Resonance Raman spectra of manganese myoglobin and its azide complex. Assignment of a new charge-transfer band to azide (pi) to porphyrin (pi) transition.

Resonance Raman spectra of manganese myoglobin and its azide complex. Assignment of a new charge-transfer band to azide (pi) to porphyrin (pi) transition.
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锰肌红蛋白及其叠氮化物复合物的共振拉曼光谱。

DOI:
10.1021/bi00561a017
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发表时间:
1980
期刊:
影响因子:
2.9
通讯作者:
Tsubaki,M
Tsubaki,M
中科院分区:
生物学3区
文献类型:
--
作者:
Yu,NT;Tsubaki,M

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Nai-Teng Yu* 和Motonari Tsubaki摘要:在~400-460 nm激发时,在650 [去极化(dp),弯曲]和2039 cm™ 1(dp,反对称拉伸)处的结合叠氮化物振动增强表明锰(III)肌红蛋白-叠氮化物复合物中存在新的电荷转移跃迁。这两个振动模式的归属是基于它们的15 N3同位素位移(22和70 cm™ 1)与计算值(22和69 cm™ 1)的一致性、去极化性质以及它们与电离叠氮化物中相应振动的紧密接近。在本研究中尚未观察到Mn-(III)-N3伸缩,尽管报道了Fe(III)-N3在413 cm-1(极化)下的伸缩[Asher,S.一、维克里湖E、Schuster,T. M.,& Sauer,K.(1977)Biochemistry 16,5849],MnmMb-叠氮化物在150和300 cm-1之间的RR光谱与在640-nm处激发的FemMb-叠氮化物的RR光谱显著不同。
Nai-Teng Yu* and Motonari Tsubaki abstract: The enhancement of bound azide vibrations at 650 [depolarized (dp), bending] and 2039 cm™ 1 (dp, antisymmetric stretch) upon excitation at~400-460 nm indicates the ex-istence of a new charge-transfer transition in manganese (III) myoglobin-azide complex. The assignments of these two vibrational modes are based on the agreement of their 15N3 isotope shifts (22 and 70 cm™ 1) with the calculated values (22 and 69 cm™ 1), the depolarized nature, and their close proximity to the correspondingvibrations in ionized azide. The Mn-(III)-N3 stretch has not been observed in the present study although the Fe (III)-N3 stretch at 413 cm™ 1 (polarized) was reported [Asher, S. A., Vickery, L. E., Schuster, T. M., & Sauer, K.(1977) Biochemistry 16, 5849], The RR spectra of MnmMb-azide between 150 and 300 cm™ 1 differ dramat-ically from those of FemMb-azide excited in the 640-nm
用螺旋线虫和等螺旋线虫血红素以及 2,4-二甲酰基原卟啉 IX 铁重建的肌红蛋白的共振拉曼光谱。
DOI: 10.1021/bi00543a020
发表时间: 1980
期刊: Biochemistry
影响因子: 2.9
作者:
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DOI: 10.1063/1.430549
发表时间: 1975
影响因子: 4.4
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异常叠氮化物与高铁锰肌红蛋白结合。
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发表时间: 1976
期刊: Biochemistry
影响因子: 2.9
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DOI: 10.1016/0022-2836(66)90088-x
发表时间: 1966-01-01
影响因子: 5.6
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DOI: 10.1021/ja00985a004
发表时间: 1967-01-01
影响因子: 15
作者:
HOARD, JL;COHEN, GH;GLICK, MD
通讯作者: GLICK, MD