ABC-type oligopeptide transporter ABCB9 (EC 7.4.2.6) (ATP-binding cassette sub-family B member 9) (ATP-binding cassette transporter 9) (ABC transporter 9 protein) (hABCB9) (TAP-like protein) (TAPL)
1_MRLWK 6_ AVVVT 11_ LAFMS 16_ VDICV 21_ TTAIY 26_ VFSHL 31_ DRSLL 36_ EDIRH 41_ FNIFD 46_ SVLDL 51_ WAACL 56_ YRSCL 61_ LLGAT 66_ IGVAK 71_ NSALG 76_ PRRLR 81_ ASWLV 86_ ITLVC 91_ LFVGI 96_ YAMVK 101_ LLLFS 106_ EVRRP 111_ IRDPW 116_ FWALF 121_ VWTYI 126_ SLGAS 131_ FLLWW 136_ LLSTV 141_ RPGTQ 146_ ALEPG 151_ AATEA 156_ EGFPG 161_ SGRPP 166_ PEQAS 171_ GATLQ 176_ KLLSY 181_ TKPDV 186_ AFLVA 191_ ASFFL 196_ IVAAL 201_ GETFL 206_ PYYTG 211_ RAIDG 216_ IVIQK 221_ SMDQF 226_ STAVV 231_ IVCLL 236_ AIGSS 241_ FAAGI 246_ RGGIF 251_ TLIFA 256_ RLNIR 261_ LRNCL 266_ FRSLV 271_ SQETS 276_ FFDEN 281_ RTGDL 286_ ISRLT 291_ SDTTM 296_ VSDLV 301_ SQNIN 306_ VFLRN 311_ TVKVT 316_ GVVVF 321_ MFSLS 326_ WQLSL 331_ VTFMG 336_ FPIIM 341_ MVSNI 346_ YGKYY 351_ KRLSK 356_ EVQNA 361_ LARAS 366_ NTAEE 371_ TISAM 376_ KTVRS 381_ FANEE 386_ EEAEV 391_ YLRKL 396_ QQVYK 401_ LNRKE 406_ AAAYM 411_ YYVWG 416_ SGLTL 421_ LVVQV 426_ SILYY 431_ GGHLV 436_ ISGQM 441_ TSGNL 446_ IAFII 451_ YEFVL 456_ GDCME 461_ SVGSV 466_ YSGLM 471_ QGVGA 476_ AEKVF 481_ EFIDR 486_ QPTMV 491_ HDGSL 496_ APDHL 501_ EGRVD 506_ FENVT 511_ FTYRT 516_ RPHTQ 521_ VLQNV 526_ SFSLS 531_ PGKVT 536_ ALVGP 541_ SGSGK 546_ SSCVN 551_ ILENF 556_ YPLEG 561_ GRVLL 566_ DGKPI 571_ SAYDH 576_ KYLHR 581_ VISLV 586_ SQEPV 591_ LFARS 596_ ITDNI 601_ SYGLP 606_ TVPFE 611_ MVVEA 616_ AQKAN 621_ AHGFI 626_ MELQD 631_ GYSTE 636_ TGEKG 641_ AQLSG 646_ GQKQR 651_ VAMAR 656_ ALVRN 661_ PPVLI 666_ LDEAT 671_ SALDA 676_ ESEYL 681_ IQQAI 686_ HGNLQ 691_ KHTVL 696_ IIAHR 701_ LSTVE 706_ HAHLI 711_ VVLDK 716_ GRVVQ 721_ QGTHQ 726_ QLLAQ 731_ GGLYA 736_ KLVQR 741_ QMLGL 746_ QPAAD 751_ FTAGH 756_ NEPVA 761_NGSHK
1: ATP-dependent low-affinity peptide transporter which translocates a broad spectrum of peptides from the cytosol to the lysosomal lumen for degradation (PubMed:15863492, PubMed:17977821, PubMed:18434309, PubMed:22641697, PubMed:25646430, PubMed:30353140, PubMed:30877195, PubMed:31417173). Displays a broad peptide length specificity from 6-mer up to at least 59-mer peptides with an optimum of 23-mers (PubMed:15863492, PubMed:25646430). Binds and transports smaller and larger peptides with the same affinity (PubMed:31417173). Favors positively charged, aromatic or hydrophobic residues in the N- and C-terminal positions whereas negatively charged residues as well as asparagine and methionine are not favored (PubMed:15863492, PubMed:17977821, PubMed:18434309)