About Gene List

PF3D7_1224600 (CCHL)

Genome location: Pf3D7_12_v3:1,000,407..1,002,443(-)

Genome classification: Core

Function and Localization

Product Description: cytochrome c heme lyase, putative

SignalP Peptide: N/A

# Transmembrane Domains: 0

EC Numbers: 4.4.1.17 (Holocytochrome-c synthase)

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0005743 mitochondrial inner membrane
Component GO:0005739 mitochondrion
Function GO:0004408 holocytochrome-c synthase activity
Process GO:0018063 cytochrome c-heme linkage
Process GO:0055114 oxidation-reduction 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 0.12 0.94
Trophozoite expressed 0.18 0.90
Schizont expressed 0.08 0.96
Gametocyte expressed 0.28 0.83

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_1224600

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: 0.125 | MFS: -3.069 | #Insertions: 0

PlasmoGEM Phenotype: Essential (Pb ortholog: PBANKA_1439500)

  • Relative Growth Rate: 0.06 ± 0.05
  • Confidence: 7.31

RMgmDB ABS Phenotype: N/A

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: Q8I5H1

"Best" AlphaFill ligand hit: No AlphaFill hits

BRENDA EC Inhibitors:

EC # Name EC Inhibitors
4.4.1.17 Holocytochrome-c synthase heminDeuteroheminN-ethylmaleimideHolocytochrome c

No evidence of orthology to BindingDB entries

Orthology Information

Ortholog Group (OrthoMCL): OG6_101849

Most Similar Human Ortholog: P53701

TM-align score: 0.76 | RMSD: 2.29

Seq Identity: 0.36 | Length: 192 / 231

All Human Orthologs (OrthoMCL):

Gene ID Description
ENSG00000004961 holocytochrome c synthase

Genetic Variation

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

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 3 13 7 13
disruptive 1 12 8 28
missense 1 11 7 25

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 6 21 23 18
disruptive 6 35 26 52
missense 5 27 24 37

PlasmoDB Total SNPs: 111

Non-coding: 89 | Synonymous: 16 | Nonsynonymous: 6 | Stop Codon: 0

Protein Information

Protein Length: 231 | Molecular Weight (kDa): 27.717

UniProt ID(s): Q8I5H1

PDB ID(s): None

Isoelectric Point: 8.31

Protein Domain Annotations:

Source Family ID Description
InterPro IPR000511 Cytochrome c/c1 haem-lyase
PFam PF01265 Cytochrome c/c1 haem-lyase
Superfamily N/A 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
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
35454139 Investigation of the Molecular Mechanisms of the Eukaryotic Cytochrome-cMaturation System Silva AV, Firmino MO, ..., Paquete CM 10.3390/biom12040549