About Gene List

PF3D7_0720000 (CSL4)

Genome location: Pf3D7_07_v3:876,312..877,716(+)

Genome classification: Core

Function and Localization

Product Description: exosome complex component CSL4, putative

SignalP Peptide: N/A

# Transmembrane Domains: 0

EC Numbers: 3.1.13.1 (Exoribonuclease II)

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0005737 cytoplasm
Component GO:0000178 exosome (RNase complex)
Component GO:0000176 nuclear exosome (RNase complex)
Function GO:0000175 3'-5'-exoribonuclease activity
Function GO:0008312 7S RNA binding
Function GO:0004532 exoribonuclease activity
Process GO:0006364 rRNA processing

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 possibly expressed 0.06 0.97
Trophozoite expressed 0.11 0.92
Schizont possibly expressed 0.01 0.99
Gametocyte expressed 0.05 0.97

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_0720000

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: 0.135 | MFS: -2.898 | #Insertions: 0

PlasmoGEM Phenotype: Essential (Pb ortholog: PBANKA_0617500)

  • Relative Growth Rate: 0.10 ± 0.25
  • Confidence: 4.14

RMgmDB ABS Phenotype: N/A

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: Q8IBQ2

"Best" AlphaFill ligand hit: No AlphaFill hits

BRENDA EC Inhibitors:

EC # Name EC Inhibitors
3.1.13.1 exoribonuclease II SDSEDTArRNAsucrosePoly(U)Poly(G)sperminepoly(dC)nicotinamidetrichostatin A5'-capped mRNAds plasmid DNA...

No evidence of orthology to BindingDB entries

Orthology Information

Ortholog Group (OrthoMCL): OG6_101821

Most Similar Human Ortholog: B1AMU4

TM-align score: 0.82 | RMSD: 2.73

Seq Identity: 0.29 | Length: 172 / 195

All Human Orthologs (OrthoMCL):

Gene ID Description
ENSG00000171311 exosome component 1

Genetic Variation

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

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 1 8 6 8
disruptive 1 11 8 23
missense 1 10 8 20

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 2 20 7 12
disruptive 2 28 18 49
missense 2 25 15 32

PlasmoDB Total SNPs: 137

Non-coding: 127 | Synonymous: 8 | Nonsynonymous: 2 | Stop Codon: 0

Protein Information

Protein Length: 195 | Molecular Weight (kDa): 22.041

UniProt ID(s): Q8IBQ2

PDB ID(s): None

Isoelectric Point: 7.76

Protein Domain Annotations:

Source Family ID Description
InterPro IPR012340 Nucleic acid-binding, OB-fold
InterPro IPR022967 RNA-binding domain, S1
InterPro IPR025721 Exosome complex component, N-terminal domain
InterPro IPR039771 Exosome complex component Csl4
PFam PF14382 Exosome complex component, N-terminal domain
Superfamily SSF110324 Nucleic acid-binding, OB-fold
Superfamily SSF50249

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
20488181 The archaeal exosome localizes to the membrane Roppelt V, Hobel CF, ..., Evguenieva-Hackenberg E 10.1016/j.febslet.2010.05.013
27345150 Structure of a Cytoplasmic 11-Subunit RNA Exosome Complex Kowalinski E, Kogel A, ..., Conti E 10.1016/j.molcel.2016.05.028
24789718 Structure and function of the archaeal exosome Evguenieva-Hackenberg E, Hou L, Glaeser S, Klug G 10.1002/wrna.1234
23530048 A prototypic lysine methyltransferase 4 from archaea with degenerate sequence specificity methylates chromatin proteins Sul7d and Cren7 in different patterns Niu Y, Xia Y, ..., Cao Q 10.1074/jbc.M113.452979
23000172 Transcriptome-wide analysis of exosome targets Schneider C, Kudla G, ..., Tollervey D 10.1016/j.molcel.2012.08.013
21713675 The archaeal exosome Evguenieva-Hackenberg E 10.1007/978-1-4419-7841-7_3
23324612 The archaeal DnaG protein needs Csl4 for binding to the exosome and enhances its interaction with adenine-rich RNAs Hou L, Klug G, Evguenieva-Hackenberg E 10.4161/rna.23450
20488184 The evolutionarily conserved subunits Rrp4 and Csl4 confer different substrate specificities to the archaeal exosome Roppelt V, Klug G, Evguenieva-Hackenberg E 10.1016/j.febslet.2010.05.014
36861343 In vivo characterization of the critical interaction between the RNA exosome andthe essential RNA helicase Mtr4 in Saccharomyces cerevisiae Sterrett MC, Farchi D, ..., Corbett AH 10.1093/g3journal/jkad049
29159940 Nop5 interacts with the archaeal RNA exosome Gauernack AS, Lassek C, ..., Klug G 10.1002/1873-3468.12915