ID A0A2T7EXR8_9POAL Unreviewed; 450 AA.
AC A0A2T7EXR8;
DT 18-JUL-2018, integrated into UniProtKB/TrEMBL.
DT 18-JUL-2018, sequence version 1.
DT 27-MAR-2024, entry version 17.
DE RecName: Full=Tubulin alpha chain {ECO:0000256|RuleBase:RU000352};
GN ORFNames=GQ55_2G408900 {ECO:0000313|EMBL:PUZ72614.1};
OS Panicum hallii var. hallii.
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Magnoliopsida; Liliopsida; Poales; Poaceae; PACMAD clade;
OC Panicoideae; Panicodae; Paniceae; Panicinae; Panicum;
OC Panicum sect. Panicum.
OX NCBI_TaxID=1504633 {ECO:0000313|EMBL:PUZ72614.1, ECO:0000313|Proteomes:UP000244336};
RN [1] {ECO:0000313|EMBL:PUZ72614.1, ECO:0000313|Proteomes:UP000244336}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=cv. HAL2 {ECO:0000313|Proteomes:UP000244336};
RA Lovell J., Jenkins J., Lowry D., Mamidi S., Sreedasyam A., Weng X.,
RA Barry K., Bonette J., Campitelli B., Daum C., Gordon S., Gould B.,
RA Lipzen A., MacQueen A., Palacio-Mejia J., Plott C., Shakirov E., Shu S.,
RA Yoshinaga Y., Zane M., Rokhsar D., Grimwood J., Schmutz J., Juenger T.;
RT "WGS assembly of Panicum hallii var. hallii HAL2.";
RL Submitted (APR-2018) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Tubulin is the major constituent of microtubules, a cylinder
CC consisting of laterally associated linear protofilaments composed of
CC alpha- and beta-tubulin heterodimers. Microtubules grow by the addition
CC of GTP-tubulin dimers to the microtubule end, where a stabilizing cap
CC forms. Below the cap, tubulin dimers are in GDP-bound state, owing to
CC GTPase activity of alpha-tubulin. {ECO:0000256|ARBA:ARBA00034296,
CC ECO:0000256|RuleBase:RU000352}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=GTP + H2O = GDP + H(+) + phosphate; Xref=Rhea:RHEA:19669,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:37565,
CC ChEBI:CHEBI:43474, ChEBI:CHEBI:58189;
CC Evidence={ECO:0000256|ARBA:ARBA00001702};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:19670;
CC Evidence={ECO:0000256|ARBA:ARBA00001702};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|ARBA:ARBA00001946};
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. {ECO:0000256|ARBA:ARBA00011747,
CC ECO:0000256|RuleBase:RU000352}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm, cytoskeleton
CC {ECO:0000256|ARBA:ARBA00004245}.
CC -!- SIMILARITY: Belongs to the tubulin family.
CC {ECO:0000256|ARBA:ARBA00009636, ECO:0000256|RuleBase:RU000352}.
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DR EMBL; CM009750; PUZ72614.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A2T7EXR8; -.
DR SMR; A0A2T7EXR8; -.
DR STRING; 1504633.A0A2T7EXR8; -.
DR EnsemblPlants; PUZ72614; PUZ72614; GQ55_2G408900.
DR Gramene; PUZ72614; PUZ72614; GQ55_2G408900.
DR Proteomes; UP000244336; Chromosome 2.
DR GO; GO:0005874; C:microtubule; IEA:UniProtKB-KW.
DR GO; GO:0005525; F:GTP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0016787; F:hydrolase activity; IEA:UniProtKB-KW.
DR GO; GO:0005200; F:structural constituent of cytoskeleton; IEA:InterPro.
DR GO; GO:0007017; P:microtubule-based process; IEA:InterPro.
DR CDD; cd02186; alpha_tubulin; 1.
DR Gene3D; 1.10.287.600; Helix hairpin bin; 1.
DR Gene3D; 3.30.1330.20; Tubulin/FtsZ, C-terminal domain; 1.
DR Gene3D; 3.40.50.1440; Tubulin/FtsZ, GTPase domain; 1.
DR InterPro; IPR002452; Alpha_tubulin.
DR InterPro; IPR013838; Beta-tubulin_BS.
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; IPR017975; Tubulin_CS.
DR InterPro; IPR003008; Tubulin_FtsZ_GTPase.
DR PANTHER; PTHR11588; TUBULIN; 1.
DR PANTHER; PTHR11588:SF48; TUBULIN ALPHA-1 CHAIN; 1.
DR Pfam; PF00091; Tubulin; 1.
DR Pfam; PF03953; Tubulin_C; 1.
DR PRINTS; PR01162; ALPHATUBULIN.
DR PRINTS; PR01161; TUBULIN.
DR SMART; SM00864; Tubulin; 1.
DR SMART; SM00865; Tubulin_C; 1.
DR SUPFAM; SSF55307; Tubulin C-terminal domain-like; 1.
DR SUPFAM; SSF52490; Tubulin nucleotide-binding domain-like; 1.
DR PROSITE; PS00227; TUBULIN; 1.
DR PROSITE; PS00228; TUBULIN_B_AUTOREG; 1.
PE 3: Inferred from homology;
KW GTP-binding {ECO:0000256|ARBA:ARBA00023134, ECO:0000256|RuleBase:RU000352};
KW Hydrolase {ECO:0000256|ARBA:ARBA00022801};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842};
KW Microtubule {ECO:0000256|ARBA:ARBA00022701, ECO:0000256|RuleBase:RU000352};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741,
KW ECO:0000256|RuleBase:RU000352};
KW Reference proteome {ECO:0000313|Proteomes:UP000244336}.
FT DOMAIN 49..246
FT /note="Tubulin/FtsZ GTPase"
FT /evidence="ECO:0000259|SMART:SM00864"
FT DOMAIN 248..393
FT /note="Tubulin/FtsZ 2-layer sandwich"
FT /evidence="ECO:0000259|SMART:SM00865"
SQ SEQUENCE 450 AA; 49613 MW; 114BC2CE166F0931 CRC64;
MREIISIHIG QAGIQVGNAC WELYCLEHGI EPDGTMPSDT SVGVAHDAFN TFFSETGSGK
HVPRAIFVDL EPTVIDEVRT GSYRQLFHPE QLISGKEDAA NNFARGHYTV GKEIVDLCLD
RVRKLADNCT GLQGFLVFNA VGGGTGSGLG SLLLERLSVD YGKKSKLGFT IYPSPQVSTA
VVEPYNSVLS THSLLEHTDV AVLLDNEAIY DICRRSLDIE RPTYTNLNRL ISQIISSLTT
SLRFDGAINV DVTEFQTNLV PYPRIHFMLS SYAPVISAEK AYHEQLSVPE ITNAVFEPSS
MMAKCDPRHG KYMACCLMYR GDVVPKDVNA AVATIKTKRT VQFVDWCPTG FKCGINYQPP
SVVPGGDLAK VQRAVCMISN NTAVAEVFSR IDHKFDLMYA KRAFVHWYVG EGMEEGEFSE
AREDLAALEK DYEEVGAEGA DDEGDEGEDY
//