Anti-PsaH | PSI-H subunit of photosystem I (plants)

Product no: AS06 105

AS06 105  |  Clonality: Polylclonal  |  Host: Rabbit  |  Reactivity: Arabidopsis thaliana, Nicotiana tabaccum, Spinacia oleracea

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  • Product Info
  • Immunogen:

    KLH-conjugated synthetic peptide derived from the protein sequence of Arabidopsis thaliana for PsaH1(At3g16240) and PsaH2 (At1g52230). This peptide sequence is quite conserved in some dicots but not in monocots.

    Host: Rabbit
    Clonality: Polyclonal
    Purity: Serum
    Format: Lyophilized
    Quantity: 200 µl
    Reconstitution: For reconstitution add 200 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: Western blot (WB)
    Recommended dilution: 1 : 1000 (WB)
    Expected | apparent MW:

    10 | 10 for Arabidopsis thaliana

  • Reactivity
  • Confirmed reactivity: Arabidopsis thaliana, Nicotiana tabaccum, Spinacia oleracea
    Predicted reactivity:

    Arachis hypogaea, Brassica rapa, Medicago truncatula, Nicotiana sylvestris, Nicotiana tabaccum, Populus trichocarpa, Ricinus communis


    Species of your interest not listed? Contact us
    Not reactive in: monocots
  • Application Examples
  • Application example

    2 µg of total leaf of Arabidopsis thaliana (1) and Hordeum vulgare (2) and cellular protein of Chlamydomonas reinhardtii (3) and Synechococcus PCC 7942 (4) isolated with PEB (AS08 300) were separated on 4-12% Nupage Bis-Tris gels in in MES running buffer (Invitrogen) at 200V for 35 minutes. Proteins were transferred for 80 minutes at 30V to a PVDF membrane pre-wetted in methanol and equilibrated in 1X transfer buffer. Blots were blocked immediately following transfer in 2% blocking reagent in 20 mM Tris, 137 mM sodium chloride pH 7.6 with 0.1% (v/v) Tween-20 (TBS-T) and probed with anti-PsaH (AS06 105, 1:1000) and secondary HRP-conjugated goat anti-rabbit antibody (1:50 000) for 1 hr in TBS-T containing 2% ECL Advance blocking reagent (GE Healthcare). Antibody incubations were followed by washings in TBS-T (15, +5, +5, +5 min). All steps were performed at RT with agitation. Signals was detected after 10 s using chemiluminescence detection reagent according to the manufacturers instructions and a CCD imager (FluorSMax, Bio-Rad).

    Application examples:

    Reactant: Nicotiana tabacum (Common tobacco)

    Application: Western Blotting

    Pudmed ID: 28180288

    Journal: J Exp Bot

    Figure Number: 5A

    Published Date: 2017-02-01

    First Author: Schöttler, M. A., Thiele, W., et al.

    Impact Factor: 6.088

    Open Publication

    Immunoblot analysis of photosynthetic complex accumulation in wild-type tobacco and the two ?psaI lines grown under low, intermediate, and high-light conditions. Because the accumulation of most tested proteins was highest under high-light conditions, lanes one to three contain samples diluted to 25%, 50%, and a 100% sample of wild-type tobacco grown under high-light conditions, to allow for semi-quantitative determination of changes in protein abundance. Lanes four and five contain the two transplastomic lines grown at 1000 µE m?2 s?1. Lanes six to eight contain wild-type tobacco and the mutants grown at intermediate light intensities, and lanes nine to eleven contain samples grown at low light intensities. For PSII, the accumulation of the essential subunits PsbB (CP43) and PsbD (D2) and the LHCB1 antenna protein were determined, while for the cytochrome b6f complex, the accumulation of the essential redox-active subunits PetA (cytochrome f), PetB (cytochrome b6), and PETC (Rieske FeS protein) was tested. AtpB was probed as an essential subunit of the chloroplast ATP. For PSI, in addition to the three essential plastome-encoded subunits PsaA, PsaB, and PsaC, the accumulation of the nuclear-encoded subunits PSAD, PSAH, PSAK, PSAL, and PSAN and of the four LHCI proteins (LHCA1, LHCA2, LHCA3, LHCA4) was determined. Finally, we examined the accumulation of Ycf4, the chloroplast-encoded PSI-biogenesis factor encoded in the same operon as PsaI, and the nuclear-encoded assembly factor Y3IP1.

  • Background
  • Background:

    PsaH (PSI-H) is a conserved subunit of type I photosynthetic reaction centers (Photosystem I, PSI). PSI is an integral membrane multi-protein complex that catalyzes the electron transfer from plastocyanin (or cytochrome c6) to ferredoxin (or flavodoxin). Psa-H has been suggested to be involved in regulation of state1-state2 transitions. In plants and algae Psa-H is nuclear encoded and imported post-translationally into the chloroplast where it inserts into the thylakoid membrane.

  • Product Citations
  • Selected references: Wang et al. (2017). The Phytol Phosphorylation Pathway Is Essential for the Biosynthesis of Phylloquinone, which Is Required for Photosystem I Stability in Arabidopsis.Mol Plant. 2017 Jan 9;10(1):183-196. doi: 10.1016/j.molp.2016.12.006.
    Schwarz et al. (2017). Photosystem I-LHCII megacomplexes respond to high light and aging in plants. Photosynth Res. 2017 Oct 3. doi: 10.1007/s11120-017-0447-y.
    Tiwari et al. (2016). Photodamage of iron–sulphur clusters in photosystem I induces non-photochemical energy dissipation. Nature Plants Article number: 16035 (2016) doi:10.1038/nplants.2016.35.
  • Protocols
  • Agrisera Western Blot protocol and video tutorials

    Protocols to work with plant and algal protein extracts
  • Reviews:
  • Reviews
    Below, you can grade the product on a scale from 0 to 5.
    Please also provide information about species, application, dilution and obtained result for the reviewed antibody.
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    Number of reviews: (2)
    Manuela Leonardelli | 2020-08-05
    0 | 0
    Antibody works well in Arabidopsis with a concentration of 1:1000. Can also be reused few time and still give good signal. Loading approx 3ug protein is enough
    | 2011-06-30
    0 | 0
    I have to try several times to obtain a satisfactory result. I think this is mainly because of the low MW of th e target protein. So we have to be careful of the PAGE process. The antibody works well in Arabidopsis.

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