<p>Provides any useful information about the protein, mostly biological knowledge.</p><p><a href='../manual/function_section' target='_top'>More...</a></p>Functionⁱ

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:</p><p><a href='../manual/gene_ontology' target='_top'>More...</a></p>GO - Molecular functionⁱ

1. phosphatidylinositol-4,5-bisphosphate binding Source: UniProtKB

   <p>Inferred from Direct Assay</p> <p>Used to indicate a direct assay for the function, process or component indicated by the GO term.</p> <p>More information in the <a href="http://geneontology.org/page/guide-go-evidence-codes#ida">GO evidence code guide</a></p> Inferred from direct assayⁱ

   • 19118189

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:</p><p><a href='../manual/gene_ontology' target='_top'>More...</a></p>GO - Biological processⁱ

1. positive regulation of synapse structural plasticity Source: UniProtKB

   <p>Inferred from Mutant Phenotype</p> <p>Describes annotations that are concluded from looking at variations or changes in a gene product such as mutations or abnormal levels and includes techniques such as knockouts, overexpression, anti-sense experiments and use of specific protein inhibitors.</p> <p>More information in the <a href="http://geneontology.org/page/guide-go-evidence-codes#imp">GO evidence code guide</a></p> Inferred from mutant phenotypeⁱ

   • 19118189

<p>UniProtKB Keywords constitute a <a target="_top" href="/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='../help/keywords' target='_top'>More...</a></p>Keywords - Ligandⁱ

<p>Provides information about the protein and gene name(s) and synonym(s) and about the organism that is the source of the protein sequence.</p><p><a href='../manual/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyⁱ

Organism-specific databases

<p>Provides information on the location and the topology of the mature protein in the cell.</p><p><a href='../manual/subcellular_location_section' target='_top'>More...</a></p>Subcellular locationⁱ

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:</p><p><a href='../manual/gene_ontology' target='_top'>More...</a></p>GO - Cellular componentⁱ

1. cytoskeleton Source: InterPro
2. dendritic spine Source: UniProtKB

   <p>Inferred from Direct Assay</p> <p>Used to indicate a direct assay for the function, process or component indicated by the GO term.</p> <p>More information in the <a href="http://geneontology.org/page/guide-go-evidence-codes#ida">GO evidence code guide</a></p> Inferred from direct assayⁱ

   • 19118189

<p>UniProtKB Keywords constitute a <a target="_top" href="/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='../help/keywords' target='_top'>More...</a></p>Keywords - Cellular componentⁱ

<p>Provides information on the disease(s) and phenotype(s) associated with the deficiency of a protein.</p><p><a href='../manual/pathology_and_biotech_section' target='_top'>More...</a></p>Pathology & Biotechⁱ

