?cl25403: ABC_ATPase Superfamily (this model, PSSM-Id:355390 is obsolete)
ATP-binding cassette transporter nucleotide-binding domain ABC transporters are a large family of proteins involved in the transport of a wide variety of different compounds, like sugars, ions, peptides, and more complex organic molecules. The nucleotide-binding domain shows the highest similarity between all members of the family. ABC transporters are a subset of nucleotide hydrolases that contain a signature motif, Q-loop, and H-loop/switch region, in addition to, the Walker A motif/P-loop and Walker B motif commonly found in a number of ATP- and GTP-binding and hydrolyzing proteins.
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Jiyao W et al.(2023). "The conserved domain database in 2023.",