About Gene List

PF3D7_0934000

Genome location: Pf3D7_09_v3:1,339,791..1,342,470(-)

Genome classification: Core

Function and Localization

Product Description: histidine--tRNA ligase, putative

SignalP Peptide: MPLLFFILLIIYFHLIVC

# Transmembrane Domains: 0

EC Numbers: 6.1.1.21 (Histidine--tRNA ligase)

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0020011 apicoplast
Function GO:0004812 aminoacyl-tRNA ligase activity
Function GO:0004821 histidine-tRNA ligase activity
Process GO:0006427 histidyl-tRNA aminoacylation

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 0.11 0.94
Trophozoite expressed 0.55 0.68
Schizont possibly expressed 0.23 0.85
Gametocyte not expressed 0.33 0.81

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_0934000

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: Mutable in CDS

MIS: 0.872 | MFS: -2.956 | #Insertions: 1

PlasmoGEM Phenotype: Essential (Pb ortholog: PBANKA_1308900)

  • Relative Growth Rate: 0.10 ± nan
  • Confidence: 1.00

RMgmDB ABS Phenotype: N/A

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: Q8I2H8

"Best" AlphaFill ligand hit: ATP (adenosine-5'-triphosphate, Local RMSD=1.64) with 5E3I (Global RMSD=4.40)

BRENDA EC Inhibitors:

EC # Name EC Inhibitors
6.1.1.21 histidine-tRNA ligase ADPAMPKClNEMRNAiornithinediphosphateD-histidineL-histidinolDL-homocysteinequinolin-3-amineN-Acetylhistidine...

Orthology to BindingDB Entries:

UniProt Protein Name Species Homology Source BindingDB Ligands
P12081 Histidine--tRNA ligase, cytoplasmic Homo sapiens OrthoDB HisSA

Orthology Information

Ortholog Group (OrthoMCL): OG6_100351

Most Similar Human Ortholog: D6RJE6

TM-align score: 0.87 | RMSD: 2.17

Seq Identity: 0.20 | Length: 278 / 642

All Human Orthologs (OrthoMCL):

Gene ID Description
ENSG00000112855 histidyl-tRNA synthetase 2, mitochondrial
ENSG00000170445 histidyl-tRNA synthetase 1

Protein Information

Protein Length: 642 | Molecular Weight (kDa): 78.184

UniProt ID(s): Q8I2H8

PDB ID(s): None

Isoelectric Point: 9.91

Protein Domain Annotations:

Source Family ID Description
InterPro IPR004516 Histidine-tRNA ligase/ATP phosphoribosyltransferase regulatory subunit
InterPro IPR041715 Class II Histidinyl-tRNA synthetase (HisRS)-like catalytic core domain
PFam PF13393 Class II Histidinyl-tRNA synthetase (HisRS)-like catalytic core domain
Superfamily SSF52954 N/A
Superfamily SSF55681

Genetic Variation

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

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 5 26 16 40
disruptive 7 50 29 69
missense 6 46 27 59

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 8 69 18 48
disruptive 19 134 57 120
missense 13 96 41 80

PlasmoDB Total SNPs: 153

Non-coding: 100 | Synonymous: 42 | Nonsynonymous: 11 | Stop Codon: 0

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
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