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Tag Antibody Set 

PsaC | PSI-C core subunit of photosystem I

AS10 939  |  Clonality: Polyclonal  |  Host: Rabbit  |  Reactivity: [global antibody] for higher plants, algae, cyanobacteria, diatoms

PsaC | PSI-C core subunit of photosystem I  in the group Antibodies for Plant/Algal  / Global Antibodies at Agrisera AB (Antibodies for research) (AS10 939)

PRODUCT INFORMATION IN PDF

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Datasheet Product citations Protocols Customer reviews

Product Information

Immunogen

KLH-conjugated synthetic peptide conserved in all known PsaC proteins including Arabidopsis thaliana AtCg01060, Hordeum vulgare P69416, Oryza sativa P0C360, Chlamydomonas reinhardtii Q00914, Synechococcus elongatus Q31QV2

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 tubes briefly prior to opening them to avoid any losses that might occur from lyophilized material adhering to the cap or sides of the tubes.
Tested applications Western blot (WB)
Recommended dilution 1 : 1000 (WB)
Expected | apparent MW

9 kDa

Reactivity

Confirmed reactivity Arabidopsis thaliana, Chlamydomonas reinhardtii, Cyanophora paradoxa, Dactylis glomeRata, Emiliania huxleyi, Euglena gracilis, Gonyaulax polyedra, Horderum vulgare, Mesembryanthemum sp., Spinacia oleracea, Flaveria sp., Heterosigma akashiwo,Micromonas pusilla,  Phaeodactylum tricornutum, Porphyra sp., symbiotic dinoflagellates of Stylophora pistillata and Turbinaria reniformis;  Synechococcus sp.PCC7002, sp. PCC 7942, Synechocystis sp. PCC 6803,  Thalassiosira pseudonana, Thalassiosira punctigera, Triticum aestivum
Predicted reactivity
Algae, Cannabis sativa, Chromera velia, Cyanobacteria, Glycine max, Nannochloropsis sp.,  Nicotiana tabacum, Physcomitrella patens, , Prochlorococcus sp. (surface and a deep water ecotype), Spinacia oleracea, Synechococcus PCC 8801, Thermosynechococcus elongatus (BP-1)
Not reactive in No confirmed exceptions from predicted reactivity are currently known.

Application examples

Application examples Application example

western blot using anti-PsaC antibodies
5 µg of total protein from samples such as (1) Arabidopsis thaliana leaf, (2) Hordeum vulgare leaf,  (3) Chlamydomonas reinhardtii total cell, (4) Synechococcus sp. 7942 total cell, (5) PsaC protein standard (AS04 042S), total protein from all the samples were extracted with Agrisera Protein Extraction Buffer PEB (AS08 300). Samples were diluted with 1X sample buffer (NuPAGE LDS sample buffer (Invitrogen) supplemented with 50 mM DTT and heat at 70°C for 5 min and kept on ice before loading. Protein samples were separated on NuPAGE 4-12% Tris-Bis gel (Invitrogen) LDS-PAGE and blotted for 1h to 1.5h on PVDF using tank transfer. Blots were blocked immediately following transfer in 2% ECL Advance blocking reagent for 1h at RT with agitation. Blots were incubated with PsaC antibody at a dilution of 1: 10 000 (in blocking reagent) for 1h at RT with agitation. The antibody solution was decanted and the blot was rinsed briefly twice, and then washed 1x15 min and 3x5 min with TBS-T at RT with agitation. Blots were incubated in secondary antibody (anti-rabbit IgG HRP conjugated, AS09 602) diluted to 1:50 000 in blocking reagent for 1h at RT with agitation. The blots were washed as above. The blot was developed for 5 min with chemiluminescence detection reagent in mid picogram range. Images of the blots were obtained using a CCD imager (FluorSMax, Bio-Rad) and Quantity One software (Bio-Rad).

Additional information

Additional information
Peptide target used to elicit this antibody is well conserved in all photoautotrophs except some cyanobacteria, some red algae and Cyanophora paradoxa, which contain a conserved substitution of a valine to an isoleucine. The performance of the antibodies has been confirmed against taxa containing both the valine and isoleucine variants.
Example of a simulataneous western blot detection with RbcL, PsbA and PsaC antibodies.

