About Gene List

PF3D7_1202000 (PSH2)

Genome location: Pf3D7_12_v3:109,107..113,173(-)

Genome classification: Core

Function and Localization

Product Description: ATP-dependent DNA/RNA helicase PSH2

SignalP Peptide: N/A

# Transmembrane Domains: 0

EC Numbers: 3.6.4.12 (DNA helicase);3.6.4.13 (RNA helicase)

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0005737 cytoplasm
Component GO:0005634 nucleus
Function GO:0043138 3'-5' DNA helicase activity
Function GO:0043139 5'-3' DNA helicase activity
Function GO:0005524 ATP binding
Function GO:0008094 ATP-dependent activity, acting on DNA
Function GO:0008186 ATP-dependent activity, acting on RNA
Function GO:0003724 RNA helicase activity
Process GO:0032508 DNA duplex unwinding
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 expressed 0.27 0.87
Trophozoite expressed 0.59 0.67
Schizont expressed 0.16 0.90
Gametocyte possibly expressed 0.68 0.63

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_1202000

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: 0.119 | MFS: -2.992 | #Insertions: 0

PlasmoGEM Phenotype: Essential (Pb ortholog: PBANKA_0601000)

  • Relative Growth Rate: 0.21 ± 0.27
  • Confidence: 4.00

RMgmDB ABS Phenotype: N/A

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: A0A144A0Z6

"Best" AlphaFill ligand hit: AMP (adenosine monophosphate, Local RMSD=0.03) with 6L5M (Global RMSD=7.53)

BRENDA EC Inhibitors:

EC # Name EC Inhibitors
3.6.4.12 DNA helicase No BRENDA inhibitors
3.6.4.13 RNA helicase ATPADPUDPAMPGTPGDPUTPKClNEMCDPITPTDP...

No evidence of orthology to BindingDB entries

Orthology Information

Ortholog Group (OrthoMCL): OG6_179346

No human ortholog(s)

Genetic Variation

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

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 5 35 16 38
disruptive 19 87 49 103
missense 18 86 49 91

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 6 61 24 53
disruptive 49 182 71 182
missense 37 159 60 148

PlasmoDB Total SNPs: 186

Non-coding: 116 | Synonymous: 40 | Nonsynonymous: 30 | Stop Codon: 0

Protein Information

Protein Length: 880 | Molecular Weight (kDa): 105.02

UniProt ID(s): A0A144A0Z6, A0A386KSN1

PDB ID(s): None

Isoelectric Point: 9.55

Protein Domain Annotations:

Source Family ID Description
InterPro IPR001650 Helicase, C-terminal
InterPro IPR011545 DEAD/DEAH box helicase domain
InterPro IPR014001 Helicase superfamily 1/2, ATP-binding domain
InterPro IPR027417 P-loop containing nucleoside triphosphate hydrolase
PFam PF00270 DEAD/DEAH box helicase domain
PFam PF00271 Helicase, C-terminal
Superfamily SSF52540 P-loop containing nucleoside triphosphate hydrolase

Associated Publications

PMID Title Authors DOI/Link
12368864 Genome sequence of the human malaria parasite Plasmodium falciparum. Gardner MJ, Hall N, ..., Barrell B 10.1038/nature01097
30728406 Plasmodium falciparum specific helicase 2 is a dual, bipolar helicase and iscrucial for parasite growth. Chauhan M, Tuteja R 10.1038/s41598-018-38032-1