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Literature summary for 2.4.1.109 extracted from

  • Lussier, M.; Gentzsch, M.; Sdicu, A.M.; Bussey, H.; Tanner, W.
    Protein O-glycosylation in yeast. The PMT2 gene specifies a second protein O-mannosyltransferase that functions in addition to the PMT-1 encoded activity (1995), J. Biol. Chem., 270, 2770-2775.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
chromosome mapping of PMT1 Saccharomyces cerevisiae
DNA sequence determination, chromosome mapping Saccharomyces cerevisiae

Protein Variants

Protein Variants Comment Organism
additional information PMT2 disruption mutant shows reduced in vitro and in vivo activity Saccharomyces cerevisiae
additional information PMT1 and PMT2 double disruption mutant shows severe growth defect but retain residual activity due to an additional enzyme Saccharomyces cerevisiae
additional information PMT2 haploid mutants grow slightly slower than the wild-type, the enzyme is required but not essential for normal vegetative growth of the cells Saccharomyces cerevisiae

Localization

Localization Comment Organism GeneOntology No. Textmining
membrane integral, multiple transmembranal domains Saccharomyces cerevisiae 16020
-

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+
-
Saccharomyces cerevisiae

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
dolichyl phosphate D-mannose + protein Saccharomyces cerevisiae
-
dolichyl phosphate + O-D-mannosylprotein
-
?

Organism

Organism UniProt Comment Textmining
Saccharomyces cerevisiae
-
gene PMT1
-
Saccharomyces cerevisiae
-
enzyme form other than PMT2
-
Saccharomyces cerevisiae P31382 PMT2
-

Posttranslational Modification

Posttranslational Modification Comment Organism
glycoprotein PMT1 and PMT2 contain both 3 putative N-glycosylation sites Saccharomyces cerevisiae

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Saccharomyces cerevisiae

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
dolichyl phosphate D-mannose + Ac-Tyr-Asn-Pro-Thr-Ser-Val-NH2
-
Saccharomyces cerevisiae dolichyl phosphate + O-D-mannosyl-Ac-Tyr-Asn-Pro-Thr-Ser-Val-NH2
-
?
dolichyl phosphate D-mannose + protein
-
Saccharomyces cerevisiae dolichyl phosphate + O-D-mannosylprotein
-
?
dolichyl phosphate D-mannose + protein the enzyme transfers mannosyl residues to the hydroxyl of serine or threonine residues Saccharomyces cerevisiae dolichyl phosphate + O-D-mannosylprotein
-
?

Synonyms

Synonyms Comment Organism
PMT
-
Saccharomyces cerevisiae