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ASH1

Gene
ash1
Protein
Histone-lysine N-methyltransferase ash1
Organism
Drosophila melanogaster
Length
2226 amino acids
Function
Trithorax group (TrxG) protein that has histone methyltransferase activity (PubMed:13679578, PubMed:16882982). Specifically trimethylates 'Lys-4' of histone H3, a specific tag for epigenetic transcriptional activation (PubMed:13679578, PubMed:16882982). TrxG proteins are generally required to maintain the transcriptionally active state of homeotic genes throughout development. Does not act as a coactivator required for transcriptional activation, but specifically prevents inappropriate Polycomb Group (PcG) silencing of homeotic genes in cells in which they must stay transcriptionally active (PubMed:15031712).
Similarity
Belongs to the class V-like SAM-binding methyltransferase superfamily. Histone-lysine methyltransferase family. SET2 subfamily.
Mass
246.266 kDa
Sequence
MSCSQNETAAAKVLETQRAQESGSENEETDSITDQSSQSKSIKSATQFSVQRSDTDGLRMRISAIRPTLGVVATKKPPKSRKMSTQDTESGCSEAKNRAVSKKVKVKRKKLASSSGISKSDKVSKSKKSQISAFSSDSEDDLPLKVHQQRAPRVLLSAIIQAAQSASKPTLDIGISSSDNELPNLVQAAIKRVESDTEDTTVEGSFRKAAKDKNLPQYQSTLLQDFMEKTQMLGQTVNAKLAEEKVAKAKEETLVQTAVPRKRRGRPKKVVPTVPAPGNSGPAINESADSGVISTTSTTQSTTPSPKMQNENAVPTGSLPIASSSKPKIDMAYLDKRMYATERVLYPPPRSKRRQNNKKTACSSSNKEELQLDPLWREIDVNKKFRLRSMSVGAASGTGASTTICSKVLAAKSGYVSDYGSVRHQRSSHNHNSGYKSDASCKSRYSTKSCMSRRSRAKSCGYRSDCKESGKSGLRMRRKRRASMLLKSSADDTVEDQDILQLAGLSLGQSSEESNEYISKPSLKSLPTTSASKKYGEINRYVTTGQYFGRGGSLSATNPDNFISKMMNQRKETPAPSKSSCKIKSRRSSAASMCSSYVSGVSRMRRRHRRKSFSHNKSLNIDSKLLTEIEIITSTFNSRCRIQDDRLTGSSGKEKLLADANKLQATLAAPSPAQQLTLNGGGPASTLSKPLKRGLKKRKLSEPLVDFAMLSASASGTPNGSGSSNGNTKRRHKKSQSNDSSSPDDHKLPLKKRHYLLTPGERPPAEVAFANGKLNAEAWAAAAAAAKSTASTKSQAQFNARSVKSALTPKKRHLLEQPTSVSGAGSSASNSPLRIVVDNNSISGGKLLDISPSSLCSLKQQRRGGAAKQKVSAAKDLVQLQSPAGSYPPPGVFEPSVELEIQIPLSKLNESVITKAEVESPLLSALDIKEDTKKEVGQRVVETLLHKTGGNLLLKRKRKKINRTGFPTVRRKKRKVSVEQQTTAVIDEHEPEFDPDDEPLQSLRETRSSNNVNVQAAPNPPLDCERVPQAGEARETFVARTNQKAPRLSVVALERLQRPQTPARGRPRGRKPKNREQAEAAPQPPPKSEPEIRPAKKRGRQPKQPVLEEPPPTPPPQQKKNKMEPNIRLPDGIDPNTNFSCKIRLKRRKNLEAGTQPKKEKPVQPVTVEEIPPEIPVSQEEIDAEAEAKRLDSIPTEHDPLPASESHNPGPQDYASCSESSEDKASTTSLRKLSKVKKTYLVAGLFSNHYKQSLMPPPAKVNKKPGLEEQVGPASLLPPPPYCEKYLRRTEMDFELPYDIWWAYTNSKLPTRNVVPSWNYRKIRTNVYAESVRPNLAGFDHPTCNCKNQGEKSCLDNCLNRMVYTECSPSNCPAGEKCRNQKIQRHAVAPGVERFMTADKGWGVRTKLPIAKGTYILEYVGEVVTEKEFKQRMASIYLNDTHHYCLHLDGGLVIDGQRMGSDCRFVNHSCEPNCEMQKWSVNGLSRMVLFAKRAIEEGEELTYDYNFSLFNPSEGQPCRCNTPQCRGVIGGKSQRVKPLPAVEAKPSGEGLSGRNGRQRKQKAKKHAQRQAGKDISSAVAVAKLQPLSEKEKKLVRQFNTFLVRNFEKIRRCKAKRASDAAATASSPALGTTNGDIPGRRPSTPSSPSLAAQISALCSPRNIKTRGLTQAVHDPELEKMAKMAVVLRDICSAMETLKMSDLLTTVSSKKKKPIKTTLSGKLGSTAATSKVEFRSIQAQVEQGHYKTPQEFDDHMQQLFVEAKQQHGDDEGKEKALQSLKDSYEQQKIASYVQLVEILGDSESLQSFKPKEVLSSEEEPGKIAVKKSPGAKERDSPIVPLKVTPPPLLPIEASPDEDVIRCICGLYKDEGLMIQCSKCMVWQHTECTKADIDADNYQCERCEPREVDREIPLEEFTEEGHRYYLSLMRGDLQVRQGDAVYVLRDIPIKDESGKVLPTKKHTYETIGAIDYQECDIFRVEHLWKNELGKRFIFGHHFLRPHETFHEPSRRFYPNEVVRVSLYEVVPIELVIGRCWVLDRTTFCKGRPMECNDEDHCYICELRVDKTARFFSKAKANHPACTKSYAFRKFPEKIKISKSYAPHDVDPSLLKTRKQKTELDVGAGPTTMHKVSGRQEQHQAKMVGRKPRGISAPADATAVHVVTPVAPNKQMLKKRKSRLENVLITMKLKCLDAQTAQEQPIDLSYLLSGRGARQRKTQQSSSSSTANST

