About Gene List

PF3D7_1233050 (OST4)

Genome location: Pf3D7_12_v3:1,358,501..1,358,732(+)

Genome classification: Core

Function and Localization

Product Description: dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit OST4, putative

SignalP Peptide: N/A

# Transmembrane Domains: 1

EC Numbers: None

Curated GO (PlasmoDB):

Type GO Term Name
Component GO:0008250 oligosaccharyltransferase complex
Function GO:0004579 dolichyl-diphosphooligosaccharide-protein glycotransferase activity
Process GO:0006487 protein N-linked glycosylation

Expression by stage (LR - Le Roch et al., and MCA - Malaria Cell Atlas):

Stage LR class MCA mean MCA prop. zeros
Sporozoite no data N/A N/A
Ring no data nd nd
Trophozoite no data nd nd
Schizont no data nd nd
Gametocyte no data nd nd

More info:

Resistome Mutations

No corresponding Pf3D7v3 gene ID in resistome database

Essentiality (ABS)

Zhang Phenotype: N/A

PlasmoGEM Phenotype: N/A

RMgmDB ABS Phenotype: N/A

More info: PhenoPlasm Link

Binding Evidence

AlphaFill Uniprot ID: A0A5K1K906

"Best" AlphaFill ligand hit: No AlphaFill hits

No associated EC numbers

No evidence of orthology to BindingDB entries

Orthology Information

Ortholog Group (OrthoMCL): OG6r19_117015

No human ortholog(s)

Genetic Variation

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

Homozygous genotype calls only

variant type common rare doubleton singleton
synonymous 0 2 1 2
disruptive 1 2 1 4
missense 1 2 1 4

Any inclusion in genotype call

variant type common rare doubleton singleton
synonymous 0 2 2 1
disruptive 1 6 3 2
missense 1 4 2 2

PlasmoDB Total SNPs: 16

Non-coding: 15 | Synonymous: 1 | Nonsynonymous: 0 | Stop Codon: 0

Protein Information

Protein Length: 32 | Molecular Weight (kDa): 3.89

UniProt ID(s): A0A5K1K906

PDB ID(s): None

Isoelectric Point: 3.57

Protein Domain Annotations:

Source Family ID Description
InterPro IPR018943 Oligosaccaryltransferase
InterPro IPR036330 Oligosaccharyltransferase subunit ost4p superfamily
PFam PF10215 Oligosaccaryltransferase
Superfamily SSF103464 Oligosaccharyltransferase subunit ost4p 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
16096346 The 3.4-kDa Ost4 protein is required for the assembly of two distinctoligosaccharyltransferase complexes in yeast Spirig U, Bodmer D, ..., Aebi M 10.1093/glycob/cwj025
23606741 OST4 is a subunit of the mammalian oligosaccharyltransferase required forefficient N-glycosylation Dumax-Vorzet A, Roboti P, High S 10.1242/jcs.115410
21609714 Solution structure of a human minimembrane protein Ost4, a subunit of theoligosaccharyltransferase complex Gayen S, Kang C 10.1016/j.bbrc.2011.05.050
16317064 An evolving view of the eukaryotic oligosaccharyltransferase Kelleher DJ, Gilmore R 10.1093/glycob/cwj066
18955371 The yeast oligosaccharyltransferase complex can be replaced by STT3 fromLeishmania major Hese K, Otto C, Routier FH, Lehle L 10.1093/glycob/cwn118
11870858 Mutants defective in secretory/vacuolar pathways in the EUROFAN collection ofyeast disruptants Avaro S, Belgareh-Touze N, ..., Haguenauer-Tsapis R 10.1002/yea.838
33442744 NMR and MD simulations reveal the impact of the V23D mutation on the function ofyeast oligosaccharyltransferase subunit Ost4 Chaudhary BP, Zoetewey DL, McCullagh MJ, Mohanty S 10.1093/glycob/cwab002
30835280 An updated view of the oligosaccharyltransferase complex in Plasmodium Tamana S, Promponas VJ 10.1093/glycob/cwz011
12810948 Determination of the membrane topology of Ost4p and its subunit interactions inthe oligosaccharyltransferase complex in Saccharomyces cerevisiae Kim H, Yan Q, ..., Lennarz WJ 10.1073/pnas.1332735100
38421550 Reconstitution and resonance assignments of yeast OST subunit Ost4 and itscritical mutant Ost4V23D in liposomes by solid-state NMR Chaudhary BP, Struppe J, ..., Mohanty S 10.1007/s10858-024-00437-8
32328881 (1)H, (13)C, (15)N resonance assignments and secondary structure of yeastoligosaccharyltransferase subunit Ost4 and its functionally important mutantOst4V23D Chaudhary BP, Zoetewey D, Mohanty S 10.1007/s12104-020-09946-7
14530272 Insight into functional aspects of Stt3p, a subunit of the oligosaccharyltransferase. Evidence for interaction of the N-terminal domain of Stt3p with theprotein kinase C cascade Chavan M, Rekowicz M, Lennarz W 10.1074/jbc.M310456200
22116385 A synthetic heparan sulfate oligosaccharide library reveals the novel enzymaticaction of D-glucosaminyl 3-O-sulfotransferase-3a Nguyen TK, Arungundram S, ..., Kuberan B 10.1039/c1mb05221g