O15056 (SYNJ2_HUMAN) Reviewed, UniProtKB/Swiss-Prot
Last modified
May 1, 2013.
Version 134.
History...
Names·Attributes·General annotation·Ontologies·Interactions·Alt products·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order
Names·Attributes·General annotation·Ontologies·Interactions·Alt products·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize orderNames and origin
| Protein names | Recommended name: Synaptojanin-2 EC=3.1.3.36 Alternative name(s): Synaptic inositol 1,4,5-trisphosphate 5-phosphatase 2 | ||||
| Gene names |
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| Organism | Homo sapiens (Human) [Reference proteome] | ||||
| Taxonomic identifier | 9606 [NCBI] | ||||
| Taxonomic lineage | Eukaryota › Metazoa › Chordata › Craniata › Vertebrata › Euteleostomi › Mammalia › Eutheria › Euarchontoglires › Primates › Haplorrhini › Catarrhini › Hominidae › Homo![]() |
Protein attributes
| Sequence length | 1496 AA. |
| Sequence status | Complete. |
| Protein existence | Evidence at protein level |
General annotation (Comments)
| Function | Inositol 5-phosphatase which may be involved in distinct membrane trafficking and signal transduction pathways. May mediate the inhibitory effect of Rac1 on endocytosis. |
| Catalytic activity | 1-phosphatidyl-1D-myo-inositol 4,5-bisphosphate + H2O = 1-phosphatidyl-1D-myo-inositol 4-phosphate + phosphate. |
| Subunit structure | Binds to GRB2. Isoform 2A binds to SYNJ2BP/OMP25. Isoform 2B2 C-terminal proline-rich region binds to a variety of SH3 domain-containing proteins including SH3GL1, SH3GL2, SH3GL3 and GRB2. |
| Subcellular location | Membrane By similarity. Note: Predominantly associated with the particulate fractions By similarity. Ref.2 |
| Sequence similarities | Belongs to the synaptojanin family. In the central section; belongs to the inositol 1,4,5-trisphosphate 5-phosphatase family. Contains 1 RRM (RNA recognition motif) domain. Contains 1 SAC domain. |
| Sequence caution | The sequence AAH43277.1 differs from that shown. Reason: Erroneous initiation. |
Ontologies
| Keywords | |
|---|---|
| Cellular component | Membrane |
| Coding sequence diversity | Alternative splicing Polymorphism |
| Ligand | RNA-binding |
| Molecular function | Hydrolase |
| Technical term | 3D-structure Complete proteome Reference proteome |
| Gene Ontology (GO) | |
| Biological_process | phosphatidylinositol biosynthetic process Traceable author statement. Source: Reactome phosphatidylinositol phosphorylationInferred from electronic annotation. Source: InterPro small molecule metabolic processTraceable author statement. Source: Reactome |
| Cellular_component | cytosol Traceable author statement. Source: Reactome membraneInferred from electronic annotation. Source: UniProtKB-SubCell |
| Molecular_function | RNA binding Inferred from electronic annotation. Source: UniProtKB-KW nucleotide bindingInferred from electronic annotation. Source: InterPro phosphatidylinositol-4,5-bisphosphate 5-phosphatase activityInferred from electronic annotation. Source: EC |
| Complete GO annotation... | |
Binary interactions
With | Entry | #Exp. | IntAct | Notes |
|---|---|---|---|---|
| GRB2 | P62993 | 2 | EBI-310513,EBI-401755 | |
| NCK1 | P16333 | 3 | EBI-310513,EBI-389883 |
Alternative products
| This entry describes 3 isoforms produced by alternative splicing. [Align] [Select] Note: Additional isoforms seem to exist. | ||||||
| Isoform 2B2 (identifier: O15056-1) This isoform has been chosen as the 'canonical' sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry. | ||||||
| Isoform 2B1 (identifier: O15056-2) The sequence of this isoform differs from the canonical sequence as follows: 1070-1114: Missing. | ||||||
| Note: No experimental confirmation available. | ||||||
| Isoform 2A (identifier: O15056-3) The sequence of this isoform differs from the canonical sequence as follows: 1249-1288: PLSPEEQFEQ...TAPRVPPVPK → IVFCSRSQAS...ASVDTSGSSV 1289-1496: Missing. |
Sequence annotation (Features)
| Feature key | Position(s) | Length | Description | Graphical view | Feature identifier | ||||||||||||||||||||
Molecule processing | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chain | 1 – 1496 | 1496 | Synaptojanin-2 | PRO_0000209733 | |||||||||||||||||||||
