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UniProtKB/Swiss-Prot entry P98084


[Entry info] [Name and origin] [References] [Comments] [Cross-references] [Keywords] [Features] [Sequence] [Tools]

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Entry information
Entry name APBA2_MOUSE
Primary accession number P98084
Secondary accession number Q6PAJ2
Integrated into Swiss-Prot on February 1, 1996
Sequence was last modified on July 19, 2005 (Sequence version 2)
Annotations were last modified on    July 22, 2008 (Entry version 55)
Name and origin of the protein
Protein name Amyloid beta A4 precursor protein-binding family A member 2
Synonyms Neuron-specific X11L protein
Neuronal Munc18-1-interacting protein 2
Mint-2
Adapter protein X11beta
Gene name
Name: Apba2
Synonyms: X11l
From
Mus musculus (Mouse) [TaxID: 10090] 
Taxonomy Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Glires; Rodentia; Sciurognathi; Muroidea; Muridae; Murinae; Mus.
Protein existence 1: Evidence at protein level;
References
[1]
NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
STRAIN=C57BL/6;
TISSUE=Brain;
DOI=10.1101/gr.2596504; PubMed=15489334 [NCBI, ExPASy, EBI, Israel, Japan]
The MGC Project Team;
"The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC).";
Genome Res. 14:2121-2127(2004).
[2]
NUCLEOTIDE SEQUENCE [MRNA] OF 70-750.
TISSUE=Brain;
DOI=10.1007/BF00350899; PubMed=7719031 [NCBI, ExPASy, EBI, Israel, Japan]
Duclos F., Koenig M.;
"Comparison of primary structure of a neuron-specific protein, X11, between human and mouse.";
Mamm. Genome 6:57-58(1995).
[3]
PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-209, AND MASS SPECTROMETRY.
TISSUE=Brain;
DOI=10.1074/mcp.M400085-MCP200; PubMed=15345747 [NCBI, ExPASy, EBI, Israel, Japan]
Ballif B.A., Villen J., Beausoleil S.A., Schwartz D., Gygi S.P.;
"Phosphoproteomic analysis of the developing mouse brain.";
Mol. Cell. Proteomics 3:1093-1101(2004).
Comments
  • FUNCTION: Putative function in synaptic vesicle exocytosis by binding to STXBP1, an essential component of the synaptic vesicle exocytotic machinery. May modulate processing of the beta-amyloid precursor protein (APP) and hence formation of beta-APP.
  • SUBUNIT: Part of a multimeric complex containing STXBP1 and syntaxin-1. Binds to the cytoplasmic domain of amyloid protein beta, and to the nuclear factor NF-kappa-B/p65 via its PDZ domain. Interacts with the amino-terminal domain of APBA2BP (By similarity).
  • INTERACTION:
    P12023:App; NbExp=1; IntAct=EBI-81669, EBI-78814;
  • TISSUE SPECIFICITY: Specifically expressed in neurons, predominantly of the cerebellum, hippocampus, and spinal cord. Lesser extent in neurons of the cerebral cortex and anterior thalmic nuclei.
  • DOMAIN: Composed of an N-terminal domain that binds STXBP1, a middle phosphotyrosine-binding domain (PID/PTB) that mediates binding with the cytoplasmic domain of the beta-amyloid precursor protein, and two C-terminal PDZ domains thought to attach proteins to the plasma membrane.
  • SIMILARITY: Contains 2 PDZ (DHR) domains.
  • SIMILARITY: Contains 1 PID domain.
  • CAUTION: Was originally (PubMed:15489334) thought to be the ortholog of human X11 (APBA1).
Copyright
Copyrighted by the UniProt Consortium, see http://www.uniprot.org/terms. Distributed under the Creative Commons Attribution-NoDerivs License.
Cross-references
Sequence databases
EMBL
BC060269; AAH60269.1; -; mRNA.[EMBL / GenBank / DDBJ] [CoDingSequence]
BC057620; AAH57620.1; -; mRNA.[EMBL / GenBank / DDBJ] [CoDingSequence]
L34676; AAA73936.1; -; mRNA.[EMBL / GenBank / DDBJ] [CoDingSequence]
RefSeq NP_031487.1; -.
UniGene Mm.4657
3D structure databases
HSSP Q02410; 1AQC. [HSSP ENTRY / PDB]
SMR P98084; 568-750.
ModBase P98084.
Protein-protein interaction databases
IntAct P98084; -.
PTM databases
PhosphoSite P98084; -.
Organism-specific databases
MGI MGI:1261791; Apba2.
Gene expression databases
ArrayExpress P98084; -.
GermOnline ENSMUSG00000030519; Mus musculus.
Ontologies
GO
GO:0005515; Molecular function: protein binding (inferred from physical interaction from IntAct).
QuickGo view.
Family and domain databases
InterPro IPR001478; PDZ.
IPR011993; PH_type.
IPR006020; PTB_PID.
Graphical view of domain structure.
Gene3D G3DSA:2.30.29.30; PH_type; 1.
Pfam PF00595; PDZ; 2.
PF00640; PID; 1.
Pfam graphical view of domain structure.
SMART SM00228; PDZ; 2.
SM00462; PTB; 1.
SMART graphical view of domain structure.
PROSITE PS50106; PDZ; 2.
PS01179; PID; 1.
PROSITE graphical view of domain structure (profiles).
BLOCKS P98084.
Genome annotation databases
Ensembl ENSMUSG00000030519; Mus musculus. [Contig view]
GeneID 11784; -.
KEGG mmu:11784; -.
Phylogenomic databases
HOGENOM P98084; -.
HOVERGEN P98084; -.
Other
SOURCE Apba2; Mus musculus.
ProtoNet P98084.
UniRef View cluster of proteins with at least 50% / 90% / 100% identity.
Keywords
Phosphoprotein; Protein transport; Repeat; Transport.
Features
SEVIEWER logo Feature table viewer FT aligner logo Feature aligner
KeyFrom   To Length Description FTId
CHAIN   1   750  750     Amyloid beta A4 precursor protein-binding family A member 2. PRO_0000064617
DOMAIN   367   556  190     PID. 
DOMAIN   569   654  86     PDZ 1. 
DOMAIN   660   736  77     PDZ 2. 
REGION   185   271  87     STXBP1-binding. 
MOD_RES   209   209        Phosphoserine. 
CONFLICT   313   313        K -> M (in Ref. 2; AAA73936). 
CONFLICT   388   388        N -> T (in Ref. 2; AAA73936). 
CONFLICT   402   402        V -> A (in Ref. 2; AAA73936). 
CONFLICT   677   679        QNG -> RW (in Ref. 2; AAA73936). 
CONFLICT   688   690        GIA -> VLQ (in Ref. 2; AAA73936). 
Sequence information
Length: 750 AA [This is the length of the unprocessed precursor] Molecular weight: 82758 Da [This is the MW of the unprocessed precursor] CRC64: FC231C966DB467DE [This is a checksum on the sequence]
        10         20         30         40         50         60 
MAHRKRQSTA SSMLDHRARP GPIPHDQEPE SEDTELPLES YVPTGLELGT LRPESPTPEE 

