Integral outer membrane receptors for iron chelates and vitamin B 12 carry out specific ligand transport against a concentration gradient. Energy for active transport is obtained from the ...

Comparison of the structure of the BIR domain in survivin with that in XIAP 12 reveals very good overall agreement, with a 1.57 Å r.m.s. deviation for 69 aligned Cα atoms in the BIR domain (Fig. 1).

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Switching energy supplier can be one of the best ways to save money on your gas and electricity bills. The majority of households in Great Britain are on standard variable rate tariffs. These ...

The writer extols the virtues of immersing oneself in nature and laments the inevitable encroachment of private ownership upon the wilderness. I wish to speak a word for Nature, for absolute freedom ...

Nathan Reiff has been writing expert articles and news about financial topics such as investing and trading, cryptocurrency, ETFs, and alternative investments on Investopedia since 2016. Somer G.