Transcription factor IIIB 90 kDa subunit (TFIIIB90) (hTFIIIB90) (B-related factor 1) (BRF-1) (hBRF) (TAF3B2) (TATA box-binding protein-associated factor, RNA polymerase III, subunit 2)
1_MTGRV 6_ CRGCG 11_ GTDIE 16_ LDAAR 21_ GDAVC 26_ TACGS 31_ VLEDN 36_ IIVSE 41_ VQFVE 46_ SSGGG 51_ SSAVG 56_ QFVSL 61_ DGAGK 66_ TPTLG 71_ GGFHV 76_ NLGKE 81_ SRAQT 86_ LQNGR 91_ RHIHH 96_ LGNQL 101_ QLNQH 106_ CLDTA 111_ FNFFK 116_ MAVSR 121_ HLTRG 126_ RKMAH 131_ VIAAC 136_ LYLVC 141_ RTEGT 146_ PHMLL 151_ DLSDL 156_ LQVNV 161_ YVLGK 166_ TFLLL 171_ ARELC 176_ INAPA 181_ IDPCL 186_ YIPRF 191_ AHLLE 196_ FGEKN 201_ HEVSM 206_ TALRL 211_ LQRMK 216_ RDWMH 221_ TGRRP 226_ SGLCG 231_ AALLV 236_ AARMH 241_ DFRRT 246_ VKEVI 251_ SVVKV 256_ CESTL 261_ RKRLT 266_ EFEDT 271_ PTSQL 276_ TIDEF 281_ MKIDL 286_ EEECD 291_ PPSYT 296_ AGQRK 301_ LRMKQ 306_ LEQVL 311_ SKKLE 316_ EVEGE 321_ ISSYQ 326_ DAIEI 331_ ELENS 336_ RPKAK 341_ GGLAS 346_ LAKDG 351_ STEDT 356_ ASSLC 361_ GEEDT 366_ EDEEL 371_ EAAAS 376_ HLNKD 381_ LYREL 386_ LGGAP 391_ GSSEA 396_ AGSPE 401_ WGGRP 406_ PALGS 411_ LLDPL 416_ PTAAS 421_ LGISD 426_ SIREC 431_ ISSQS 436_ SDPKD 441_ ASGDG 446_ ELDLS 451_ GIDDL 456_ EIDRY 461_ ILNES 466_ EARVK 471_ AELWM 476_ RENAE 481_ YLREQ 486_ REKEA 491_ RIAKE 496_ KELGI 501_ YKEHK 506_ PKKSC 511_ KRREP 516_ IQAST 521_ AREAI 526_ EKMLE 531_ QKKIS 536_ SKINY 541_ SVLRG 546_ LSSAG 551_ GGSPH 556_ REDAQ 561_ PEHSA 566_ SARKL 571_ SRRRT 576_ PASRS 581_ GADPV 586_ TSVGK 591_ RLRPL 596_ VSTQP 601_ AKKVA 606_ TGEAL 611_ LPSSP 616_ TLGAE 621_ PARPQ 626_ AVLVE 631_ SGPVS 636_ YHADE 641_ EADEE 646_ EPDEE 651_ DGEPC 656_ VSALQ 661_ MMGSN 666_ DYGCD 671_GDEDD
1: General activator of RNA polymerase which utilizes different TFIIIB complexes at structurally distinct promoters. The isoform 1 is involved in the transcription of tRNA, adenovirus VA1, 7SL and 5S RNA. Isoform 2 is required for transcription of the U6 promoter