某些抹香鲸高铁肌红蛋白衍生物的可见光谱分析。
Analysis of the visible spectra of some sperm-whale ferrimyoglobin derivatives.
作者信息
Smith D W, Williams R J
出版信息
Biochem J. 1968 Nov;110(2):297-301. doi: 10.1042/bj1100297.
The visible spectra of sperm-whale metmyoglobin and its fluoride, hydroxide, cyanide, azide, cyanate, formate, acetate, thiocyanate and nitrite derivatives were measured and resolved into Gaussian components. A linear correlation between the intensity of the band at 18500cm.(-1) and the magnetic susceptibility is found, suggesting that the band is the beta-band of the low-spin form. The analysed intensity of this band can be used to determine the relative proportions of the two spin states present. The spectra of the pure high-spin and low-spin components of each derivative can be reconstructed. Correlations between the energy of the near-infrared band and the visible bands of the high-spin form, and between the position and intensity of the 16000cm.(-1) band, are demonstrated. The relationship between the position of the Soret band and the magnetic susceptibility can be explained in terms of the equilibrium between spin states.
测量了抹香鲸高铁肌红蛋白及其氟化物、氢氧化物、氰化物、叠氮化物、氰酸盐、甲酸盐、乙酸盐、硫氰酸盐和亚硝酸盐衍生物的可见光谱，并将其分解为高斯分量。发现18500cm⁻¹处谱带强度与磁化率之间存在线性相关性，表明该谱带是低自旋形式的β谱带。该谱带的分析强度可用于确定存在的两种自旋态的相对比例。可以重建每种衍生物的纯高自旋和低自旋成分的光谱。证明了近红外谱带能量与高自旋形式的可见谱带之间以及16000cm⁻¹谱带的位置和强度之间的相关性。Soret谱带的位置与磁化率之间的关系可以用自旋态之间的平衡来解释。
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