About Gene List

PF3D7_0223100 (RIF)

Genome location: Pf3D7_02_v3:904,551..905,775(+)

Genome classification: SubtelomericHypervariable

Function and Localization

Product Description: rifin

SignalP Peptide: N/A

# Transmembrane Domains: 3

EC Numbers: None

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0020036 Maurer's cleft
Component GO:0020002 host cell plasma membrane
Component GO:0020003 symbiont-containing vacuole
Function GO:0046789 host cell surface receptor binding
Process GO:0020033 antigenic variation
Process GO:0020035 cytoadherence to microvasculature, mediated by symbiont protein
Process GO:0042783 evasion of host immune response
Process GO:0020013 modulation by symbiont of host erythrocyte aggregation

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 0.00 1.00
Trophozoite expressed 0.00 1.00
Schizont not expressed 0.00 1.00
Gametocyte not expressed 0.00 1.00

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_0223100

Resistome Missense Mutations: N242H, F243Y, I269N, I269L, T270A

Resistome Compounds with Missense Mutations: AN13762

Resistome # Samples with Disruptive Mutations: 1 (1 missense, 1 "interesting" missense)

Essentiality (ABS)

Zhang Phenotype: Non - Mutable in CDS

MIS: 0.18 | MFS: -2.762 | #Insertions: 0

PlasmoGEM Phenotype: N/A

RMgmDB ABS Phenotype: N/A

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: O96292

"Best" AlphaFill ligand hit: No AlphaFill hits

No associated EC numbers

No evidence of orthology to BindingDB entries

Orthology Information

Ortholog Group (OrthoMCL): OG6_100719

No human ortholog(s)

Genetic Variation

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

No passing variants found

PlasmoDB Total SNPs: 554

Non-coding: 58 | Synonymous: 167 | Nonsynonymous: 326 | Stop Codon: 3

Protein Information

Protein Length: 330 | Molecular Weight (kDa): 37.481

UniProt ID(s): O96292

PDB ID(s): None

Isoelectric Point: 8.52

Protein Domain Annotations:

Source Family ID Description
InterPro IPR006373 Variant surface antigen Rifin
PFam PF02009 Variant surface antigen Rifin
Superfamily N/A N/A

Associated Publications

PMID Title Authors DOI/Link
9804551 Chromosome 2 sequence of the human malaria parasite Plasmodium falciparum. Gardner MJ, Tettelin H, ..., Hoffman SL 10.1126/science.282.5391.1126
10430943 Rifins: a second family of clonally variant proteins expressed on the surface ofred cells infected with Plasmodium falciparum. Kyes SA, Rowe JA, Kriek N, Newbold CI 10.1073/pnas.96.16.9333
12368864 Genome sequence of the human malaria parasite Plasmodium falciparum. Gardner MJ, Hall N, ..., Barrell B 10.1038/nature01097
25751816 RIFINs are adhesins implicated in severe Plasmodium falciparum malaria. Goel S, Palmkvist M, ..., Wahlgren M 10.1038/nm.3812
29187532 Characterization of SPP inhibitors suppressing propagation of HCV and protozoa. Hirano J, Okamoto T, ..., Matsuura Y 10.1073/pnas.1712484114