About Gene List

PF3D7_1115400 (FP3)

Genome location: Pf3D7_11_v3:583,893..586,325(-)

Genome classification: Core

Function and Localization

Product Description: cysteine proteinase falcipain 3

SignalP Peptide: N/A

# Transmembrane Domains: 1

EC Numbers: 3.4.22.- (Cysteine endopeptidases.)

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0005615 extracellular space
Component GO:0020020 food vacuole
Component GO:0005764 lysosome
Function GO:0004197 cysteine-type endopeptidase activity
Process GO:0042540 hemoglobin catabolic process
Process GO:0006508 proteolysis
Process GO:0051603 proteolysis involved in cellular protein catabolic process

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 1.28 0.45
Trophozoite expressed 1.18 0.42
Schizont expressed 0.69 0.64
Gametocyte expressed 0.97 0.50

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_1115400

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: 0.978 | MFS: -1.959 | #Insertions: 1

PlasmoGEM Phenotype: Slow (Pb ortholog: PBANKA_1321700)

  • Relative Growth Rate: 0.46 ± 0.09
  • Confidence: 6.30

RMgmDB ABS Phenotype: N/A

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: Q8IIL0

"Best" AlphaFill ligand hit: MHA (n-(2-acetamido)iminodiacetic acid, Local RMSD=0.10) with 6QLM (Global RMSD=2.47)

BRENDA EC Inhibitors:

EC # Name EC Inhibitors
3.4.22.- Ex: staphylococcal cysteine proteinase NEME64SpiSDSCysEDTAPCMBEGTAPMSFTLCKTPCKMENT...

Orthology to BindingDB Entries:

UniProt Protein Name Species Homology Source BindingDB Ligands
P25774 Cathepsin S Homo sapiens HOGENOM US8524710, 841, 2, 3 -Triazole Nitrile Inhibitor, 11a1, 2, 3 -Triazole Nitrile Inhibitor, 11b1, 2, 3 -Triazole Nitrile Inhibitor, 11c...
O60911 Cathepsin L2 Homo sapiens HOGENOM Azepan-3-one compound 1Azepan-3-one compound 10Dipeptidyl nitrile inhibitor, 1Dipeptidyl nitrile inhibitor, 4...
P07711 Procathepsin L Homo sapiens HOGENOM Aldehyde Inhibitor, 2Aldehyde Inhibitor, 12dL-873724trifluoroethylamine inhibitor, 1...
P43236 Cathepsin K Oryctolagus cuniculus HOGENOM L-873724trifluoroethylamine inhibitor, 1CHEMBL400387trifluoroethylamine inhibitor, 3...
O70370 Cathepsin S HOGENOM CHEMBL426819BalicatibCHEMBL184514aryl-morpholino-containing analogue, 12...
P07154 Procathepsin L Rattus norvegicus HOGENOM CHEMBL116910CHEMBL115734CHEMBL419772CHEMBL113761...
O35186 Cathepsin K Rattus norvegicus HOGENOM Azepan-3-one compound 1Azepan-3-one compound 7Azepan-3-one compound 9Azepan-3-one compound 10...
Q8IIL0 Cysteine proteinase falcipain 3 Plasmodium falciparum HOGENOM, OMA, OrthoDB, OrthoMCL BLAST Ac-Leu-Leu-Arg-HAc-Leu-Leu-Arg-HE-64CHEMBL3120849...
P25975 Procathepsin L Bos taurus HOGENOM dipeptide-derived nitrile, 5dipeptide-derived nitrile, 7dipeptidyl nitrile, 1dipeptide-derived nitrile, 9...
P06797 Procathepsin L Mus musculus HOGENOM CID644294Gallinamide ACHEMBL4594870CHEMBL4598338...
P43235 Cathepsin K Homo sapiens HOGENOM 1, 2, 3 -Triazole Nitrile Inhibitor, 11a1, 2, 3 -Triazole Nitrile Inhibitor, 11b1, 2, 3 -Triazole Nitrile Inhibitor, 11dAldehyde Inhibitor, 2...
Q9NAW4 Cysteine protease falcipain-3 [5-492] Plasmodium falciparum OMA, OrthoMCL BLAST GNF-PF-5434CHEMBL224801CHEMBL221833CHEMBL222870...
P25805 Trophozoite cysteine proteinase OrthoDB, OrthoMCL BLAST CHEMBL2237705CHEMBL2237700CHEMBL146137CHEMBL146192...
P07688 Cathepsin B Bos taurus OrthoDB epoxysuccinyl derivative 2epoxysuccinyl derivative 3epoxysuccinyl derivative 4epoxysuccinyl derivative 5...
P10605 Cathepsin B Mus musculus OrthoDB CID644294
P07858 Cathepsin B Homo sapiens OrthoDB L-873724trifluoroethylamine inhibitor, 1CHEMBL400387trifluoroethylamine inhibitor, 3...
H9B8T9 Cathepsin B OrthoDB N-formyl-3,5-diphenylpyrazoline (1a)N-formyl-5-(-2'-chlorophenyl)-3-phenylpyrazoline (1b)N-formyl-5-(-3'-chlorophenyl)-3-phenylpyrazoline (1c)N-formyl-5-(-4'-chlorophenyl)-3-phenylpyrazoline (1d)...
Q9NBD4 Cysteine proteinase falcipain 2a Plasmodium falciparum OrthoMCL BLAST Trisubsituted thiazole, 14Ac-Leu-Leu-Arg-HAc-Leu-Leu-Arg-HCHEMBL3120848...
Q3HTL5 Falcipain 2B Plasmodium falciparum OrthoMCL BLAST CHEMBL207102MDL-28170
Q9NAW2 Falcipain-2 Plasmodium falciparum OrthoMCL BLAST Phenylurenyl Chalcone deriv. 23Phenylurenyl Chalcone deriv. 24Phenylurenyl Chalcone deriv. 25Phenylurenyl Chalcone deriv. 26...
Q9N6S8 Falcipain 2 Plasmodium falciparum OrthoMCL BLAST thiosemicarbazone derivative, 3bthiosemicarbazone derivative, 3cthiosemicarbazone derivative, 3f4-aminoquinoline semicarbazone derivative, 8a...

