About Gene List

PF3D7_0503400 (ADF1)

Genome location: Pf3D7_05_v3:139,481..142,206(+)

Genome classification: Core

Function and Localization

Product Description: actin-depolymerizing factor 1

SignalP Peptide: N/A

# Transmembrane Domains: 0

EC Numbers: None

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0015629 actin cytoskeleton
Component GO:0005737 cytoplasm
Component GO:0005829 cytosol
Component GO:0005634 nucleus
Function GO:0051015 actin filament binding
Function GO:0003785 actin monomer binding
Process GO:0030036 actin cytoskeleton organization
Process GO:0030042 actin filament depolymerization
Process GO:0051014 actin filament severing
Process GO:0048870 cell motility
Process GO:0060327 cytoplasmic actin-based contraction involved in cell motility

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

Stage LR class MCA mean MCA prop. zeros
Sporozoite expressed N/A N/A
Ring expressed 0.87 0.69
Trophozoite expressed 1.58 0.33
Schizont expressed 2.17 0.15
Gametocyte expressed 1.48 0.35

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_0503400

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 *tentative

MIS: 0.121 | MFS: -3.113 | #Insertions: 0

PlasmoGEM Phenotype: Essential (Pb ortholog: PBANKA_1103100)

  • Relative Growth Rate: 0.09 ± 0.11
  • Confidence: 5.89

RMgmDB ABS Phenotype: N/A

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: Q8I467

"Best" AlphaFill ligand hit: TAR (d(-)-tartaric acid, Local RMSD=0.26) with 3Q2B (Global RMSD=1.51)

No associated EC numbers

No evidence of orthology to BindingDB entries

Orthology Information

Ortholog Group (OrthoMCL): OG6_100500

Most Similar Human Ortholog: P60981

TM-align score: 0.84 | RMSD: 1.85

Seq Identity: 0.29 | Length: 118 / 122

All Human Orthologs (OrthoMCL):

Gene ID Description
ENSG00000125868 destrin, actin depolymerizing factor
ENSG00000165410 cofilin 2
ENSG00000172757 cofilin 1

Genetic Variation

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

No passing variants found

PlasmoDB Total SNPs: 244

Non-coding: 241 | Synonymous: 3 | Nonsynonymous: 0 | Stop Codon: 0

Protein Information

Protein Length: 122 | Molecular Weight (kDa): 13.741

UniProt ID(s): Q8I467

PDB ID(s): 2XF1

Isoelectric Point: 7.67

Protein Domain Annotations:

Source Family ID Description
InterPro IPR002108 Actin-depolymerising factor homology domain
InterPro IPR017904 ADF/Cofilin
PFam PF00241 Actin-depolymerising factor homology domain
Superfamily SSF55753 N/A

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
15975905 A Plasmodium actin-depolymerizing factor that binds exclusively to actinmonomers. Schuler H, Mueller AK, Matuschewski K 10.1091/mbc.e05-02-0086
21628589 Minimal requirements for actin filament disassembly revealed by structuralanalysis of malaria parasite actin-depolymerizing factor 1. Wong W, Skau CT, ..., Baum J 10.1073/pnas.1018927108
23181666 Organellar proteomics reveals hundreds of novel nuclear proteins in the malariaparasite Plasmodium falciparum. Oehring SC, Woodcroft BJ, ..., Voss TS 10.1186/gb-2012-13-11-r108
24371134 A mechanism for actin filament severing by malaria parasite actin depolymerizingfactor 1 via a low affinity binding interface. Wong W, Webb AI, ..., Baum J 10.1074/jbc.M113.523365
31180322 Cooperation between tropomyosin and alpha-actinin inhibits fimbrin association withactin filament networks in fission yeast Christensen JR, Homa KE, ..., Kovar DR 10.7554/eLife.47279
34613787 Counting actin in contractile rings reveals novel contributions of cofilin andtype II myosins to fission yeast cytokinesis Malla M, Pollard TD, Chen Q 10.1091/mbc.E21-08-0376