Mutagenesis

Feature key	Position(s)	Length	Description	Graphical view	Feature identifier	Actions
<p>Describes the effect of the experimental mutation of one or more amino acid(s) on the biological properties of the protein.</p><p><a href='../manual/mutagen' target='_top'>More...</a></p>Mutagenesisi	102 – 102	1	R → A: Abolishes the interaction with ARHGEF7. Mutant overexpression in cultured neurons does not induce a significant increase in spine density contrary to wild type. 1 Publication <p>Manually curated information for which there is published experimental evidence.</p> <p><a href="/manual/evidences#ECO:0000269">More…</a></p> Manual assertion based on experiment ini Ref.5 "Preso, a novel PSD-95-interacting FERM and PDZ domain protein that regulates dendritic spine morphogenesis." Lee H.W., Choi J., Shin H., Kim K., Yang J., Na M., Choi S.Y., Kang G.B., Eom S.H., Kim H., Kim E. J. Neurosci. 28:14546-14556(2008) [PubMed] [Europe PMC] [Abstract] Cited for: FUNCTION, INTERACTION WITH DLG1; DLG2; DLG3; DLG4; ARHGEF7 AND PHOSPHATIDYLINOSITOL-4,5-BIPHOSPHATE, DOMAIN FERM, SUBCELLULAR LOCATION, MUTAGENESIS OF ARG-102; 1319-GLU--VAL-1322 AND THR-1320.
<p>Describes the effect of the experimental mutation of one or more amino acid(s) on the biological properties of the protein.</p><p><a href='../manual/mutagen' target='_top'>More...</a></p>Mutagenesisi	1319 – 1322	4	Missing: Abolishes the interaction with DLG1, DLG2, DLG3 and DLG4/PSD95. Reduces protein localization to dendritic spines. 1 Publication <p>Manually curated information for which there is published experimental evidence.</p> <p><a href="/manual/evidences#ECO:0000269">More…</a></p> Manual assertion based on experiment ini Ref.5 "Preso, a novel PSD-95-interacting FERM and PDZ domain protein that regulates dendritic spine morphogenesis." Lee H.W., Choi J., Shin H., Kim K., Yang J., Na M., Choi S.Y., Kang G.B., Eom S.H., Kim H., Kim E. J. Neurosci. 28:14546-14556(2008) [PubMed] [Europe PMC] [Abstract] Cited for: FUNCTION, INTERACTION WITH DLG1; DLG2; DLG3; DLG4; ARHGEF7 AND PHOSPHATIDYLINOSITOL-4,5-BIPHOSPHATE, DOMAIN FERM, SUBCELLULAR LOCATION, MUTAGENESIS OF ARG-102; 1319-GLU--VAL-1322 AND THR-1320.
<p>Describes the effect of the experimental mutation of one or more amino acid(s) on the biological properties of the protein.</p><p><a href='../manual/mutagen' target='_top'>More...</a></p>Mutagenesisi	1320 – 1320	1	T → D: Abolishes the interaction with DLG4/PSD95. Reduces protein localization to dendritic spines. 1 Publication <p>Manually curated information for which there is published experimental evidence.</p> <p><a href="/manual/evidences#ECO:0000269">More…</a></p> Manual assertion based on experiment ini Ref.5 "Preso, a novel PSD-95-interacting FERM and PDZ domain protein that regulates dendritic spine morphogenesis." Lee H.W., Choi J., Shin H., Kim K., Yang J., Na M., Choi S.Y., Kang G.B., Eom S.H., Kim H., Kim E. J. Neurosci. 28:14546-14556(2008) [PubMed] [Europe PMC] [Abstract] Cited for: FUNCTION, INTERACTION WITH DLG1; DLG2; DLG3; DLG4; ARHGEF7 AND PHOSPHATIDYLINOSITOL-4,5-BIPHOSPHATE, DOMAIN FERM, SUBCELLULAR LOCATION, MUTAGENESIS OF ARG-102; 1319-GLU--VAL-1322 AND THR-1320.

Organism-specific databases

<p>Describes post-translational modifications (PTMs) and/or processing events.</p><p><a href='../manual/ptm_processing_section' target='_top'>More...</a></p>PTM / Processingⁱ

Molecule processing

Feature key	Position(s)	Length	Description	Graphical view	Feature identifier	Actions
<p>Describes the extent of a polypeptide chain in the mature protein following processing.</p><p><a href='../manual/chain' target='_top'>More...</a></p>Chaini	1 – 1322	1322	FERM and PDZ domain-containing protein 4		PRO_0000307132	Add BLAST

Proteomic databases

PTM databases

<p>Provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms.</p><p><a href='../manual/expression_section' target='_top'>More...</a></p>Expressionⁱ

Gene expression databases

Organism-specific databases

<p>Provides information on the quaternary structure of a protein and on interaction(s) with other proteins or protein complexes.</p><p><a href='../manual/interaction_section' target='_top'>More...</a></p>Interactionⁱ

<p>Provides information about the protein quaternary structure and interaction(s) with other proteins or protein complexes (with the exception of physiological receptor-ligand interactions which are annotated in the ‘Function’ section).</p><p><a href='../manual/subunit_structure' target='_top'>More...</a></p>Subunit structureⁱ

Protein-protein interaction databases

<p>Provides information on the tertiary structure of a protein.</p><p><a href='../manual/structure_section' target='_top'>More...</a></p>Structureⁱ

3D structure databases

<p>Provides information on sequence similarities with other proteins and the domain(s) present in a protein.</p><p><a href='../manual/family_and_domains_section' target='_top'>More...</a></p>Family & Domainsⁱ

