ERYTHROCRUORIN OF GLOSSOSCOLEX-PAULISTUS (OLIGOCHAETA, GLOSSOSCOLECIDAE) - DISSOCIATION AT ALKALINE PH AND ITS LIGAND PROPERTIES AS REVEALED BY CHEMICAL, IMMUNOCHEMICAL AND ELECTRON-MICROSCOPY STUDIES

被引:17
作者
MEIRELLES, NC
OLIVEIRA, B
OLIVEIRA, AR
DEPAULA, E
MARANGONI, S
RENNEBECK, GM
机构
来源
COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY A-MOLECULAR & INTEGRATIVE PHYSIOLOGY | 1987年 / 88卷 / 02期
关键词
D O I
10.1016/0300-9629(87)90501-9
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
1. The oxygen affinity of Glossoscolex paulistus erythrocruorin is affected by alkaline pH. 2. Electron microscope studies of this erythrocruorin at pH 7.0 show 12 subunits with a central element in a typical arrangement of general validity for annelid extracellular hemoglobins. At pH 8.6 no images or organized structures can be seen. 3. Immunochemical analyses suggest the presence of "neo antigens" in the dissociated molecule as revealed by polyclonal antisera.
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页码:377 / 379
页数:3
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