7AM2 image
Entry Detail
PDB ID:
7AM2
EMDB ID:
Keywords:
Title:
Intermediate assembly of the Large subunit from Leishmania major mitochondrial ribosome
Biological Source:
Source Organism:
PDB Version:
Deposition Date:
2020-10-07
Release Date:
2021-04-28
Method Details:
Experimental Method:
Resolution:
3.40 Å
Aggregation State:
PARTICLE
Reconstruction Method:
SINGLE PARTICLE
Macromolecular Entities
Polymer Type:polyribonucleotide
Description:Ribosomal RNA
Chain IDs:VB (auth: 1)
Chain Length:16181
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:Ribosomal protein L3-like protein
Chain IDs:A
Chain Length:467
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:mL42
Chain IDs:LA (auth: Aa)
Chain Length:195
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:L51_S25_CI-B8 domain-containing protein
Chain IDs:KA (auth: Ab)
Chain Length:262
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:mL49
Chain IDs:RA (auth: Ad)
Chain Length:237
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:mL53
Chain IDs:FA (auth: Ae)
Chain Length:311
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:mL63
Chain IDs:GA (auth: Af)
Chain Length:155
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:mL59/64
Chain IDs:AB (auth: Ag)
Chain Length:244
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:mL68
Chain IDs:HA (auth: Ah)
Chain Length:570
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:mL72
Chain IDs:UA (auth: Aj)
Chain Length:503
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:mL74
Chain IDs:JA (auth: Al)
Chain Length:346
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:mL75
Chain IDs:OA (auth: Am)
Chain Length:340
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:mL76
Chain IDs:WA (auth: An)
Chain Length:331
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:mL80
Chain IDs:IA (auth: Ap)
Chain Length:240
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:mL84
Chain IDs:VA (auth: Ar)
Chain Length:205
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:mL85
Chain IDs:PA (auth: As)
Chain Length:249
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:mL86
Chain IDs:DA (auth: At)
Chain Length:183
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:mL87
Chain IDs:EA (auth: Au)
Chain Length:186
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:mL88
Chain IDs:YA (auth: Av)
Chain Length:192
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:mL89
Chain IDs:SA (auth: Aw)
Chain Length:187
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:LIM zinc-binding domain-containing protein
Chain IDs:CB (auth: Ax)
Chain Length:216
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:mL93
Chain IDs:NA (auth: Az)
Chain Length:152
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:uL4m
Chain IDs:B
Chain Length:436
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:mL94
Chain IDs:T (auth: BA)
Chain Length:167
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:mL95
Chain IDs:W (auth: BB)
Chain Length:156
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:mL98
Chain IDs:BA (auth: BE)
Chain Length:118
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:mL99
Chain IDs:XA (auth: BF)
Chain Length:109
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:mL100
Chain IDs:QA (auth: BG)
Chain Length:1347
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:Peptidyl-prolyl cis-trans isomerase
Chain IDs:TA (auth: BH)
Chain Length:229
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:mL67
Chain IDs:Y (auth: BK)
Chain Length:893
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:mL70
Chain IDs:ZA (auth: BM)
Chain Length:457
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:mL81
Chain IDs:AA (auth: BN)
Chain Length:344
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:Putative ribosomal protein L14
Chain IDs:CA (auth: BO)
Chain Length:190
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:mL52,mL52
Chain IDs:MA (auth: BP)
Chain Length:254
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:mL71
Chain IDs:Z (auth: BQ)
Chain Length:445
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:mL78
Chain IDs:TB (auth: BR)
Chain Length:301
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:DNAj-like protein
Chain IDs:DB (auth: BS)
Chain Length:416
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:G domain-containing protein
Chain IDs:JB (auth: BT)
Chain Length:464
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:GTPase Der
Chain IDs:KB (auth: BU)
Chain Length:497
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:G domain-containing protein
Chain IDs:MB (auth: BV)
Chain Length:787
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:DEAD/DEAH box helicase-like protein
Chain IDs:LB (auth: BW)
Chain Length:776
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:SpoU_methylase domain-containing protein
Chain IDs:EB (auth: BY), FB (auth: BX)
Chain Length:569
Number of Molecules:2
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:Pseudouridylate synthase-like protein
Chain IDs:GB (auth: BZ)
Chain Length:413
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:Peptidyl-prolyl cis-trans isomerase
Chain IDs:BB (auth: Bl)
Chain Length:266
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:RIBOSOMAL_L9 domain-containing protein
Chain IDs:C
Chain Length:262
