The amino acid sequence of a type I copper protein with an unusual serine‐ and hydroxyproline‐rich C‐terminal domain isolated from cucumber peelings
- 17 December 1992
- journal article
- research article
- Published by Wiley in FEBS Letters
- Vol. 314 (3) , 220-223
- https://doi.org/10.1016/0014-5793(92)81475-2
Abstract
We have determined the amino acid sequence of a small copper protein isolated from cucumber peelings. This cupredoxin contains 137 amino acids including a pyroglutamate as the first residue. The N-terminal 110 amino acid-long domain shows 30-37% identity to 2 other cupredoxins, stellacyanin and cucumber basic blue protein. A unique feature of this protein is a 27 amino acid-long C-terminal domain rich in 4-hydroxyproline and serine and resembling certain plant cell wall proteins. The prolines in this domain are hydroxylated to a different extent depending on the surrounding sequence.Keywords
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