ID   TBB1_MAIZE              Reviewed;         446 AA.
AC   P18025;
DT   01-NOV-1990, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1990, sequence version 1.
DT   03-AUG-2022, entry version 128.
DE   RecName: Full=Tubulin beta-1 chain;
DE   AltName: Full=Beta-1-tubulin;
GN   Name=TUBB1; Synonyms=TUB1;
OS   Zea mays (Maize).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; Liliopsida; Poales; Poaceae; PACMAD clade;
OC   Panicoideae; Andropogonodae; Andropogoneae; Tripsacinae; Zea.
OX   NCBI_TaxID=4577;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=cv. Wisconsin 22;
RX   PubMed=2103487; DOI=10.1007/bf00039438;
RA   Hussey P.J., Haas N., Hunsperger J., Larkin J., Snustad D.P., Silflow C.D.;
RT   "The beta-tubulin gene family in Zea mays: two differentially expressed
RT   beta-tubulin genes.";
RL   Plant Mol. Biol. 15:957-972(1990).
CC   -!- FUNCTION: Tubulin is the major constituent of microtubules. It binds
CC       two moles of GTP, one at an exchangeable site on the beta chain and one
CC       at a non-exchangeable site on the alpha chain.
CC   -!- SUBUNIT: Dimer of alpha and beta chains. A typical microtubule is a
CC       hollow water-filled tube with an outer diameter of 25 nm and an inner
CC       diameter of 15 nM. Alpha-beta heterodimers associate head-to-tail to
CC       form protofilaments running lengthwise along the microtubule wall with
CC       the beta-tubulin subunit facing the microtubule plus end conferring a
CC       structural polarity. Microtubules usually have 13 protofilaments but
CC       different protofilament numbers can be found in some organisms and
CC       specialized cells.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm, cytoskeleton.
CC   -!- TISSUE SPECIFICITY: Found in areas of rapidly dividing tissues.
CC   -!- SIMILARITY: Belongs to the tubulin family. {ECO:0000305}.
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DR   EMBL; X52878; CAA37060.1; -; Genomic_DNA.
DR   PIR; S14701; S14701.
DR   AlphaFoldDB; P18025; -.
DR   SMR; P18025; -.
DR   STRING; 4577.GRMZM2G164696_P01; -.
DR   PaxDb; P18025; -.
DR   ProMEX; P18025; -.
DR   MaizeGDB; 24940; -.
DR   eggNOG; KOG1375; Eukaryota.
DR   Proteomes; UP000007305; Unplaced.
DR   ExpressionAtlas; P18025; baseline and differential.
DR   GO; GO:0005737; C:cytoplasm; IBA:GO_Central.
DR   GO; GO:0005874; C:microtubule; IBA:GO_Central.
DR   GO; GO:0005525; F:GTP binding; IBA:GO_Central.
DR   GO; GO:0005200; F:structural constituent of cytoskeleton; IBA:GO_Central.
DR   GO; GO:0000226; P:microtubule cytoskeleton organization; IBA:GO_Central.
DR   GO; GO:0007017; P:microtubule-based process; IEA:InterPro.
DR   GO; GO:0000278; P:mitotic cell cycle; IBA:GO_Central.
DR   Gene3D; 1.10.287.600; -; 1.
DR   Gene3D; 3.30.1330.20; -; 1.
DR   Gene3D; 3.40.50.1440; -; 1.
DR   InterPro; IPR013838; Beta-tubulin_BS.
DR   InterPro; IPR002453; Beta_tubulin.
DR   InterPro; IPR008280; Tub_FtsZ_C.
DR   InterPro; IPR000217; Tubulin.
DR   InterPro; IPR037103; Tubulin/FtsZ-like_C.
DR   InterPro; IPR018316; Tubulin/FtsZ_2-layer-sand-dom.
DR   InterPro; IPR036525; Tubulin/FtsZ_GTPase_sf.
DR   InterPro; IPR023123; Tubulin_C.
DR   InterPro; IPR003008; Tubulin_FtsZ_GTPase.
DR   PANTHER; PTHR11588; PTHR11588; 1.
DR   Pfam; PF00091; Tubulin; 1.
DR   Pfam; PF03953; Tubulin_C; 1.
DR   PRINTS; PR01163; BETATUBULIN.
DR   PRINTS; PR01161; TUBULIN.
DR   SMART; SM00864; Tubulin; 1.
DR   SMART; SM00865; Tubulin_C; 1.
DR   SUPFAM; SSF52490; SSF52490; 1.
DR   SUPFAM; SSF55307; SSF55307; 1.
DR   PROSITE; PS00228; TUBULIN_B_AUTOREG; 1.
PE   2: Evidence at transcript level;
KW   Cytoplasm; Cytoskeleton; GTP-binding; Microtubule; Nucleotide-binding;
KW   Reference proteome.
FT   CHAIN           1..446
FT                   /note="Tubulin beta-1 chain"
FT                   /id="PRO_0000048355"
FT   REGION          422..446
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        428..446
FT                   /note="Acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   BINDING         140..146
FT                   /ligand="GTP"
FT                   /ligand_id="ChEBI:CHEBI:37565"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   446 AA;  49962 MW;  9A32D43927A21297 CRC64;
     MREILHIQGG QCGNQIGAKF WEVVCAEHGI DATGRYGGDS DLQLERVNVY YNEASCGRFV
     PRAVLMDLEP GTMDSVRSGP YGHIFRPDNF VFGQSGAGNN SAKGHYTEGA ELIDSVLDVV
     RKEAENCDCL QGFQVCHSLG GGTGSAMGTL LISKIREEYP DRMMLTFSVF PSPKVSDTVV
     EPYNATLSVH QLVENADECM VLDNEALYDI CFRTLKLTTP SFGDLNHLIS ATMSGVTCCL
     RFPGQLNSDL RKLAVNLIPF PRLHFFMVGF APLTSRGSQQ YRALTVPELT QQMWDAKNMM
     CAADPRHGRY LTASAMFRGK MSTKEVDEQM LNVQNKNSSY FVEWIPNNVK STVCDIPPHG
     LKMASTFIGN STSIQEMFRR VSEQFTAMFR RKAFLHWYTG EGMDEMEFTE AESNMNDLVS
     EYQQYQDATA DEEGEYEDEE EGDLQD