Abstract
The primary structure of thioredoxin f from spinach chloroplasts was determined by standard amino acid sequencing and furthermore by sequencing the corresponding nuclear genome region. The protein, with a calculated molecular mass of 12564 Da and a molar absorption coefficient at 280 nm of 17700 M−1 cm−1, consists of 113 residues and exhibits 24% residue identities with spinach chloroplast thioredoxin mb or Escherichia coli thioredoxin.A monospecific antibody elicited against thioredoxin f has been used to select recombinant phage from spinach cDNA libraries in λgt11. The inserts of positive clones were sequenced. They code for a polypeptide of 190 amino acids, composed of the thioredoxin f sequence (113 residues) and an upstream element (77 residues) which most probably consitutes the N‐terminal transit peptide that directs the polypeptide into chloroplasts. In vitro transcription and translation of this construct generates a polypeptide of approximately 21 kDa, which is imported by isolated spinach chloroplasts and processed to the mature 12.5‐kDa protein.
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Dates
Type | When |
---|---|
Created | 20 years, 6 months ago (March 3, 2005, 10:12 p.m.) |
Deposited | 1 year, 9 months ago (Nov. 23, 2023, 5:58 p.m.) |
Indexed | 1 month ago (Aug. 6, 2025, 9:19 a.m.) |
Issued | 36 years, 3 months ago (June 1, 1989) |
Published | 36 years, 3 months ago (June 1, 1989) |
Published Online | 20 years, 6 months ago (March 3, 2005) |
Published Print | 36 years, 3 months ago (June 1, 1989) |
@article{KAMO_1989, title={Primary structure of spinach‐chloroplast thioredoxin f: Protein sequencing and analysis of complete cDNA clones for spinach‐chloroplast thioredoxin f}, volume={182}, ISSN={1432-1033}, url={http://dx.doi.org/10.1111/j.1432-1033.1989.tb14832.x}, DOI={10.1111/j.1432-1033.1989.tb14832.x}, number={2}, journal={European Journal of Biochemistry}, publisher={Wiley}, author={KAMO, Masaharu and TSUGITA, Akira and WIESSNER, Christoph and WEDEL, Norbert and BARTLING, Dieter and HERRMANN, Reinhold G. and AGUILAR, Fernando and GARDET‐SALVI, Laura and SCHÜRMANN, Peter}, year={1989}, month=jun, pages={315–322} }