7QI5 image
Deposition Date 2021-12-14
Release Date 2023-07-05
Last Version Date 2026-09-16
Entry Detail
PDB ID:
7QI5
Keywords:
Title:
Human mitochondrial ribosome in complex with mRNA, A/A-, P/P- and E/E-tRNAs at 2.63 A resolution
Biological Source:
Source Organism(s):
Homo sapiens (Taxon ID: 9606)
Method Details:
Experimental Method:
Resolution:
2.63 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:GB (auth: 0)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L33, mi
Gene (Uniprot):MRPL33
Chain IDs:HB (auth: 1)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L34, mi
Gene (Uniprot):MRPL34
Chain IDs:IB (auth: 2)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L35, mi
Gene (Uniprot):MRPL35
Chain IDs:JB (auth: 3)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L36, mi
Gene (Uniprot):MRPL36
Chain IDs:KB (auth: 4)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L37, mi
Gene (Uniprot):MRPL37
Chain IDs:LB (auth: 5)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L38, mi
Gene (Uniprot):MRPL38
Chain IDs:MB (auth: 6)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L39, mi
Gene (Uniprot):MRPL39
Chain IDs:NB (auth: 7)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L40, mi
Gene (Uniprot):MRPL40
Chain IDs:OB (auth: 8)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L41, mi
Gene (Uniprot):MRPL41
Chain IDs:PB (auth: 9)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polyribonucleotide
Molecule:16S mitochondrial rRNA
Chain IDs:JA (auth: A)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S34, mi
Gene (Uniprot):MRPS34
Chain IDs:AA (auth: A0)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S35, mi
Gene (Uniprot):MRPS35
Chain IDs:BA (auth: A1)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Coiled-coil-helix-coiled-coil
Gene (Uniprot):CHCHD1
Chain IDs:CA (auth: A2)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Aurora kinase A-interacting p
Gene (Uniprot):AURKAIP1
Chain IDs:DA (auth: A3)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Pentatricopeptide repeat doma
Gene (Uniprot):PTCD3
Chain IDs:EA (auth: A4)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polyribonucleotide
Molecule:12S mitochondrial rRNA
Chain IDs:A (auth: AA)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S2, mit
Gene (Uniprot):MRPS2
Chain IDs:B (auth: AB)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S24, mi
Gene (Uniprot):MRPS24
Chain IDs:C (auth: AC)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S5, mit
Gene (Uniprot):MRPS5
Chain IDs:D (auth: AD)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S6, mit
Gene (Uniprot):MRPS6
Chain IDs:E (auth: AE)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S7, mit
Gene (Uniprot):MRPS7
Chain IDs:F (auth: AF)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S9, mit
Gene (Uniprot):MRPS9
Chain IDs:G (auth: AG)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S10, mi
Gene (Uniprot):MRPS10
Chain IDs:H (auth: AH)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S11, mi
Gene (Uniprot):MRPS11
Chain IDs:I (auth: AI)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S12, mi
Gene (Uniprot):MRPS12
Chain IDs:J (auth: AJ)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S14, mi
Gene (Uniprot):MRPS14
Chain IDs:K (auth: AK)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S15, mi
Gene (Uniprot):MRPS15
Chain IDs:L (auth: AL)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S16, mi
Gene (Uniprot):MRPS16
Chain IDs:M (auth: AM)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S17, mi
Gene (Uniprot):MRPS17
Chain IDs:N (auth: AN)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S18b, m
Gene (Uniprot):MRPS18B
Chain IDs:O (auth: AO)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S18c, m
Gene (Uniprot):MRPS18C
Chain IDs:P (auth: AP)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:MRPS21 isoform 1
Gene (Uniprot):MRPS21
Chain IDs:Q (auth: AQ)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S22, mi
Gene (Uniprot):MRPS22
Chain IDs:R (auth: AR)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S23, mi
Gene (Uniprot):MRPS23
Chain IDs:S (auth: AS)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S25, mi
Gene (Uniprot):MRPS25
Chain IDs:T (auth: AT)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S26, mi
Gene (Uniprot):MRPS26
Chain IDs:U (auth: AU)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S27, mi
Gene (Uniprot):MRPS27
Chain IDs:V (auth: AV)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S28, mi
Gene (Uniprot):MRPS28
Chain IDs:W (auth: AW)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S29, mi
Gene (Uniprot):DAP3
Chain IDs:X (auth: AX)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S31, mi
Gene (Uniprot):MRPS31
Chain IDs:Y (auth: AY)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:28S ribosomal protein S33, mi
Gene (Uniprot):MRPS33
Chain IDs:Z (auth: AZ)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polyribonucleotide
Molecule:A/A-tRNA
Chain IDs:FA (auth: Aw)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polyribonucleotide
Molecule:P/P-tRNA
Chain IDs:GA (auth: Ax)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polyribonucleotide
Molecule:E/E-tRNA
Chain IDs:HA (auth: Ay)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polyribonucleotide
Molecule:mRNA
Chain IDs:IA (auth: Az)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polyribonucleotide
Molecule:mitochondrial tRNAVal
Chain IDs:KA (auth: B)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L2, mit
Gene (Uniprot):MRPL2
Chain IDs:LA (auth: D)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L3, mit
Gene (Uniprot):MRPL3
Chain IDs:MA (auth: E)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L4, mit
Gene (Uniprot):MRPL4
Chain IDs:NA (auth: F)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L9, mit
Gene (Uniprot):MRPL9
Chain IDs:OC (auth: H)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L10, mi
Gene (Uniprot):MRPL10
