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Light Stress-Induced One-Helix Protein of the Chlorophyll a/b-Binding Family Associated with Photosystem I1

Authors
  • Ulrica Andersson
  • Mounia Heddad
  • Iwona Adamska
Publisher
The American Society for Plant Biologists
Publication Date
Jun 01, 2003
Source
PMC
Keywords
Disciplines
  • Biology
License
Unknown

Abstract

Light Stress-Induced One-Helix Protein of the Chlorophyll a/b-Binding Family Associated with Photosystem I by Ulrica Andersson, Mounia Heddad, and Iwona Adamska Plantphysiol Volume 132(2):811-820 June 1, 2003 ©2003 by American Society of Plant Biologists Predicted primary and secondary structure of Ohp2 from Arabidopsis. Andersson U et al. Plantphysiol 2003;132:811-820 ©2003 by American Society of Plant Biologists Location of Ohp2 in thylakoid membranes. Andersson U et al. Plantphysiol 2003;132:811-820 ©2003 by American Society of Plant Biologists Association of Ohp2 with PSI. A, Localization of Ohp2 in appressed and nonappressed regions of thylakoid membranes assayed by immunoblotting. Andersson U et al. Plantphysiol 2003;132:811-820 ©2003 by American Society of Plant Biologists Expression of Ohp2 under various stress conditions. Andersson U et al. Plantphysiol 2003;132:811-820 ©2003 by American Society of Plant Biologists Predicted primary and secondary structure of Ohp2 from Arabidopsis. A, Deduced amino acid sequence of Ohp2. The arrowhead indicates the position of a predicted processing site (between amino acids 42 and 43), and the positions of potential hydrophobic regions (amino acids 130–153 and 159–166) are shown on a blue background. B, Hydropathy plot of the translated cDNA sequence of Ohp2. TP, Transit peptide; mOhp2, mature Ohp2. C, Sequence alignment of the conserved helix I of Lhca1 (GenBank accession no. M85150), Lhcb1.1 (GenBank accession no. X03907), Elip1 (GenBank accession no. U89014), Elip2 (GenBank accession no. Z97336), Sep1 (GenBank accession no. AF133716), Sep2 (GenBank accession no. AF133717), Ohp1 (GenBank accession no. AF054617), and a novel Ohp2 protein (GenBank accession no. AY057393) from Arabidopsis. The sequences were aligned manually with the assistance of the multiple alignment program ClustalW. Identical amino acids are shown on a blue background, and conserved amino acid residues involved in chlorophyll ligation in Lhcb2 (Kühlbrandt et al., 1994)

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