snRNA-activating protein complex subunit 3 (SNAPc subunit 3) (Proximal sequence element-binding transcription factor subunit beta) (PSE-binding factor subunit beta) (PTF subunit beta) (Small nuclear RNA-activating complex polypeptide 3) (snRNA-activating protein complex 50 kDa subunit) (SNAPc 50 kDa subunit)
1_MAEGS 6_ RGGPT 11_ CSGVG 16_ GRQDP 21_ VSGSG 26_ GCNFP 31_ EYELP 36_ ELNTR 41_ AFHVG 46_ AFGEL 51_ WRGRL 56_ RGAGD 61_ LSLRE 66_ PPASA 71_ LPGSQ 76_ AADSD 81_ REDAA 86_ VARDL 91_ DCSLE 96_ AAAEL 101_ RAVCG 106_ LDKLK 111_ CLEDG 116_ EDPEV 121_ IPENT 126_ DLVTL 131_ GVRKR 136_ FLEHR 141_ EETIT 146_ IDRAC 151_ RQETF 156_ VYEME 161_ SHAIG 166_ KKPEN 171_ SADMI 176_ EEGEL 181_ ILSVN 186_ ILYPV 191_ IFHKH 196_ KEHKP 201_ YQTML 206_ VLGSQ 211_ KLTQL 216_ RDSIR 221_ CVSDL 226_ QIGGE 231_ FSNTP 236_ DQAPE 241_ HISKD 246_ LYKSA 251_ FFYFE 256_ GTFYN 261_ DKRYP 266_ ECRDL 271_ SRTII 276_ EWSES 281_ HDRGY 286_ GKFQT 291_ ARMED 296_ FTFND 301_ LCIKL 306_ GFPYL 311_ YCHQG 316_ DCEHV 321_ IVITD 326_ IRLVH 331_ HDDCL 336_ DRTLY 341_ PLLIK 346_ KHWLW 351_ TRKCF 356_ VCKMY 361_ TARWV 366_ TNNDS 371_ FAPED 376_ PCFFC 381_ DVCFR 386_ MLHYD 391_ SEGNK 396_ LGEFL 401_ AYPYV 406_DPGTF
1: Part of the SNAPc complex required for the transcription of both RNA polymerase II and III small-nuclear RNA genes. Binds to the proximal sequence element (PSE), a non-TATA-box basal promoter element common to these 2 types of genes. Recruits TBP and BRF2 to the U6 snRNA TATA box