Domains and Repeats

Feature key	Position(s)	Length	Description	Graphical view	Feature identifier	Actions
<p>Describes the position and type of a domain, which is defined as a specific combination of secondary structures organized into a characteristic three-dimensional structure or fold.</p><p><a href='../manual/domain' target='_top'>More...</a></p>Domaini	33 – 66	34	WWPROSITE-ProRule annotation <p>Manual validated information which has been generated by the UniProtKB automatic annotation system.</p> <p><a href="/manual/evidences#ECO:0000255">More…</a></p> Manual assertion according to rulesi PROSITE-ProRule:PRU00224			Add BLAST
<p>Describes the position and type of a domain, which is defined as a specific combination of secondary structures organized into a characteristic three-dimensional structure or fold.</p><p><a href='../manual/domain' target='_top'>More...</a></p>Domaini	78 – 155	78	PDZPROSITE-ProRule annotation <p>Manual validated information which has been generated by the UniProtKB automatic annotation system.</p> <p><a href="/manual/evidences#ECO:0000255">More…</a></p> Manual assertion according to rulesi PROSITE-ProRule:PRU00143			Add BLAST
<p>Describes the position and type of a domain, which is defined as a specific combination of secondary structures organized into a characteristic three-dimensional structure or fold.</p><p><a href='../manual/domain' target='_top'>More...</a></p>Domaini	204 – 519	316	FERMPROSITE-ProRule annotation <p>Manual validated information which has been generated by the UniProtKB automatic annotation system.</p> <p><a href="/manual/evidences#ECO:0000255">More…</a></p> Manual assertion according to rulesi PROSITE-ProRule:PRU00084			Add BLAST

<p>Provides general information on the biological role of a domain. The term ‘domain’ is intended here in its wide acceptation, it may be a structural domain, a transmembrane region or a functional domain. Several domains are described in this subsection.</p><p><a href='../manual/domain_cc' target='_top'>More...</a></p>Domainⁱ

<p>Provides information about the sequence similarity with other proteins.</p><p><a href='../manual/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesⁱ

Phylogenomic databases

Family and domain databases

<p>Displays by default the canonical protein sequence and upon request all isoforms described in the entry. It also includes information pertinent to the sequence(s), including length and molecular weight.</p><p><a href='../manual/sequences_section' target='_top'>More...</a></p>Sequenceⁱ

<p>Indicates if the canonical sequence displayed by default in the entry is complete or not.</p><p><a href='../manual/sequence_status' target='_top'>More...</a></p>Sequence statusⁱ: Complete.

        10         20         30         40         50
MDVFSFVKIA KLSSHRTKSS GWPPPSGTWG LSQVPPYGWE MTANRDGRDY 
        60         70         80         90        100
FINHMTQAIP FDDPRLESCQ IIPPAPRKVE MRRDPVLGFG FVAGSEKPVV 
       110        120        130        140        150
VRSVTPGGPS EGKLIPGDQI VMINDEPVSA APRERVIDLV RSCKESILLT 
       160        170        180        190        200
VIQPYPSPKS AFISAAKKAR LKSNPVKVRF SEEVIINGQV SETVKDNSLL 
       210        220        230        240        250
FMPNVLKVYL ENGQTKSFRF DCSTSIKDVI LTLQEKLSIK GIEHFSLMLE 
       260        270        280        290        300
QRTEGAGTKL LLLHEQETLT QVTQRPSSHK MRCLFRISFV PKDPIDLLRR 
       310        320        330        340        350
DPVAFEYLYV QSCNDVVQER FGPELKYDIA LRLAALQMYI ATVTTKQTQK 
       360        370        380        390        400
ISLKYIEKEW GLETFLPSAV LQSMKEKNIK KALSHLVKAN QNLVPPGKKL 
       410        420        430        440        450
SALQAKVHYL KFLSDLRLYG GRVFKATLVQ AEKRSEVTLL VGPRYGISHV 
       460        470        480        490        500
INTKTNLVAL LADFSHVNRI EMFSEEESLV RVELHVLDVK PITLLMESSD 
       510        520        530        540        550
AMNLACLTAG YYRLLVDSRR SIFNMANKKN TATQETGPEN KGKHNLLGPD 
       560        570        580        590        600
WNCIPQMTTF IGEGEQEAQI TYIDSKQKTV EITDSTMCPK EHRHLYIDNA 
       610        620        630        640        650
YSSDGLNQQL SQPGEAPCEA DYRSLAQRSL LTLSGPETLK KAQESPRGAK 
       660        670        680        690        700
VSFIFGDFAL DDGISPPTLG YETLLDEGPE MLEKQRNLYI GSANDMKGLD 
       710        720        730        740        750
LTPEAEGIQF VENSVYANIG DVKSFQAAEG IEEPLLHDIC YAENTDDAED 
       760        770        780        790        800
EDEVSCEEDL VVGEMNQPAI LNLSGSSDDI IDLTSLPPPE GDDNEDDFLL 
       810        820        830        840        850
RSLNMAIAAP PPGFRDSSDE EDSQSQAASF PEDKEKGSSL QNDEIPVSLI 
       860        870        880        890        900
DAVPTSAEGK CEKGLDNAVV STLGALEALS VSEEQQTSDN SGVAILRAYS 
       910        920        930        940        950
PESSSDSGNE TNSSEMTESS ELATAQKQSE NLSRMFLATH EGYHPLAEEQ 
       960        970        980        990       1000
TEFPASKTPA GGLPPKSSHA LAARPATDLP PKVVPSKQLL HSDHMEMEPE 
      1010       1020       1030       1040       1050
TMETKSVTDY FSKLHMGSVA YSCTSKRKSK LADGEGKAPP NGNTTGKKQQ 
      1060       1070       1080       1090       1100
GTKTAEMEEE ASGKFGTVSS RDSQHLSTFN LERTAFRKDS QRWYVATEGG 
      1110       1120       1130       1140       1150
MAEKSGLEAA TGKTFPRASG LGAREAEGKE EGAPDGETSD GSGLGQGDRF 
      1160       1170       1180       1190       1200
LTDVTCASSA KDLDNPEDAD SSTCDHPSKL PEADESVARL CDYHLAKRMS 
      1210       1220       1230       1240       1250
SLQSEGHFSL QSSQGSSVDA GCGTGSSGSA CATPVESPLC PSLGKHLIPD 
      1260       1270       1280       1290       1300
ASGKGVNYIP SEERAPGLPN HGATFKELHP QTEGMCPRMT VPALHTAINT 
      1310       1320 
EPLFGTLRDG CHRLPKIKET TV                       

