PC | plastocyanin
AS06 141 | clonality: polyclonal | host: rabbit | reactivity: A. thaliana, B. juncea, H. annuus, N. tabacum, O. sativa, P. sativum, S. oleracea, S. tuberosum, Z. mays | cellular [compartment marker] of chloroplast thylakoid lumen
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1:2000 with alkaline phosphatase (WB), 1: 100 (IG)
|Expected | apparent MW||
Arabidops thaliana, Brassica juncea, Heliantus annuus, Nicotiana tabacum, Oryza sativa, Pisum sativum, Spinacia oleracea, Solanum tuberosum, Zea mays
dicots Ricinus communis, Solanum lycopersicum, monocots including Hordeum vulgare, moss Physcomitrella patens
|Not reactive in||
no confirmed exceptions from predicted reactivity known in the moment
plastocyanin runs abberant due to negative charge at 12-19 kDa on SDS-PAGE depending upon the system used. in 15 % gel the protein will run closer to its true MW than in 12 % gel. In some cases PC can be very acidic and run at twice of its MW.
PC1 runs closer to 14 kDa while PC2 runs closer to 19 kDa. For good resolution adding fresh DTT to the sample buffer is recommended.
|Selected references||Kropat et al. (2015). Copper economy in Chlamydomonas: Prioritized allocation and reallocation of copper to respiration vs. photosynthesis. Proc Natl Acad Sci U S A. 2015 Feb 2. pii: 201422492.
Sook Seok et al. (2013). AtFKBP16-1, a chloroplast lumenal immunophilin, mediates response to photosynthetic stress by regulating PsaL stability. Physiologia Plantarum, DOI: 10.1111/ppl.12116.
Perera-Garcia et al. (2013). Arabidopsis copper transport protein COPT2 participates in the crosstalk between iron deficiency responses and low phosphate signaling.
10 µg of total protein from (1) Arabidopsis thaliana, (2) Brassica juncea, (3) Zea mays, (4) Oryza sativa, (5) Solamum lycopersicum, (6) Nicotiana tabacum, (7) Heliantus annuus were separated on SDS-PAGE and blotted to nitrocellulose. Filters were probed with anti-PC antibody (AS06 141, 1:2000). Signal was developed using alkaline phosphatase conjugated secondary antibody. Each sample was run in duplicate. Signal was developed using alkaline conjugated secondary antibody.
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