Regions | |||||||||||||||||||||||||
| Domain | 120 – 444 | 325 | SAC | ||||||||||||||||||||||
| Domain | 889 – 968 | 80 | RRM | ||||||||||||||||||||||
| Region | 450 – ? | Catalytic By similarity | |||||||||||||||||||||||
| Compositional bias | 1099 – 1114 | 16 | Pro-rich | ||||||||||||||||||||||
| Compositional bias | 1209 – 1334 | 126 | Pro-rich | ||||||||||||||||||||||
Natural variations | |||||||||||||||||||||||||
| Alternative sequence | 1070 – 1114 | 45 | Missing in isoform 2B1. | VSP_012911 | |||||||||||||||||||||
| Alternative sequence | 1249 – 1288 | 40 | PLSPE…PPVPK → IVFCSRSQASQPCLLLQRHE FVRTVAAQRLASVDTSGSSV in isoform 2A. | VSP_012912 | |||||||||||||||||||||
| Alternative sequence | 1289 – 1496 | 208 | Missing in isoform 2A. | VSP_012913 | |||||||||||||||||||||
| Natural variant | 1468 | 1 | E → G. Ref.6 Corresponds to variant rs2502601 [ dbSNP | Ensembl ]. | VAR_024507 | |||||||||||||||||||||
Secondary structure | |||||||||||||||||||||||||
Helix Strand Turn | |||||||||||||||||||||||||
| Beta strand | 891 – 898 | 8 | |||||||||||||||||||||||
| Helix | 901 – 905 | 5 | |||||||||||||||||||||||
| Helix | 909 – 922 | 14 | |||||||||||||||||||||||
| Beta strand | 926 – 931 | 6 | |||||||||||||||||||||||
| Beta strand | 934 – 938 | 5 | |||||||||||||||||||||||
| Helix | 943 – 950 | 8 | |||||||||||||||||||||||
| Helix | 951 – 953 | 3 | |||||||||||||||||||||||
| Beta strand | 954 – 956 | 3 | |||||||||||||||||||||||
| Beta strand | 959 – 963 | 5 | |||||||||||||||||||||||
Sequences
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References
| « Hide 'large scale' references | |
| [1] | "cDNA cloning of human SH3 domain-containing proteins, synaptojanin 2A." Jeong S.-Y., Youle R.J. Submitted (SEP-2002) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 2A). |
| [2] | "Synaptojanin 2, a novel Rac1 effector that regulates clathrin-mediated endocytosis." Malecz N., McCabe P.C., Spaargaren C., Qiu R.-G., Chuang Y.-Y., Symons M. Curr. Biol. 10:1383-1386(2000) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 2B2), SUBCELLULAR LOCATION. |
| [3] | "The DNA sequence and analysis of human chromosome 6." Mungall A.J., Palmer S.A., Sims S.K., Edwards C.A., Ashurst J.L., Wilming L., Jones M.C., Horton R., Hunt S.E., Scott C.E., Gilbert J.G.R., Clamp M.E., Bethel G., Milne S., Ainscough R., Almeida J.P., Ambrose K.D., Andrews T.D. Beck S.Nature 425:805-811(2003) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. |
| [4] | "Identification and characterization of a synaptojanin 2 splice isoform predominantly expressed in nerve terminals." Nemoto Y., Wenk M.R., Watanabe M., Daniell L., Murakami T., Ringstad N., Yamada H., Takei K., De Camilli P. J. Biol. Chem. 276:41133-41142(2001) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA] OF 54-1496 (ISOFORM 2B2). Tissue: Brain. |
| [5] | "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] OF 54-1496 (ISOFORM 2B2). Tissue: Brain. |
| [6] | "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] OF 647-1496 (ISOFORM 2B2), VARIANT GLY-1468. Tissue: Testis. |
| [7] | "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. |
| [8] | "Initial characterization of the human central proteome." Burkard T.R., Planyavsky M., Kaupe I., Breitwieser F.P., Buerckstuemmer T., Bennett K.L., Superti-Furga G., Colinge J. BMC Syst. Biol. 5:17-17(2011) [PubMed] [Europe PMC] [Abstract] Cited for: IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]. |
| [9] | "Solution structure of RNP domain in synaptojanin 2." RIKEN structural genomics initiative (RSGI) Submitted (DEC-2003) to the PDB data bank Cited for: STRUCTURE BY NMR OF 819-969. |
| + | Additional computationally mapped references. |
Cross-references
Sequence databases | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EMBL GenBank DDBJ | AY152396 mRNA. Translation: AAN73051.1. AF318616 mRNA. Translation: AAG46036.1. AL139330 Genomic DNA. Translation: CAI12978.1. AL139330 Genomic DNA. Translation: CAI12983.1. AL139330 Genomic DNA. Translation: CAI12984.1. AF039945 mRNA. Translation: AAD02178.1. AB002346 mRNA. Translation: BAA20805.2. BC043277 mRNA. Translation: AAH43277.1. Different initiation. | ||||||||||||
| IPI | IPI00300621. IPI00477078. IPI00515001. | ||||||||||||
