About Gene List

PF3D7_0517300 (SR1)

Genome location: Pf3D7_05_v3:723,233..727,755(-)

Genome classification: Core

Function and Localization

Product Description: serine/arginine-rich splicing factor 1

SignalP Peptide: N/A

# Transmembrane Domains: 0

EC Numbers: None

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0005737 cytoplasm
Component GO:0016607 nuclear speck
Component GO:0005634 nucleus
Component GO:0005681 spliceosomal complex
Function GO:0003723 RNA binding
Function GO:0106153 phosphorylated histone binding
Process GO:0008380 RNA splicing
Process GO:0006974 cellular response to DNA damage stimulus
Process GO:0045292 mRNA cis splicing, via spliceosome
Process GO:0006397 mRNA processing
Process GO:0000381 regulation of alternative mRNA splicing, via spliceosome
Process GO:0048024 regulation of mRNA splicing, via spliceosome

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 0.97 0.56
Trophozoite expressed 0.56 0.67
Schizont expressed 0.27 0.82
Gametocyte expressed 0.35 0.80

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_0517300

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: 0.822 | MFS: -2.528 | #Insertions: 0

PlasmoGEM Phenotype: N/A

RMgmDB ABS Phenotype: N/A

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: Q8I3T5

"Best" AlphaFill ligand hit: No AlphaFill hits

No associated EC numbers

No evidence of orthology to BindingDB entries

Orthology Information

Ortholog Group (OrthoMCL): OG6_102665

Most Similar Human Ortholog: J3QQV5

TM-align score: 0.72 | RMSD: 1.25

Seq Identity: 0.50 | Length: 52 / 298

All Human Orthologs (OrthoMCL):

Gene ID Description
ENSG00000111786 serine and arginine rich splicing factor 9
ENSG00000136450 serine and arginine rich splicing factor 1
ENSG00000266086 novel transcript

Genetic Variation

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

Homozygous genotype calls only

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

Any inclusion in genotype call

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

PlasmoDB Total SNPs: 237

Non-coding: 237 | Synonymous: 0 | Nonsynonymous: 0 | Stop Codon: 0

Protein Information

Protein Length: 298 | Molecular Weight (kDa): 34.561

UniProt ID(s): Q8I3T5

PDB ID(s): 2N3L, 2N7C

Isoelectric Point: 11.18

Protein Domain Annotations:

Source Family ID Description
InterPro IPR000504 RNA recognition motif domain
InterPro IPR035979 RNA-binding domain superfamily
PFam PF00076 RNA recognition motif domain
Superfamily SSF54928 RNA-binding domain superfamily

Associated Publications

PMID Title Authors DOI/Link
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
22885299 A novel Plasmodium falciparum SR protein is an alternative splicing factorrequired for the parasites' proliferation in human erythrocytes. Eshar S, Allemand E, ..., Dzikowski R 10.1093/nar/gks735
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
25807998 PfSR1 controls alternative splicing and steady-state RNA levels in Plasmodiumfalciparum through preferential recognition of specific RNA motifs. Eshar S, Altenhofen L, ..., Dzikowski R 10.1111/mmi.13007
30379851 Identification of Plasmodium falciparum nuclear proteins by mass spectrometry andproposed protein annotation. Briquet S, Ourimi A, ..., Vaquero C 10.1371/journal.pone.0205596
30500338 The N-terminal RNA Recognition Motif of PfSR1 Confers Semi-specificity forPyrimidines during RNA Recognition. Ganguly AK, Verma G, Bhavesh NS 10.1016/j.jmb.2018.11.020
33906926 Functional Characterization of the m(6)A-Dependent Translational Modulator PfYTH Sinha A, Baumgarten S, ..., Scherf A 10.1128/mBio.00661-21
34291805 An S R protein is essential for activating D NA repair in malaria parasites Goyal M, Singh BK, ..., Dzikowski R 10.1242/jcs.258572
38075902 The splicing factor SR2 is an important virulence factor of Toxoplasma gondii Wu XJ, Gao J, ..., Zhu XQ 10.3389/fmicb.2023.1302512