About Gene List

PF3D7_1360800 (FLN)

Genome location: Pf3D7_13_v3:2,434,692..2,439,303(+)

Genome classification: Core

Function and Localization

Product Description: falcilysin

SignalP Peptide: N/A

# Transmembrane Domains: 0

EC Numbers: 3.4.24.- (Metalloendopeptidases.);3.4.24.55 (Pitrilysin)

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0020011 apicoplast
Component GO:0005737 cytoplasm
Component GO:0020020 food vacuole
Function GO:0004222 metalloendopeptidase activity
Process GO:0042540 hemoglobin catabolic process
Process GO:0016485 protein processing

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 1.00 0.55
Trophozoite expressed 1.76 0.24
Schizont expressed 0.87 0.56
Gametocyte expressed 0.89 0.55

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_1360800

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: 0.177 | MFS: -3.277 | #Insertions: 0

PlasmoGEM Phenotype: Essential (Pb ortholog: PBANKA_1137000)

  • Relative Growth Rate: 0.08 ± 0.10
  • Confidence: 5.93

RMgmDB ABS Phenotype: N/A

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: Q76NL8

"Best" AlphaFill ligand hit: CLQ (n4-(7-chloro-quinolin-4-yl)-n1,n1-diethyl-pentane-1,4-diamine, Local RMSD=0.92) with 7DI7 (Global RMSD=1.39)

BRENDA EC Inhibitors:

EC # Name EC Inhibitors
3.4.24.- Ex: meprin A GSHSDSATPADPNEMDTTPTXTNFEDTAEGTAPMSFPCMB...
3.4.24.55 pitrilysin DTTEDTAPCMBEGTAZincovcysteineantipainbacitracinchymostatinphosphoramidonN-ethylmaleimideChelating agents...

Orthology to BindingDB Entries:

UniProt Protein Name Species Homology Source BindingDB Ligands
Q76NL8 Falcilysin HOGENOM, OMA, OrthoDB, OrthoMCL, OrthoMCL BLAST CHEMBL4225532CHEMBL4227329CHEMBL4226440CHEMBL4227286...
Q5JRX3 Presequence protease, mitochondrial Homo sapiens OMA, OrthoDB Ketopyrrolidine derivativeCHEMBL3233842US11504364, Compound 2CHEMBL3233842...
Q8K411 Presequence protease, mitochondrial OMA, OrthoDB Ketopyrrolidine derivativeCHEMBL3233842

Orthology Information

Ortholog Group (OrthoMCL): OG6_101809

Most Similar Human Ortholog: A0A7I2V3X0

TM-align score: 0.91 | RMSD: 2.64

Seq Identity: 0.23 | Length: 752 / 1193

All Human Orthologs (OrthoMCL):

Gene ID Description
ENSG00000107959 pitrilysin metallopeptidase 1

Protein Information

Protein Length: 1193 | Molecular Weight (kDa): 138.863

UniProt ID(s): Q76NL8, Q9U7N7

PDB ID(s): 3S5H, 3S5I, 3S5K, 3S5M, 8HO4, 8HO5

Isoelectric Point: 6.98

Protein Domain Annotations:

Source Family ID Description
InterPro IPR007863 Peptidase M16, C-terminal
InterPro IPR011249 Metalloenzyme, LuxS/M16 peptidase-like
InterPro IPR011765 Peptidase M16, N-terminal
InterPro IPR013578 Peptidase M16C associated
PFam PF00675 Peptidase M16, N-terminal
PFam PF05193 Peptidase M16, C-terminal
PFam PF08367 Peptidase M16C associated
Superfamily SSF63411 Metalloenzyme, LuxS/M16 peptidase-like

Genetic Variation

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

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 8 71 46 91
disruptive 16 85 46 181
missense 12 79 46 174

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 17 141 62 88
disruptive 26 182 93 255
missense 20 161 87 215

PlasmoDB Total SNPs: 162

Non-coding: 85 | Synonymous: 47 | Nonsynonymous: 30 | Stop Codon: 0

Associated Publications

PMID Title Authors DOI/Link
10542284 Identification and characterization of falcilysin, a metallopeptidase involved inhemoglobin catabolism within the malaria parasite Plasmodium falciparum. Eggleson KK, Duffin KL, Goldberg DE 10.1074/jbc.274.45.32411
16267556 A protein interaction network of the malaria parasite Plasmodium falciparum. LaCount DJ, Vignali M, ..., Hughes RE 10.1038/nature04104
17074076 A role for falcilysin in transit peptide degradation in the Plasmodium falciparumapicoplast. Ponpuak M, Klemba M, ..., Goldberg DE 10.1111/j.1365-2958.2006.05443.x
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
30212465 Integrative proteomics and bioinformatic prediction enable a high-confidenceapicoplast proteome in malaria parasites. Boucher MJ, Ghosh S, ..., Yeh E 10.1371/journal.pbio.2005895