Signal recognition particle receptor subunit alpha (SR-alpha) (Docking protein alpha) (DP-alpha)
1_MLDFF 6_ TIFSK 11_ GGLVL 16_ WCFQG 21_ VSDSC 26_ TGPVN 31_ ALIRS 36_ VLLQE 41_ RGGNN 46_ SFTHE 51_ ALTLK 56_ YKLDN 61_ QFELV 66_ FVVGF 71_ QKILT 76_ LTYVD 81_ KLIDD 86_ VHRLF 91_ RDKYR 96_ TEIQQ 101_ QSALS 106_ LLNGT 111_ FDFQN 116_ DFLRL 121_ LREAE 126_ ESSKI 131_ RAPTT 136_ MKKFE 141_ DSEKA 146_ KKPVR 151_ SMIET 156_ RGEKP 161_ KEKAK 166_ NSKKK 171_ GAKKE 176_ GSDGP 181_ LATSK 186_ PVPAE 191_ KSGLP 196_ VGPEN 201_ GVELS 206_ KEELI 211_ RRKRE 216_ EFIQK 221_ HGRGM 226_ EKSNK 231_ STKSD 236_ APKEK 241_ GKKAP 246_ RVWEL 251_ GGCAN 256_ KEVLD 261_ YSTPT 266_ TNGTP 271_ EAALS 276_ EDINL 281_ IRGTG 286_ SGGQL 291_ QDLDC 296_ SSSDD 301_ EGAAQ 306_ NSTKP 311_ SATKG 316_ TLGGM 321_ FGMLK 326_ GLVGS 331_ KSLSR 336_ EDMES 341_ VLDKM 346_ RDHLI 351_ AKNVA 356_ ADIAV 361_ QLCES 366_ VANKL 371_ EGKVM 376_ GTFST 381_ VTSTV 386_ KQALQ 391_ ESLVQ 396_ ILQPQ 401_ RRVDM 406_ LRDIM 411_ DAQRR 416_ QRPYV 421_ VTFCG 426_ VNGVG 431_ KSTNL 436_ AKISF 441_ WLLEN 446_ GFSVL 451_ IAACD 456_ TFRAG 461_ AVEQL 466_ RTHTR 471_ RLSAL 476_ HPPEK 481_ HGGRT 486_ MVQLF 491_ EKGYG 496_ KDAAG 501_ IAMEA 506_ IAFAR 511_ NQGFD 516_ VVLVD 521_ TAGRM 526_ QDNAP 531_ LMTAL 536_ AKLIT 541_ VNTPD 546_ LVLFV 551_ GEALV 556_ GNEAV 561_ DQLVK 566_ FNRAL 571_ ADHSM 576_ AQTPR 581_ LIDGI 586_ VLTKF 591_ DTIDD 596_ KVGAA 601_ ISMTY 606_ ITSKP 611_ IVFVG 616_ TGQTY 621_ CDLRS 626_ LNAKA 631_VVAAL
1: Component of the signal recognition particle (SRP) complex receptor (SR) (PubMed:16439358). Ensures, in conjunction with the SRP complex, the correct targeting of the nascent secretory proteins to the endoplasmic reticulum membrane system (PubMed:16675701, PubMed:34020957). Forms a guanosine 5'-triphosphate (GTP)-dependent complex with the SRP subunit SRP54 (PubMed:34020957). SRP receptor compaction and GTPase rearrangement drive SRP-mediated cotranslational protein translocation into the ER (PubMed:34020957)