About Gene List

PF3D7_1415700 (SPT)

Genome location: Pf3D7_14_v3:634,236..637,046(-)

Genome classification: Core

Function and Localization

Product Description: serine palmitoyltransferase, putative

SignalP Peptide: N/A

# Transmembrane Domains: 2

EC Numbers: 2.3.1.50 (Serine C-palmitoyltransferase)

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0020011 apicoplast
Component GO:0005737 cytoplasm
Component GO:0005783 endoplasmic reticulum
Component GO:0002179 homodimeric serine palmitoyltransferase complex
Component GO:0016020 membrane
Component GO:0017059 serine C-palmitoyltransferase complex
Function GO:0004758 serine C-palmitoyltransferase activity
Process GO:0046513 ceramide biosynthetic process
Process GO:0030148 sphingolipid biosynthetic process
Process GO:0046512 sphingosine biosynthetic process

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 0.01 0.99
Trophozoite possibly expressed 0.02 0.99
Schizont expressed 0.07 0.95
Gametocyte expressed 0.26 0.84

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_1415700

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: 0.129 | MFS: -2.976 | #Insertions: 0

PlasmoGEM Phenotype: N/A

RMgmDB ABS Phenotype: N/A

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: Q8ILT9

"Best" AlphaFill ligand hit: PLP (pyridoxal-5'-phosphate, Local RMSD=0.24) with 3TQX (Global RMSD=1.87)

BRENDA EC Inhibitors:

EC # Name EC Inhibitors
2.3.1.50 serine C-palmitoyltransferase myrocincysteinemyriocinL-alaninethreoninelipoxamycinpalmitoyl-CoAL-Cycloserinesulfamisterinpalmitoyl CoAO-phosphoserinethermozymocidin...

Orthology to BindingDB Entries:

UniProt Protein Name Species Homology Source BindingDB Ligands
O15270 Serine palmitoyltransferase 2 Homo sapiens OrthoDB CHEMBL1241090CHEMBL4226297CHEMBL4229253CHEMBL4226045...
O15269 Serine palmitoyltransferase 1 Homo sapiens OrthoDB CHEMBL1241090CHEMBL4541898CHEMBL4584997CHEMBL4541898...
P22557 5-aminolevulinate synthase, erythroid-specific, mitochondrial OrthoDB US11479532, Compound SZ10TA40US11479532, Compound SZ12TA42

Orthology Information

Ortholog Group (OrthoMCL): OG6_100700

Most Similar Human Ortholog: O15270

TM-align score: 0.70 | RMSD: 3.17

Seq Identity: 0.27 | Length: 429 / 572

All Human Orthologs (OrthoMCL):

Gene ID Description
ENSG00000100596 serine palmitoyltransferase long chain base subunit 2
ENSG00000172296 serine palmitoyltransferase long chain base subunit 3

Protein Information

Protein Length: 572 | Molecular Weight (kDa): 65.533

UniProt ID(s): Q8ILT9

PDB ID(s): None

Isoelectric Point: 9.26

Protein Domain Annotations:

Source Family ID Description
InterPro IPR001917 Aminotransferase, class-II, pyridoxal-phosphate binding site
InterPro IPR004839 Aminotransferase, class I/classII
InterPro IPR015424 Pyridoxal phosphate-dependent transferase
PFam PF00155 Aminotransferase, class I/classII
Superfamily SSF53383 Pyridoxal phosphate-dependent transferase

Genetic Variation

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

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 5 33 13 39
disruptive 1 12 9 47
missense 1 12 9 39

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 11 60 31 37
disruptive 2 56 35 108
missense 1 38 29 69

PlasmoDB Total SNPs: 123

Non-coding: 101 | Synonymous: 20 | Nonsynonymous: 2 | Stop Codon: 0

Associated Publications

PMID Title Authors DOI/Link
11152613 Predicting transmembrane protein topology with a hidden Markov model: applicationto complete genomes. Krogh A, Larsson B, von Heijne G, Sonnhammer EL 10.1006/jmbi.2000.4315
12368864 Genome sequence of the human malaria parasite Plasmodium falciparum. Gardner MJ, Hall N, ..., Barrell B 10.1038/nature01097
28578314 Functional and phylogenetic evidence of a bacterial origin for the first enzymein sphingolipid biosynthesis in a phylum of eukaryotic protozoan parasites. Mina JG, Thye JK, ..., Denny PW 10.1074/jbc.M117.792374