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Amino group transport

In addition, some COg is directly transported by hemoglobin in the form of carbamate (—NHCOO ). Free a-amino groups of Hb react with COg reversibly ... [Pg.489]

Increased permeability is just one prerequisite in the development of useful peptide prodrugs. Another condition is that efficient bioactivation must follow absorption. Mucosal cell enzymes able to hydrolyze peptides include exopeptidases such as aminopeptidases and carboxypeptidases, endopepti-dases, and dipeptidases such as cytosolic nonspecific dipeptidase (EC 3.4.13.18), Pro-X dipeptidase (prolinase, EC 3.4.13.4), and X-Pro dipeptidase (prolidase, EC 3.4.13.9). For example, L-a-methyldopa-Pro was shown to be a good substrate for both the peptide transporter and prolidase. This dual affinity is not shared by all dipeptide derivatives, and, indeed, dipeptides that lack an N-terminal a-amino group are substrates for the peptide transporter but not for prolidase [29] [33] [34],... [Pg.267]


See other pages where Amino group transport is mentioned: [Pg.29]    [Pg.562]    [Pg.292]    [Pg.49]    [Pg.50]    [Pg.260]    [Pg.840]    [Pg.167]    [Pg.427]    [Pg.233]    [Pg.190]    [Pg.193]    [Pg.242]    [Pg.250]    [Pg.251]    [Pg.254]    [Pg.257]    [Pg.132]    [Pg.192]    [Pg.246]    [Pg.257]    [Pg.557]    [Pg.46]    [Pg.49]    [Pg.268]    [Pg.920]    [Pg.69]    [Pg.225]    [Pg.548]    [Pg.81]    [Pg.58]    [Pg.338]    [Pg.14]    [Pg.157]    [Pg.108]    [Pg.123]    [Pg.112]    [Pg.268]    [Pg.244]    [Pg.234]    [Pg.278]    [Pg.178]    [Pg.272]    [Pg.322]    [Pg.54]    [Pg.97]    [Pg.112]    [Pg.226]   
See also in sourсe #XX -- [ Pg.331 ]




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Amino transporter

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