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:TRUD domain-containing protein
Chain IDs:U (auth: CA)
Chain Length:618
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:RNA uridylyltransferase
Chain IDs:X (auth: CB)
Chain Length:202
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:Acyl carrier protein
Chain IDs:HB (auth: CC)
Chain Length:150
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:L0R8F8
Chain IDs:IB (auth: CD)
Chain Length:126
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:Putative ribosomal protein L11
Chain IDs:D (auth: E)
Chain Length:346
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:50S ribosomal protein L13-like protein
Chain IDs:E (auth: F)
Chain Length:171
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:Ribosomal_L18e/L15P domain-containing protein
Chain IDs:F (auth: G)
Chain Length:374
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:Putative 50S ribosomal protein L17
Chain IDs:G (auth: I)
Chain Length:305
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:bL19m
Chain IDs:H (auth: J)
Chain Length:144
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:bL20m
Chain IDs:I (auth: K)
Chain Length:194
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:bL21m
Chain IDs:J (auth: L)
Chain Length:186
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:uL22m
Chain IDs:K (auth: M)
Chain Length:279
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:uL23m
Chain IDs:L (auth: N)
Chain Length:252
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:uL24m
Chain IDs:M (auth: O)
Chain Length:476
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:bL28m
Chain IDs:N (auth: Q)
Chain Length:234
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:uL29m
Chain IDs:O (auth: R)
Chain Length:480
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polyribonucleotide
Description:R1
Chain IDs:WB (auth: R1)
Chain Length:3
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polyribonucleotide
Description:R2
Chain IDs:XB (auth: R2)
Chain Length:35
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polyribonucleotide
Description:R5
Chain IDs:YB (auth: R5)
Chain Length:5
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:uL30m
Chain IDs:P (auth: S)
Chain Length:409
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:bL32m
Chain IDs:Q (auth: T)
Chain Length:83
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:U1
Chain IDs:PB (auth: U1)
Chain Length:46
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:U2
Chain IDs:UB (auth: U2)
Chain Length:37
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:U3
Chain IDs:QB (auth: U3)
Chain Length:75
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:U4
Chain IDs:RB (auth: U4)
Chain Length:136
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:U5
Chain IDs:SB (auth: U5)
Chain Length:94
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:U6
Chain IDs:OB (auth: U6)
Chain Length:187
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:mL78
Chain IDs:NB (auth: U7)
Chain Length:40
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:U8
Chain IDs:ZB (auth: U8)
Chain Length:59
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:UA
Chain IDs:V (auth: UA)
Chain Length:203
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:bL35m
Chain IDs:R (auth: V)
Chain Length:151
Number of Molecules:1
Biological Source:Leishmania tarentolae
Polymer Type:polypeptide(L)
Description:mL41
Chain IDs:S (auth: Z)
Chain Length:197
Number of Molecules:1
Biological Source:Leishmania tarentolae
Primary Citation
Structure of the mature kinetoplastids mitoribosome and insights into its large subunit biogenesis.
Proc.Natl.Acad.Sci.USA 117 29851 29861 (2020)
PMID: 33168716 DOI: 10.1073/pnas.2011301117

Abstact

Kinetoplastids are unicellular eukaryotic parasites responsible for such human pathologies as Chagas disease, sleeping sickness, and leishmaniasis. They have a single large mitochondrion, essential for the parasite survival. In kinetoplastid mitochondria, most of the molecular machineries and gene expression processes have significantly diverged and specialized, with an extreme example being their mitochondrial ribosomes. These large complexes are in charge of translating the few essential mRNAs encoded by mitochondrial genomes. Structural studies performed in Trypanosoma brucei already highlighted the numerous peculiarities of these mitoribosomes and the maturation of their small subunit. However, several important aspects mainly related to the large subunit (LSU) remain elusive, such as the structure and maturation of its ribosomal RNA. Here we present a cryo-electron microscopy study of the protozoans Leishmania tarentolae and Trypanosoma cruzi mitoribosomes. For both species, we obtained the structure of their mature mitoribosomes, complete rRNA of the LSU, as well as previously unidentified ribosomal proteins. In addition, we introduce the structure of an LSU assembly intermediate in the presence of 16 identified maturation factors. These maturation factors act on both the intersubunit and the solvent sides of the LSU, where they refold and chemically modify the rRNA and prevent early translation before full maturation of the LSU.

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Disease

Primary Citation of related structures