Pex14p | Peroxisomal marker
AS08 372 | Clonality: Polyclonal | Host: Rabbit | Reactivity: Arabidopsis thaliana, Magnaporthe oryzae, Zea mays
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55.5 | 75-65 kDa (depending on the gel system)
Twenty 5-day-old light grown Arabidopsis thaliana seedlings (wild type, the pex14-2 null allele, and the pex14-1 truncation allele) were ground with a pestle in a 1.5 mL tube on dry ice following the addition of a double volume (60 μL) of NuPAGE 2x loading buffer (Invitrogen). After centrifugation, 20 μL of supernatant was trasnferred to a fresh tube with 2.1 μL 0.5 M DTT and boiled at 100 °C for 5 mins. Samples were loaded onto NuPAGE 10% Bis-Tris gel (Invitrogen) next to Cruz Marker (Santa Cruz Biotechnology). After electrophoresis, proteins were transferred for 30 mins at 24 V to a Hybond ECL nitrocellulose membrane (Anersham Pharmacia Biotech) using NuPAGE transfer buffer (Invitrogen). The blot was blocked for 1 h 4 °C in 8% non-fat dry milk in TBS-T (blocking buffer),and incubated overnight wiht agitation at 4 °C with primary antibody (1:10 000 rabbit anti-PEX14, AS08 372, Agrisera) diluted in blocking buffer. The antibody soliution was decanted and the blot was rinsed 3 times, 5 min each, with blocking buffer at 4 °C. The blot was incubated with horseradish peroxidase-conjugated anti-rabbit secondary antibody (1:5000), diluted in blocking buffer for 4 h at 4 °C with agitation. The blot was washed with 3 times, 5 min each, with TBS-T and developed with chemiluminescent reagent (Advanta), 1:10 dilution in water.
Courtesy Sarah Burkhart and Bonnie Bartel, Rice University, USA.
Pex14p has a protein transporter activity and is involved in protein targeting into peroxisome. Submitted protein name: Genomic DNA, chromosome 5, P1 clone:MQB2
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