Tubulin beta-1 chain
1_MREIV 6_ HIQIG 11_ QCGNQ 16_ IGAKF 21_ WEMIG 26_ EEHGI 31_ DLAGS 36_ DRGAS 41_ ALQLE 46_ RISVY 51_ YNEAY 56_ GRKYV 61_ PRAVL 66_ VDLEP 71_ GTMDS 76_ IRSSK 81_ LGALF 86_ QPDSF 91_ VHGNS 96_ GAGNN 101_ WAKGH 106_ YTEGA 111_ ELIEN 116_ VLEVV 121_ RHESE 126_ SCDCL 131_ QGFQI 136_ VHSLG 141_ GGTGS 146_ GMGTL 151_ LMNKI 156_ REEYP 161_ DRIMN 166_ SFSVM 171_ PSPKV 176_ SDTVV 181_ EPYNA 186_ VLSIH 191_ QLIEN 196_ ADACF 201_ CIDNE 206_ ALYDI 211_ CFRTL 216_ KLTTP 221_ TYGDL 226_ NHLVS 231_ LTMSG 236_ ITTSL 241_ RFPGQ 246_ LNADL 251_ RKLAV 256_ NMVPF 261_ PRLHF 266_ FMPGF 271_ APLTA 276_ QGSQQ 281_ YRALS 286_ VAELT 291_ QQMFD 296_ ARNTM 301_ AACDL 306_ RRGRY 311_ LTVAC 316_ IFRGK 321_ MSTKE 326_ VDQQL 331_ LSVQT 336_ RNSSC 341_ FVEWI 346_ PNNVK 351_ VAVCD 356_ IPPRG 361_ LSMAA 366_ TFIGN 371_ NTAIQ 376_ EIFNR 381_ VSEHF 386_ SAMFK 391_ RKAFV 396_ HWYTS 401_ EGMDI 406_ NEFGE 411_ AENNI 416_ HDLVS 421_ EYQQF 426_ QDAKA 431_ VLEED 436_ EEVTE 441_ EAEME 446_PEDKG
1: Tubulin is the major constituent of microtubules, a cylinder consisting of laterally associated linear protofilaments composed of alpha- and beta-tubulin heterodimers. Microtubules grow by the addition of GTP-tubulin dimers to the microtubule end, where a stabilizing cap forms. Below the cap, tubulin dimers are in GDP-bound state, owing to GTPase activity of alpha-tubulin