Experimental Info

Feature key	Position(s)	Length	Description	Graphical view	Feature identifier	Actions
<p>Reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.</p><p><a href='../manual/conflict' target='_top'>More...</a></p>Sequence conflicti	130 – 130	1	A → T in BAA20774. (PubMed:9205841)Curated

Sequence databases

Genome annotation databases

Polymorphism databases

<p>Is used to point to information related to entries and found in data collections other than UniProtKB.</p><p><a href='../manual/cross_references_section' target='_top'>More...</a></p>Cross-referencesⁱ

Sequence databases

3D structure databases

Protein-protein interaction databases

PTM databases

Polymorphism databases

Proteomic databases

Protocols and materials databases

Genome annotation databases

Organism-specific databases

Phylogenomic databases

Miscellaneous databases

Gene expression databases

Family and domain databases

<p>Contains the literature citations that are the sources of data used to annotate the entry. Each reference is numbered and contains several subsections allowing a precise description of a given citation.</p><p><a href='../manual/publications_section' target='_top'>More...</a></p>Publicationsⁱ

1. "Prediction of the coding sequences of unidentified human genes. VII. The complete sequences of 100 new cDNA clones from brain which can code for large proteins in vitro."
   Nagase T., Ishikawa K., Nakajima D., Ohira M., Seki N., Miyajima N., Tanaka A., Kotani H., Nomura N., Ohara O.
   DNA Res. 4:141-150(1997) [PubMed] [Europe PMC] [Abstract]
   Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
   Tissue: Brain.
   
2. Ohara O., Nagase T., Kikuno R., Nomura N.
   Submitted (JAN-2003) to the EMBL/GenBank/DDBJ databases
   Cited for: SEQUENCE REVISION.
3. "Complete sequencing and characterization of 21,243 full-length human cDNAs."
   Ota T., Suzuki Y., Nishikawa T., Otsuki T., Sugiyama T., Irie R., Wakamatsu A., Hayashi K., Sato H., Nagai K., Kimura K., Makita H., Sekine M., Obayashi M., Nishi T., Shibahara T., Tanaka T., Ishii S.

