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

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

PsaH | PSI-H subunit of photosystem I (plants) in the group Antibodies for Plant/Algal  / Photosynthesis  / PSI (Photosystem I) at Agrisera AB (Antibodies for research) (AS06 105)


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Product Information


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 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

10 | 10 for Arabidopsis thaliana


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 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).

Additional information

Related products

Related products

AS06 143 Anti-PsaH | PSI-H subunit of photosystem I, Chlamydomonas, rabbit antibodies

PSI available antibodies to Photosystem I proteins

Collection of antibodies to proteins involved in Photosynthesis 

Plant protein extraction buffer 



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.

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