About Gene List

PF3D7_0630900 (HAS1)

Genome location: Pf3D7_06_v3:1,290,623..1,293,448(-)

Genome classification: Core

Function and Localization

Product Description: ATP-dependent RNA helicase HAS1

SignalP Peptide: N/A

# Transmembrane Domains: 0

EC Numbers: 3.6.4.13 (RNA helicase)

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0005730 nucleolus
Function GO:0003723 RNA binding
Function GO:0003724 RNA helicase activity
Process GO:0032508 DNA duplex unwinding
Process GO:0016070 RNA metabolic process
Process GO:0010501 RNA secondary structure unwinding
Process GO:0000463 maturation of LSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)

Expression by stage (LR - Le Roch et al., and MCA - Malaria Cell Atlas):

Stage LR class MCA mean MCA prop. zeros
Sporozoite possibly expressed N/A N/A
Ring expressed 0.88 0.60
Trophozoite expressed 0.75 0.62
Schizont expressed 0.18 0.89
Gametocyte expressed 0.44 0.76

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_0630900

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: -3.188 | #Insertions: 0

PlasmoGEM Phenotype: Essential (Pb ortholog: PBANKA_1129700)

  • Relative Growth Rate: 0.08 ± 0.18
  • Confidence: 4.78

RMgmDB ABS Phenotype: N/A

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: C6KTE4

"Best" AlphaFill ligand hit: ADP (adenosine-5'-diphosphate, Local RMSD=0.21) with 3RRM (Global RMSD=3.21)

BRENDA EC Inhibitors:

EC # Name EC Inhibitors
3.6.4.13 RNA helicase ATPADPUDPAMPGTPGDPUTPKClNEMCDPITPTDP...

No evidence of orthology to BindingDB entries

Orthology Information

Ortholog Group (OrthoMCL): OG6_102072

Most Similar Human Ortholog: H7C452

TM-align score: 0.85 | RMSD: 2.60

Seq Identity: 0.57 | Length: 212 / 601

All Human Orthologs (OrthoMCL):

Gene ID Description
ENSG00000088205 DEAD-box helicase 18

Genetic Variation

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

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 9 32 13 34
disruptive 17 45 26 58
missense 11 34 16 52

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 18 67 12 33
disruptive 34 95 46 94
missense 17 67 37 69

PlasmoDB Total SNPs: 117

Non-coding: 59 | Synonymous: 39 | Nonsynonymous: 19 | Stop Codon: 0

Protein Information

Protein Length: 601 | Molecular Weight (kDa): 69.359

UniProt ID(s): C0KUE7, C6KTE4

PDB ID(s): None

Isoelectric Point: 8.84

Protein Domain Annotations:

Source Family ID Description
InterPro IPR000629 ATP-dependent RNA helicase DEAD-box, conserved site
InterPro IPR001650 Helicase, C-terminal
InterPro IPR011545 DEAD/DEAH box helicase domain
InterPro IPR014001 Helicase superfamily 1/2, ATP-binding domain
InterPro IPR025313 Domain of unknown function DUF4217
InterPro IPR027417 P-loop containing nucleoside triphosphate hydrolase
PFam PF00270 DEAD/DEAH box helicase domain
PFam PF00271 Helicase, C-terminal
PFam PF13959 Domain of unknown function DUF4217
Superfamily SSF52540 P-loop containing nucleoside triphosphate hydrolase

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
20153446 A novel DEAD box helicase Has1p from Plasmodium falciparum: N-terminal isessential for activity. Prakash K, Tuteja R 10.1016/j.parint.2010.02.003