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Avidin phycobiliproteins

Other proteins commonly crosslinked to (strept)avidin are chromogenic or fluorescent molecules, such as ferritin or phycobiliproteins (Chapter 9, Section 7). These conjugates can be used in microscopy techniques to stain and localize certain antigens or receptors in cells or tissue sections. [Pg.905]

Conjugates of (strept)avidin with these fluorescent probes may be prepared by activation of the phycobiliprotein with N-succinimidyl 3-(2-pyridyldithio)propionate (SPDP) to create a sulf-hydryl-reactive derivative, followed by modification of (strept)avidin with 2-iminothiolane or SATA (Chapter 1, Section 4.1) to create the free sulfhydryl groups necessary for conjugation. The protocol for SATA modification of (strept)avidin can be found in Section 3.1, this chapter. The procedure for SPDP activation of phycobiliproteins can be found in Chapter 9, Section 7. Reacting the SPDP-activated phycobiliprotein with thiol-labeled (strept)avidin at a molar ratio of 2 1 will result in highly fluorescent biotin binding probes. [Pg.919]

The procedure for SPDP activation of phycobiliproteins can be found in Chapter 8, Section 1.7. Reacting the SPDP-activated phycobiliprotein with SH-labeled avidin at a molar ratio of 2 1 will result in highly fluorescent biotin-binding probes. [Pg.609]


See other pages where Avidin phycobiliproteins is mentioned: [Pg.462]    [Pg.905]    [Pg.913]    [Pg.918]    [Pg.29]    [Pg.595]    [Pg.603]    [Pg.608]    [Pg.575]    [Pg.583]    [Pg.588]   
See also in sourсe #XX -- [ Pg.363 ]

See also in sourсe #XX -- [ Pg.363 ]




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