ID A0A176WE09_MARPO Unreviewed; 451 AA.
AC A0A176WE09;
DT 07-SEP-2016, integrated into UniProtKB/TrEMBL.
DT 07-SEP-2016, sequence version 1.
DT 22-FEB-2023, entry version 22.
DE RecName: Full=Tubulin alpha chain {ECO:0000256|RuleBase:RU000352};
GN ORFNames=AXG93_4510s1330 {ECO:0000313|EMBL:OAE31357.1};
OS Marchantia polymorpha subsp. ruderalis.
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Marchantiophyta;
OC Marchantiopsida; Marchantiidae; Marchantiales; Marchantiaceae; Marchantia.
OX NCBI_TaxID=1480154 {ECO:0000313|EMBL:OAE31357.1, ECO:0000313|Proteomes:UP000077202};
RN [1] {ECO:0000313|EMBL:OAE31357.1, ECO:0000313|Proteomes:UP000077202}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=cv. Tak-1 and cv. Tak-2 {ECO:0000313|Proteomes:UP000077202};
RC TISSUE=Whole gametophyte {ECO:0000313|EMBL:OAE31357.1};
RA Honkanen S., Jones V.A., Morieri G., Champion C., Hetherington A.J.,
RA Kelly S., Saint-Marcoux D., Proust H., Prescott H., Dolan L.;
RT "Mechanisms controlling the formation of the plant cell surface in tip-
RT growing cells are functionally conserved among land plants.";
RL Submitted (MAR-2016) 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 -!- 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}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:OAE31357.1}.
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DR EMBL; LVLJ01001114; OAE31357.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A176WE09; -.
DR OrthoDB; 1206011at2759; -.
DR Proteomes; UP000077202; Unassembled WGS sequence.
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:SF416; TUBULIN ALPHA 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:UP000077202}.
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 451 AA; 49803 MW; 3A8A5B91038582E1 CRC64;
MRECISIHIG QAGIQVGNAC WELYCLEHGI QPDGQMPSDK VAGGGDDAFN TFFTETGSGK
HVPRAIFLDL EPTVIDEVRT GSYQQLFHPE QLISGKEDAA NNFARGHYTV GKEIVDLCLD
RIRKLADNCT GLQGFLVFHA VGGGTGSGLG SLLLERLSVD YGKKSKLGFT VFPSPQVSTA
VVEPYNSVLS THSLLEHTDV SVLLDNEAIY DICRRSLDTE RPTYTNLNRL ISQVISSLTA
SLRFDGALNV DITEFQTNLV PYPRIHFMLS SYAPVISAEK AYHEQLSVAE ITNSAFEPSS
MMAKCDPRHG KYMACCMMYR GDVVPKDVNS AVATIKCKKT IQFVDWCPTG FKCGINYQPP
TVVPGGDLAK VQRAVCMISN STSVAEVFSR IDHKFDLMYA KRAFVHWYVG EGMEEGEFSE
AREDLAALEK DYEEVGSDSF HDVFEDEVGD F
//