Chain IDs:OA (auth: I)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L11, mi
Gene (Uniprot):MRPL11
Chain IDs:PA (auth: J)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L13, mi
Gene (Uniprot):MRPL13
Chain IDs:QA (auth: K)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L14, mi
Gene (Uniprot):MRPL14
Chain IDs:RA (auth: L)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L15, mi
Gene (Uniprot):MRPL15
Chain IDs:SA (auth: M)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L16, mi
Gene (Uniprot):MRPL16
Chain IDs:TA (auth: N)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L17, mi
Gene (Uniprot):MRPL17
Chain IDs:UA (auth: O)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L18, mi
Gene (Uniprot):MRPL18
Chain IDs:VA (auth: P)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L19, mi
Gene (Uniprot):MRPL19
Chain IDs:WA (auth: Q)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L20, mi
Gene (Uniprot):MRPL20
Chain IDs:XA (auth: R)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L21, mi
Gene (Uniprot):MRPL21
Chain IDs:YA (auth: S)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L22, mi
Gene (Uniprot):MRPL22
Chain IDs:ZA (auth: T)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L23, mi
Gene (Uniprot):MRPL23
Chain IDs:AB (auth: U)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L24, mi
Gene (Uniprot):MRPL24
Chain IDs:BB (auth: V)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L27, mi
Gene (Uniprot):MRPL27
Chain IDs:CB (auth: W)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L28, mi
Gene (Uniprot):MRPL28
Chain IDs:DB (auth: X)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L47, mi
Gene (Uniprot):MRPL47
Chain IDs:EB (auth: Y)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L30, mi
Gene (Uniprot):MRPL30
Chain IDs:FB (auth: Z)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L42, mi
Gene (Uniprot):MRPL42
Chain IDs:QB (auth: a)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):MRPL43
Chain IDs:RB (auth: b)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L44, mi
Gene (Uniprot):MRPL44
Chain IDs:SB (auth: c)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L45, mi
Gene (Uniprot):MRPL45
Chain IDs:TB (auth: d)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L46, mi
Gene (Uniprot):MRPL46
Chain IDs:UB (auth: e)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L48, mi
Gene (Uniprot):MRPL48
Chain IDs:VB (auth: f)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L49, mi
Gene (Uniprot):MRPL49
Chain IDs:WB (auth: g)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L50, mi
Gene (Uniprot):MRPL50
Chain IDs:XB (auth: h)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L51, mi
Gene (Uniprot):MRPL51
Chain IDs:YB (auth: i)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L52, mi
Gene (Uniprot):MRPL52
Chain IDs:ZB (auth: j)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L53, mi
Gene (Uniprot):MRPL53
Chain IDs:AC (auth: k)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L54, mi
Gene (Uniprot):MRPL54
Chain IDs:BC (auth: l)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L55, mi
Gene (Uniprot):MRPL55
Chain IDs:CC (auth: m)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Ribosomal protein 63, mitocho
Gene (Uniprot):MRPL57
Chain IDs:DC (auth: o)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Peptidyl-tRNA hydrolase ICT1,
Gene (Uniprot):MRPL58
Chain IDs:EC (auth: p)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Growth arrest and DNA damage-
Gene (Uniprot):GADD45GIP1
Chain IDs:FC (auth: q)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein S18a, m
Gene (Uniprot):MRPS18A
Chain IDs:GC (auth: r)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein S30, mi
Gene (Uniprot):MRPS30
Chain IDs:HC (auth: s)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L12, mi
Gene (Uniprot):MRPL12
Chain IDs:IC (auth: t), JC (auth: u), KC (auth: v), LC (auth: w), MC (auth: x), NC (auth: y)
Chain Length:0
Number of Molecules:6
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:39S ribosomal protein L1, mit
Gene (Uniprot):MRPL1
Chain IDs:PC (auth: z)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Modified Residue
Compound ID Chain ID Parent Comp ID Details 2D Image
1MA JA A modified residue
2MG KA G modified residue
5MC A C modified residue
5MU A U modified residue
AYA Q ALA modified residue
B8T A C modified residue
MA6 A A modified residue
OMG JA G modified residue
OMU JA U modified residue
PSU JA U modified residue
SAC QA SER modified residue
Primary Citation
Mitoribosome structure with cofactors and modifications reveals mechanism of ligand binding and interactions with L1 stalk.
Nat Commun 15 4272 4272 (2024)
PMID: 38769321 DOI: 10.1038/s41467-024-48163-x

Abstact

The mitoribosome translates mitochondrial mRNAs and regulates energy conversion that is a signature of aerobic life forms. We present a 2.2 Å resolution structure of human mitoribosome together with validated mitoribosomal RNA (rRNA) modifications, including aminoacylated CP-tRNAVal. The structure shows how mitoribosomal proteins stabilise binding of mRNA and tRNA helping to align it in the decoding center, whereas the GDP-bound mS29 stabilizes intersubunit communication. Comparison between different states, with respect to tRNA position, allowed us to characterize a non-canonical L1 stalk, and molecular dynamics simulations revealed how it facilitates tRNA transitions in a way that does not require interactions with rRNA. We also report functionally important polyamines that are depleted when cells are subjected to an antibiotic treatment. The structural, biochemical, and computational data illuminate the principal functional components of the translation mechanism in mitochondria and provide a description of the structure and function of the human mitoribosome.

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Primary Citation of related structures
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