Sequence Cluster id id2 desc organism isHeteromeric 1 Singleton1 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