About Gene List

PF3D7_0824300 (OBG2)

Genome location: Pf3D7_08_v3:1,059,246..1,061,567(-)

Genome classification: Core

Function and Localization

Product Description: GTP-binding protein Obg2, putative

SignalP Peptide: N/A

# Transmembrane Domains: 0

EC Numbers: None

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0005829 cytosol
Component GO:0005739 mitochondrion
Function GO:0005525 GTP binding

Expression by stage (LR - Le Roch et al., and MCA - Malaria Cell Atlas):

Stage LR class MCA mean MCA prop. zeros
Sporozoite not expressed N/A N/A
Ring not expressed 0.04 0.98
Trophozoite expressed 0.38 0.77
Schizont expressed 0.41 0.74
Gametocyte expressed 0.52 0.71

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_0824300

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: 0.12 | MFS: -3.017 | #Insertions: 0

PlasmoGEM Phenotype: Slow (Pb ortholog: PBANKA_0706300)

  • Relative Growth Rate: 0.19 ± 0.09
  • Confidence: 6.19

RMgmDB ABS Phenotype: Different from wild type (Pb ortholog: PBANKA_0706300)

Modification: Disrupted | RMgm-2195

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: Q8IB77

"Best" AlphaFill ligand hit: GDP (guanosine-5'-diphosphate, Local RMSD=0.37) with 2E87 (Global RMSD=5.11)

No associated EC numbers

No evidence of orthology to BindingDB entries

Orthology Information

Ortholog Group (OrthoMCL): OG6_136413

No human ortholog(s)

Genetic Variation

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

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 3 35 9 32
disruptive 14 63 43 84
missense 14 62 43 76

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 8 58 26 48
disruptive 24 148 85 170
missense 21 128 74 128

PlasmoDB Total SNPs: 58

Non-coding: 1 | Synonymous: 32 | Nonsynonymous: 25 | Stop Codon: 0

Protein Information

Protein Length: 773 | Molecular Weight (kDa): 91.194

UniProt ID(s): Q8IB77

PDB ID(s): None

Isoelectric Point: 9.61

Protein Domain Annotations:

Source Family ID Description
InterPro IPR006073 GTP binding domain
InterPro IPR006169 GTP1/OBG domain
InterPro IPR027417 P-loop containing nucleoside triphosphate hydrolase
InterPro IPR036726 GTP1/OBG domain superfamily
PFam PF01018 GTP1/OBG domain
PFam PF01926 GTP binding domain
Superfamily SSF52540 P-loop containing nucleoside triphosphate hydrolase
Superfamily SSF82051 GTP1/OBG domain superfamily

Associated Publications

PMID Title Authors DOI/Link
29642957 Characterization of mitochondrion-targeted GTPases in Plasmodium falciparum. Gupta K, Gupta A, Haider A, Habib S 10.1017/S0031182018000501
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