Revista: | Quimica nova |
Base de datos: | PERIÓDICA |
Número de sistema: | 000313349 |
ISSN: | 0100-4042 |
Autors: | Ribelatto, Julio C1 Poli, Alessandra L Moreira, Leonardo M Imasato, Hidetake |
Institucions: | 1Universidade de Sao Paulo, Instituto de Quimica de Sao Carlos, Sao Carlos, Sao Paulo. Brasil |
Any: | 2006 |
Període: | Jul |
Volum: | 29 |
Número: | 4 |
Paginació: | 666-673 |
País: | Brasil |
Idioma: | Portugués |
Tipo de documento: | Artículo |
Enfoque: | Experimental |
Resumen en inglés | UV-Vis and fluorescence spectroscopic studies of native and reconstituted d monomers from Glossoscolex paulistus were performed in alkaline pH. In addition to the presence of aquomet and hemichrome hexacoordinated species, a pentacoordinated species occurs. This latter species, which presents an imidazolate group of axial histidine as fifth ligand, is identified by the blue-shifted low-intensity Soret band and LMCT band. The pentacoordinated species must occur due to partial polypeptide unfolding |
Disciplines | Química |
Paraules clau: | Bioquímica, Invertebrados, Hemoglobina extracelular, Monómeros, Espectroscopía de fluorescencia, Glossoscolex paulistus |
Keyword: | Chemistry, Biochemistry, Invertebrates, Extracellular hemoglobin, Monomers, Fluorescence spectroscopy, Glossoscolex paulistus |
Text complet: | Texto completo (Ver HTML) |