About Gene List

PF3D7_0928000 (COX6B)

Genome location: Pf3D7_09_v3:1,134,936..1,136,835(+)

Genome classification: Core

Function and Localization

Product Description: cytochrome c oxidase subunit 6B, putative

SignalP Peptide: N/A

# Transmembrane Domains: 0

EC Numbers: 1.9.3.1 (Transferred entry: 7.1.1.9)

Curated GO (PlasmoDB): None

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 nd nd
Trophozoite expressed nd nd
Schizont expressed nd nd
Gametocyte expressed nd nd

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_0928000.2

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: 0.153 | MFS: 0 | #Insertions: 0

PlasmoGEM Phenotype: Essential (Pb ortholog: PBANKA_0828800)

  • Relative Growth Rate: 0.08 ± 0.11
  • Confidence: 5.73

RMgmDB ABS Phenotype: N/A

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: Q8I2M9

"Best" AlphaFill ligand hit: No AlphaFill hits

BRENDA EC Inhibitors:

EC # Name EC Inhibitors
1.9.3.1 cytochrome-c oxidase No BRENDA inhibitors
1.9.3.1 cytochrome-c oxidase No BRENDA inhibitors

No evidence of orthology to BindingDB entries

Orthology Information

Ortholog Group (OrthoMCL): OG6_102345

Most Similar Human Ortholog: P14854

TM-align score: 0.66 | RMSD: 2.15

Seq Identity: 0.29 | Length: 69 / 103

All Human Orthologs (OrthoMCL):

Gene ID Description
ENSG00000126267 cytochrome c oxidase subunit 6B1
ENSG00000160471 cytochrome c oxidase subunit 6B2

Genetic Variation

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

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 1 6 1 4
disruptive 1 7 4 13
missense 1 7 4 12

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 2 7 2 6
disruptive 1 16 10 14
missense 1 15 9 7

PlasmoDB Total SNPs: 117

Non-coding: 113 | Synonymous: 2 | Nonsynonymous: 2 | Stop Codon: 0

Protein Information

Protein Length: 103 | Molecular Weight (kDa): 12.225

UniProt ID(s): Q8I2M9

PDB ID(s): None

Isoelectric Point: 6.93

Protein Domain Annotations:

Source Family ID Description
InterPro IPR003213 Cytochrome c oxidase, subunit VIb
InterPro IPR036549 Cytochrome c oxidase, subunit VIb superfamily
PFam N/A N/A
Superfamily SSF47694 Cytochrome c oxidase, subunit VIb superfamily

Associated Publications

PMID Title Authors DOI/Link
12368867 Sequence of Plasmodium falciparum chromosomes 1, 3-9 and 13. Hall N, Pain A, ..., Barrell BG 10.1038/nature01095
16267556 A protein interaction network of the malaria parasite Plasmodium falciparum. LaCount DJ, Vignali M, ..., Hughes RE 10.1038/nature04104