About Gene List

PF3D7_0302100 (SRPK1)

Genome location: Pf3D7_03_v3:112,158..118,863(+)

Genome classification: Core

Function and Localization

Product Description: serine/threonine protein kinase

SignalP Peptide: N/A

# Transmembrane Domains: 0

EC Numbers: 2.7.11.1 (Non-specific serine/threonine protein kinase)

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0005737 cytoplasm
Component GO:0005634 nucleus
Function GO:0004707 MAP kinase activity
Function GO:0004674 protein serine/threonine kinase activity
Process GO:0035556 intracellular signal transduction
Process GO:0006468 protein phosphorylation
Process GO:0010468 regulation of gene expression
Process GO:0050684 regulation of mRNA processing
Process GO:0000245 spliceosomal complex assembly

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 0.43 0.80
Trophozoite expressed 0.69 0.62
Schizont possibly expressed 0.17 0.90
Gametocyte possibly expressed 0.90 0.54

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_0302100

Resistome Missense Mutations: I957V

Resistome Compounds with Missense Mutations: MMV665794

Resistome # Samples with Disruptive Mutations: 8 (3 missense, 0 "interesting" missense)

Essentiality (ABS)

Zhang Phenotype: Mutable in CDS

MIS: 0.991 | MFS: -2.546 | #Insertions: 1

PlasmoGEM Phenotype: Slow (Pb ortholog: PBANKA_0401100)

  • Relative Growth Rate: 0.66 ± 0.07
  • Confidence: 6.68

RMgmDB ABS Phenotype: Different from wild type (Pb ortholog: PBANKA_0401100)

Modification: Disrupted | RMgm-1829

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: O77306

"Best" AlphaFill ligand hit: 5XH (~{n}-[1-[(3~{r})-1-[4-(dimethylamino)but-2-enoyl]azepan-3-yl]-7-methyl-benzimidazol-2-yl]-2-methyl-pyridine-4-carboxamide, Local RMSD=0.20) with 6Q2A (Global RMSD=6.20)

BRENDA EC Inhibitors:

EC # Name EC Inhibitors
2.7.11.1 non-specific serine/threonine protein kinase ATPKClDTTP53DRBEDTATBCAKN-93K252aCKI-7LAALSTAACS...

Orthology to BindingDB Entries:

UniProt Protein Name Species Homology Source BindingDB Ligands
Q96SB4 SRSF protein kinase 1 Homo sapiens OrthoDB SPHINXSPHINX scaffold, 1SPHINX scaffold, 2US9695160, SPHINX7...
Q9UPE1 SRSF protein kinase 3 Homo sapiens OrthoDB CHEMBL4077195Staurosporine, 8Staurosporine, 8
O70551 SRSF protein kinase 1 OrthoDB CHEMBL4064277
P78362 SRSF protein kinase 2 Homo sapiens OrthoDB US9126931, 366CHEMBL3747406CHEMBL3746395CHEMBL3747611...

Orthology Information

Ortholog Group (OrthoMCL): OG6_100556

Most Similar Human Ortholog: A8MPP7

TM-align score: 0.73 | RMSD: 3.35

Seq Identity: 0.40 | Length: 394 / 1338

All Human Orthologs (OrthoMCL):

Gene ID Description
ENSG00000096063 SRSF protein kinase 1
ENSG00000135250 SRSF protein kinase 2
ENSG00000184343 SRSF protein kinase 3

Protein Information

Protein Length: 1338 | Molecular Weight (kDa): 157.372

UniProt ID(s): O77306

PDB ID(s): None

Isoelectric Point: 5.8

Protein Domain Annotations:

Source Family ID Description
InterPro IPR000719 Protein kinase domain
InterPro IPR008271 Serine/threonine-protein kinase, active site
InterPro IPR011009 Protein kinase-like domain superfamily
InterPro IPR017441 Protein kinase, ATP binding site
PFam PF00069 Protein kinase domain
Superfamily SSF56112 Protein kinase-like domain superfamily

Genetic Variation

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

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 13 61 13 50
disruptive 39 123 74 160
missense 30 111 62 136

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 25 71 27 65
disruptive 76 218 102 226
missense 49 184 93 162

PlasmoDB Total SNPs: 220

Non-coding: 130 | Synonymous: 56 | Nonsynonymous: 34 | Stop Codon: 0

Associated Publications

PMID Title Authors DOI/Link
10448855 The complete nucleotide sequence of chromosome 3 of Plasmodium falciparum. Bowman S, Lawson D, ..., Barrell BG 10.1038/22964
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
20870716 PfSRPK1, a novel splicing-related kinase from Plasmodium falciparum. Dixit A, Singh PK, ..., Sharma P 10.1074/jbc.M110.119255
25188378 Inhibition of the SR protein-phosphorylating CLK kinases of Plasmodium falciparumimpairs blood stage replication and malaria transmission. Kern S, Agarwal S, ..., Pradel G 10.1371/journal.pone.0105732
37204422 Genomic variation during culture adaptation of genetically complex Plasmodiumfalciparum clinical isolates Claessens A, Stewart LB, ..., Conway DJ 10.1099/mgen.0.001009
37535401 Plasmodium microtubule-binding protein EB1 is critical for partitioning of nucleiin male gametogenesis Mauer S, Camargo N, ..., Kumar S 10.1128/mbio.00822-23