About Gene List

PF3D7_0817500 (HINT1)

Genome location: Pf3D7_08_v3:798,401..800,807(+)

Genome classification: Core

Function and Localization

Product Description: histidine triad nucleotide-binding protein 1

SignalP Peptide: N/A

# Transmembrane Domains: 1

EC Numbers: None

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0005737 cytoplasm
Component GO:0005783 endoplasmic reticulum
Function GO:0016787 hydrolase activity
Function GO:0008426 protein kinase C inhibitor activity
Process GO:0055074 calcium ion homeostasis
Process GO:0006508 proteolysis

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 0.66 0.70
Trophozoite expressed 1.23 0.39
Schizont expressed 0.46 0.73
Gametocyte expressed 1.04 0.47

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_0817500

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: 0.991 | MFS: -0.731 | #Insertions: 2

PlasmoGEM Phenotype: Dispensable (Pb ortholog: PBANKA_0713300)

  • Relative Growth Rate: 1.01 ± 0.11
  • Confidence: 5.76

RMgmDB ABS Phenotype: Different from wild type (Pb ortholog: PBANKA_0713300)

Modification: Tagged | RMgm-4527

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: Q7K6B1

"Best" AlphaFill ligand hit: KAA (5'-o-[(l-lysylamino)sulfonyl]adenosine, Local RMSD=0.02) with 4EQE (Global RMSD=1.22)

No associated EC numbers

Orthology to BindingDB Entries:

UniProt Protein Name Species Homology Source BindingDB Ligands
P49773 Adenosine 5'-monophosphoramidase HINT1 Homo sapiens OrthoDB, OrthoMCL BLAST CHEMBL3140272

Orthology Information

Ortholog Group (OrthoMCL): OG6_100377

Most Similar Human Ortholog: P49773

TM-align score: 0.94 | RMSD: 0.98

Seq Identity: 0.48 | Length: 125 / 185

All Human Orthologs (OrthoMCL):

Gene ID Description
ENSG00000137133 histidine triad nucleotide binding protein 2
ENSG00000169567 histidine triad nucleotide binding protein 1

Protein Information

Protein Length: 185 | Molecular Weight (kDa): 21.177

UniProt ID(s): Q7K6B1, Q8WSM9

PDB ID(s): None

Isoelectric Point: 9.68

Protein Domain Annotations:

Source Family ID Description
InterPro IPR001310 Histidine triad (HIT) protein
InterPro IPR019808 Histidine triad, conserved site
InterPro IPR036265 HIT-like superfamily
PFam PF01230 Histidine triad (HIT) protein
Superfamily SSF54197 HIT-like superfamily

Genetic Variation

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

No passing variants found

PlasmoDB Total SNPs: 203

Non-coding: 198 | Synonymous: 5 | Nonsynonymous: 0 | Stop Codon: 0

Associated Publications

PMID Title Authors DOI/Link
16267556 A protein interaction network of the malaria parasite Plasmodium falciparum. LaCount DJ, Vignali M, ..., Hughes RE 10.1038/nature04104
29913151 Plasmodium falciparum histidine triad protein and calmodulin modulates calciumhomeostasis and intracellular proteolysis. Gomes Smaul MM, Budu A, ..., Gazarini ML 10.1016/j.bbrc.2018.06.067
37371778 Proteome Analysis of the Antiproliferative Activity of the NovelChitooligosaccharide-Gallic Acid Conjugate against the SW620 Colon Cancer CellLine Saetang J, Sukkapat P, ..., Benjakul S 10.3390/biomedicines11061683