The chemical mechanism of beta-haematin formation studied by Mossbauer spectroscopy

被引:45
作者
Adams, PA
Egan, TJ
Ross, DC
Silver, J
Marsh, PJ
机构
[1] UNIV CAPE TOWN,DEPT CHEM PATHOL,MRC,BIOMEMBRANE RES UNIT,ZA-7925 RONDEBOSCH,SOUTH AFRICA
[2] UNIV ESSEX,DEPT BIOL & CHEM SCI,COLCHESTER CO4 3SQ,ESSEX,ENGLAND
[3] RED CROSS WAR MEM CHILDRENS HOSP,DEPT CHEM PATHOL,INST CHILD HLTH,ZA-7700 RONDEBOSCH,SOUTH AFRICA
关键词
D O I
10.1042/bj3180025
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
Spontaneous formation of beta-haematin (malaria pigment) from haematin in acetate solution follows pseudo-zero-order and not autocatalytic kinetics. Acetate appears to facilitate the reaction by solubilizing the haematin and acting as a phase-transfer catalyst, a role which, in vivo, could be fulfilled by carboxylic acids or amino acids.
引用
收藏
页码:25 / 27
页数:3
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