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脱辅基血红蛋白中二价铁的自旋态

Spin States of divalent iron in anhydrohemoglobin.

作者信息

Grant R W, Cape J A, Gonser U, Topol L E, Saltman P

机构信息

The North American Aviation Science Center, Thousand Oaks, California 91360; and the Department of Biological Sciences and the Graduate Program in Biochemistry, University of Southern California, Los Angeles, California, 92007, USA.

出版信息

Biophys J. 1967 Nov;7(6):651-8. doi: 10.1016/S0006-3495(67)86614-1. Epub 2008 Dec 31.

DOI:10.1016/S0006-3495(67)86614-1
PMID:19210990
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC1368184/
Abstract

Mössbauer spectra of anhydrohemoglobin establish the existence of two ferrous iron spin states in anhydrohemoglobin. Magnetic susceptibility measurements show that anhydrohemoglobin is paramagnetic and has an effective magnetic moment per iron atom of 3.5+/-0.1mu(B) at low temperatures. In conjunction with the susceptibility results, the Mössbauer spectra indicate that the iron in anhydrohemoglobin is distributed between high and low spin states in roughly equal amounts.

摘要

脱水血红蛋白的穆斯堡尔谱证实了脱水血红蛋白中存在两种亚铁离子自旋态。磁化率测量结果表明，脱水血红蛋白具有顺磁性，在低温下每个铁原子的有效磁矩为3.5±0.1玻尔磁子。结合磁化率结果，穆斯堡尔谱表明脱水血红蛋白中的铁大致等量分布于高自旋态和低自旋态之间。

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引用本文的文献

1
A comparison of the iron bonding in anhydrohemoglobin and anhydromyoglobin.脱水血红蛋白与脱水肌红蛋白中铁键的比较。
Biophys J. 1969 Dec;9(12):1446-50. doi: 10.1016/S0006-3495(69)86464-7.

本文引用的文献

1
The Magnetic Properties and Structure of the Hemochromogens and Related Substances.血色原及相关物质的磁性与结构
Proc Natl Acad Sci U S A. 1936 Mar;22(3):159-63. doi: 10.1073/pnas.22.3.159.
2
The Magnetic Properties and Structure of Hemoglobin, Oxyhemoglobin and Carbonmonoxyhemoglobin.血红蛋白、氧合血红蛋白和碳氧血红蛋白的磁性与结构
Proc Natl Acad Sci U S A. 1936 Apr;22(4):210-6. doi: 10.1073/pnas.22.4.210.
3
Hemoglobin, anhydro-hemoglobin, and oxyhemoglobin.血红蛋白、脱水电血红蛋白和氧合血红蛋白。
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Biochim Biophys Acta. 1963 Feb 5;69:313-21. doi: 10.1016/0006-3002(63)91264-2.
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Structure of deoxymyoglobin: a crystallographic study.脱氧肌红蛋白的结构：一项晶体学研究。
Nature. 1966 Jan 22;209(5021):339-41. doi: 10.1038/209339a0.
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Mössbauer effect in hemoglobin and some iron-containing biological compounds.血红蛋白及一些含铁生物化合物中的穆斯堡尔效应。
Biophys J. 1965 Nov;5(6):823-44. doi: 10.1016/S0006-3495(65)86754-6.
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Mossbauer spectroscopic evidence for low-spin iron in dehydrated metmyoglobin.脱水高铁肌红蛋白中低自旋铁的穆斯堡尔光谱证据。
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