uniprot):MRPS2
Chain IDs:DB (auth: B6)
Chain Length:296
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S24, mi
Gene (Uniprot):MRPS24
Chain IDs:EB (auth: C6)
Chain Length:167
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L2, mit
Gene (Uniprot):MRPL2
Chain IDs:D (auth: D3)
Chain Length:305
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S5, mit
Gene (Uniprot):MRPS5
Chain IDs:FB (auth: D6)
Chain Length:430
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L3, mit
Gene (Uniprot):MRPL3
Chain IDs:E (auth: E3)
Chain Length:348
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S6, mit
Gene (Uniprot):MRPS6
Chain IDs:GB (auth: E6)
Chain Length:125
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L4, mit
Gene (Uniprot):MRPL4
Chain IDs:F (auth: F3)
Chain Length:311
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S7, mit
Gene (Uniprot):MRPS7
Chain IDs:HB (auth: F6)
Chain Length:242
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S9, mit
Gene (Uniprot):MRPS9
Chain IDs:IB (auth: G6)
Chain Length:396
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L9, mit
Gene (Uniprot):MRPL9
Chain IDs:G (auth: H3), OC (auth: D)
Chain Length:267
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S10, mi
Gene (Uniprot):MRPS10
Chain IDs:JB (auth: H6)
Chain Length:201
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L10, mi
Gene (Uniprot):MRPL10
Chain IDs:H (auth: I3)
Chain Length:261
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S11, mi
Gene (Uniprot):MRPS11
Chain IDs:KB (auth: I6)
Chain Length:194
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L11, mi
Gene (Uniprot):MRPL11
Chain IDs:I (auth: J3)
Chain Length:192
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S12, mi
Gene (Uniprot):MRPS12
Chain IDs:LB (auth: J6)
Chain Length:138
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L13, mi
Gene (Uniprot):MRPL13
Chain IDs:J (auth: K3)
Chain Length:178
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S14, mi
Gene (Uniprot):MRPS14
Chain IDs:MB (auth: K6)
Chain Length:128
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L14, mi
Gene (Uniprot):MRPL14
Chain IDs:K (auth: L3)
Chain Length:145
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S15, mi
Gene (Uniprot):MRPS15
Chain IDs:NB (auth: L6)
Chain Length:257
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L15, mi
Gene (Uniprot):MRPL15
Chain IDs:L (auth: M3)
Chain Length:296
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S16, mi
Gene (Uniprot):MRPS16
Chain IDs:OB (auth: M6)
Chain Length:137
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L16, mi
Gene (Uniprot):MRPL16
Chain IDs:M (auth: N3)
Chain Length:251
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S17, mi
Gene (Uniprot):MRPS17
Chain IDs:PB (auth: N6)
Chain Length:130
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L17, mi
Gene (Uniprot):MRPL17
Chain IDs:N (auth: O3)
Chain Length:175
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S18b, m
Gene (Uniprot):MRPS18B
Chain IDs:QB (auth: O6)
Chain Length:258
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L18, mi
Gene (Uniprot):MRPL18
Chain IDs:O (auth: P3)
Chain Length:180
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S18c, m
Gene (Uniprot):MRPS18C
Chain IDs:RB (auth: P6)
Chain Length:142
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L19, mi
Gene (Uniprot):MRPL19
Chain IDs:P (auth: Q3)
Chain Length:292
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S21, mi
Gene (Uniprot):MRPS21
Chain IDs:SB (auth: Q6)
Chain Length:87
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L20, mi
Gene (Uniprot):MRPL20
Chain IDs:Q (auth: R3)
Chain Length:149
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S22, mi
Gene (Uniprot):MRPS22
Chain IDs:TB (auth: R6)
Chain Length:360
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L21, mi
Gene (Uniprot):MRPL21
Chain IDs:R (auth: S3)
Chain Length:205
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S23, mi
Gene (Uniprot):MRPS23
Chain IDs:UB (auth: S6)
Chain Length:190
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L22, mi
Gene (Uniprot):MRPL22
Chain IDs:S (auth: T3)
Chain Length:206
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S25, mi
Gene (Uniprot):MRPS25
Chain IDs:VB (auth: T6)
Chain Length:173
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L23, mi
Gene (Uniprot):MRPL23
Chain IDs:T (auth: U3)
Chain Length:153
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S26, mi
Gene (Uniprot):MRPS26
Chain IDs:WB (auth: U6)
Chain Length:205
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L24, mi
Gene (Uniprot):MRPL24
Chain IDs:U (auth: V3)
Chain Length:216
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S27, mi
Gene (Uniprot):MRPS27
Chain IDs:XB (auth: V6)
Chain Length:414
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L27, mi
Gene (Uniprot):MRPL27
Chain IDs:V (auth: W3)
Chain Length:148
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S28, mi
Gene (Uniprot):MRPS28
Chain IDs:YB (auth: W6)
Chain Length:187
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L28, mi
Gene (Uniprot):MRPL28
Chain IDs:W (auth: X3)
Chain Length:256
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S29, mi
Gene (Uniprot):DAP3
Chain IDs:ZB (auth: X6)
Chain Length:398
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:nascent chain
Chain IDs:A (auth: Y2)
Chain Length:29
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L47, mi
Gene (Uniprot):MRPL47
Chain IDs:X (auth: Y3)
Chain Length:250
