Sequence Cluster id id2 desc organism isHeteromeric 1 Cluster1 TCDB::Q55387 3.A.1.4.2 NatB aka SLR0559, component of Leucine/proline/alanine/serine/glycine (and possibly histidine) porter, NatABCDE heteromer 2 Cluster1 TCDB::Q8YVY4 3.A.1.4.6 NatB, component of The neutral amino acid permease, N-1 (transports pro, phe, leu, gly, ala, ser, gln and his, but gln and his are not transported via NatB) heteromer 3 Singleton1 SwissProt::P21175 BRAC_PSEAE Leucine-, isoleucine-, valine-, threonine-, and alanine-binding protein; LIVAT-BP; Leu/Ile/Val/Thr/Ala-binding protein Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1) heteromer 3 Singleton1 TCDB::P21175 3.A.1.4.8 Leucine-, isoleucine-, valine-, threonine-, and alanine-binding protein, component of Branched chain amino acid uptake transporter. Transports alanine Pseudomonas aeruginosa (strain ATCC 15692 / PAO1 / 1C / PRS 101 / LMG 12228) heteromer