| RefSeq | NP_003889.1. NM_003898.3. | ||||||||||||
| UniGene | Hs.434494. | ||||||||||||
3D structure databases | |||||||||||||
| PDBe RCSB PDB PDBj |
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| ProteinModelPortal | O15056. | ||||||||||||
| ModBase | Search... | ||||||||||||
Protein-protein interaction databases | |||||||||||||
| IntAct | O15056. 7 interactions. | ||||||||||||
| MINT | MINT-3976061. | ||||||||||||
| STRING | 9606.ENSP00000347792. | ||||||||||||
PTM databases | |||||||||||||
| PhosphoSite | O15056. | ||||||||||||
Proteomic databases | |||||||||||||
| PaxDb | O15056. | ||||||||||||
| PRIDE | O15056. | ||||||||||||
Protocols and materials databases | |||||||||||||
| StructuralBiologyKnowledgebase | Search... | ||||||||||||
Genome annotation databases | |||||||||||||
| Ensembl | ENST00000355585; ENSP00000347792; ENSG00000078269. ENST00000367112; ENSP00000356079; ENSG00000078269. ENST00000367121; ENSP00000356088; ENSG00000078269. | ||||||||||||
| GeneID | 8871. | ||||||||||||
| KEGG | hsa:8871. | ||||||||||||
| UCSC | uc003qqw.2. human. uc003qqx.2. human. | ||||||||||||
Organism-specific databases | |||||||||||||
| CTD | 8871. | ||||||||||||
| GeneCards | GC06P158402. | ||||||||||||
| HGNC | HGNC:11504. SYNJ2. | ||||||||||||
| HPA | HPA031575. HPA031953. | ||||||||||||
| MIM | 609410. gene. | ||||||||||||
| neXtProt | NX_O15056. | ||||||||||||
| PharmGKB | PA36286. | ||||||||||||
| HUGE | Search... | ||||||||||||
| GenAtlas | Search... | ||||||||||||
Phylogenomic databases | |||||||||||||
| eggNOG | COG5411. | ||||||||||||
| HOVERGEN | HBG079225. | ||||||||||||
| InParanoid | O15056. | ||||||||||||
| KO | K01099. | ||||||||||||
| OMA | VIKGQYG. | ||||||||||||
| OrthoDB | EOG4JDH60. | ||||||||||||
| PhylomeDB | O15056. | ||||||||||||
Enzyme and pathway databases | |||||||||||||
| BioCyc | MetaCyc:HS01279-MONOMER. | ||||||||||||
| Reactome | REACT_111217. Metabolism. | ||||||||||||
Gene expression databases | |||||||||||||
| ArrayExpress | O15056. | ||||||||||||
| Bgee | O15056. | ||||||||||||
| CleanEx | HS_SYNJ2. | ||||||||||||
| Genevestigator | O15056. | ||||||||||||
| GermOnline | ENSG00000078269. Homo sapiens. | ||||||||||||
Family and domain databases | |||||||||||||
| Gene3D | 3.30.70.330. 1 hit. | ||||||||||||
| InterPro | IPR015047. DUF1866. IPR005135. Endo/exonuclease/phosphatase. IPR000300. IPPc. IPR012677. Nucleotide-bd_a/b_plait. IPR000504. RRM_dom. IPR002013. Syja_N. [Graphical view] | ||||||||||||
| Pfam | PF08952. DUF1866. 1 hit. PF03372. Exo_endo_phos. 1 hit. PF02383. Syja_N. 1 hit. [Graphical view] | ||||||||||||
| SMART | SM00128. IPPc. 1 hit. [Graphical view] | ||||||||||||
| SUPFAM | SSF56219. Exo_endo_phos. 1 hit. | ||||||||||||
| PROSITE | PS50102. RRM. 1 hit. PS50275. SAC. 1 hit. [Graphical view] | ||||||||||||
| ProtoNet | Search... | ||||||||||||
Other | |||||||||||||
| EvolutionaryTrace | O15056. | ||||||||||||
| GenomeRNAi | 8871. | ||||||||||||
| NextBio | 33305. | ||||||||||||
| SOURCE | Search... | ||||||||||||
Entry information
| Entry name | SYNJ2_HUMAN | ||||||||
| Accession | Primary (citable) accession number: O15056 Secondary accession number(s): Q5TA13 Q9H226 | ||||||||
| Entry history |
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| Entry status | Reviewed (UniProtKB/Swiss-Prot) | ||||||||
| Annotation program | Chordata Protein Annotation Program | ||||||||
| Disclaimer | Any medical or genetic information present in this entry is provided for research, educational and informational purposes only. It is not in any way intended to be used as a substitute for professional medical advice, diagnosis, treatment or care. | ||||||||
Relevant documents
| Human chromosome 6 Human chromosome 6: entries, gene names and cross-references to MIM |
| Human entries with polymorphisms or disease mutations List of human entries with polymorphisms or disease mutations |
| Human polymorphisms and disease mutations Index of human polymorphisms and disease mutations |
| MIM cross-references Online Mendelian Inheritance in Man (MIM) cross-references in UniProtKB/Swiss-Prot |
| PDB cross-references Index of Protein Data Bank (PDB) cross-references |
| SIMILARITY comments Index of protein domains and families |

Clusters with
