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Metazoans, humans

Collagen, the major component of most connective tissues, constimtes approximately 25% of the protein of mammals. It provides an extracellular framework for all metazoan animals and exists in virmally every animal tissue. At least 19 distinct types of collagen made up of 30 distinct polypeptide chains (each encoded by a separate gene) have been identified in human tissues. Although several of these are present only in small proportions, they may play important roles in determining the physical properties of specific tissues. In addition, a number of proteins (eg, the Clq component of the complement system, pulmonary surfactant proteins SP-A and SP-D) that are not classified as collagens have... [Pg.535]

See other pages where Metazoans, humans is mentioned: [Pg.93]    [Pg.93]    [Pg.315]    [Pg.331]    [Pg.132]    [Pg.173]    [Pg.325]    [Pg.340]    [Pg.20]    [Pg.70]    [Pg.156]    [Pg.8]    [Pg.432]    [Pg.1900]    [Pg.543]    [Pg.77]    [Pg.337]    [Pg.207]    [Pg.43]    [Pg.45]    [Pg.15]    [Pg.833]    [Pg.315]    [Pg.37]    [Pg.108]    [Pg.30]    [Pg.1084]    [Pg.188]    [Pg.216]    [Pg.150]    [Pg.316]    [Pg.2078]    [Pg.136]    [Pg.43]    [Pg.92]    [Pg.432]    [Pg.176]    [Pg.27]    [Pg.322]    [Pg.325]    [Pg.324]    [Pg.324]    [Pg.384]    [Pg.109]    [Pg.114]    [Pg.119]    [Pg.131]    [Pg.44]    [Pg.547]   
See also in sourсe #XX -- [ Pg.119 ]



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Metazoan

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