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Assignment of hyperfine shifted haem methyl carbon resonances in paramagnetic low-spin met-cyano complex of sperm whale myoglobin

Abstract

The hyperfine shifted resonances arising from all four individual haem carbons of the paramagnetic low-spin met-cyano complex of sperm whale myoglobin have been clearly identified and assigned for the first time with the aid of /sup 1/H-/sup 13/C heteronuclear chemical shift correlated spectroscopy. Alteration of the in-plane symmetry of the electronic structure of haem induced by the ligation of proximal histidyl imidazole spreads the haem carbon resonances to 32 ppm at 22/sup 0/C, indicating the sensitivity of those resonances to the haem electronic/molecular structure. Those resonances are potentially powerful probes in characterizing the nature of haem electronic structure. 25 refs.; 2 figs.; 1 table.
Publication Date:
Sep 28, 1987
Product Type:
Journal Article
Reference Number:
AIX-19-076595; EDB-88-157131
Resource Relation:
Journal Name: FEBS Lett.; (Netherlands); Journal Volume: 222:1
Subject:
59 BASIC BIOLOGICAL SCIENCES; HEME; NMR SPECTRA; MYOGLOBIN; CARBON 13; CHEMICAL SHIFT; CYANIDES; ELECTRONIC STRUCTURE; MAMMALS; NUCLEAR MAGNETIC RESONANCE; PROTEIN STRUCTURE; SPERMATOZOA; STRUCTURAL CHEMICAL ANALYSIS; ANIMALS; CARBON ISOTOPES; CARBOXYLIC ACIDS; EVEN-ODD NUCLEI; GAMETES; GERM CELLS; GLOBIN; HETEROCYCLIC ACIDS; HETEROCYCLIC COMPOUNDS; ISOTOPES; LIGHT NUCLEI; MAGNETIC RESONANCE; NUCLEI; ORGANIC ACIDS; ORGANIC COMPOUNDS; ORGANIC NITROGEN COMPOUNDS; PIGMENTS; PORPHYRINS; PROTEINS; RESONANCE; SPECTRA; STABLE ISOTOPES; VERTEBRATES; 550200* - Biochemistry
OSTI ID:
7126146
Research Organizations:
Tokyo Inst. of Technology (Japan). Dept. of Polymer Chemistry
Country of Origin:
Netherlands
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: FEBLA
Submitting Site:
INIS
Size:
Pages: 115-119
Announcement Date:
Sep 01, 1988

Citation Formats

Yamamoto, Yasuhiko. Assignment of hyperfine shifted haem methyl carbon resonances in paramagnetic low-spin met-cyano complex of sperm whale myoglobin. Netherlands: N. p., 1987. Web. doi:10.1016/0014-5793(87)80202-8.
Yamamoto, Yasuhiko. Assignment of hyperfine shifted haem methyl carbon resonances in paramagnetic low-spin met-cyano complex of sperm whale myoglobin. Netherlands. https://doi.org/10.1016/0014-5793(87)80202-8
Yamamoto, Yasuhiko. 1987. "Assignment of hyperfine shifted haem methyl carbon resonances in paramagnetic low-spin met-cyano complex of sperm whale myoglobin." Netherlands. https://doi.org/10.1016/0014-5793(87)80202-8.
@misc{etde_7126146,
title = {Assignment of hyperfine shifted haem methyl carbon resonances in paramagnetic low-spin met-cyano complex of sperm whale myoglobin}
author = {Yamamoto, Yasuhiko}
abstractNote = {The hyperfine shifted resonances arising from all four individual haem carbons of the paramagnetic low-spin met-cyano complex of sperm whale myoglobin have been clearly identified and assigned for the first time with the aid of /sup 1/H-/sup 13/C heteronuclear chemical shift correlated spectroscopy. Alteration of the in-plane symmetry of the electronic structure of haem induced by the ligation of proximal histidyl imidazole spreads the haem carbon resonances to 32 ppm at 22/sup 0/C, indicating the sensitivity of those resonances to the haem electronic/molecular structure. Those resonances are potentially powerful probes in characterizing the nature of haem electronic structure. 25 refs.; 2 figs.; 1 table.}
doi = {10.1016/0014-5793(87)80202-8}
journal = []
volume = {222:1}
journal type = {AC}
place = {Netherlands}
year = {1987}
month = {Sep}
}