6YWX image
Deposition Date 2020-04-30
Release Date 2020-11-11
Last Version Date 2024-10-23
Entry Detail
PDB ID:
6YWX
Keywords:
Title:
The structure of the mitoribosome from Neurospora crassa with tRNA bound to the E-site
Biological Source:
Source Organism:
Method Details:
Experimental Method:
Resolution:
3.10 Å
Aggregation State:
PARTICLE
Reconstruction Method:
SINGLE PARTICLE
Macromolecular Entities
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Ribosomal protein
Gene (Uniprot):rtc6
Chain IDs:BA (auth: 0)
Chain Length:124
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:IF1
Gene (Uniprot):inh1
Chain IDs:ZB (auth: 00), AC (auth: 99)
Chain Length:95
Number of Molecules:2
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Mitochondrial large ribosomal subunit YmL35
Gene (Uniprot):mrpl35
Chain IDs:CA (auth: 1)
Chain Length:449
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:37S ribosomal protein mrp10, mitochondrial
Gene (Uniprot):mrp10
Chain IDs:RB (auth: 11)
Chain Length:90
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Polymer Type:polypeptide(L)
Molecule:mL40
Chain IDs:DA (auth: 2)
Chain Length:370
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:DUF1713 domain-containing protein
Gene (Uniprot):cox24
Chain IDs:SB (auth: 22)
Chain Length:344
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:mL41
Gene (Uniprot):mrpl27
Chain IDs:EA (auth: 3)
Chain Length:103
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:IGR domain-containing protein
Gene (Uniprot):fyv4
Chain IDs:TB (auth: 33)
Chain Length:236
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Mitochondrial ribosomal protein L43
Gene (Uniprot):mrpl51
Chain IDs:FA (auth: 4)
Chain Length:138
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Fe superoxide dismutase
Gene (Uniprot):rsm26
Chain IDs:UB (auth: 44), VB (auth: 55)
Chain Length:310
Number of Molecules:2
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L3
Gene (Uniprot):mrpl3
Chain IDs:GA (auth: 5)
Chain Length:439
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:50S ribosomal subunit L30
Gene (Uniprot):mrpl17
Chain IDs:HA (auth: 6)
Chain Length:368
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:mS45
Gene (Uniprot):mrps35
Chain IDs:WB (auth: 66)
Chain Length:348
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:mL49
Gene (Uniprot):img2
Chain IDs:IA (auth: 7)
Chain Length:165
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:mS46
Gene (Uniprot):rsm28
Chain IDs:XB (auth: 77)
Chain Length:414
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:mL50
Gene (Uniprot):mrpl13
Chain IDs:JA (auth: 8)
Chain Length:443
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:3-hydroxyisobutyryl-CoA hydrolase, mitochondrial
Gene (Uniprot):ehd3
Chain IDs:YB (auth: 88)
Chain Length:508
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:RNase III domain-containing protein
Gene (Uniprot):mrpl15
Chain IDs:MA (auth: 9)
Chain Length:267
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Polymer Type:polyribonucleotide
Molecule:23S rRNA
Chain IDs:A
Chain Length:3464
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:bS1m
Gene (Uniprot):mrp51
Chain IDs:RA (auth: AA)
Chain Length:1864
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L2
Gene (Uniprot):rml2
Chain IDs:B
Chain Length:383
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Mito ribosomal protein S2
Gene (Uniprot):mrp4
Chain IDs:SA (auth: BB)
Chain Length:428
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L3
Gene (Uniprot):mrpl9
Chain IDs:C
Chain Length:384
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Ribosomal protein S5, mitochondrial
Gene (Uniprot):var1
Chain IDs:TA (auth: CC)
Chain Length:508
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L4, variant
Gene (Uniprot):yml6
Chain IDs:D
Chain Length:325
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Mito ribosomal protein S4
Gene (Uniprot):NAM9
Chain IDs:UA (auth: DD)
Chain Length:453
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L5
Gene (Uniprot):mrpl7
Chain IDs:E
Chain Length:303
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:37S ribosomal protein S5
Gene (Uniprot):mrps5
Chain IDs:VA (auth: EE)
Chain Length:477
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L6
Gene (Uniprot):mrpl6
Chain IDs:F
Chain Length:347
