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Molecular Graphics Resource
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Eric C. Niederhoffer, Ph.D.
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- Copyright 2000-
, E.C. Niederhoffer.
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Cytochrome c oxidase
in the oxidized (2occ) and reduced state (1ocr) from Bos taurus
(bovine) with particular emphasis on possible H+ and
water channels
- What structural elements
are present in the protein?
- Which functional groups on
the indicated residues are most likely to participate in H+
pumping?
- Is there sufficient room
for water to exit through the suggested channel?
- What changes have occurred
upon oxidation-reduction?
Yoshikawa, S., K. Shinzawa-Itoh, R.
Nakashima, R. Yaono, E. Yamashita, N. Inoue, M. Yao, M. J. Fei,
C. P. Libeu, T. Mizushima, H. Yamaguchi, T. Tomizaki, and T. Tsukihara. 1998. Redox-coupled crystal structural changes
in bovine heart cytochrome c oxidase. Science 280:1723-1729.
Cytochrome c oxidase (2occ)
oxidized
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Cytochrome c oxidase (1ocr)
reduced
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