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Literature summary extracted from

  • Russell, R.R.B.; Aduse-Opoku, J.; Sutcliffe, I.C.; Tao, L.; Ferretti, J.J.
    A binding protein-dependent transport system in Streptococcus mutans responsible for multiple sugar metabolism (1992), J. Biol. Chem., 267, 4631-4637.
    View publication on PubMed

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
7.5.2.2 periplasm
-
Streptococcus mutans
-
-

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
7.5.2.2 ATP + H2O + isomaltotriose/out Streptococcus mutans the enzyme system is responsible for the uptake of melibiose, raffinose and isomaltotriose ADP + phosphate + isomaltotriose/in
-
?
7.5.2.2 ATP + H2O + melibiose/out Streptococcus mutans the enzyme system is responsible for the uptake of melibiose, raffinose and isomaltotriose ADP + phosphate + melibiose/in
-
?
7.5.2.2 ATP + H2O + raffinose/out Streptococcus mutans the enzyme system is responsible for the uptake of melibiose, raffinose and isomaltotriose ADP + phosphate + raffinose/in
-
?

Organism

EC Number Organism UniProt Comment Textmining
7.5.2.2 Streptococcus mutans
-
-
-

Posttranslational Modification

EC Number Posttranslational Modification Comment Organism
7.5.2.2 proteolytic modification the msmE gene encodes a proteins of 420 amino acids, the first 22 specifying a signal peptide Streptococcus mutans

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
7.5.2.2 ATP + H2O + isomaltotriose/out
-
Streptococcus mutans ADP + phosphate + isomaltotriose/in
-
?
7.5.2.2 ATP + H2O + isomaltotriose/out the enzyme system is responsible for the uptake of melibiose, raffinose and isomaltotriose Streptococcus mutans ADP + phosphate + isomaltotriose/in
-
?
7.5.2.2 ATP + H2O + melibiose/out
-
Streptococcus mutans ADP + phosphate + melibiose/in
-
?
7.5.2.2 ATP + H2O + melibiose/out the enzyme system is responsible for the uptake of melibiose, raffinose and isomaltotriose Streptococcus mutans ADP + phosphate + melibiose/in
-
?
7.5.2.2 ATP + H2O + raffinose/out
-
Streptococcus mutans ADP + phosphate + raffinose/in
-
?
7.5.2.2 ATP + H2O + raffinose/out the enzyme system is responsible for the uptake of melibiose, raffinose and isomaltotriose Streptococcus mutans ADP + phosphate + raffinose/in
-
?

Subunits

EC Number Subunits Comment Organism
7.5.2.2 More the proteins specified by the msm operon includes: 1. alpha-galactosidase, aga, MW 32050 Da determined by calculation from nucleotide sequence, 2. a periplasmic-like sugar-binding protein, msmE, MW 31900 Da determined by calculation from nucleotide sequence, 3.+ 4. two membrane proteins, msmF and msmG, MW for both is 28500 DA as determined by SDS-PAGE, MW 31615 Da for msmG determined by calculation from nucleotide sequence, 5. sucrose phosphorylase, gtfA, 6. an ATP-binding protein, msmK, MW 41960 Da determined by calculation from nucleotide sequence, MW 35000 Da determined by SDS-PAGE and 7. a dextran glucosidase, dexB, MW 48000 Da determined by SDS-PAGE. The operon is controlled by the regulatory gene msmR, MW 26000 Da, determined by SDS-PAGE Streptococcus mutans