Literature summary extracted from

Kashiwagi, K.; Pistocchi, R.; Shibuya, S.; Sugiyama, S; Morikawa, K.; Igarashi, K.
Spermidine-preferential uptake system in Escherichia coli. Identification of amino acids involved in polyamine binding in PotD proteins (1996), J. Biol. Chem., 271, 12205-12208.

Organism

EC Number	Organism	UniProt	Comment	Textmining
7.6.2.11	Escherichia coli	-	-	-

Substrates and Products (Substrate)

EC Number	Substrates	Comment Substrates	Organism	Products	Comment (Products)	Rev.	Reac.
7.6.2.11	additional information	the following amino acids of the PotD protein are involved in binding of spermidine: Trp34, Thr35, Glu36, Tyr37, Ser83, Tyr85, Asp168, Glu171, Trp229	Escherichia coli	?	-	?
7.6.2.11	additional information	Trp255, Asp257, Tyr293 and Gln327	Escherichia coli	?	-	?
7.6.2.11	putrescine/out + ATP + H2O	higher affinity for spermidine than for putrescine	Escherichia coli	putrescine/in + ADP + phosphate	-	?
7.6.2.11	spermidine/out + ATP + H2O	-	Escherichia coli	spermidine/in + ADP + phosphate	-	?

Subunits

EC Number	Subunits	Comment	Organism
7.6.2.11	More	the enzyme is a ATP-binding cassette transporter	Escherichia coli

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Release 2023.1 (January 2023)