About Gene List

PF3D7_1364500 (RRP45)

Genome location: Pf3D7_13_v3:2,596,245..2,598,309(+)

Genome classification: Core

Function and Localization

Product Description: exosome complex component RRP45, putative

SignalP Peptide: N/A

# Transmembrane Domains: 0

EC Numbers: 2.7.7.56 (tRNA nucleotidyltransferase)

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0000177 cytoplasmic exosome (RNase complex)
Component GO:0000178 exosome (RNase complex)
Component GO:0000176 nuclear exosome (RNase complex)
Function GO:0000175 3'-5'-exoribonuclease activity
Process GO:0006396 RNA processing
Process GO:0034473 U1 snRNA 3'-end processing
Process GO:0034475 U4 snRNA 3'-end processing
Process GO:0034476 U5 snRNA 3'-end processing
Process GO:0043928 exonucleolytic catabolism of deadenylated mRNA
Process GO:0000467 exonucleolytic trimming to generate mature 3'-end of 5.8S rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)
Process GO:0071028 nuclear mRNA surveillance
Process GO:0071042 nu
Process GO:0071035
Process GO:0071038
Process GO:0034427
Process GO:0016075

Expression by stage (LR - Le Roch et al., and MCA - Malaria Cell Atlas):

Stage LR class MCA mean MCA prop. zeros
Sporozoite not expressed N/A N/A
Ring expressed 0.25 0.87
Trophozoite possibly expressed 0.36 0.78
Schizont expressed 0.05 0.96
Gametocyte possibly expressed 0.26 0.84

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_1364500

Resistome Missense Mutations: None

Resistome Compounds with Missense Mutations: None

Resistome # Samples with Disruptive Mutations: 0 (0 missense, 0 "interesting" missense)

Essentiality (ABS)

Zhang Phenotype: Non - Mutable in CDS

MIS: 0.161 | MFS: -2.735 | #Insertions: 0

PlasmoGEM Phenotype: N/A

RMgmDB ABS Phenotype: N/A

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: Q8ID62

"Best" AlphaFill ligand hit: U5P (uridine-5'-monophosphate, Local RMSD=0.01) with 2C37 (Global RMSD=2.67)

BRENDA EC Inhibitors:

EC # Name EC Inhibitors
2.7.7.56 tRNA nucleotidyltransferase KClEDTAphosphateN-ethylmaleimidep-hydroxymercuribenzoate

No evidence of orthology to BindingDB entries

Orthology Information

Ortholog Group (OrthoMCL): OG6_100420

Most Similar Human Ortholog: D6RA17

TM-align score: 0.92 | RMSD: 1.70

Seq Identity: 0.31 | Length: 236 / 477

All Human Orthologs (OrthoMCL):

Gene ID Description
ENSG00000120699 exosome component 8
ENSG00000123737 exosome component 9

Genetic Variation

MalariaGEN Pf7 (worldwide samples) # unique SNV/indels:

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 6 33 16 32
disruptive 11 69 45 82
missense 10 65 44 72

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 10 53 20 46
disruptive 27 135 59 126
missense 20 127 57 90

PlasmoDB Total SNPs: 90

Non-coding: 56 | Synonymous: 20 | Nonsynonymous: 14 | Stop Codon: 0

Protein Information

Protein Length: 477 | Molecular Weight (kDa): 55.027

UniProt ID(s): Q8ID62

PDB ID(s): None

Isoelectric Point: 5.66

Protein Domain Annotations:

Source Family ID Description
InterPro IPR001247 Exoribonuclease, phosphorolytic domain 1
InterPro IPR015847 Exoribonuclease, phosphorolytic domain 2
InterPro IPR020568 Ribosomal protein S5 domain 2-type fold
InterPro IPR033100 Exosome complex component RRP45
InterPro IPR036345 Exoribonuclease, PH domain 2 superfamily
PFam PF01138 Exoribonuclease, phosphorolytic domain 1
PFam PF03725 Exoribonuclease, phosphorolytic domain 2
Superfamily SSF54211 Ribosomal protein S5 domain 2-type fold
Superfamily SSF55666 Exoribonuclease, PH domain 2 superfamily

Associated Publications

PMID Title Authors DOI/Link
30235972 Disruption of the RNA exosome reveals the hidden face of the malaria parasitetranscriptome. Droll D, Wei G, ..., Zhang Q 10.1080/15476286.2018.1517014
24105744 A SUMO-dependent interaction between Senataxin and the exosome, disrupted in theneurodegenerative disease AOA2, targets the exosome to sites oftranscription-induced DNA damage Richard P, Feng S, Manley JL 10.1101/gad.224923.113
14624005 A role for the exosome in the in vivo degradation of unstable mRNAs Haile S, Estevez AM, Clayton C 10.1261/rna.5940703
17187872 Regulated expression of glycosomal phosphoglycerate kinase in Trypanosoma brucei Colasante C, Robles A, ..., Clayton C 10.1016/j.molbiopara.2006.11.003
23697549 The roles of 3'-exoribonucleases and the exosome in trypanosome mRNA degradation Fadda A, Farber V, Droll D, Clayton C 10.1261/rna.038430.113
19879841 The yeast exosome functions as a macromolecular cage to channel RNA substratesfor degradation Bonneau F, Basquin J, ..., Conti E 10.1016/j.cell.2009.08.042
17174896 Reconstitution, activities, and structure of the eukaryotic RNA exosome Liu Q, Greimann JC, Lima CD 10.1016/j.cell.2006.10.037
17942686 Architecture of the yeast Rrp44 exosome complex suggests routes of RNArecruitment for 3' end processing Wang HW, Wang J, ..., Ke A 10.1073/pnas.0705526104
19327365 Crystal structure of Escherichia coli polynucleotide phosphorylase core bound toRNase E, RNA and manganese: implications for catalytic mechanism and RNAdegradosome assembly Nurmohamed S, Vaidialingam B, Callaghan AJ, Luisi BF 10.1016/j.jmb.2009.03.051
31768969 The RNA Exosome and Human Disease Fasken MB, Morton DJ, ..., Corbett AH 10.1007/978-1-4939-9822-7_1