The molecular structures and interactions of bovine and human gamma-crystallins.

L. Summers, C. Slingsby, H. White, M. Narebor, D. Moss, L. Miller, D. Mahadevan, P. Lindley, H. Driessen, T. Blundell

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

Knowledge of the three-dimensional structure of bovine gamma II-crystallin has provided the basis for building molecular models using computer graphics of two human gamma-crystallins, the sequences of which have recently been determined. The tertiary structures of these gamma-crystallins are predicted to be highly conserved. They have extensive networks of interacting charges on their surfaces, which may contribute to their thermodynamic stability and partially define the degree of water retention in the lens. The human crystallins appear to be more hydrophobic than the bovine molecule. All have arrangements of cysteine thiols which may be important as electron sinks and reserve redox potential in the normal lens but which may contribute to protein aggregation in cataract.

Original languageEnglish (US)
Pages (from-to)219-236
Number of pages18
JournalCiba Foundation symposium
Volume106
StatePublished - Dec 1 1984
Externally publishedYes

ASJC Scopus subject areas

  • General

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