Gene
ASH1
Protein
Transcriptional regulatory protein ASH1
Organism
Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
Length
588 amino acids
Function
Component of the RPD3C(L) histone deacetylase complex (HDAC). Responsible for the deacetylation of lysine residues on the N-terminal part of the core histones (H2A, H2B, H3 and H4). Histone deacetylation gives a tag for epigenetic repression and plays an important role in transcriptional regulation, cell cycle progression and developmental events. ASH1 is necessary to repress HO in daughter cells to block mating-type switching through its binding to HO promoter 5'-YTGAT-3' sites. Also involved in pseudohyphal growth.
Mass
65.685 kDa
Sequence
MSSLYIKTPLHALSAGPDSHANSSYYDNLLLPSFSNLSSNISRNNITTDNNINSASPRKYSFHSLNVSPILSPISLANEILGKKSNTAPASPHHMDYNPISSLTPGNSPEFNKASLSQISFTNPLNYGSGLGFSSNSQPRLPLLDRLSSVSLSKRPERPQQSLPSLRHLQLLPSPLLQENAARFPDTSKRTSNWKTDLTHWCKDTNYQDYVKIREEVAHFKPLSIPNLTNNQNNDSFNYGKELESTRSSKFHSPSKESFDRTKLIPSILEAKDQFKDLSNNAWSITPPVTPPMSPPTNRTMERTTLRGVEASFFEGKSSNNDSIFNPIISEKLVQEVKHQRQLRGNSFPMPNASHKKTNSFKALQIKKLLANRDILSNNSKSNVRKPSKNKISKQASNVFGNTARQLVMKLDNASYSSVSASSSPSPSTPTKSGKMRSRSSSPVRPKAYTPSPRSPNYHRFALDSPPQSPRRSSNSSITKKGSRRSSGSSPTRHTTRVCVSCHSSDSPCWRPSWSPRKQDQLCNSCGLRYKKTHTRCLNDLCRKIPTKGEINIMKSNGIDKEFVPERNCEIEGYRCLFCNYITETVEN

Gene
ash1
Protein
Hemolysin-1
Organism
Aeromonas salmonicida
Length
572 amino acids
Function
Bacterial hemolysins are exotoxins that attack blood cell membranes and cause cell rupture by mechanisms not clearly defined.
Mass
64.781 kDa
Sequence
MNIKKLSLCIFFATTQVHAFTQWGAGGITPMGHEWLTRTSALEVLNAEHKTSVDPNDPRNTWTSGLAKNIDISTADDEVAKIKSHTNDNSLYAPRSDAVYSAIVGQRWVDLGGMNVANNLISQTGPDCFDAVSQEPADIQQDHFMRRYDDNGQQGGVKSAQRGQERFITHFINAAMATNKRIVVWDGGGSSAKTDVDYNYFLFGRAVHLFQDSFSPEHVVRSPSDNYEKVRQVKAYICTEGAEQHAHSTGAVLDYTSGDVIWKVGTKTDTGWGGYKASNMKPVALVAMEASKDLWAAFMRTMSVDINEREKYARNEAQVLIDKWMSFDKDEMEHWYDNENNRDNTYVKVDGDTGKGKLQKECMSGLSAKNRYGATIKPKTQKELVDVLDDSRRYCLFNIEAEPGYADANDPYLNIPFNWRWKSNSWLVPNASWQQKQLDRDTGKIIKIKEFTNNQELTVDSIENNYSIVTGAKKPLSLVRVPGDGGKSFYLRSKDNPYLFFSYSDKKNGRIKLWHSPNQAEFEILPGNNIFNLKNTYWNQYVWYDKNSKGAYLTEKGSPDNASSKWIISEEN

Gene
ASH1
Protein
Transcriptional regulatory protein ASH1
Organism
Candida albicans (strain SC5314 / ATCC MYA-2876)
Length
449 amino acids
Function
Component of the RPD3C(L) histone deacetylase complex (HDAC). Responsible for the deacetylation of lysine residues on the N-terminal part of the core histones (H2A, H2B, H3 and H4). Histone deacetylation gives a tag for epigenetic repression and plays an important role in transcriptional regulation, cell cycle progression and developmental events (By similarity). Controls filamentous growth and required for full virulence in a mouse model of disseminated candidiasis.
Mass
50.418 kDa
Sequence
MSLVQSAMFNHHMGPSHTRSRSFELFQEAKTLRVAACKRSYSDDLNISTKRARTAPPSPPYETATPTRASRLVISNLVKPTSNLRSRSLSPNKKFSSPLSPSSSPIATVTSPISSPQNIKIKLPSISDALNLPPITSKEPVKLKPIVPTVSLDYFDTYKPNDENWRYGLLDKIAKESKHFHLNQYNYLNDHAKPSFDSKLSSKIQQSSIANGKKINFPYESNYTYLNKTYLNDVKNYPEYLELAAESLLQLKERQLPPPPLQSHQKQHPPPPPHLPVQGLLPVPAPPVSHFSSSYTTPQAPTFYHPPSQQQQQTPPPQTLHHQQPQPPISTHKFIPISPPSAKKSRSDLLKSPPKHHHHHAPRVCISCGSDQSPCWRPSWSIKQGQLCNSCGLRYKKTKARCLNDKCKKIPAKGEWTLMQSKGKETFEDGIEGYSCIACGWRVEVLPKS