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
中科院分区:
文献类型:
--
作者:
Yu,NT;Tsubaki,M
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
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影响因子:
2.9
作者:
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通讯作者:
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影响因子:
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作者:
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2.9
作者:
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PERUTZ, MF;MATHEWS, FS
通讯作者:
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影响因子:
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作者:
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通讯作者:
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