Crystal Structure of the Translocation ATPase SecA from Thermus thermophilus Reveals a Parallel, Head-to-Head Dimer

The mechanism of pre-protein export through the bacterial cytoplasmic membrane, in which the SecA ATPase plays a crucial role as an “energy supplier”, is poorly understood. In particular, biochemical and structural studies provide contradictory data as to the oligomeric state of SecA when it is inte...

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