Photodissociation Spectroscopy of Hydrated Myoglobin Ions Isolated by IR-laser Ablation of a Droplet Beam: Recovery from pH-denatured Structure by Gas-phase Isolation

被引：12
作者：
Asami, Hiroya [1 ]
Kawabata, Rina [1 ]
Kawauchi, Norishi [1 ]
Kohno, Jun-ya [1 ]
机构：
[1] Gakushuin Univ, Dept Chem, Fac Sci, Toshima Ku, 1-5-1 Mejiro, Tokyo 1718588, Japan
来源：
CHEMISTRY LETTERS | 2019年 / 48卷 / 02期
关键词：
Droplet beam; Photodissociation spectroscopy; Myoglobin; SPERM-WHALE MYOGLOBIN; CONFORMATIONAL-CHANGES; MASS-SPECTROMETRY; LIGAND COMPLEXES; PROTEIN MOLECULE; CYTOCHROME-C; CHARGE-STATE; UV; ULTRAVIOLET; ACID;
D O I：
10.1246/cl.180884
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Photodissociation spectra near the Soret region were acquired for hydrated myoglobin (Mb) ions isolated in the gas phase. The spectra had a large red shift relative to that from an acidic aqueous solution, which indicated a significant structural change from a pH-denatured state to the isolated native structure. The pH denaturation of Mb was therefore strongly affected by surrounding water molecules.
引用
收藏
页码：140 / 143
页数：4
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