About Gene List

PF3D7_1354200 (SAC1)

Genome location: Pf3D7_13_v3:2,159,676..2,163,263(-)

Genome classification: Core

Function and Localization

Product Description: phosphoinositide phosphatase SAC1

SignalP Peptide: N/A

# Transmembrane Domains: 3

EC Numbers: 3.1.3.56 (Inositol-polyphosphate 5-phosphatase)

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0005794 Golgi apparatus
Component GO:0005783 endoplasmic reticulum
Function GO:0043813 phosphatidylinositol-3,5-bisphosphate 5-phosphatase activity
Function GO:0004438 phosphatidylinositol-3-phosphatase activity
Function GO:0043812 phosphatidylinositol-4-phosphate phosphatase activity
Process GO:0046856 phosphatidylinositol dephosphorylation

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 0.11 0.94
Trophozoite expressed 0.28 0.83
Schizont expressed 0.51 0.70
Gametocyte expressed 0.57 0.68

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_1354200

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: -1.869 | #Insertions: 4

PlasmoGEM Phenotype: N/A

RMgmDB ABS Phenotype: N/A

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: Q8IDF9

"Best" AlphaFill ligand hit: OMP (orotidine-5'-monophosphate, Local RMSD=1.66) with 2ZA1 (Global RMSD=15.93)

BRENDA EC Inhibitors:

EC # Name EC Inhibitors
3.1.3.56 inositol-polyphosphate 5-phosphatase ATPADPAMPSDSEDTACdCl2vanadatephosphateDisulfiramthimerosalTriton X-100Phenylglyoxal...

No evidence of orthology to BindingDB entries

Orthology Information

Ortholog Group (OrthoMCL): OG6_101364

Most Similar Human Ortholog: F8WDN7

TM-align score: 0.89 | RMSD: 2.45

Seq Identity: 0.28 | Length: 280 / 803

All Human Orthologs (OrthoMCL):

Gene ID Description
ENSG00000211456 SAC1 like phosphatidylinositide phosphatase

Genetic Variation

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

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 11 38 27 65
disruptive 20 112 67 125
missense 16 95 62 115

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 15 87 37 65
disruptive 39 233 100 201
missense 30 202 77 139

PlasmoDB Total SNPs: 194

Non-coding: 114 | Synonymous: 53 | Nonsynonymous: 27 | Stop Codon: 0

Protein Information

Protein Length: 803 | Molecular Weight (kDa): 95.045

UniProt ID(s): Q8IDF9

PDB ID(s): None

Isoelectric Point: 9

Protein Domain Annotations:

Source Family ID Description
InterPro IPR002013 SAC domain
PFam PF02383 SAC domain
Superfamily N/A N/A

Associated Publications

PMID Title Authors DOI/Link
28983103 Characterization of a putative Plasmodium falciparum SAC1phosphoinositide-phosphatase homologue potentially required for survival duringthe asexual erythrocytic stages. Theriault C, Richard D 10.1038/s41598-017-12762-0
35640825 Essential roles of phosphatidylinositol 4-phosphate phosphatases Sac1p and Sjl3pin yeast autophagosome formation Muramoto M, Yamakuchi Y, ..., Fujita A 10.1016/j.bbalip.2022.159184
37507017 Increased Phospholipid Flux Bypasses Overlapping Essential Requirements for theYeast Sac1p Phosphoinositide Phosphatase and ER-PM Membrane Contact Sites Nenadic A, Zaman MF, ..., Beh CT 10.1016/j.jbc.2023.105092
38258560 Effect of ATG8 or SAC1 deficiency on the cell proliferation and lifespan of thelong-lived PMT1 deficiency yeast cells Cui H, Cui X, ..., Liu X 10.1093/femsle/fnad121