About Gene List

PF3D7_1105100 (H2B)

Genome location: Pf3D7_11_v3:225,227..226,943(+)

Genome classification: Core

Function and Localization

Product Description: histone H2B

SignalP Peptide: N/A

# Transmembrane Domains: 0

EC Numbers: None

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0000786 nucleosome
Component GO:0005634 nucleus
Function GO:0003677 DNA binding
Function GO:0003723 RNA binding
Process GO:0051276 chromosome organization
Process GO:0006334 nucleosome 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 1.75 0.40
Trophozoite expressed 4.44 0.04
Schizont expressed 5.42 0.00
Gametocyte expressed 4.33 0.01

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_1105100

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: N/A

PlasmoGEM Phenotype: Essential (Pb ortholog: PBANKA_1420600)

  • Relative Growth Rate: 0.10 ± 0.57
  • Confidence: 1.00

RMgmDB ABS Phenotype: N/A

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: Q8IIV1

"Best" AlphaFill ligand hit: RU7 (para-cymene ruthenium chloride, Local RMSD=0.08) with 4J8X (Global RMSD=0.86)

No associated EC numbers

No evidence of orthology to BindingDB entries

Orthology Information

Ortholog Group (OrthoMCL): OG6_100082

Most Similar Human Ortholog: P06899

TM-align score: 0.81 | RMSD: 1.25

Seq Identity: 0.72 | Length: 102 / 117

All Human Orthologs (OrthoMCL):

Gene ID Description
ENSG00000124635 H2B clustered histone 11
ENSG00000146047 H2B clustered histone 1
ENSG00000158373 H2B clustered histone 5
ENSG00000180596 H2B clustered histone 4
ENSG00000184678 H2B clustered histone 21
ENSG00000185130 H2B clustered histone 13
ENSG00000196890 H2B.U histone 1
ENSG00000197903 H2B clustered histone 12
ENSG00000203814 H2B clustered histone 18
ENSG00000233822 H2B clustered histone 15
ENSG00000273703 H2B clustered histone 14
ENSG00000273802 H2B clustered histone 8
ENSG00000274290 H2B clustered histone 6
ENSG00000274641 H2B clustered histone 17
ENSG00000275713 H2B clustered histone 9
ENSG00000276410 H2B clustered histone 3
ENSG00000277224 H2B clustered histone 7
ENSG00000278588 H2B clustered histone 10
ENSG00000285449 H2B.U histone 1

Genetic Variation

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

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 0 0 0 1
disruptive 0 0 0 0
missense 0 0 0 0

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 0 0 1 0
disruptive 0 0 0 0
missense 0 0 0 0

PlasmoDB Total SNPs: 133

Non-coding: 132 | Synonymous: 1 | Nonsynonymous: 0 | Stop Codon: 0

Protein Information

Protein Length: 117 | Molecular Weight (kDa): 13.125

UniProt ID(s): Q27717, Q8IIV1

PDB ID(s): None

Isoelectric Point: 10.96

Protein Domain Annotations:

Source Family ID Description
InterPro IPR000558 Histone H2B
InterPro IPR007125 Histone H2A/H2B/H3
InterPro IPR009072 Histone-fold
PFam PF00125 Histone H2A/H2B/H3
Superfamily SSF47113 Histone-fold

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
16267556 A protein interaction network of the malaria parasite Plasmodium falciparum. LaCount DJ, Vignali M, ..., Hughes RE 10.1038/nature04104
23181666 Organellar proteomics reveals hundreds of novel nuclear proteins in the malariaparasite Plasmodium falciparum. Oehring SC, Woodcroft BJ, ..., Voss TS 10.1186/gb-2012-13-11-r108
23320541 H2A.Z/H2B.Z double-variant nucleosomes inhabit the AT-rich promoter regions ofthe Plasmodium falciparum genome. Hoeijmakers WA, Salcedo-Amaya AM, ..., Bartfai R 10.1111/mmi.12151
23373537 H2A.Z and H2B.Z double-variant nucleosomes define intergenic regions anddynamically occupy var gene promoters in the malaria parasite Plasmodiumfalciparum. Petter M, Selvarajah SA, ..., Duffy MF 10.1111/mmi.12154
30379851 Identification of Plasmodium falciparum nuclear proteins by mass spectrometry andproposed protein annotation. Briquet S, Ourimi A, ..., Vaquero C 10.1371/journal.pone.0205596
33906926 Functional Characterization of the m(6)A-Dependent Translational Modulator PfYTH Sinha A, Baumgarten S, ..., Scherf A 10.1128/mBio.00661-21
38354788 Mechanisms of adaptation and evolution in Toxoplasma gondii Angel SO, Vanagas L, Alonso AM 10.1016/j.molbiopara.2024.111615