More information about quantitative western blot using PsaC antibody can be found here.
In some species minor cross reactions with some larger proteins are seen. These may contain related iron-sulfur binding motifs. Therefore size verification of the reacting band is required. Due to the small size of the protein, care should be taken to differentiate between chemiluminescent signal from PsaC and non-specific signals from chlotophylls or lipids if pigment is retained near the bottom of the blot.
For the most optimal results use:thylakoid membranes or PSI particles,  solubilized in a SDS sample buffer (final concentrations: 63 mM Tris HCl, 10% glycerol, 2% SDS, 0.0025% bromophenol blue) with 2.5% beta-mercaptoethanol at 85C for 2 minutes. The samples were spun softly, then the supernatant loaded. 

This product can be sold containing ProClin if requested

Related products

Related products

AS10 939-10 | PsaC | PSI-C core subunit of photosystem I
AS04 042P | PsaC | PSI-C core subunit of photosystem I (PsaC antibody + PsaC protein positive control)
AS04 042S
| PsaC protein standard for quantitation or positive control
collection of antibodies to PSI proteins

Plant and algal protein extraction buffer

Background

Background

PsaC is a conserved, chloroplast-encoded, Fe-S binding protein of approximately 10kDa, present in all known Photosystem I complexes. It is located on the stromal side of the thylacoid membranes. PsaC coordinates the Fe–S clusters FA and FB through two cysteine-rich domains.

Product citations

Selected references Gonzaga Heredia-Martinez et al. (2018). Chloroplast damage induced by the inhibition of fatty acid synthesis triggers autophagy in Chlamydomonas. Plant Physiol, Sept. 2018.
Liu et al. (2018). Effects of PSII Manganese-Stabilizing Protein Succinylation on Photosynthesis in the Model Cyanobacterium Synechococcus sp. PCC 7002. Plant Cell Physiol. 2018 Jul 1;59(7):1466-1482. doi: 10.1093/pcp/pcy080.
Du et al. (2018). Galactoglycerolipid Lipase PGD1 Is Involved in Thylakoid Membrane Remodeling in Response to Adverse Environmental Conditions in Chlamydomonas. Plant Cell. 2018 Feb;30(2):447-465. doi: 10.1105/tpc.17.00446.
Cantrell and Peers (2017). A mutant of Chlamydomonas without LHCSR maintains high rates of photosynthesis, but has reduced cell division rates in sinusoidal light conditions. PLoS One. 2017 Jun 23;12(6):e0179395. doi: 10.1371/journal.pone.0179395.
Zang et al. (2017). Characterization of the sulfur-formation (suf) genes in Synechocystis sp. PCC 6803 under photoautotrophic and heterotrophic growth conditions. Planta. 2017 Jul 14. doi: 10.1007/s00425-017-2738-0.
Hu et al. (2017). The SUFBC2 D Complex is Required for the Biogenesis of All Major Classes of Plastid Fe-S Proteins. Plant J. 2017 Jan 19. doi: 10.1111/tpj.13483.
Yang-Er Chen et al. (2017). Responses of photosystem II and antioxidative systems to high light and high temperature co-stress in wheat. J. of Exp. Botany, Volume 135, March 2017, Pages 45–55.
Li et al. (2016). A Hard Day's Night: Diatoms Continue Recycling Photosystem II in the Dark. Front. Mar. Sci., 08 November 2016
Heinnickel et al. (2016). Tetratricopeptide repeat protein protects photosystem I from oxidative disruption during assembly. Proc Natl Acad Sci U S A. 2016 Mar 8;113(10):2774-9. doi: 10.1073/pnas.1524040113
Rozpądek et al. (2015). The fungal endophyte Epichloë typhina improves photosynthesis efficiency of its host orchard grass (Dactylis glomerata). Planta. 2015 Jun 10.
Subramanyam et al. (2014). Structural and functional changes of PSI-LHCI supercomplexes of Chlamydomonas reinhardtii cells grown under high salt conditions. Planta. 2010 Mar;231(4):913-22.
Dang et al. (2014). Combined Increases in Mitochondrial Cooperation and Oxygen Photoreduction Compensate for Deficiency in Cyclic Electron Flow in Chlamydomonas reinhardtii. Plant Cell. 2014 Jul 2. pii: tpc.114.126375.

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