About Gene List

PF3D7_0507500 (SUB1)

Genome location: Pf3D7_05_v3:307,090..310,120(-)

Genome classification: Core

Function and Localization

Product Description: subtilisin-like protease 1

SignalP Peptide: MMLNKKVVALCTLTLHLFCIFLCLGKEVRS

# Transmembrane Domains: 0

EC Numbers: 3.4.21.62 (Subtilisin)

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0044311 exoneme
Component GO:0016020 membrane
Component GO:0020026 merozoite dense granule
Component GO:0020004 symbiont-containing vacuolar space
Component GO:0020003 symbiont-containing vacuole
Function GO:0004252 serine-type endopeptidase activity
Function GO:0008236 serine-type peptidase activity
Process GO:0035891 exit from host cell
Process GO:0006509 membrane protein ectodomain proteolysis
Process GO:0016485 protein processing
Process GO:0006508 proteolysis
Process GO:0009410 response to xenobiotic stimulus

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 possibly expressed 0.14 0.93
Trophozoite possibly expressed 0.05 0.97
Schizont expressed 0.56 0.81
Gametocyte possibly expressed 0.06 0.97

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_0507500

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: 0.42 | MFS: -2.54 | #Insertions: 0

PlasmoGEM Phenotype: Essential (Pb ortholog: PBANKA_1107100)

  • Relative Growth Rate: 0.07 ± 0.15
  • Confidence: 5.18

RMgmDB ABS Phenotype: Not different from wild type (Pb ortholog: PBANKA_1107100)

Modification: Mutated | RMgm-4602

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: Q8I0V0

"Best" AlphaFill ligand hit: DFP (diisopropyl phosphonate, Local RMSD=0.13) with 1SUE (Global RMSD=7.44)

BRENDA EC Inhibitors:

EC # Name EC Inhibitors
3.4.21.62 Subtilisin BRENDA SOAP query unsuccessful

Orthology to BindingDB Entries:

UniProt Protein Name Species Homology Source BindingDB Ligands
Q7KAN4 Subtilisin-like protease 1 Plasmodium falciparum OrthoMCL BLAST CHEMBL3310712CHEMBL3310822CHEMBL3310709CHEMBL3326345...

Orthology Information

Ortholog Group (OrthoMCL): OG6_121085

No human ortholog(s)

Protein Information

Protein Length: 688 | Molecular Weight (kDa): 77.647

UniProt ID(s): O61142, Q8I0V0

PDB ID(s): None

Isoelectric Point: 5.92

Protein Domain Annotations:

Source Family ID Description
InterPro IPR000209 Peptidase S8/S53 domain
InterPro IPR015500 Peptidase S8, subtilisin-related
InterPro IPR017314 Peptidase S8A, subtilisin-like peptidase 1, plasmodium
InterPro IPR022398 Peptidase S8, subtilisin, His-active site
InterPro IPR023827 Peptidase S8, subtilisin, Asp-active site
InterPro IPR023828 Peptidase S8, subtilisin, Ser-active site
InterPro IPR034204 Subtilisin SUB1-like catalytic domain
InterPro IPR036852 Peptidase S8/S53 domain superfamily
InterPro IPR041089 SUB1 protease prodomain ProdP9
PFam PF00082 Peptidase S8/S53 domain
PFam PF18213 SUB1 protease prodomain ProdP9
Superfamily SSF52743 Peptidase S8/S53 domain superfamily

Genetic Variation

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

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 7 30 19 38
disruptive 26 58 28 78
missense 14 41 21 65

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 10 54 29 33
disruptive 45 110 42 117
missense 21 80 39 73

PlasmoDB Total SNPs: 125

Non-coding: 71 | Synonymous: 36 | Nonsynonymous: 18 | Stop Codon: 0

Associated Publications

PMID Title Authors DOI/Link
9722575 A subtilisin-like protein in secretory organelles of Plasmodium falciparummerozoites. Blackman MJ, Fujioka H, ..., Hackett F 10.1074/jbc.273.36.23398
12368867 Sequence of Plasmodium falciparum chromosomes 1, 3-9 and 13. Hall N, Pain A, ..., Barrell BG 10.1038/nature01095
12764150 Functional characterization of the propeptide of Plasmodium falciparumsubtilisin-like protease-1. Jean L, Hackett F, Martin SR, Blackman MJ 10.1074/jbc.M303827200
18083098 Subcellular discharge of a serine protease mediates release of invasive malariaparasites from host erythrocytes. Yeoh S, O'Donnell RA, ..., Blackman MJ 10.1016/j.cell.2007.10.049
19214190 A multifunctional serine protease primes the malaria parasite for red blood cellinvasion. Koussis K, Withers-Martinez C, ..., Blackman MJ 10.1038/emboj.2009.22
21220481 Global identification of multiple substrates for Plasmodium falciparum SUB1, anessential malarial processing protease. Silmon de Monerri NC, Flynn HR, ..., Blackman MJ 10.1128/IAI.00902-10
22984267 Proteolytic activation of the essential parasitophorous vacuole cysteine proteaseSERA6 accompanies malaria parasite egress from its host erythrocyte. Ruecker A, Shea M, ..., Blackman MJ 10.1074/jbc.M112.400820
23414065 Molecular determinants of binding to the Plasmodium subtilisin-like protease 1. Fulle S, Withers-Martinez C, ..., Finn PW 10.1021/ci300581z
29459732 A protease cascade regulates release of the human malaria parasite Plasmodiumfalciparum from host red blood cells. Thomas JA, Tan MSY, ..., Blackman MJ 10.1038/s41564-018-0111-0
33975947 Peptidic boronic acids are potent cell-permeable inhibitors of the malariaparasite egress serine protease S UB1 Lidumniece E, Withers-Martinez C, ..., Jirgensons A 10.1073/pnas.2022696118
38386597 Prodomain-driven enzyme dimerization: a pH-dependent autoinhibition mechanismthat controls Plasmodium Sub1 activity before merozoite egress Martinez M, Bouillon A, ..., Barale J-C 10.1128/mbio.00198-24