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AKNA

Gene
AKNA
Protein
Microtubule organization protein AKNA
Organism
Homo sapiens
Length
1439 amino acids
Function
Centrosomal protein that plays a key role in cell delamination by regulating microtubule organization (By similarity). Required for the delamination and retention of neural stem cells from the subventricular zone during neurogenesis (By similarity). Also regulates the epithelial-to-mesenchymal transition in other epithelial cells (By similarity). Acts by increasing centrosomal microtubule nucleation and recruiting nucleation factors and minus-end stabilizers, thereby destabilizing microtubules at the adherens junctions and mediating constriction of the apical endfoot (By similarity). In addition, may also act as a transcription factor that specifically activates the expression of the CD40 receptor and its ligand CD40L/CD154, two cell surface molecules on lymphocytes that are critical for antigen-dependent-B-cell development (PubMed:11268217). Binds to A/T-rich promoters (PubMed:11268217). It is unclear how it can both act as a microtubule organizer and as a transcription factor; additional evidences are required to reconcile these two apparently contradictory functions (Probable).
Similarity
Belongs to the AKNA family.
Mass
155.139 kDa
Sequence
MASSETEIRWAEPGLGKGPQRRRWAWAEDKRDVDRSSSQSWEEERLFPNATSPELLEDFRLAQQHLPPLEWDPHPQPDGHQDSESGETSGEEAEAEDVDSPASSHEPLAWLPQQGRQLDMTEEEPDGTLGSLEVEEAGESSSRLGYEAGLSLEGHGNTSPMALGHGQARGWVASGEQASGDKLSEHSEVNPSVELSPARSWSSGTVSLDHPSDSLDSTWEGETDGPQPTALAETLPEGPSHHLLSPDGRTGGSVARATPMEFQDSSAPPAQSPQHATDRWRRETTRFFCPQPKEHIWKQTKTSPKPLPSRFIGSISPLNPQPRPTRQGRPLPRQGATLAGRSSSNAPKYGRGQLNYPLPDFSKVGPRVRFPKDESYRPPKSRSHNRKPQAPARPLIFKSPAEIVQEVLLSSGEAALAKDTPPAHPITRVPQEFQTPEQATELVHQLQEDYHRLLTKYAEAENTIDQLRLGAKVNLFSDPPQPNHSIHTGMVPQGTKVLSFTIPQPRSAEWWPGPAEDPQASAASGWPSARGDLSPSSLTSMPTLGWLPENRDISEDQSSAEQTQALASQASQFLAKVESFERLIQAGRLMPQDQVKGFQRLKAAHAALEEEYLKACREQHPAQPLAGSKGTPGRFDPRRELEAEIYRLGSCLEELKEHIDQTQQEPEPPGSDSALDSTPALPCLHQPTHLPAPSGQAPMPAIKTSCPEPATTTAAASTGPCPLHVNVEVSSGNSEVEDRPQDPLARLRHKELQMEQVYHGLMERYLSVKSLPEAMRMEEEEEGEEEEEEEGGGDSLEVDGVAATPGKAEATRVLPRQCPVQAEKSHGAPLEEATEKMVSMKPPGFQASLARDGHMSGLGKAEAAPPGPGVPPHPPGTKSAASHQSSMTSLEGSGISERLPQKPLHRGGGPHLEETWMASPETDSGFVGSETSRVSPLTQTPEHRLSHISTAGTLAQPFAASVPRDGASYPKARGSLIPRRATEPSTPRSQAQRYLSSPSGPLRQRAPNFSLERTLAAEMAVPGSEFEGHKRISEQPLPNKTISPPPAPAPAAAPLPCGPTETIPSFLLTRAGRDQAICELQEEVSRLRLRLEDSLHQPLQGSPTRPASAFDRPARTRGRPADSPATWGSHYGSKSTERLPGEPRGEEQIVPPGRQRARSSSVPREVLRLSLSSESELPSLPLFSEKSKTTKDSPQAARDGKRGVGSAGWPDRVTFRGQYTGHEYHVLSPKAVPKGNGTVSCPHCRPIRTQDAGGAVTGDPLGPPPADTLQCPLCGQVGSPPEADGPGSATSGAEKATTRRKASSTPSPKQRSKQAGSSPRPPPGLWYLATAPPAPAPPAFAYISSVPIMPYPPAAVYYAPAGPTSAQPAAKWPPTASPPPARRHRHSIQLDLGDLEELNKALSRAVQAAESVRSTTRQMRSSLSADLRQAHSLRGSCLF

Gene
Akna
Protein
Microtubule organization protein AKNA
Organism
Mus musculus
Length
1404 amino acids
Function
Centrosomal protein that plays a key role in cell delamination by regulating microtubule organization (PubMed:30787442). Required for the delamination and retention of neural stem cells from the subventricular zone during neurogenesis (PubMed:30787442). Also regulates the epithelial-to-mesenchymal transition in other epithelial cells (PubMed:30787442). Acts by increasing centrosomal microtubule nucleation and recruiting nucleation factors and minus-end stabilizers, thereby destabilizing microtubules at the adherens junctions and mediating constriction of the apical endfoot (PubMed:30787442). In addition, may also act as a transcription factor that specifically activates the expression of the CD40 receptor and its ligand CD40L/CD154, two cell surface molecules on lymphocytes that are critical for antigen-dependent-B-cell development (By similarity). Binds to A/T-rich promoters (By similarity). It is unclear how it can both act as a microtubule organizer and as a transcription factor; additional evidences are required to reconcile these two apparently contradictory functions (Probable).
