Protein
D-serine transporter DsdX
Organism
Escherichia coli O6:H1 (strain CFT073 / ATCC 700928 / UPEC)
Function
Protein that allows transport of D-serine across the inner membrane, does not transport D-alanine nor probably glycine. Is probably a H(+) symporter, as CCCP inhibits transport. Transports D-serine more efficiently than CycA.
Similarity
Belongs to the GntP permease family.
Sequence
MHSQIWVVSTLLISIVLIVLTIVKFKFHPFLALLLASFFVGTMMGMGPLDMVNAIESGIGGTLGFLAAVIGLGTILGKMMEVSGAAERIGLTLQRCRWLSADVIMVLVGLICGITLFVEVGVVLLIPLAFSIAKKTNTSLLKLAIPLCTALMAVHCVVPPHPAALYVANKLGADIGSVIVYGLLVGLMASLIGGPLFLKFLGQRLPFKPVPTEFADLKVRDEKTLPSLGATLFTVLLPIALMLVKTIAELNMARESGLYTLLEFIGNPITATFIAVFVAYYVLGIRQHMSMGTMLTHTENGFGSIANILLIIGAGGAFNAILKSSSLADTLAVILSNMHMHPILLAWLVALILHAAVGSATVAMMGATAIVAPMLPLYPDISPEIIAIAIGSGAIGCTIVTDSLFWLVKQYCGATLNETFKYYTTATFIASVIALAGTFLLSFII