Protein
Nitrate/nitrite transporter NrtP
Organism
Nostoc punctiforme (strain ATCC 29133 / PCC 73102)
Function
Transport system for both nitrate and nitrite, with much higher affinity for nitrate than for nitrite.
Similarity
Belongs to the major facilitator superfamily. Nitrate/nitrite porter (TC 2.A.1.8) family.
Sequence
MLKKLFSFSDRYRILHQTWFAFFLTFVCWFNFAPFATTIGKELHLAPEQIKTLGICNLALTIPARLIIGMLLDRFGPRITYSILLMFAVVPCLATALAQDFNQLVISRLLMGIVGSGFVVGIRMVAEWFQPKEMGIAQGIYGGWGNFGAFGAEFALPILAISTSFFSGGASNWRLAIALVGIITAIYGVIYYNTVQDTPRGKVYKKPKKNGSLEVTSIKSFWAMMISNFGLIFALGLLAWRLEQKKIHFLTLSQMYLTWLVLAGLFAYQSYKAWQVNRELLTGKKTYPVSERFQFGQVALLEFTYITNFGSELAAVSMLPAFFEKTFGLEHVVAGMIAATYPFLNLVSRPSGGLISDKFGSRKWTMTIISVGIGVSYLMAHFINSNWPIPVAIAVTMFAAYFAQAGCGATYSIVPMIKKEATGQIAGNVGAYGNFGGVVYLTIFSLTDAPTLFSTMGIAALICAFMCAFFLKEPKGSFAPAYEGEASETATKSSVFLTEE