ID A0A2K5CMU6_AOTNA Unreviewed; 445 AA.
AC A0A2K5CMU6;
DT 28-MAR-2018, integrated into UniProtKB/TrEMBL.
DT 28-MAR-2018, sequence version 1.
DT 27-MAR-2024, entry version 27.
DE RecName: Full=Tubulin alpha chain {ECO:0000256|RuleBase:RU000352};
OS Aotus nancymaae (Ma's night monkey).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC Eutheria; Euarchontoglires; Primates; Haplorrhini; Platyrrhini; Aotidae;
OC Aotus.
OX NCBI_TaxID=37293 {ECO:0000313|Ensembl:ENSANAP00000010025.1, ECO:0000313|Proteomes:UP000233020};
RN [1] {ECO:0000313|Ensembl:ENSANAP00000010025.1}
RP IDENTIFICATION.
RG Ensembl;
RL Submitted (SEP-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|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 AlphaFoldDB; A0A2K5CMU6; -.
DR STRING; 37293.ENSANAP00000010025; -.
DR Ensembl; ENSANAT00000027823.1; ENSANAP00000010025.1; ENSANAG00000022993.1.
DR GeneTree; ENSGT00950000182825; -.
DR OMA; HEAIYDI; -.
DR Proteomes; UP000233020; Unplaced.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-KW.
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:SF251; TUBULIN ALPHA-1B 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 Acetylation {ECO:0000256|ARBA:ARBA00022990};
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490};
KW Cytoskeleton {ECO:0000256|ARBA:ARBA00023212};
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:UP000233020}.
FT DOMAIN 51..240
FT /note="Tubulin/FtsZ GTPase"
FT /evidence="ECO:0000259|SMART:SM00864"
FT DOMAIN 242..387
FT /note="Tubulin/FtsZ 2-layer sandwich"
FT /evidence="ECO:0000259|SMART:SM00865"
FT REGION 426..445
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 445 AA; 49210 MW; 95209187FF7C333D CRC64;
SLSQQCISIH VGQAGVQIGN ACWELYCLEH GIQPDGQMPS DKTIGGGDDS LNTFFSETGA
GKHVPRAVFV DLEPTVIDEV CTGTYRQLFH PEQLITGKED AANNYARGHY TIGKEIIDLV
LDRICKLGFL VFHSFGGGTG SGFTSLLMER LSVDYGKKSK LEFSIYPAPQ VSTAVVEPYN
SILATHTTLE HSDCAFMVDN EAIYDICCRN LDIERPTFTN LNHFISQIMS SITASPRFDG
ALNVDLTEFQ TNLVPYPCIH FPLATYAPVI SAEKAYHEQL SVAEITSACF EPANQMVKCD
TRHGKYMACC LLYRGDVVPK DVNAAIATIK TKRSIQFVDW CPTGFKVGIN YQPPTVVPGG
DLAKVQRAVC MLSNTTAIAE AWARLDHKFD LMYAKRAFVH WYMGEGMEEG EFSEAREDMA
ALEKDYEEVG VDSVEGEGEE EGEEY
//