About Gene List

PF3D7_1454500 (ISCU)

Genome location: Pf3D7_14_v3:2,237,754..2,239,406(+)

Genome classification: Core

Function and Localization

Product Description: iron-sulfur cluster assembly protein ISCU

SignalP Peptide: N/A

# Transmembrane Domains: 0

EC Numbers: None

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0005737 cytoplasm
Component GO:0005759 mitochondrial matrix
Component GO:0005739 mitochondrion
Function GO:0051537 2 iron, 2 sulfur cluster binding
Function GO:0051539 4 iron, 4 sulfur cluster binding
Function GO:0008198 ferrous iron binding
Function GO:0005506 iron ion binding
Function GO:0005515 protein binding
Process GO:0006879 cellular iron ion homeostasis
Process GO:0016226 iron-sulfur cluster assembly

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 0.23 0.88
Trophozoite expressed 0.14 0.91
Schizont expressed 0.09 0.94
Gametocyte expressed 0.23 0.86

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_1454500

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 *tentative

MIS: 0.141 | MFS: -3.156 | #Insertions: 0

PlasmoGEM Phenotype: Essential (Pb ortholog: PBANKA_1318200)

  • Relative Growth Rate: 0.19 ± 0.21
  • Confidence: 4.50

RMgmDB ABS Phenotype: N/A

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: Q8IKT4

"Best" AlphaFill ligand hit: 15P (peg 1500, Local RMSD=0.86) with 3IAU (Global RMSD=17.05)

No associated EC numbers

No evidence of orthology to BindingDB entries

Orthology Information

Ortholog Group (OrthoMCL): OG6_100973

Most Similar Human Ortholog: Q9H1K1

TM-align score: 0.79 | RMSD: 1.50

Seq Identity: 0.57 | Length: 134 / 162

All Human Orthologs (OrthoMCL):

Gene ID Description
ENSG00000136003 iron-sulfur cluster assembly enzyme

Genetic Variation

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

No passing variants found

PlasmoDB Total SNPs: 51

Non-coding: 42 | Synonymous: 7 | Nonsynonymous: 2 | Stop Codon: 0

Protein Information

Protein Length: 162 | Molecular Weight (kDa): 18.057

UniProt ID(s): Q8IKT4

PDB ID(s): None

Isoelectric Point: 9.23

Protein Domain Annotations:

Source Family ID Description
InterPro IPR002871 NIF system FeS cluster assembly, NifU, N-terminal
InterPro IPR011339 ISC system FeS cluster assembly, IscU scaffold
PFam PF01592 NIF system FeS cluster assembly, NifU, N-terminal
Superfamily SSF82649 N/A

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
34032321 [Fe-S] biogenesis and unusual assembly of the ISC scaffold complex in thePlasmodium falciparum mitochondrion. Mohammad Sadik, Mohammad Afsar, Ramachandran R, Habib S 10.1111/mmi.14735
34494883 A Prioritized and Validated Resource of Mitochondrial Proteins in PlasmodiumIdentifies Unique Biology. van Esveld SL, Meerstein-Kessel L, ..., Huynen MA 10.1128/mSphere.00614-21