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Mito ribosomal protein S6
Gene (Uniprot):mrp17
Chain IDs:WA (auth: FF)
Chain Length:117
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:RIBOSOMAL_L9 domain-containing protein
Gene (Uniprot):mrpl50
Chain IDs:G
Chain Length:300
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Ribosomal_S7 domain-containing protein
Gene (Uniprot):rsm7
Chain IDs:XA (auth: GG)
Chain Length:309
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Ribosomal protein L13
Gene (Uniprot):mrpl23
Chain IDs:J (auth: H)
Chain Length:98
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S8
Gene (Uniprot):mrps8
Chain IDs:YA (auth: HH)
Chain Length:161
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L14
Gene (Uniprot):mrpl38
Chain IDs:K (auth: I)
Chain Length:131
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:37S ribosomal protein S9, mitochondrial
Gene (Uniprot):mrp-9
Chain IDs:ZA (auth: II)
Chain Length:315
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:50S ribosomal subunit protein L15
Gene (Uniprot):mrpl10
Chain IDs:L (auth: J)
Chain Length:312
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:37S ribosomal protein S10, mitochondrial
Gene (Uniprot):mrp-10
Chain IDs:AB (auth: JJ)
Chain Length:268
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L16
Gene (Uniprot):mrpl16
Chain IDs:M (auth: K)
Chain Length:249
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Mitochondrial ribosomal protein subunit S18
Gene (Uniprot):mrps18
Chain IDs:BB (auth: KK)
Chain Length:376
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L17
Gene (Uniprot):mrpl8
Chain IDs:N (auth: L)
Chain Length:193
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Mitochondrial 30S ribosomal protein S12
Gene (Uniprot):mrps12
Chain IDs:CB (auth: LL)
Chain Length:174
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Mitochondrial ribosomal protein
Gene (Uniprot):img1
Chain IDs:O (auth: M)
Chain Length:258
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S13
Gene (Uniprot):sws2
Chain IDs:DB (auth: MM)
Chain Length:119
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Aconitate hydratase
Gene (Uniprot):mrpl49
Chain IDs:P (auth: N)
Chain Length:217
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Mitochondrial 40S ribosomal protein MRP2
Gene (Uniprot):mrp2
Chain IDs:EB (auth: NN)
Chain Length:113
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Mitochondrial large ribosomal subunit
Gene (Uniprot):mrpl22
Chain IDs:Q (auth: O)
Chain Length:364
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Ribosomal protein S15
Gene (Uniprot):mrps28
Chain IDs:FB (auth: OO)
Chain Length:320
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Mitochondrial ribosomal protein subunit L23
Gene (Uniprot):mrp20
Chain IDs:R (auth: P)
Chain Length:228
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Ribosomal protein S16, mitochondrial
Gene (Uniprot):cyt-21
Chain IDs:GB (auth: PP)
Chain Length:107
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:KOW domain-containing protein
Gene (Uniprot):mrpl40
Chain IDs:S (auth: Q)
Chain Length:396
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Mitochondrial 37S ribosomal protein S17
Gene (Uniprot):mrps17
Chain IDs:HB (auth: QQ)
Chain Length:165
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:bL27m
Gene (Uniprot):mrp7
Chain IDs:T (auth: R)
Chain Length:447
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Mito ribosomal protein S18
Gene (Uniprot):rsm18
Chain IDs:IB (auth: RR)
Chain Length:256
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L24
Gene (Uniprot):mrpl24
Chain IDs:U (auth: S)
Chain Length:274
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Mitochondrial ribosomal protein S19
Gene (Uniprot):rsm19
Chain IDs:JB (auth: SS)
Chain Length:91
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:54S ribosomal protein L4, mitochondrial
Gene (Uniprot):mrpl4
Chain IDs:V (auth: T)
Chain Length:263
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Mito ribosomal protein S21
Gene (Uniprot):mrp21
Chain IDs:KB (auth: TT)
Chain Length:236
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:50S ribosomal protein L30
Gene (Uniprot):mrpl33
Chain IDs:W (auth: U)
Chain Length:161
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:37S ribosomal protein S25, mitochondrial