        70         80         90        100        110        120 
QECHNHSPDG DSSSDYVNNT SEEEDYDEGL PEEEEGVTYY IRYCPEDDSY LEGMDCNGEE 

       130        140        150        160        170        180 
YIAHGAHPVD TDECQEAVED WTDSVGPHTH SHGAENSQEY PDGHLPIPED DPTVLEVHDQ 

       190        200        210        220        230        240 
EEDGHYCSSK ESYQDYYPPE TNGNTGGASP YRMRRGDGDL EEQEEDIDQI VAEIKMSLSM 

       250        260        270        280        290        300 
TSITSASEAS PEHMPELDPG DSTEACPPSD TGHGPGRQEA RPKSLNLPPE VKHPGDLQRG 

       310        320        330        340        350        360 
LKTKTRTPEE RPKWPQEQVC NGLEQPRKQQ RSDLNGPTDN NNIPETKKVA SFPSFVAVPG 

       370        380        390        400        410        420 
PCEAEDLIDG IIFAANYLGS TQLLSERNPS KNIRMMQAQE AVSRVKRMQK AAKIKKKANS 

       430        440        450        460        470        480 
EGDAQTLTEV DLFISTQRIK VLNADTQETM MDHALRTISY IADIGNIVVL MARRRMPRSA 

       490        500        510        520        530        540 
SQDCIETTPG AQEGKKQYKM ICHVFESEDA QLIAQSIGQA FSVAYQEFLR ANGINPEDLS 

       550        560        570        580        590        600 
QKEYSDIINT QEMYNDDLIH FSNSENCKEL QLEKHKGEIL GVVVVESGWG SILPTVILAN 

       610        620        630        640        650        660 
MMNGGPAARS GKLSIGDQIM SINGTSLVGL PLATCQGIIK GLKNQTQVKL NIVSCPPVTT 

       670        680        690        700        710        720 
VLIKRPDLKY QLGFSVQNGI ICSLMRGGIA ERGGVRVGHR IIEINGQSVV ATAHEKIVQA 

       730        740        750 
LSNSVGEIHM KTMPAAMFRL LTGQETPLYI 

P98084 in FASTA format

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