ID A0A1S3BZT0_CUCME Unreviewed; 450 AA.
AC A0A1S3BZT0;
DT 12-APR-2017, integrated into UniProtKB/TrEMBL.
DT 12-APR-2017, sequence version 1.
DT 27-MAR-2024, entry version 35.
DE RecName: Full=Tubulin alpha chain {ECO:0000256|RuleBase:RU000352};
GN Name=LOC103494831 {ECO:0000313|RefSeq:XP_008454421.1};
GN Synonyms=103494831 {ECO:0000313|EnsemblPlants:MELO3C018025.2.1};
OS Cucumis melo (Muskmelon).
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC rosids; fabids; Cucurbitales; Cucurbitaceae; Benincaseae; Cucumis.
OX NCBI_TaxID=3656 {ECO:0000313|Proteomes:UP000089565, ECO:0000313|RefSeq:XP_008454421.1};
RN [1] {ECO:0000313|Proteomes:UP000089565}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=cv. DHL92 {ECO:0000313|Proteomes:UP000089565};
RX PubMed=22753475; DOI=10.1073/pnas.1205415109;
RA Garcia-Mas J., Benjak A., Sanseverino W., Bourgeois M., Mir G.,
RA Gonzalez V.M., Henaff E., Camara F., Cozzuto L., Lowy E., Alioto T.,
RA Capella-Gutierrez S., Blanca J., Canizares J., Ziarsolo P.,
RA Gonzalez-Ibeas D., Rodriguez-Moreno L., Droege M., Du L.,
RA Alvarez-Tejado M., Lorente-Galdos B., Mele M., Yang L., Weng Y.,
RA Navarro A., Marques-Bonet T., Aranda M.A., Nuez F., Pico B., Gabaldon T.,
RA Roma G., Guigo R., Casacuberta J.M., Arus P., Puigdomenech P.;
RT "The genome of melon (Cucumis melo L.).";
RL Proc. Natl. Acad. Sci. U.S.A. 109:11872-11877(2012).
RN [2] {ECO:0000313|EnsemblPlants:MELO3C018025.2.1}
RP IDENTIFICATION.
RG EnsemblPlants;
RL Submitted (MAR-2023) to UniProtKB.
RN [3] {ECO:0000313|RefSeq:XP_008454421.1}
RP IDENTIFICATION.
RG RefSeq;
RL Submitted (NOV-2023) to UniProtKB.
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 -!- 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|RuleBase:RU000352}.
CC -!- SIMILARITY: Belongs to the tubulin family.
CC {ECO:0000256|ARBA:ARBA00009636, ECO:0000256|RuleBase:RU000352}.
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DR RefSeq; XP_008454421.1; XM_008456199.2.
DR EnsemblPlants; MELO3C018025.2.1; MELO3C018025.2.1; MELO3C018025.2.
DR GeneID; 103494831; -.
DR Gramene; MELO3C018025.2.1; MELO3C018025.2.1; MELO3C018025.2.
DR KEGG; cmo:103494831; -.
DR eggNOG; KOG1376; Eukaryota.
DR InParanoid; A0A1S3BZT0; -.
DR OrthoDB; 1206011at2759; -.
DR Proteomes; UP000089565; Unplaced.
DR Proteomes; UP000596662; Unplaced.
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; 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:SF443; TUBULIN ALPHA-6 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.
PE 3: Inferred from homology;
KW GTP-binding {ECO:0000256|ARBA:ARBA00023134, ECO:0000256|RuleBase:RU000352};
KW Hydrolase {ECO:0000256|ARBA:ARBA00022801};
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:UP000089565}.
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; 49579 MW; 52BCB83288EA1321 CRC64;
MRECISIHIG QAGIQVGNAC WELYCLEHGI QPDGQMPGDT TLGGGDDAFN TFFSETGAGK
HVPRAVFVDL EPTVIDEVRT GTYRQLFHPE QLISGKEDAA NNFARGHYTV GKEIVDLCLD
RIRKLADNCT GLQGFLVFNA VGGGTGSGLG SLLLERLSVD YGKKSKLGFT VYPSPQVSTS
VVEPYNSVLS THSLLEHTDV AVLLDNEAIY DICRRSLDIE RPNYSNLNRL VSQVISSLTA
SLRFDGALNV DVNEFQTNLV PYPRIHFMLS SYAPVISAEK AYHEQLSVAE ITNSAFEPSS
MMVKCDPRHG KYMACCLMYR GDVVPKDVNA AVATIKTKRT IQFVDWCPTG FKCGINYQPP
TVVPGGDLAR VQRAVCKISN STSVAEVFSR IDHKFDLMYA KRAFVHWYVG EGMEEGEFSE
AREDLAALEK DYEEVGAESA EGEDDEGEDY
//
