?cl21578: PAS Superfamily (this model, PSSM-Id:451318 is obsolete and has been replaced by 473914)
PAS domain; PAS motifs appear in archaea, eubacteria and eukarya. Probably the most surprising identification of a PAS domain was that in EAG-like K+-channels. PAS domains have been found to bind ligands, and to act as sensors for light and oxygen in signal transduction.
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