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Anti-PsbO1 | 33 kDa of the oxygen evolving complex (OEC) of PSII
AS14 2824 | Clonality: Polyclonal | Host: Rabbit | Reactivity: A. thaliana
- Product Info
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Immunogen: KLH-conjugated peptide chosen chosen from Arabidopsis thaliana PsbO1, UniProt: P23321, TAIR:At5g66570
Host: Rabbit Clonality: Polyclonal Purity: Serum Format: Lyophilized Quantity: 50 µl Reconstitution: For reconstitution add 50 µl of sterile water Storage: Store lyophilized/reconstituted at -20°C; once reconstituted make aliquots to avoid repeated freeze-thaw cycles. Please remember to spin the tubes briefly prior to opening them to avoid any losses that might occur from material adhering to the cap or sides of the tube. Tested applications: Immunoprecipitation (IP), Western blot (WB) Recommended dilution: 1 : 1000 (WB) Expected | apparent MW: 33 | 30 kDa
- Reactivity
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Confirmed reactivity: Arabidopsis thaliana
Predicted reactivity: Brassica napus, Capsella rubella, Triticum aestivum
Species of your interest not listed? Contact usNot reactive in: Oryza sativa - Application Examples
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application example 
30 µg of thylakoid protein from Arabidopsis thaliana Columbia-0 extracted with 330 mM sorbitol, 50 mM Hepes-KOH (pH 7.8) were separated on 15% SDS-PAGE and blotted 1h to PVDF using semi-dry transfer. Blots were blocked with 5% milk for 1h at room temperature (RT) with agitation. Blot was incubated in the primary antibody at a dilution of 1: 1 000 for 6h at 4°C with agitation. The antibody solution was decanted and the blot was rinsed briefly twice, then washed once for 15 min and 3 times for 5 min in TBS-T at RT with agitation. Blot was incubated in secondary antibody (anti-rabbit IgG horse radish peroxidase conjugated) diluted to 1:10 000 in 1% milk (TBS-T) for 2h at 4°C with agitation. The blot was washed as above and developed for 5 min with ECL according to the manufacturer's instructions. Exposure time was 60 seconds.
Courtesy of Dr. Peter Gollan, University of Turku, Finland - Additional Information
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Additional information (application): This antibody is specific to PsbO1 and does not react with PsbO2 as confirmed on a deletion mutant - Background
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Background: The PsbO protein is an extrinisic subunit of the water splitting photosystem II (PSII) complex. The protein is exposed on the luminal side of the thylakoid membrane, and is hihgly conserved in all known oxygenic photosynthetic organisms. Alternative names of PsbO1 include 33 kDa subunit of oxygen evolving system of photosystem II, OEC 33 kDa subunit, 33 kDa thylakoid membrane protein, manganese-stabilizing protein 1 and for PsbO2 33 kDa subunit of oxygen evolving system of photosystem II, OEC 33 kDa subunit, 33 kDa thylakoid membrane protein, manganese-stabilizing protein 2.
- Product Citations
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Selected references: Collombat et al. (2025). Arabidopsis conditional photosynthesis mutants abc1k1 and var2 accumulate partially processed thylakoid preproteins and are defective in chloroplast biogenesis. Commun Biol . 2025 Jan 22;8(1):111. doi: 10.1038/s42003-025-07497-y.
Shanmugabalaji et al. (2018). Chloroplast Biogenesis Controlled by DELLA-TOC159 Interaction in Early Plant Development. Curr Biol. 2018 Aug 20;28(16):2616-2623.e5. doi: 10.1016/j.cub.2018.06.006. - Reviews:
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