Document Detail


Iron-binding properties and amino acid composition of marsupial transferrins: comparison with eutherian mammals and other vertebrates.
MedLine Citation:
PMID:  2899476     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
1. Some physicochemical properties of transferrin from three marsupials, viz a possum (Trachosurus vulpecula), a kangaroo (Macropus fuliginosus) and the quokka (Setonix brachyurus) were studied and compared with those of transferrins from mammalian and non-mammalian vertebrate species. 2. The molecular weight of the marsupial transferrins fell within the range of 76,000-79,000 daltons. 3. The marsupial transferrins were similar to the transferrins of eutherian mammals with respect to optical spectral properties, iron binding capacity and the pH-dependence of iron binding, and iron release mediated by 2,3-DPG. 4. The amino acid compositions of the marsupial transferrins were compared with each other and with the transferrins from the other vertebrate species. The compositions of the marsupial transferrin were closely related to each other, and also showed similarities with transferrins from eutherian mammals and chicken ovotransferrin.
Authors:
B C Lim; T Peters; E H Morgan
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Comparative biochemistry and physiology. A, Comparative physiology     Volume:  89     ISSN:  0300-9629     ISO Abbreviation:  Comp Biochem Physiol A Comp Physiol     Publication Date:  1988  
Date Detail:
Created Date:  1988-08-26     Completed Date:  1988-08-26     Revised Date:  2008-10-30    
Medline Journal Info:
Nlm Unique ID:  1276312     Medline TA:  Comp Biochem Physiol A Comp Physiol     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  559-65     Citation Subset:  IM    
Affiliation:
Department of Physiology, University of Western Australia, Nedlands.
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MeSH Terms
Descriptor/Qualifier:
Amino Acids / analysis
Animals
Macropodidae / blood
Mammals / blood*
Marsupialia / blood*
Opossums / blood
Species Specificity
Transferrin / metabolism*
Vertebrates / blood*
Chemical
Reg. No./Substance:
0/Amino Acids; 11096-37-0/Transferrin

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