PTOX | Plastid terminal oxidase

AS16 3692  |  Clonality: Polyclonal  |  Host: Rabbit  |  Reactivity: Araidopsis thaliana, Chlamydomonas reinhardtii
PTOX | Plastid terminal oxidase in the group Antibodies Plant/Algal  / Photosynthesis  / Electron transfer at Agrisera AB (Antibodies for research) (AS16 3692)
PTOX | Plastid terminal oxidase


How to cite this product:
Product name, number (Agrisera, Sweden)

Data sheet Product citations Customer reviews

Product Information

Part of Arabidopsis thaliana recombinant plastid terminal oxidase, TAIR: At4g22260, UniProt: Q56X52
Host Rabbit
Clonality Polyclonal
Purity Serum
Format Lyophilized
Quantity 100 ĩl
Reconstitution For reconstitution add 100 ĩl 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 : 4000 (WB)
Expected | apparent MW

30 | 37-41 kDa (Arabidopsis thaliana)


Confirmed reactivity Arabidopsis thaliana, Chlamydomonas reinhardtii, Hordeum vulgare, Nicotiana tabacum, Solanum lycopersicum, Spinacia oleracea
Predicted reactivity Higher plants
Species of your interest not listed? Contact us
Not reactive in Phaeodactylum tricornutum

Application examples

Application examples Application example

Western blot using anti-PTOX antibodies
15 µg from total protein leaf extract of Spinacia oleracea (1), Arabidopsis thliana (2), Solanum lycopersicum (3), Nicotiana tabacum (4), Hordeum vulgare (5), Arabidopsis thaliana thylakoid fraction (6) were separated on SDS-PAGE and blotted to PVDF membrane. Incubation with primary antibody: 1: 4000 followed by chemiluminescent detection. Exposure time 2 minutes.

Cross reactivity to 52 kDa band can be eliminated by using thylakoid fraction or blocking with 10 % milk ON/4°C.

Additional information

Additional information This product can be sold containing proclin if requested
In most plants it is a minor polypeptide and consequently enrichment by analyzing membrane fractions for example is recommended

Related products

Related products
AS10 1625 | Anti-FNR | Ferredoxin-NADP+-oxidoreductase (higher plants), rabbit antibodies

Other antibodies to proteins involved in photosynthetic electron transfer


PTOX (plastid terminal oxidase) is a component of electron transfer chain responsible for desaturation of phytoene, which prevents the generation of reactive oxygen species. It is involved in the differentiation of plastids: chloroplasts, amyloplasts, and etioplasts. PTOX is expressed ubiquitously in plant tissues and is located in the lumen.
Synonymes: IM, IM1, immutants, AOX4, alternative oxidase 4, ubiquinol oxidase 4, chloroplastic/chromoplastic

Product citations

Selected references Pralon et al. (2020). Mutation of the Atypical Kinase ABC1K3 Partially Rescues the PROTON GRADIENT REGULATION 6 Phenotype in Arabidopsis thaliana. Front. Plant Sci., 25 March 2020
Bolte et al. (2020). Dynamics of the localization of the plastid terminal oxidase PTOX inside the chloroplast. J Exp Bot. 2020 Feb 15. pii: eraa074. doi: 10.1093/jxb/eraa074.
Cournac et al. (2000b). Flexibility in photosynthetic electron transport: a newly identified chloroplast oxidase involved in chlororespiration. Philos Trans R Soc Lond B Biol Sci. 2000 Oct 29;355(1402):1447-54
Cournac et al. (2000a). Electron flow between photosystem II and oxygen in chloroplasts of photosystem I-deficient algae is mediated by a quinol oxidase involved in chlororespiration. J Biol Chem. 2000 Jun 9;275(23):17256-62.
Josse et al. (2000). A Plastid Terminal Oxidase Associated with Carotenoid Desaturation during Chromoplast Differentiation. Plant Physiol. 2000 Aug;123(4):1427-36

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