Orthology Information

Ortholog Group (OrthoMCL): OG6_100116

Most Similar Human Ortholog: A0A7P0TAQ0

TM-align score: 0.90 | RMSD: 2.05

Seq Identity: 0.37 | Length: 261 / 492

All Human Orthologs (OrthoMCL):

Gene ID Description
ENSG00000135047 cathepsin L
ENSG00000136943 cathepsin V
ENSG00000143387 cathepsin K
ENSG00000163131 cathepsin S
ENSG00000174080 cathepsin F

Protein Information

Protein Length: 492 | Molecular Weight (kDa): 56.666

UniProt ID(s): A0A5J6BZP7, A0A5J6C0S5, Q8IIL0, Q9NAW4, Q9NB39, Q9NBA7

PDB ID(s): None

Isoelectric Point: 6.91

Protein Domain Annotations:

Source Family ID Description
InterPro IPR000169 Cysteine peptidase, cysteine active site
InterPro IPR000668 Peptidase C1A, papain C-terminal
InterPro IPR013201 Cathepsin propeptide inhibitor domain (I29)
InterPro IPR038765 Papain-like cysteine peptidase superfamily
InterPro IPR039417 Papain-like cysteine endopeptidase
PFam PF00112 Peptidase C1A, papain C-terminal
PFam PF08246 Cathepsin propeptide inhibitor domain (I29)
Superfamily SSF54001 Papain-like cysteine peptidase superfamily

Genetic Variation

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

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 6 12 13 30
disruptive 7 42 26 55
missense 7 42 24 52

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 6 39 24 32
disruptive 14 87 42 104
missense 10 79 36 70

PlasmoDB Total SNPs: 130

Non-coding: 97 | Synonymous: 20 | Nonsynonymous: 12 | Stop Codon: 1

Associated Publications

PMID Title Authors DOI/Link
9343345 Hemoglobin metabolism in the malaria parasite Plasmodium falciparum. Francis SE, Sullivan DJ Jr, Goldberg DE 10.1146/annurev.micro.51.1.97
11716777 Expression and characterization of the Plasmodium falciparum haemoglobinasefalcipain-3. Sijwali PS, Shenai BR, ..., Rosenthal PJ 10.1042/0264-6021:3600481
12368864 Genome sequence of the human malaria parasite Plasmodium falciparum. Gardner MJ, Hall N, ..., Barrell B 10.1038/nature01097
15664655 Biosynthesis, localization, and processing of falcipain cysteine proteases ofPlasmodium falciparum. Dahl EL, Rosenthal PJ https://pubmed.ncbi.nlm.nih.gov/15664655/
16776649 Substrate mapping and inhibitor profiling of falcipain-2, falcipain-3 andberghepain-2: implications for peptidase anti-malarial drug discovery. Ramjee MK, Flinn NS, ..., Watts JP 10.1042/BJ20060422
16890302 Gene disruptions demonstrate independent roles for the four falcipain cysteineproteases of Plasmodium falciparum. Sijwali PS, Koo J, Singh N, Rosenthal PJ 10.1016/j.molbiopara.2006.06.013
17565983 Falcipain cysteine proteases require bipartite motifs for trafficking to thePlasmodium falciparum food vacuole. Subramanian S, Sijwali PS, Rosenthal PJ 10.1074/jbc.M703316200
19357776 Hemoglobin cleavage site-specificity of the Plasmodium falciparum cysteineproteases falcipain-2 and falcipain-3. Subramanian S, Hardt M, ..., Rosenthal PJ 10.1371/journal.pone.0005156
23077573 The Ionic and hydrophobic interactions are required for the auto activation ofcysteine proteases of Plasmodium falciparum. Sundararaj S, Singh D, ..., Pandey KC 10.1371/journal.pone.0047227
36601587 Microsecond-long simulation reveals the molecular mechanism for the dualinhibition of falcipain-2 and falcipain-3 by antimalarial lead compounds Danazumi AU, Balogun EO 10.3389/fmolb.2022.1070080
37711130 Three decades targeting falcipains to develop antiplasmodial agents: what have welearned and what can be done next? Hernandez Gonzalez JE, Salas-Sarduy E, ..., Pascutti PG 10.2174/0929867331666230913165219
35631126 Inhibitor of Cysteine Protease of Plasmodium malariae Regulates Malapains,Endogenous Cysteine Proteases of the Parasite Le HG, Kang JM, ..., Na BK 10.3390/pathogens11050605
35462917 Target-Based Virtual Screening of Natural Compounds Identifies a PotentAntimalarial With Selective Falcipain-2 Inhibitory Activity Uddin A, Gupta S, ..., Abid M 10.3389/fphar.2022.850176