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Protocols and Applications Guide (US Letter Size) - Promega

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||||| 5Protein Expression<br />

St<strong>and</strong>ard radioisotopic<br />

incorporation <strong>and</strong> detection<br />

M* M*<br />

Translation with<br />

incorporation of<br />

35S-met (1 hour)<br />

SDS PAGE (1 hour)<br />

Fix gel (30 minutes)<br />

Treat with enhancer<br />

(30 minutes)<br />

Dry gel (1 hour)<br />

Expose to<br />

X-ray film<br />

(4−10 hours)<br />

Transcend Biotinylated Lysine tRNA<br />

incorporation <strong>and</strong> detection<br />

L L<br />

Chemiluminescent<br />

detection<br />

Transfer to PVDF<br />

or nitrocellulose<br />

membrane (1 hour)<br />

L<br />

Block, bind<br />

Strep-HRP,<br />

wash (2 hours)<br />

Add<br />

Chemiluminescent<br />

Substrate <strong>and</strong><br />

expose to X-ray film<br />

(2−20 minutes)<br />

Translation with<br />

incorporation of<br />

biotinylated lysine (1 hour)<br />

SDS PAGE (1 hour)<br />

Colorimetric<br />

detection<br />

Transfer to PVDF<br />

or nitrocellulose<br />

membrane (1 hour)<br />

Block, bind<br />

Strep-AP,<br />

wash (2 hours)<br />

Add<br />

Western Blue ®<br />

Substrate to<br />

develop colored<br />

b<strong>and</strong>s (1−10 minutes)<br />

Time required = 8−14 hours Time required = 6 hours Time required = 6 hours<br />

Figure 5.8. Schematic of colorimetric <strong>and</strong> chemiluminescent detection of translation products.<br />

<strong>and</strong> background information about this system, please see<br />

Technical Bulletin #TB285 (www.promega.com<br />

/tbs/tb285/tb285.html).<br />

B. Translation Protocol<br />

• FluoroTect GreenLys in vitro Translation Labeling<br />

System (Cat.# L5001)<br />

• Nuclease-Free Water (Cat.# P1193)<br />

• translation system (e.g., TNT® Coupled<br />

Transcription/Translation System, Rabbit Reticulocyte<br />

Lysate, Wheat Germ Extract or E. coli S30 Extract)<br />

• complete amino acid mix or a combination of two minus<br />

amino acid mixes<br />

• salts, DTT <strong>and</strong> other components as needed to optimize<br />

the translation reaction<br />

• fluorescent imaging instrument (i.e., FluorImager® SI<br />

or FluorImager® 595 [Molecular Dynamics], both with<br />

a 488 argon laser; the Typhoon® 8600 [Molecular<br />

<strong>Protocols</strong> & <strong>Applications</strong> <strong>Guide</strong><br />

www.promega.com<br />

rev. 6/09<br />

Dynamics], with a 532nm excitation, or the FMBIO® II<br />

[Hitachi], with a 505 channel)<br />

0878MA08_3A<br />

PROTOCOLS & APPLICATIONS GUIDE 5-20

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