About Gene List

PF3D7_0210700 (SYN17)

Genome location: Pf3D7_02_v3:435,985..437,173(+)

Genome classification: Core

Function and Localization

Product Description: syntaxin, Qa-SNARE family

SignalP Peptide: N/A

# Transmembrane Domains: 1

EC Numbers: None

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0031201 SNARE complex
Component GO:0012505 endomembrane system
Component GO:0016021 integral component of membrane
Component GO:0005886 plasma membrane
Function GO:0005484 SNAP receptor activity
Function GO:0000149 SNARE binding
Process GO:0006887 exocytosis
Process GO:0006886 intracellular protein transport
Process GO:0048278 vesicle docking
Process GO:0006906 vesicle fusion
Process GO:0016192 vesicle-mediated transport

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 not expressed 0.03 0.98
Trophozoite not expressed 0.03 0.98
Schizont not expressed 0.18 0.90
Gametocyte possibly expressed 0.15 0.91

More info:

Resistome Mutations

Old (Pf3D7v3) Gene ID: PF3D7_0210700

Resistome Missense Mutations: K53N

Resistome Compounds with Missense Mutations: BI-2536

Resistome # Samples with Disruptive Mutations: 1 (1 missense, 0 "interesting" missense)

Essentiality (ABS)

Zhang Phenotype: Non - Mutable in CDS

MIS: 0.21 | MFS: -3.264 | #Insertions: 0

PlasmoGEM Phenotype: Essential (Pb ortholog: PBANKA_1012900)

  • Relative Growth Rate: 0.08 ± 0.17
  • Confidence: 4.95

RMgmDB ABS Phenotype: N/A

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: O96189

"Best" AlphaFill ligand hit: VIB (3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-thiazol-3-ium, Local RMSD=0.68) with 4KYS (Global RMSD=17.05)

No associated EC numbers

No evidence of orthology to BindingDB entries

Orthology Information

Ortholog Group (OrthoMCL): OG6_100497

Most Similar Human Ortholog: A0A0C4DFZ1

TM-align score: 0.64 | RMSD: 3.70

Seq Identity: 0.20 | Length: 208 / 314

All Human Orthologs (OrthoMCL):

Gene ID Description
ENSG00000099365 syntaxin 1B
ENSG00000106089 syntaxin 1A
ENSG00000111450 syntaxin 2

Genetic Variation

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

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 3 17 11 14
disruptive 3 14 12 42
missense 3 14 12 32

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 6 27 9 19
disruptive 6 53 34 64
missense 4 39 24 46

PlasmoDB Total SNPs: 72

Non-coding: 52 | Synonymous: 13 | Nonsynonymous: 6 | Stop Codon: 1

Protein Information

Protein Length: 314 | Molecular Weight (kDa): 37.127

UniProt ID(s): O96189, Q0ZAF1

PDB ID(s): None

Isoelectric Point: 7.47

Protein Domain Annotations:

Source Family ID Description
InterPro IPR000727 Target SNARE coiled-coil homology domain
InterPro IPR006011 Syntaxin, N-terminal domain
InterPro IPR010989 SNARE
PFam PF00804 Syntaxin, N-terminal domain
PFam PF05739 Target SNARE coiled-coil homology domain
Superfamily SSF47661 SNARE

Associated Publications

PMID Title Authors DOI/Link
9804551 Chromosome 2 sequence of the human malaria parasite Plasmodium falciparum. Gardner MJ, Tettelin H, ..., Hoffman SL 10.1126/science.282.5391.1126
12368864 Genome sequence of the human malaria parasite Plasmodium falciparum. Gardner MJ, Hall N, ..., Barrell B 10.1038/nature01097
16267556 A protein interaction network of the malaria parasite Plasmodium falciparum. LaCount DJ, Vignali M, ..., Hughes RE 10.1038/nature04104
19103232 Plasmodium falciparum secretory pathway: characterization of PfStx1, a plasmamembrane Qa-SNARE. Parish LA, Rayner JC 10.1016/j.molbiopara.2008.11.011