About Gene List

PF3D7_0807100 (PSH3)

Genome location: Pf3D7_08_v3:372,356..376,952(-)

Genome classification: Core

Function and Localization

Product Description: DNA helicase PSH3

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:0016887 ATP hydrolysis activity
Function GO:0003723 RNA binding
Function GO:0003724 RNA helicase activity
Function GO:0017116 single-stranded DNA helicase activity
Process GO:0032508 DNA duplex unwinding

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 0.47 0.78
Trophozoite expressed 0.52 0.71
Schizont expressed 0.26 0.84
Gametocyte expressed 0.76 0.60

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_0807100

Resistome Missense Mutations: N536K

Resistome Compounds with Missense Mutations: AN13762

Resistome # Samples with Disruptive Mutations: 1 (1 missense, 0 "interesting" missense)

Essentiality (ABS)

Zhang Phenotype: Mutable in CDS

MIS: 0.964 | MFS: -2.327 | #Insertions: 1

PlasmoGEM Phenotype: Essential (Pb ortholog: PBANKA_1223500)

  • Relative Growth Rate: 0.08 ± 0.09
  • Confidence: 6.22

RMgmDB ABS Phenotype: N/A

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: Q8IAR1

"Best" AlphaFill ligand hit: ANP (phosphoaminophosphonic acid-adenylate ester, Local RMSD=0.03) with 6B4J (Global RMSD=7.70)

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_134689

No human ortholog(s)

Genetic Variation

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

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 13 71 27 62
disruptive 52 152 98 188
missense 34 128 90 161

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 28 114 46 78
disruptive 91 322 140 317
missense 59 256 115 215

PlasmoDB Total SNPs: 251

Non-coding: 78 | Synonymous: 111 | Nonsynonymous: 62 | Stop Codon: 0

Protein Information

Protein Length: 1321 | Molecular Weight (kDa): 157.197

UniProt ID(s): A0A2D1GTQ5, A0A2D1GTQ8, Q8IAR1

PDB ID(s): None

Isoelectric Point: 9.46

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
29030567 Plasmodium falciparum specific helicase 3 is nucleocytoplasmic protein andunwinds DNA duplex in 3' to 5' direction. Chauhan M, Tarique M, Tuteja R 10.1038/s41598-017-12927-x