About Gene List

PF3D7_1465700 (PM8)

Genome location: Pf3D7_14_v3:2,658,255..2,660,911(-)

Genome classification: Core

Function and Localization

Product Description: plasmepsin VIII, putative

SignalP Peptide: MNILFCLFVITNLYNIIAVKA

# Transmembrane Domains: 0

EC Numbers: 3.4.17.4 (Gly-Xaa carboxypeptidase)

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0005737 cytoplasm
Process GO:0071976 cell gliding
Process GO:0035891 exit from host cell

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 not expressed 0.00 1.00
Trophozoite not expressed 0.01 0.99
Schizont not expressed 0.00 1.00
Gametocyte expressed 0.64 0.71

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_1465700

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: 0.946 | MFS: -3.045 | #Insertions: 1

PlasmoGEM Phenotype: Dispensable (Pb ortholog: PBANKA_1329100)

  • Relative Growth Rate: 1.01 ± 0.07
  • Confidence: 6.64

RMgmDB ABS Phenotype: Not different from wild type (Pb ortholog: PBANKA_1329100)

Modification: Disrupted | RMgm-4128

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: Q8IKI0

"Best" AlphaFill ligand hit: IVA (isovaleric acid, Local RMSD=0.50) with 3FNT (Global RMSD=3.40)

BRENDA EC Inhibitors:

EC # Name EC Inhibitors
3.4.17.4 Gly-Xaa carboxypeptidase EDTAPMSFCuSO4iodoacetateiodoacetamide1,10-phenanthrolinep-chloromercuribenzoatediisopropylphosphorofluoridatep-chloromercuriphenylsulfonic acid

Orthology to BindingDB Entries:

UniProt Protein Name Species Homology Source BindingDB Ligands
Q8IM16 Plasmepsin IV [1-448] HOGENOM phenyl-substituted sulfonamides, 6dphenyl-substituted sulfonamides, 6eCHEMBL588662US9353089, 117...
O60989 Plasmepsin IV, putative Plasmodium vivax HOGENOM CHEMBL575115CHEMBL584189CHEMBL575150CHEMBL584190...
P00791 Pepsin A Porcellium fiumanum OMA CGP 38560phenyl-substituted sulfonamides, 6aphenyl-substituted sulfonamides, 6dphenyl-substituted sulfonamides, 6f...

Orthology Information

Ortholog Group (OrthoMCL): OG6_124673

No human ortholog(s)

Protein Information

Protein Length: 385 | Molecular Weight (kDa): 44.254

UniProt ID(s): Q8IKI0

PDB ID(s): None

Isoelectric Point: 9.37

Protein Domain Annotations:

Source Family ID Description
InterPro IPR001461 Aspartic peptidase A1 family
InterPro IPR001969 Aspartic peptidase, active site
InterPro IPR021109 Aspartic peptidase domain superfamily
InterPro IPR033121 Peptidase family A1 domain
InterPro IPR034164 Pepsin-like domain
PFam PF00026 Peptidase family A1 domain
Superfamily SSF50630 Aspartic peptidase domain superfamily

Genetic Variation

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

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 3 21 14 30
disruptive 4 19 12 43
missense 4 19 12 39

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 10 38 17 35
disruptive 7 52 31 75
missense 5 42 28 60

PlasmoDB Total SNPs: 107

Non-coding: 83 | Synonymous: 19 | Nonsynonymous: 5 | Stop Codon: 0

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
28192122 Plasmodium berghei plasmepsin VIII is essential for sporozoite gliding motility. Mastan BS, Narwal SK, ..., Mishra S 10.1016/j.ijpara.2016.11.009
28351685 Transcript and protein expression analysis of proteases in the blood stages ofPlasmodium falciparum. Weissbach T, Golzmann A, ..., Julius Ngwa C 10.1016/j.exppara.2017.03.006