UNSPECIFIED (1998) Characterisation of an Arabidopsis cDNA encoding a thylakoid lumen protein related to a novel 'pentapeptide repeat' family of proteins. FEBS LETTERS, 428 (3). pp. 241-244. ISSN 0014-5793

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Abstract

We have cloned an Arabidopsis cDNA encoding a novel thylakoid lumen protein, P17.4, that has been previously isolated from lumen extracts of spinach chloroplasts. The protein is synthesised with a bipartite presequence containing a Sec-type Lumen-targeting signal peptide and the precursor protein is imported into the Lumen of pea chloroplasts. The encoded protein is homologous to an Anabaena protein that is essential for correct glycolipid localisation, and is also related to at least 16 unassigned open reading frames in Synechocystis. This family of proteins is characterised by the presence of numerous pentapeptide repeats with the consensus structure AXLXX, and its members are predicted to be located in the cytosol, plasma membrane and periplasm/lumen. P17.4 is therefore the first higher plant member of an extended family of putative cyanobacterial proteins that may serve important roles in lipid transport or assembly. (C) 1998 Federation of European Biochemical Societies.

Item Type:	Journal Article
Subjects:	Q Science > QD Chemistry Q Science > QH Natural history > QH301 Biology
Journal or Publication Title:	FEBS LETTERS
Publisher:	ELSEVIER SCIENCE BV
ISSN:	0014-5793
Date:	29 May 1998
Volume:	428
Number:	3
Number of Pages:	4
Page Range:	pp. 241-244
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/15659

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