Sodium-dependent neutral amino acid transporter B(0)AT2 (Sodium- and chloride-dependent neurotransmitter transporter NTT73) (Sodium-coupled branched-chain amino-acid transporter 1) (Solute carrier family 6 member 15) (Transporter v7-3)
1_MPKNS 6_ KVVKR 11_ ELDDD 16_ VTESV 21_ KDLLS 26_ NEDAA 31_ DDAFK 36_ TSELI 41_ VDGQE 46_ EKDTD 51_ VEEGS 56_ EVEDE 61_ RPAWN 66_ SKLQY 71_ ILAQV 76_ GFSVG 81_ LGNVW 86_ RFPYL 91_ CQKNG 96_ GGAYL 101_ LPYLI 106_ LLMVI 111_ GIPLF 116_ FLELS 121_ VGQRI 126_ RRGSI 131_ GVWNY 136_ ISPKL 141_ GGIGF 146_ ASCVV 151_ CYFVA 156_ LYYNV 161_ IIGWS 166_ LFYFS 171_ QSFQQ 176_ PLPWD 181_ QCPLV 186_ KNASH 191_ TFVEP 196_ ECEQS 201_ SATTY 206_ YWYRE 211_ ALNIS 216_ SSISE 221_ SGGLN 226_ WKMTI 231_ CLLAA 236_ WVMVC 241_ LAMIK 246_ GIQSS 251_ GKIIY 256_ FSSLF 261_ PYVVL 266_ ICFLI 271_ RAFLL 276_ NGSID 281_ GIRHM 286_ FTPKL 291_ EIMLE 296_ PKVWR 301_ EAATQ 306_ VFFAL 311_ GLGFG 316_ GVIAF 321_ SSYNK 326_ RDNNC 331_ HFDAV 336_ LVSFI 341_ NFFTS 346_ VLATL 351_ VVFAV 356_ LGFKA 361_ NVINE 366_ KCITQ 371_ NSETI 376_ MKFLK 381_ MGNIS 386_ QDIIP 391_ HHINL 396_ STVTA 401_ EDYHL 406_ VYDII 411_ QKVKE 416_ EEFPA 421_ LHLNS 426_ CKIEE 431_ ELNKA 436_ VQGTG 441_ LAFIA 446_ FTEAM 451_ THFPA 456_ SPFWS 461_ VMFFL 466_ MLVNL 471_ GLGSM 476_ FGTIE 481_ GIVTP 486_ IVDTF 491_ KVRKE 496_ ILTVI 501_ CCLLA 506_ FCIGL 511_ IFVQR 516_ SGNYF 521_ VTMFD 526_ DYSAT 531_ LPLLI 536_ VVILE 541_ NIAVC 546_ FVYGI 551_ DKFME 556_ DLKDM 561_ LGFAP 566_ SRYYY 571_ YMWKY 576_ ISPLM 581_ LLSLL 586_ IASVV 591_ NMGLS 596_ PPGYN 601_ AWIED 606_ KASEE 611_ FLSYP 616_ TWGLV 621_ VCVSL 626_ VVFAI 631_ LPVPV 636_ VFIVR 641_ RFNLI 646_ DDSSG 651_ NLASV 656_ TYKRG 661_ RVLKE 666_ PVNLE 671_ GDDTS 676_ LIHGK 681_ IPSEM 686_ PSPNF 691_ GKNIY 696_ RKQSG 701_ SPTLD 706_ TAPNG 711_ RYGIG 716_ YLMAD 721_IMPDM
1: Functions as a sodium-dependent neutral amino acid transporter. Exhibits preference for the branched-chain amino acids, particularly leucine, valine and isoleucine and methionine. Can also transport low-affinity substrates such as alanine, phenylalanine, glutamine and pipecolic acid. Mediates the saturable, pH-sensitive and electrogenic cotransport of proline and sodium ions with a stoichiometry of 1:1. May have a role as transporter for neurotransmitter precursors into neurons. In contrast to other members of the neurotransmitter transporter family, does not appear to be chloride-dependent