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S31, mi
Gene (Uniprot):MRPS31
Chain IDs:AC (auth: Y6)
Chain Length:395
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Elongation factor Tu, mitocho
Gene (Uniprot):TUFM
Chain IDs:LC (auth: Z)
Chain Length:452
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L30, mi
Gene (Uniprot):MRPL30
Chain IDs:Y (auth: Z3)
Chain Length:161
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S33, mi
Gene (Uniprot):MRPS33
Chain IDs:BC (auth: Z6)
Chain Length:106
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L42, mi
Gene (Uniprot):MRPL42
Chain IDs:IA (auth: a3)
Chain Length:142
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S34, mi
Gene (Uniprot):MRPS34
Chain IDs:CC (auth: a6)
Chain Length:218
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L43, mi
Gene (Uniprot):MRPL43
Chain IDs:JA (auth: b3)
Chain Length:215
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S35, mi
Gene (Uniprot):MRPS35
Chain IDs:DC (auth: b6)
Chain Length:323
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L44, mi
Gene (Uniprot):MRPL44
Chain IDs:KA (auth: c3)
Chain Length:332
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Coiled-coil-helix-coiled-coil
Gene (Uniprot):CHCHD1
Chain IDs:EC (auth: c6)
Chain Length:118
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L45, mi
Gene (Uniprot):MRPL45
Chain IDs:LA (auth: d3)
Chain Length:306
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Aurora kinase A-interacting p
Gene (Uniprot):AURKAIP1
Chain IDs:FC (auth: d6)
Chain Length:199
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L46, mi
Gene (Uniprot):MRPL46
Chain IDs:MA (auth: e3)
Chain Length:279
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Pentatricopeptide repeat doma
Gene (Uniprot):PTCD3
Chain IDs:GC (auth: e6)
Chain Length:689
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L48, mi
Gene (Uniprot):MRPL48
Chain IDs:NA (auth: f3)
Chain Length:212
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L49, mi
Gene (Uniprot):MRPL49
Chain IDs:OA (auth: g3)
Chain Length:166
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L50, mi
Gene (Uniprot):MRPL50
Chain IDs:PA (auth: h3)
Chain Length:158
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L51, mi
Gene (Uniprot):MRPL51
Chain IDs:QA (auth: i3)
Chain Length:128
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polyribonucleotide
Molecule:mRNA
Chain IDs:JC (auth: i4)
Chain Length:10
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polyribonucleotide
Molecule:E tRNA
Chain IDs:MC (auth: j)
Chain Length:76
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L52, mi
Gene (Uniprot):MRPL52
Chain IDs:RA (auth: j3)
Chain Length:123
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L53, mi
Gene (Uniprot):MRPL53
Chain IDs:SA (auth: k3)
Chain Length:112
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L54, mi
Gene (Uniprot):MRPL54
Chain IDs:TA (auth: l3)
Chain Length:138
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L55, mi
Gene (Uniprot):MRPL55
Chain IDs:UA (auth: m3)
Chain Length:128
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L1
Chain IDs:PC (auth: n)
Chain Length:229
Number of Molecules:1
Biological Source:Thermus thermophilus (strain HB27 / ATCC BAA-163 / DSM 7039)
Polymer Type:polypeptide(L)
Molecule:Ribosomal protein 63, mitocho
Gene (Uniprot):MRPL57
Chain IDs:VA (auth: o3)
Chain Length:102
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Peptidyl-tRNA hydrolase ICT1,
Gene (Uniprot):MRPL58
Chain IDs:WA (auth: p3)
Chain Length:206
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Growth arrest and DNA damage-
Gene (Uniprot):GADD45GIP1
Chain IDs:XA (auth: q3)
Chain Length:222
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein S18a, m
Gene (Uniprot):MRPS18A
Chain IDs:YA (auth: r3)
Chain Length:196
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein S30, mi
Gene (Uniprot):MRPS30
Chain IDs:ZA (auth: s3), AB (auth: t3)
Chain Length:467
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polyribonucleotide
Molecule:RNA (5'-R(P*CP*A)-3')
Chain IDs:BB (auth: u3)
Chain Length:2
Number of Molecules:1
Biological Source:Homo sapiens
Primary Citation
Elongational stalling activates mitoribosome-associated quality control.
Science 370 1105 1110 (2020)
PMID: 33243891 DOI: 10.1126/science.abc7782

Abstact

The human mitochondrial ribosome (mitoribosome) and associated proteins regulate the synthesis of 13 essential subunits of the oxidative phosphorylation complexes. We report the discovery of a mitoribosome-associated quality control pathway that responds to interruptions during elongation, and we present structures at 3.1- to 3.3-angstrom resolution of mitoribosomal large subunits trapped during ribosome rescue. Release factor homolog C12orf65 (mtRF-R) and RNA binding protein C6orf203 (MTRES1) eject the nascent chain and peptidyl transfer RNA (tRNA), respectively, from stalled ribosomes. Recruitment of mitoribosome biogenesis factors to these quality control intermediates suggests additional roles for these factors during mitoribosome rescue. We also report related cryo-electron microscopy structures (3.7 to 4.4 angstrom resolution) of elongating mitoribosomes bound to tRNAs, nascent polypeptides, the guanosine triphosphatase elongation factors mtEF-Tu and mtEF-G1, and the Oxa1L translocase.

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Primary Citation of related structures
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