About Gene List

PF3D7_0424700 (FIKK4.2)

Genome location: Pf3D7_04_v3:1,115,896..1,123,289(+)

Genome classification: Core

Function and Localization

Product Description: serine/threonine protein kinase, FIKK family

SignalP Peptide: N/A

# Transmembrane Domains: 1

EC Numbers: 2.7.11.1 (Non-specific serine/threonine protein kinase)

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0020036 Maurer's cleft
Component GO:0005737 cytoplasm
Component GO:0030430 host cell cytoplasm
Component GO:0044538 host cell periphery
Component GO:0005634 nucleus
Function GO:0016301 kinase activity
Function GO:0004674 protein serine/threonine kinase activity
Process GO:0035556 intracellular signal transduction
Process GO:0044003 modulation by symbiont of host process
Process GO:0006468 protein phosphorylation

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 1.21 0.50
Trophozoite expressed 0.46 0.79
Schizont expressed 0.23 0.88
Gametocyte not expressed 0.12 0.93

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_0424700

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: 1 | MFS: 0.721 | #Insertions: 2

PlasmoGEM Phenotype: Slow (Pb ortholog: PBANKA_1225000)

  • Relative Growth Rate: 0.30 ± 0.11
  • Confidence: 5.77

RMgmDB ABS Phenotype: N/A

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: Q8IFL9

"Best" AlphaFill ligand hit: 919 (dcc-2036, Local RMSD=1.10) with 5G6V (Global RMSD=8.54)

BRENDA EC Inhibitors:

EC # Name EC Inhibitors
2.7.11.1 non-specific serine/threonine protein kinase ATPKClDTTP53DRBEDTATBCAKN-93K252aCKI-7LAALSTAACS...

Orthology to BindingDB Entries:

UniProt Protein Name Species Homology Source BindingDB Ligands
P05227 Histidine-rich protein PFHRP-II Plasmodium falciparum OrthoMCL BLAST CHEMBL152635CHEMBL2111198CHEMBL152052CHEMBL346177...

Orthology Information

Ortholog Group (OrthoMCL): OG6_111291

No human ortholog(s)

Protein Information

Protein Length: 1222 | Molecular Weight (kDa): 143.049

UniProt ID(s): Q01420, Q01422, Q7JPV5, Q8IFL9

PDB ID(s): None

Isoelectric Point: 7.08

Protein Domain Annotations:

Source Family ID Description
InterPro IPR008266 Tyrosine-protein kinase, active site
InterPro IPR011009 Protein kinase-like domain superfamily
PFam N/A N/A
Superfamily SSF56112 Protein kinase-like domain superfamily

Genetic Variation

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

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 28 42 15 42
disruptive 78 163 43 122
missense 48 97 30 76

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 44 66 21 44
disruptive 121 231 86 194
missense 71 142 51 121

PlasmoDB Total SNPs: 591

Non-coding: 171 | Synonymous: 253 | Nonsynonymous: 167 | 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
16267556 A protein interaction network of the malaria parasite Plasmodium falciparum. LaCount DJ, Vignali M, ..., Hughes RE 10.1038/nature04104
19204093 Polymorphisms in erythrocyte binding antigens 140 and 181 affect function andbinding but not receptor specificity in Plasmodium falciparum. Maier AG, Baum J, ..., Cowman AF 10.1128/IAI.01331-08
24530877 An exported kinase (FIKK4.2) that mediates virulence-associated changes inPlasmodium falciparum-infected red blood cells. Kats LM, Fernandez KM, ..., Cooke BM 10.1016/j.ijpara.2014.01.003
31631203 A network-based approach reveals novel invasion and Maurer's clefts-relatedproteins in Plasmodium falciparum. Das D, Krishnan SR, Roy A, Bulusu G 10.1039/c9mo00124g
32284562 An exported kinase family mediates species-specific erythrocyte remodelling andvirulence in human malaria. Davies H, Belda H, ..., Treeck M 10.1038/s41564-020-0702-4