About Gene List

PF3D7_1255000 (RIF)

Genome location: Pf3D7_12_v3:2,234,600..2,235,792(+)

Genome classification: SubtelomericHypervariable

Function and Localization

Product Description: rifin

SignalP Peptide: MKLHCSKILLFLLPLNILVTSLSNVYS

# Transmembrane Domains: 3

EC Numbers: None

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0020002 host cell plasma membrane
Process GO:0020033 antigenic variation

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 0.00 1.00
Trophozoite expressed 0.00 1.00
Schizont expressed 0.00 1.00
Gametocyte expressed 0.00 1.00

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_1255000

Resistome Missense Mutations: A113S, L224I

Resistome Compounds with Missense Mutations: Desoxyepothilone B

Resistome # Samples with Disruptive Mutations: 5 (5 missense, 0 "interesting" missense)

Essentiality (ABS)

Zhang Phenotype: Non - Mutable in CDS *tentative

MIS: 1 | MFS: 0 | #Insertions: 0

PlasmoGEM Phenotype: N/A

RMgmDB ABS Phenotype: N/A

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: Q8I4N7

"Best" AlphaFill ligand hit: NAD (nicotinamide-adenine-dinucleotide, Local RMSD=23.84) with 2EER (Global RMSD=23.56)

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: 624

Non-coding: 59 | Synonymous: 88 | Nonsynonymous: 470 | Stop Codon: 7

Protein Information

Protein Length: 345 | Molecular Weight (kDa): 37.839

UniProt ID(s): Q2XR92, Q2XRB8, Q2XRD2, Q8I4N7

PDB ID(s): None

Isoelectric Point: 9.49

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
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
12368868 Sequence of Plasmodium falciparum chromosomes 2, 10, 11 and 14. Gardner MJ, Shallom SJ, ..., Fraser CM 10.1038/nature01094