Similarity
Belongs to the AKNA family.
Mass
153.123 kDa
Sequence
MASSGAKAQWVGPSLGQGPRRRRWAWAEEQDTDGRRDQGWGNSQSLPEAPSPELLEDFRRAQEHLPPLEWDPDMQDSEESSGEETEADDASSPEGSTVPLPWLSRSNQQLDMSEEELDEASGRPEVDLAGESCTELECEDQGDSSPPPPGQGPAKGWVTFIKQGSNYRPSEHLEAQPSVEHSRTKSWSSGTVSLRQPSDSLGSTWEGDTEVPQPSILPKALPQSPCHNFPHPGDRNGGDVAPATPTEFRDSLAAPAQNAECSAGTWGEETTSLPSSRPEDQTWKRTKTSPKPLPSRFTGSVSPLSTRLGAIKKVVPQHKQGATLAGHSSSQAPKYGRGRRLNYPLPDFSKVGPRVRFPKDENYRPPKSRGHNRQQGSTRPLIFKSPAEIVRDVLLSSGEASLAKESSLAHTITRVPQEFQTPEQATELVHQLQEDYHKLLTKYAEAENTIDQLRLGAKVHLYSDPPQPSQSFCSGSMPQGSKVLSFSIPQPRVAEWWPDPAQDPQASEATGWPFPRTDLSPSSSPGVATPGRLPQSQGIATDQPSTGQTQALTSQASRLLAKVQSFEELVLAGHLPPQDQIKSLEQLRAAHMALEAEYLQACREELLDPQLDASQGSPRTLNLCRELEAEIYHLGQRLEELQDHMDQTQRETEPCRPDLQDSTPTMSFLPQSAHLSMPSGPVSLPDGQTYQEPATTTTTSPGSSCTLPINKKLSLSIKTEESPRGLPVPLRDRTLQVEQDFHGLLERYLSVKSLPEALRDEDEDDLEEEEEEQDHQGPLEVDSPATAPGKTEAVRVPPGERPTQAEESHRDATQEDEEQMGPMKSPDFRPSMARDTYTPVLDTAEVAQRGTKAMVSHQSSLTSLEESRPSELLPRKALLRAGGPHTEEPWMVSPETDSGFVGSETSIVSPFTQTPEHRLSHVSTSGPSAQHLTASVPGDRTSHPKARGLMVPRRATETGIPRSRTQQHFSSLSSPGRGAQSCHLEETSVAKIAVPRSEFKRQKQISKQLLPSGRTSPDSAPAPTAASTPHGSAESTANLLLNRTERDQAIKDLQAEVSRLRLQLEDSLHRPHPDGPACVASAFNHSTQTQEKLGSSPSWGPHYGSKSTERLSREPNGVEPAEPMGRRRARSSSVPRDVPRLYLSSESESPAPRLSSEKSRTFEEHPEAAQWGTRPQSSSKRRERVSFRGQYTGQEYHILSPKAILKDSGTPSCPHCHPIRTQDTGSAVSRDTTRGSSAADTLRCALCGEVKSSAEADGSSSGPSEKNTPKKPSTPILKRKNRQTGSPVRMAPGLWYLAAAPPAPAPPALAYISSAPIMPYLPPTVYYAAPAPTSAQTASPQPARGPRRTRHSVQLGLNDLEELQAALREAAQAAENVRSTTRQLSRSLSADLRHARSLRGSCLF