Structural studies of Rubisco from tobacco.

Michael Chapman, W. W. Smith, S. W. Suh, D. Cascio, A. Howard, R. Hamlin, N. H. Xuong, D. Eisenberg

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

An electron density map of ribulose 1,5-bisphosphate carboxylase-oxygenase (Rubisco) from tobacco (Nicotiana tabacum) has been obtained by X-ray crystallography at a nominal resolution of 0.34 nm. Phases were determined by multiple isomorphous replacement with three heavy atom derivatives and then refined by solvent flattening. Rubisco is barrel-shaped, and has (422) symmetry. The fourfold axis runs down an open central channel, concentric with the barrel. The molecule measures 10.5 nm along the fourfold axis, and has a diameter of 13 nm perpendicular to the fourfold axis at the widest point. The diameter of the central channel is 2.8 nm at the centre of the molecule, and 0.6 nm at its narrowest constriction. Portions of the polypeptide backbone of the promoter have been traced and some 127 residues have been assigned to 14 alpha-helices. The amino acid sequences of Rubisco from Rhodospirillum rubrum and from the large subunit of tobacco are sufficiently similar to suggest that the two chains are folded in the same general way.

Original languageEnglish (US)
Pages (from-to)367-378
Number of pages12
JournalPhilosophical transactions of the Royal Society of London. Series B: Biological sciences
Volume313
Issue number1162
StatePublished - Oct 14 1986
Externally publishedYes

Fingerprint

Oxygenases
Tobacco
ribulose 1,5-diphosphate
oxygenases
tobacco
crystallography
Rhodospirillum rubrum
electron density
symmetry
Molecules
amino acid
replacement
X ray crystallography
X Ray Crystallography
Constriction
X-ray diffraction
Nicotiana tabacum
Carrier concentration
Amino Acid Sequence
polypeptides

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Agricultural and Biological Sciences (miscellaneous)

Cite this

Chapman, M., Smith, W. W., Suh, S. W., Cascio, D., Howard, A., Hamlin, R., ... Eisenberg, D. (1986). Structural studies of Rubisco from tobacco. Philosophical transactions of the Royal Society of London. Series B: Biological sciences, 313(1162), 367-378.

Structural studies of Rubisco from tobacco. / Chapman, Michael; Smith, W. W.; Suh, S. W.; Cascio, D.; Howard, A.; Hamlin, R.; Xuong, N. H.; Eisenberg, D.

In: Philosophical transactions of the Royal Society of London. Series B: Biological sciences, Vol. 313, No. 1162, 14.10.1986, p. 367-378.

Research output: Contribution to journalArticle

Chapman, M, Smith, WW, Suh, SW, Cascio, D, Howard, A, Hamlin, R, Xuong, NH & Eisenberg, D 1986, 'Structural studies of Rubisco from tobacco.', Philosophical transactions of the Royal Society of London. Series B: Biological sciences, vol. 313, no. 1162, pp. 367-378.
Chapman, Michael ; Smith, W. W. ; Suh, S. W. ; Cascio, D. ; Howard, A. ; Hamlin, R. ; Xuong, N. H. ; Eisenberg, D. / Structural studies of Rubisco from tobacco. In: Philosophical transactions of the Royal Society of London. Series B: Biological sciences. 1986 ; Vol. 313, No. 1162. pp. 367-378.
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