The RNA polymerase factory: a robotic in vitro assembly platform for high-throughput production of recombinant protein complexes.
The RNA polymerase factory: a robotic in vitro assembly platform for high-throughput production of recombinant protein complexes.
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DOI:
10.1093/nar/gkm1044
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发表时间:
2008-01
影响因子:
14.9
通讯作者:
Weinzierl RO
中科院分区:
文献类型:
--
作者:
Nottebaum S;Tan L;Trzaska D;Carney HC;Weinzierl RO
The in-depth structure/function analysis of large protein complexes, such as RNA polymerases (RNAPs), requires an experimental platform capable of assembling variants of such enzymes in large numbers in a reproducible manner under defined in vitro conditions. Here we describe a streamlined and integrated protocol for assembling recombinant archaeal RNAPs in a high-throughput 96-well format. All aspects of the procedure including construction of redesigned expression plasmids, development of automated protein extraction/in vitro assembly methods and activity assays were specifically adapted for implementation on robotic platforms. The optimized strategy allows the parallel assembly and activity assay of 96 recombinant RNAPs (including wild-type and mutant variants) with little or no human intervention within 24 h. We demonstrate the high-throughput potential of this system by evaluating the side-chain requirements of a single amino acid position of the RNAP Bridge Helix using saturation mutagenesis.
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Kettenberger, H;Armache, KJ;Cramer, P
通讯作者:
Cramer, P
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