RbcL II | Rubisco large subunit, form II
AS15 2955 | clonality: polyclonal | host: rabbit | reactivity: photosynthetic bacteria, archea, dinoflagellates
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1:10 000 (WB)
|Expected | apparent MW||
|Confirmed reactivity||Amphidinium carterae, Rhodobacter capsulatus|
|Predicted reactivity||Acidithiobacillus ferrooxidans, Dechloromonas aromatica, Gonyaulax polyedra, Leptothrix cholodnii, Magnetovibrio blakemorei, Rhodobacter sphaeroides, Rhodospirillum rubrum, Thiobacillus denitrificans, Rhodopseudomonas palustris
and with a signle mismatch in one amino acid:
Gallionella capsiferriformans, Mariprofundus ferrooxydans, Thioalkalicoccus limnaeus, Methanomethylovorans hollandica, Methanococcoides burtonii, Methanosaeta concili, Methanolobus tindarius, Methanohalophilus mahii, and the dinoflagellate Symbiodinium sp. (ex Stylophora pistillata)
|Not reactive in||Burkholderi|
|Additional information||Protein extraction from diatoms protocol can be found here.|
|Selected references||To be added when available, antibody released in September 2015|
1.5 µg of total protein extract from Rhodobacter capsulatus (1); extracted with Protein Extraction Buffer PEB (AS08 300); 0.5 pmol of recombinant RbcL I (2), 0.5 pmol of recombinant RbcL II (3) 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 keept on ice before loading. Protein samples were separated on 4-12% Bolt Plus gels, LDS-PAGE and blotted for 70 minutes to PVDF using tank transfer. Blots were blocked immediately following transfer in 2% blocking reagent (GE RPN 2125; Healthcare) or 5% non-fat milk dissolved in 20 mM Tris, 137 mM sodium chloride pH 7.6 with 0.1% (v/v) Tween-20 (TBS-T) for 1h at room temperature with agitation. Blots were incubated in the primary antibody at a dilution of 1: 10 000 (in blocking reagent) for 1h at room temperature 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 room temperature with agitation. Blots were incubated in secondary antibody (anti-rabbit IgG horse radish peroxidase conjugated, recommended secondary antibody AS10 1489, Agrisera) diluted to 1:25 000 in blocking reagent for 1h at room temperature with agitation. The blots were washed as above. The blot was developed for 5 min with TMA-6 (Lumigen) detection reagent according the manufacturers instructions. Images of the blots were obtained using a CCD imager (VersaDoc MP 4000) and Quantity One software (Bio-Rad). Exposure time was 30 seconds.
Quantitative Immunoblot of Form II RbcL from Amphidinium carterae ( Dinoflagellata ). Algae were extracted from PC filters in protein extrac%on buffer (AS08 300) with 3 breakage cycles (60 seconds, 6.5 m/s) in a FastPrep-24 with D-matrix ceramic beads (MP Biomedicals). Total algal protein extract (2 μg, lanes 1-8) and a range of loads of recombinant form II RbcL standard (AS15 2955S, lanes 9-13, 37.5, 75, 150, 300, 450 fmol) was separated on a Bolt polyacrylamide gel (ThermoFisher) and bloSed onto PVDF. Following antibody incubations (primary antibody AS15 2955, 1:20000; secondary antibody AS09 602, 1:20 000), protein signal was developed using ECL Select (Life Technologies) and detected using a VersaDoc Imager (BioRad).
Courtesy of Environmental Proteomics N.B
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