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Literature summary for 3.2.1.113 extracted from

  • Jin, Z.C.; Kitajima, T.; Dong, W.; Huang, Y.F.; Ren, W.W.; Guan, F.; Chiba, Y.; Gao, X.D.; Fujita, M.
    Genetic disruption of multiple alpha1,2-mannosidases generates mammalian cells producing recombinant proteins with high-mannose-type N-glycans (2018), J. Biol. Chem., 293, 5572-5584 .
    View publication on PubMedView publication on EuropePMC

Application

Application Comment Organism
pharmacology in triple KO (MAN1A1, MAN1A2, and MAN1B1) cells, Man9GlcNAc2 and Man8GlcNAc2 are the major N-glycan structures. The N-glycan structures on recombinant proteins expressed in triple KO cells are simplified and changed from complex types to high-mannose types at the protein level. The triple KO HEK293 cells are suitable for producing recombinant proteins, including lysosomal enzymes with high-mannose-type N-glycans. This approach should accelerate the production of biopharmaceutical proteins with homogenous glycans Homo sapiens

Localization

Localization Comment Organism GeneOntology No. Textmining
endoplasmic reticulum
-
Homo sapiens 5783
-
Golgi apparatus
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Homo sapiens 5794
-

Organism

Organism UniProt Comment Textmining
Homo sapiens O60476
-
-
Homo sapiens P33908
-
-
Homo sapiens Q9UKM7
-
-

Source Tissue

Source Tissue Comment Organism Textmining
HEK-293 cell
-
Homo sapiens
-

Synonyms

Synonyms Comment Organism
endoplasmic reticulum mannosidase I
-
Homo sapiens
MAN1A1
-
Homo sapiens
MAN1A2
-
Homo sapiens
MAN1B1
-
Homo sapiens

General Information

General Information Comment Organism
malfunction in triple KO (MAN1A1, MAN1A2, and MAN1B1) cells, Man9GlcNAc2 and Man8GlcNAc2 are the major N-glycan structures. Knockout of the MAN1A1 or MAN1A2 gene does not change the glycan profiles. Double KO cells (MAN1A1, MAN1A2) displayed increased high-mannose-type and decreased complex-type glycans. The N-glycan structures on recombinant proteins expressed in triple KO cells are simplified and changed from complex types to high-mannose types at the protein level Homo sapiens