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archaeosortase A
This family is an archaeal variant of the (normally bacterial) putative protein-sorting integral membrane protein exosortase, hence archaeosortase. In species a member of this family, its PGF-CTERM cognate sequence (TIGR04126) occurs at the C-termini of from two to over fifty proteins per genome. Those target proteins may not share homology to each other in regions N-terminal to the PGF-CTERM region.
exosortase/archaeosortase family protein
This model represents the most conserved region of the multitransmembrane protein family of exosortases and archaeosortases. The region includes nearly invariant motifs at the ends of three predicted transmembrane helices on the extracytoplasmic face: a Cys (often Cys-Xaa-Gly), Asn-Xaa-Xaa-Arg, and His. This model is much broader than the bacterial exosortase model (TIGR02602), and has in intended scope similar to (or broader than) Pfam model PF09721.
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