   , Yamamoto J., Saito K., Kawai Y., Isono Y., Nakamura Y., Nagahari K., Murakami K., Yasuda T., Iwayanagi T., Wagatsuma M., Shiratori A., Sudo H., Hosoiri T., Kaku Y., Kodaira H., Kondo H., Sugawara M., Takahashi M., Kanda K., Yokoi T., Furuya T., Kikkawa E., Omura Y., Abe K., Kamihara K., Katsuta N., Sato K., Tanikawa M., Yamazaki M., Ninomiya K., Ishibashi T., Yamashita H., Murakawa K., Fujimori K., Tanai H., Kimata M., Watanabe M., Hiraoka S., Chiba Y., Ishida S., Ono Y., Takiguchi S., Watanabe S., Yosida M., Hotuta T., Kusano J., Kanehori K., Takahashi-Fujii A., Hara H., Tanase T.-O., Nomura Y., Togiya S., Komai F., Hara R., Takeuchi K., Arita M., Imose N., Musashino K., Yuuki H., Oshima A., Sasaki N., Aotsuka S., Yoshikawa Y., Matsunawa H., Ichihara T., Shiohata N., Sano S., Moriya S., Momiyama H., Satoh N., Takami S., Terashima Y., Suzuki O., Nakagawa S., Senoh A., Mizoguchi H., Goto Y., Shimizu F., Wakebe H., Hishigaki H., Watanabe T., Sugiyama A., Takemoto M., Kawakami B., Yamazaki M., Watanabe K., Kumagai A., Itakura S., Fukuzumi Y., Fujimori Y., Komiyama M., Tashiro H., Tanigami A., Fujiwara T., Ono T., Yamada K., Fujii Y., Ozaki K., Hirao M., Ohmori Y., Kawabata A., Hikiji T., Kobatake N., Inagaki H., Ikema Y., Okamoto S., Okitani R., Kawakami T., Noguchi S., Itoh T., Shigeta K., Senba T., Matsumura K., Nakajima Y., Mizuno T., Morinaga M., Sasaki M., Togashi T., Oyama M., Hata H., Watanabe M., Komatsu T., Mizushima-Sugano J., Satoh T., Shirai Y., Takahashi Y., Nakagawa K., Okumura K., Nagase T., Nomura N., Kikuchi H., Masuho Y., Yamashita R., Nakai K., Yada T., Nakamura Y., Ohara O., Isogai T., Sugano S.
   Nat. Genet. 36:40-45(2004) [PubMed] [Europe PMC] [Abstract]
   Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
   Tissue: Amygdala.
   
4. "The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC)."
   The MGC Project Team
   Genome Res. 14:2121-2127(2004) [PubMed] [Europe PMC] [Abstract]
   Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
   Tissue: Brain.
   
5. "Preso, a novel PSD-95-interacting FERM and PDZ domain protein that regulates dendritic spine morphogenesis."
   Lee H.W., Choi J., Shin H., Kim K., Yang J., Na M., Choi S.Y., Kang G.B., Eom S.H., Kim H., Kim E.
   J. Neurosci. 28:14546-14556(2008) [PubMed] [Europe PMC] [Abstract]
   Cited for: FUNCTION, INTERACTION WITH DLG1; DLG2; DLG3; DLG4; ARHGEF7 AND PHOSPHATIDYLINOSITOL-4,5-BIPHOSPHATE, DOMAIN FERM, SUBCELLULAR LOCATION, MUTAGENESIS OF ARG-102; 1319-GLU--VAL-1322 AND THR-1320.
6. "Quantitative phosphoproteomic analysis of T cell receptor signaling reveals system-wide modulation of protein-protein interactions."
   Mayya V., Lundgren D.H., Hwang S.-I., Rezaul K., Wu L., Eng J.K., Rodionov V., Han D.K.
   Sci. Signal. 2:RA46-RA46(2009) [PubMed] [Europe PMC] [Abstract]
   Cited for: IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS].
   Tissue: Leukemic T-cell.
   

<p>Provides general information on the entry.</p><p><a href='../manual/entry_information_section' target='_top'>More...</a></p>Entry informationⁱ

<p>Contains any relevant information that doesn’t fit in any other defined sections</p><p><a href='../manual/miscellaneous_section' target='_top'>More...</a></p>Miscellaneousⁱ

<p>UniProtKB Keywords constitute a <a target="_top" href="/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='../help/keywords' target='_top'>More...</a></p>Keywords - Technical termⁱ

Documents

1. Human chromosome X
   Human chromosome X: entries, gene names and cross-references to MIM
2. MIM cross-references
   Online Mendelian Inheritance in Man (MIM) cross-references in UniProtKB/Swiss-Prot
3. SIMILARITY comments
   Index of protein domains and families

External Data

<p>Provides links to the UniProt Reference Clusters (<a href="/help/uniref">UniRef</a>). UniRef consists of clusters for UniProtKB sequences (including isoforms) and selected UniParc sequences, in order to obtain complete coverage of the sequence space at resolutions of 100%, 90% and 50% identity.</p><p><a href='../manual/similar_proteins_section' target='_top'>More...</a></p>Similar proteinsⁱ