About Gene List

PF3D7_1414800 (SMB1)

Genome location: Pf3D7_14_v3:599,435..601,403(-)

Genome classification: Core

Function and Localization

Product Description: small nuclear ribonucleoprotein-associated protein B, putative

SignalP Peptide: N/A

# Transmembrane Domains: 0

EC Numbers: None

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0005685 U1 snRNP
Component GO:0005686 U2 snRNP
Component GO:0071004 U2-type prespliceosome
Component GO:0005687 U4 snRNP
Component GO:0046540 U4/U6 x U5 tri-snRNP complex
Component GO:0005682 U5 snRNP
Component GO:0071013 catalytic step 2 spliceosome
Component GO:0005737 cytoplasm
Component GO:0005634 nucleus
Component GO:0005681 spliceosomal complex
Process GO:0008380 RNA splicing
Process GO:0000398 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 possibly expressed N/A N/A
Ring expressed 0.12 0.94
Trophozoite expressed 0.29 0.82
Schizont expressed 0.04 0.97
Gametocyte expressed 0.08 0.95

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_1414800

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: 0.122 | MFS: -3.272 | #Insertions: 0

PlasmoGEM Phenotype: N/A

RMgmDB ABS Phenotype: N/A

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: Q8ILU8

"Best" AlphaFill ligand hit: No AlphaFill hits

No associated EC numbers

No evidence of orthology to BindingDB entries

Orthology Information

Ortholog Group (OrthoMCL): OG6_101868

Most Similar Human Ortholog: S4R3P3

TM-align score: 0.78 | RMSD: 2.14

Seq Identity: 0.34 | Length: 67 / 201

All Human Orthologs (OrthoMCL):

Gene ID Description
ENSG00000125835 small nuclear ribonucleoprotein polypeptides B and B1
ENSG00000128739 small nuclear ribonucleoprotein polypeptide N

Genetic Variation

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

No passing variants found

PlasmoDB Total SNPs: 98

Non-coding: 86 | Synonymous: 3 | Nonsynonymous: 9 | Stop Codon: 0

Protein Information

Protein Length: 201 | Molecular Weight (kDa): 22.332

UniProt ID(s): Q8ILU8

PDB ID(s): None

Isoelectric Point: 10.86

Protein Domain Annotations:

Source Family ID Description
InterPro IPR001163 LSM domain, eukaryotic/archaea-type
InterPro IPR010920 LSM domain superfamily
PFam PF01423 LSM domain, eukaryotic/archaea-type
Superfamily SSF50182 LSM domain superfamily

Associated Publications

PMID Title Authors DOI/Link
12368864 Genome sequence of the human malaria parasite Plasmodium falciparum. Gardner MJ, Hall N, ..., Barrell B 10.1038/nature01097
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
30379851 Identification of Plasmodium falciparum nuclear proteins by mass spectrometry andproposed protein annotation. Briquet S, Ourimi A, ..., Vaquero C 10.1371/journal.pone.0205596
20885950 Characterisation of the SUMO-like domains of Schizosaccharomyces pombe Rad60 Boyd LK, Mercer B, ..., Watts FZ 10.1371/journal.pone.0013009