Toolkit Items

Browse the toolkit beneath workflows. The mechanism branch runs mechanism -> architecture -> component, while the technique branch runs from high-level approaches down to concrete methods.

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Mechanism Branch

Layer 1

Mechanisms

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Top-level concepts: biophysical action modes such as heterodimerization, photocleavage, or RNA binding.

Layer 2

Architectures

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Arrangements that realize or deploy mechanisms, including switches, construct patterns, and delivery strategies.

Layer 3

Components

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Low-level parts and sequence-defined elements used inside architectures, including protein domains and RNA elements.

Technique Branch

Layer 1

Approaches

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High-level engineering practices such as computational design, directed evolution, sequence verification, and functional assay.

Layer 2

Methods

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Concrete methods used to design, build, verify, or characterize engineered systems.

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redox-controlled switching

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heme PAS domain of Ec DOS

Protein Domain
Since 2004conformational switchingheme ligand switchingHeterodimerizationredox-controlled switchingsubunit rotationStructural Characterization

The heme PAS domain of Escherichia coli direct oxygen sensor (Ec DOS) is a bacterial heme-binding sensor domain structurally characterized in inactive Fe(3+) and active Fe(2+) states. It acts as a redox-responsive molecular switch in which changes in heme coordination are coupled to conformational rearrangements within the PAS domain.

CFBacMamMusHumTxRep
Ev 28Rep 9Pr 71
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