About Gene List

PF3D7_0516600 (MB2)

Genome location: Pf3D7_05_v3:686,350..693,455(-)

Genome classification: Core

Function and Localization

Product Description: sporozoite surface antigen MB2

SignalP Peptide: MFLIWRLYKTLFLILYIIILQEYVCHS

# Transmembrane Domains: 0

EC Numbers: None

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0020011 apicoplast
Component GO:0005737 cytoplasm
Component GO:0005829 cytosol
Component GO:0005634 nucleus
Component GO:0005886 plasma membrane
Component GO:0020003 symbiont-containing vacuole

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 possibly expressed 0.26 0.87
Trophozoite expressed 0.66 0.63
Schizont expressed 0.56 0.68
Gametocyte possibly expressed 0.52 0.72

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_0516600

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: 0.128 | MFS: -3.064 | #Insertions: 0

PlasmoGEM Phenotype: Slow (Pb ortholog: PBANKA_1231400)

  • Relative Growth Rate: 0.36 ± 0.23
  • Confidence: 4.30

RMgmDB ABS Phenotype: Different from wild type (Pb ortholog: PBANKA_1231400)

Modification: Disrupted | RMgm-3323

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: Q8I3U2

"Best" AlphaFill ligand hit: 5GP (guanosine-5'-monophosphate, Local RMSD=0.26) with 4AC9 (Global RMSD=3.73)

No associated EC numbers

No evidence of orthology to BindingDB entries

Orthology Information

Ortholog Group (OrthoMCL): OG6_100987

Most Similar Human Ortholog: C9JIY5

TM-align score: 0.87 | RMSD: 0.33

Seq Identity: 0.12 | Length: 25 / 1610

All Human Orthologs (OrthoMCL):

Gene ID Description
ENSG00000085760 mitochondrial translational initiation factor 2

Genetic Variation

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

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 17 45 37 89
disruptive 89 170 90 279
missense 51 137 72 232

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 25 100 58 105
disruptive 128 323 191 344
missense 75 242 162 271

PlasmoDB Total SNPs: 438

Non-coding: 249 | Synonymous: 113 | Nonsynonymous: 76 | Stop Codon: 0

Protein Information

Protein Length: 1610 | Molecular Weight (kDa): 187.039

UniProt ID(s): Q8I3U2, Q8WP98, Q8WR58, Q963G3, Q963G4, Q963G5, Q963G7, Q963G8, Q963G9

PDB ID(s): None

Isoelectric Point: 8.52

Protein Domain Annotations:

Source Family ID Description
InterPro IPR000795 Transcription factor, GTP-binding domain
InterPro IPR005225 Small GTP-binding protein domain
InterPro IPR009000 Translation protein, beta-barrel domain superfamily
InterPro IPR011049 Serralysin-like metalloprotease, C-terminal
InterPro IPR012340 Nucleic acid-binding, OB-fold
InterPro IPR015760 Translation initiation factor IF- 2
InterPro IPR022967 RNA-binding domain, S1
InterPro IPR023115 Translation initiation factor IF- 2, domain 3
InterPro IPR027417 P-loop containing nucleoside triphosphate hydrolase
InterPro IPR036925 Translation initiation factor IF-2, domain 3 superfamily
PFam PF00009 Transcription factor, GTP-binding domain
PFam PF11987 Translation initiation factor IF- 2, domain 3
Superfamily SSF50249 Nucleic acid-binding, OB-fold
Superfamily SSF50447 Translation protein, beta-barrel domain superfamily
Superfamily SSF51120 Serralysin-like metalloprotease, C-terminal
Superfamily SSF52156 Translation initiation factor IF-2, domain 3 superfamily
Superfamily SSF52540 P-loop containing nucleoside triphosphate hydrolase

Associated Publications

PMID Title Authors DOI/Link
11371568 Stage-dependent localization of a novel gene product of the malaria parasite,Plasmodium falciparum. Nguyen TV, Fujioka H, ..., James AA 10.1074/jbc.M103375200
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
25689481 Targeting and function of proteins mediating translation initiation in organellesof Plasmodium falciparum. Haider A, Allen SM, ..., Habib S 10.1111/mmi.12972
30212465 Integrative proteomics and bioinformatic prediction enable a high-confidenceapicoplast proteome in malaria parasites. Boucher MJ, Ghosh S, ..., Yeh E 10.1371/journal.pbio.2005895