Protein
Putrescine export system ATP-binding protein SapD
Organism
Escherichia coli (strain K12)
Function
Part of a putrescine export transport system, does not play a role in resistance to antimicrobial peptides (PubMed:27803167). Stimulates K(+)-uptake proteins TrkG and TrkH to import K(+), may act via ATP-binding rather than ATP hydrolysis (PubMed:11700350).
Similarity
Belongs to the ABC transporter superfamily.
Sequence
MPLLDIRNLTIEFKTGDEWVKAVDRVSMTLTEGEIRGLVGESGSGKSLIAKAICGVNKDNWRVTADRMRFDDIDLLRLSARERRKLVGHNVSMIFQEPQSCLDPSERVGRQLMQNIPAWTYKGRWWQRFGWRKRRAIELLHRVGIKDHKDAMRSFPYELTEGECQKVMIAIALANQPRLLIADEPTNSMEPTTQAQIFRLLTRLNQNSNTTILLISHDLQMLSQWADKINVLYCGQTVETAPSKELVTMPHHPYTQALIRAIPDFGSAMPHKSRLNTLPGAIPLLEQLPIGCRLGPRCPYAQRECIVTPRLTGAKNHLYACHFPLNMEKE