About Gene List

PF3D7_0509600 (AsnRS)

Genome location: Pf3D7_05_v3:402,908..405,758(+)

Genome classification: Core

Function and Localization

Product Description: asparagine--tRNA ligase

SignalP Peptide: MRIYFITLIYFFTLLFLLTKC

# Transmembrane Domains: 1

EC Numbers: 6.1.1.22 (Asparagine--tRNA ligase)

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0020011 apicoplast
Function GO:0004816 asparagine-tRNA ligase activity
Process GO:0006421 asparaginyl-tRNA aminoacylation

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

Stage LR class MCA mean MCA prop. zeros
Sporozoite expressed N/A N/A
Ring expressed 0.23 0.89
Trophozoite expressed 0.63 0.64
Schizont expressed 0.13 0.91
Gametocyte expressed 0.46 0.73

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_0509600

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: 0.12 | MFS: -3.018 | #Insertions: 0

PlasmoGEM Phenotype: Essential (Pb ortholog: PBANKA_1109200)

  • Relative Growth Rate: 0.23 ± 0.51
  • Confidence: 2.73

RMgmDB ABS Phenotype: N/A

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: Q8I408

"Best" AlphaFill ligand hit: AMP (adenosine monophosphate, Local RMSD=0.33) with 3REX (Global RMSD=2.94)

BRENDA EC Inhibitors:

EC # Name EC Inhibitors
6.1.1.22 asparagine-tRNA ligase 3D6NH4+NO3-CNS-LCM01LCM02CH3COO-NSC12156NSC35467NSC114691NSC363624variolin B...

No evidence of orthology to BindingDB entries

Orthology Information

Ortholog Group (OrthoMCL): OG6_101288

Most Similar Human Ortholog: Q96I59

TM-align score: 0.90 | RMSD: 2.07

Seq Identity: 0.37 | Length: 449 / 722

All Human Orthologs (OrthoMCL):

Gene ID Description
ENSG00000137513 asparaginyl-tRNA synthetase 2, mitochondrial

Genetic Variation

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

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 9 31 12 41
disruptive 18 85 52 96
missense 10 59 38 72

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 10 66 33 42
disruptive 41 177 69 143
missense 17 127 52 98

PlasmoDB Total SNPs: 147

Non-coding: 93 | Synonymous: 36 | Nonsynonymous: 18 | Stop Codon: 0

Protein Information

Protein Length: 722 | Molecular Weight (kDa): 85.249

UniProt ID(s): Q8I408

PDB ID(s): None

Isoelectric Point: 9.18

Protein Domain Annotations:

Source Family ID Description
InterPro IPR002312 Aspartyl/Asparaginyl-tRNA synthetase, class IIb
InterPro IPR004364 Aminoacyl-tRNA synthetase, class II (D/K/N)
InterPro IPR004365 OB-fold nucleic acid binding domain, AA-tRNA synthetase-type
InterPro IPR004522 Asparagine-tRNA ligase
InterPro IPR012340 Nucleic acid-binding, OB-fold
PFam PF00152 Aminoacyl-tRNA synthetase, class II (D/K/N)
PFam PF01336 OB-fold nucleic acid binding domain, AA-tRNA synthetase-type
Superfamily SSF50249 Nucleic acid-binding, OB-fold
Superfamily SSF55681

Associated Publications

PMID Title Authors DOI/Link
12368867 Sequence of Plasmodium falciparum chromosomes 1, 3-9 and 13. Hall N, Pain A, ..., Barrell BG 10.1038/nature01095
24196969 Aminoacylation of Plasmodium falciparum tRNA(Asn) and insights in the synthesisof asparagine repeats. Filisetti D, Theobald-Dietrich A, ..., Frugier M 10.1074/jbc.M113.522896
30212465 Integrative proteomics and bioinformatic prediction enable a high-confidenceapicoplast proteome in malaria parasites. Boucher MJ, Ghosh S, ..., Yeh E 10.1371/journal.pbio.2005895
37546892 Reaction hijacking inhibition of Plasmodium falciparum asparagine tRNAsynthetase Xie SC, Wang Y, ..., Tilley L 10.21203/rs.3.rs-3198291/v1
38297033 Reaction hijacking inhibition of Plasmodium falciparum asparagine tRNAsynthetase Xie SC, Wang Y, ..., Tilley L 10.1038/s41467-024-45224-z