Synembryn-B (Brain synembryn) (hSyn) (Protein Ric-8B)
1_MDEER 6_ ALYIV 11_ RAGEA 16_ GAIER 21_ VLRDY 26_ SDKHR 31_ ATFKF 36_ ESTDE 41_ DKRKK 46_ LCEGI 51_ FKVLI 56_ KDIPT 61_ TCQVS 66_ CLEVL 71_ RILSR 76_ DKKVL 81_ VPVTT 86_ KENMQ 91_ ILLRL 96_ AKLNE 101_ LDDSL 106_ EKVSE 111_ FPVIV 116_ ESLKC 121_ LCNIV 126_ FNSQM 131_ AQQLS 136_ LELNL 141_ AAKLC 146_ NLLRK 151_ CKDRK 156_ FINDI 161_ KCFDL 166_ RLLFL 171_ LSLLH 176_ TDIRS 181_ QLRYE 186_ LQGLP 191_ LLTQI 196_ LESAF 201_ SIKWT 206_ DEYES 211_ AIDHN 216_ GPPLS 221_ PQETD 226_ CAIEA 231_ LKALF 236_ NVTVD 241_ SWKVH 246_ KESDS 251_ HQFRV 256_ MAAVL 261_ RHCLL 266_ IVGPT 271_ EDKTE 276_ ELHSN 281_ AVNLL 286_ SNVPV 291_ SCLDV 296_ LICPL 301_ THEET 306_ AQEAT 311_ TLDEL 316_ PSNKT 321_ AEKET 326_ VLKNN 331_ TMVYN 336_ GMNME 341_ AIHVL 346_ LNFME 351_ KRIDK 356_ GSSYR 361_ EGLTP 366_ VLSLL 371_ TECSR 376_ AHRNI 381_ RKFLK 386_ DQVLP 391_ PLRDV 396_ TNRPE 401_ VGSTV 406_ RNKLV 411_ RLMTH 416_ VDLGV 421_ KQIAA 426_ EFLFV 431_ LCKER 436_ VDSLL 441_ KYTGY 446_ GNAAG 451_ LLAAR 456_ GLLAG 461_ GRGDN 466_ WYSED 471_ EDTDT 476_ EEYKN 481_ AKPKE 486_ ELLKP 491_ MGLKP 496_ DGTIT 501_ PLEEA 506_ LNQYS 511_VIEET
1: Chaperone that specifically binds and folds nascent G(s) G-alpha proteins (GNAS and GNAL) prior to G protein heterotrimer formation, promoting their association with the plasma membrane (By similarity). Also acts as a guanine nucleotide exchange factor (GEF) for G(s) proteins by stimulating exchange of bound GDP for free GTP (By similarity). Acts as an important component for odorant signal transduction by mediating GNAL (G(olf)-alpha) folding, thereby promoting-dependent cAMP accumulation in olfactory sensory neurons (By similarity)