Gene (Uniprot):rsm25
Chain IDs:LB (auth: UU)
Chain Length:253
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:bL31m
Gene (Uniprot):mrpl36
Chain IDs:X (auth: V)
Chain Length:219
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:mS26
Gene (Uniprot):pet123
Chain IDs:MB (auth: VV)
Chain Length:316
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Mitochondrial ribosomal protein subunit L32
Gene (Uniprot):mrpl32
Chain IDs:Y (auth: W)
Chain Length:129
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:mS27
Gene (Uniprot):mrp13
Chain IDs:NB (auth: WW)
Chain Length:396
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:bL33m
Gene (Uniprot):mrpl39
Chain IDs:Z (auth: X)
Chain Length:59
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Mitochondrial ribosomal protein DAP3
Gene (Uniprot):rsm23
Chain IDs:OB (auth: XX)
Chain Length:469
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Related to ribosomal protein L34, mitochondrial
Gene (Uniprot):mrpl34
Chain IDs:AA (auth: Y)
Chain Length:140
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:mS33
Gene (Uniprot):rsm27
Chain IDs:PB (auth: YY)
Chain Length:108
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:37S ribosomal protein S24, mitochondrial
Gene (Uniprot):rsm24
Chain IDs:QB (auth: ZZ)
Chain Length:382
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L20
Gene (Uniprot):mrpl20
Chain IDs:NA (auth: a)
Chain Length:3464
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Polymer Type:polyribonucleotide
Molecule:16S rRNA
Chain IDs:BC (auth: aa)
Chain Length:1864
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Mitochondrial 60S ribosomal protein L25
Gene (Uniprot):mrpl25
Chain IDs:OA (auth: b)
Chain Length:383
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Polymer Type:polyribonucleotide
Molecule:tRNA E-site
Chain IDs:CC (auth: bb)
Chain Length:428
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:54S ribosomal protein L31, mitochondrial
Gene (Uniprot):mrpl31
Chain IDs:PA (auth: c)
Chain Length:384
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:mL67
Gene (Uniprot):mhr1
Chain IDs:QA (auth: d)
Chain Length:325
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L1
Gene (Uniprot):mrpl1
Chain IDs:DC (auth: e)
Chain Length:303
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:uL10m
Gene (Uniprot):mrpl11
Chain IDs:H (auth: f)
Chain Length:347
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L19
Gene (Uniprot):mrpl19
Chain IDs:I (auth: g)
Chain Length:300
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Mitochondrial ribosomal protein L44
Gene (Uniprot):mrpl44
Chain IDs:KA (auth: h)
Chain Length:98
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:mL54
Gene (Uniprot):mrpl37
Chain IDs:LA (auth: i)
Chain Length:131
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:L51_S25_CI-B8 domain-containing protein
Gene (Uniprot):mrp49
Chain IDs:EC (auth: j)
Chain Length:312
Number of Molecules:1
Biological Source:Neurospora crassa OR74A
Primary Citation
Analysis of translating mitoribosome reveals functional characteristics of translation in mitochondria of fungi.
Nat Commun 11 5187 5187 (2020)
PMID: 33056988 DOI: 10.1038/s41467-020-18830-w

Abstact

Mitoribosomes are specialized protein synthesis machineries in mitochondria. However, how mRNA binds to its dedicated channel, and tRNA moves as the mitoribosomal subunit rotate with respect to each other is not understood. We report models of the translating fungal mitoribosome with mRNA, tRNA and nascent polypeptide, as well as an assembly intermediate. Nicotinamide adenine dinucleotide (NAD) is found in the central protuberance of the large subunit, and the ATPase inhibitory factor 1 (IF1) in the small subunit. The models of the active mitoribosome explain how mRNA binds through a dedicated protein platform on the small subunit, tRNA is translocated with the help of the protein mL108, bridging it with L1 stalk on the large subunit, and nascent polypeptide paths through a newly shaped exit tunnel involving a series of structural rearrangements. An assembly intermediate is modeled with the maturation factor Atp25, providing insight into the biogenesis of the mitoribosomal large subunit and translation regulation.

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Primary Citation of related structures