Names & Taxonomy

Uniprot ID:
Q02505
Entry Name:
MUC3A_HUMAN
Status:
reviewed
Protein Names:
Mucin-3A (MUC-3A) (Intestinal mucin-3A)
Gene Names:
MUC3A MUC3
Gene Names Primary:
MUC3A
Organism:
Homo sapiens (Human)

Structure

Length:
3323
Sequence:
MQLLGLLGLLWMLKASPWATGTLSTATSISQVPFPRAEAASAVLSNSPHSRDLAGWPLGVPQLASPAPGHRENAPMTLTTSPHDTLISETLLNSPVSSNTSTTPTSKFAFKVETTPPTVLVYSATTECVYPTSFIITISHPTSICVTTTQVAFTSSYTSTPVTQKPVTTVTSTYSMTTTEKGTSAMTSSPSTTTARETPIVTVTPSSVSATDTTFHTTISSTTRTTERTPLPTGSIHTTTSPTPVFTTLKTAVTSTSPITSSITSTNTVTSMTTTASQPTATNTLSSPTRTILSSTPVLSTETITSGITNTTPLSTLVTTLPTTISRSTPTSETTYTTSPTSTVTDSTTKIAYSTSMTGTLSTETSLPPTSSSLPTTETATTPMTNLVTTTTEISSHSTPSFSSSTIYSTVSTSTTAISSLPPTSGTMVTSTTMTPSSLSTDIPFTTPTTITHHSVGSTGFLTTATDLTSTFTVSSSSAMSTSVIPSSPSIQNTETSSLVSMTSATTPNVRPTFVSTLSTPTSSLLTTFPATYSFSSSMSASSAGTTHTESISSPPASTSTLHTTAESTLAPTTTTSFTTSTTMEPPSTTAATTGTGQTTFTSSTATFPETTTPTPTTDMSTESLTTAMTSPPITSSVTSTNTVTSMTTTTSPPTTTNSFTSLTSMPLSSTPVPSTEVVTSGTINTIPPSILVTTLPTPNASSMTTSETTYPNSPTGPGTNSTTEITYPTTMTETSSTATSLPPTSPLVSTAKTAKTPTTNLVTTTTKTTSHSTTSFTSSTVYSTASTYTTAITSVPTTLGTMVTSTSMISSTVSTGIPTSQPTTITPSSVGISGSLPMMTDLTSVYTVSNMSARPTTVIPSSPTVQNTEISISVSMTSATTPSGGPTFTSTENTPTRSLLTSFPMTHSFSSSMSESSAGTTHTESISSPRGTTSTLHTTVESTPSPTTTTSFTTSTMMEPPSSTVSTTGRGQTTFPSSTATFPETTTLTPTTDISTVSLTTAMTSPPPVSSSITPTNTMTSMRTTTYWPTATNTLSPLTSSILSSTPVPSTEMITSHTTNTTPLSTLVTTLLTTITRSTPTSETTYPTSPTSIVSDSTTEITYSTSITGTLSTATTLPPTSSSLPTTETATMTPTTTLITTTPNTTSLSTPSFTSSTIYSTVSTSTTAISSASPTSGTMVTSTTMTPSSLSTDTPSTTPTTITYPSVGSTGFLTTATDLTSTFTVSSSSAMSTSVIPSSPSIQNTETSSLVSMTSATTPSLRPTITSTDSTLTSSLLTTFPSTYSFSSSMSASSAGTTHTETISSLPASTNTIHTTAESALAPTTTTSFTTSPTMEPPSTTVATTGTGQTTFPSSTATFLETTTLTPTTDFSTESLTTAMTSTPPITSSITPTDTMTSMRTTTSWPTATNTLSPLTSSILSSTPVPSTEVTTSHTTNTNPVSTLVTTLPITITRSTLTSETAYPSSPTSTVTESTTEITYPTTMTETSSTATSLPPTSSLVSTAETAKTPTTNLVTTTTKTTSHSTTSFTSSTIYSTASTPTTAITSVPTTLGTMVTSTSMIPSTVSTGIPTSQPTTITPSSVGISGSLPMMTDLTSVYTVSSMSARPTSVIPSSPTVQNTETSIFVSMMSATTPSGGPTFTSTENTPTRSLLTSFPVTHSFSSSMSASSVGTTHTQSISSPPAITSTLHTTAESTPSPTTTMSFTTFTKMETPSSTVATTGTGQTTFTSSTATSPKTTTLTPTSDISTGSFKTAVSSTPPITSSITSTYTVTSMTTTTPLGPTATNTLPSFTSSVSSSTPVPSTEAITSGTTNTTPLSTLVTTFSNSDTSSTPTSETTYPTSLTSALTDSTTRTTYSTNMTGTLSTVTSLRPTSSSLLTTVTATVPTTNLVTTTTKITSHSTPSFTSSIATTETPSHSTPRFTSSITTTETPSHSTPRFTSSITNTKTTSHSSPSFTSSITTTETTSHNTPSLTSSITTTKTTSHSTPSYTSLITTTTTTSHSTPSFTSSITTTETTSHNTPSLTSSITTTETTSHSTPSFTSSITTETTSHSTPSFTSLITITEITSHSTLSYTTSITTTETPSHSTLSFTSSITTTETTSHSTPSFTSSITTSEMPSHSTPSFTSSITTTENATHSTPNFTSSITTTETTSHSTPSFTSLITTTETTSHRWGTTETTSYSTPSFTSSNTITETTSHSTPSYITSITTTETPSSSTPSFSSSITTTETTSHSTPGFTSSITTTETTSHSTPSFTSSITTTETTSHDTPSFTSSITTSETPSHSTPSSTSLITTTKTTSHSTPSFTSSITTTETTSHSAHSFTSSITTTETTSHNTRSFTSSITTTETNSHSTTSFTSSITTTETTSHSTPSFSSSITTTETPLHSTPGLTSWVTTTKTTSHITPGLTSSITTTETTSHSTPGFTSSITTTETTSESTPSLSSSTIYSTVSTSTTAITSHFTTSETAVTPTPVTPSSLSTDIPTTSLRTLTPSSVGTSTSLTTTTDFPSIPTDISTLPTRTHIISSSPSIQSTETSSLVGTTSPTMSTVRMTLRITENTPISSFSTSIVVIPETPTQTPPVLTSATGTQTSPAPTTVTFGSTDSSTSTLHTLTPSTALSTIVSTSQVPIPSTHSSTLQTTPSTPSLQTSLTSTSEFTTESFTRGSTSTNAILTSFSTIIWSSTPTIIMSSSPSSASITPVFSTTIHSVPSSPYIFSTENVGSASITGFPSLSSSATTSTSSTSSSLTTALTEITPFSYISLPSTTPCPGTITITIVPASPTDPCVEMDPSTEATSPPTTPLTVFPFTTEMVTCPTSISIQTTLTTYMDTSSMMPESESSISPNASSSTGTGTVPTNTVFTSTRLPTSETWLSNSSVIPLPLPGVSTIPLTMKPSSSLPTILRTSSKSTHPSPPTTRTSETPVATTQTPTTLTSRRTTRITSQMTTQSTLTTTAGTCDNGGTWEQGQCACLPGFSGDRCQLQTRCQNGGQWDGLKCQCPSTFYGSSCEFAVEQVDLDVVETEVGMEVSVDQQFSPDLNDNTSQAYRDFNKTFWNQMQKIFADMQGFTFKGVEILSLRNGSIVVDYLVLLEMPFSPQLESEYEQVKTTLKEGLQNASQDVNSCQDSQTLCFKPDSIKVNNNSKTELTPAAICRRAAPTGYEEFYFPLVEATRLRCVTKCTSGVDNAIDCHQGQCVLETSGPTCRCYSTDTHWFSGPRCEVAVHWRALVGGLTAGAALLVLLLLALGVRAVRSGWWGGQRRGRSWDQDRKWFETWDEEVVGTFSNWGFEDDGTDKDTNFYVALENVDTTMKVHIKRPEMTSSSV
Proteomes:
UP000005640

Subcellular location

Subcellular Location:
Isoform 1: Membrane; Single-pass membrane protein

Function

Function:
Major glycoprotein component of a variety of mucus gels. Thought to provide a protective, lubricating barrier against particles and infectious agents at mucosal surfaces. May be involved in ligand binding and intracellular signaling.
Gene Ontology Go:
extracellular region
Golgi lumen
integral component of membrane
extracellular matrix constituent, lubricant activity
extracellular matrix structural constituent
cellular protein metabolic process
O-glycan processing
post-translational protein modification
protein O-linked glycosylation
Gene Ontology Biological Process:
cellular protein metabolic process
O-glycan processing
post-translational protein modification
protein O-linked glycosylation
Gene Ontology Molecular Function:
extracellular matrix constituent, lubricant activity
extracellular matrix structural constituent
Gene Ontology Cellular Component:
extracellular region
Golgi lumen
integral component of membrane
Keywords:
Alternative splicing
Complete proteome
Disulfide bond
EGF-like domain
Glycoprotein
Membrane
Polymorphism
Reference proteome
Repeat
Secreted
Signal
Transmembrane
Transmembrane helix

Publication

PubMed ID:
12853948 12958310 9334251 10512748 11289722 10405327 2393399 18669648