\
logo
  Home | Contact us | Browse | Quick Search by UniProtKB ID, Keyword, PDBID

Menu:

Latest news:

Sep. 10, 2014:
A total of 174 experimentally verified S-nitrosylation sites on 94 S-nitrosylated proteins from individualized human colorectal cancer tissues using a label-free quantitation strategy.

Read more...


Protein Name: Obscurin

UniprotKB/SwissProt ID: A2AAJ9 (A2AAJ9)

Gene Name: Obscn

Organism: Mus musculus (Mouse)

Function: Structural component of striated muscles which plays a role in myofibrillogenesis. Probably involved in the assembly of myosin into sarcomeric A bands in striated muscle (By similarity). Has serine/threonine protein kinase activity and phosphorylates N-cadherin CDH2 and sodium/potassium-transporting ATPase subunit ATP1B1 (PubMed:23392350). Binds (via the PH domain) strongly to phosphatidylinositol 3,4-bisphosphate (PtdIns(3,4)P2) and phosphatidylinositol 4,5-bisphosphate (PtdIns(4,5)P2), and to a lesser extent to phosphatidylinositol 3-phosphate (PtdIns(3)P), phosphatidylinositol 4-phosphate (PtdIns(4)P), phosphatidylinositol 5-phosphate (PtdIns(5)P) and phosphatidylinositol 3,4,5-trisphosphate (PtdIns(3,4,5)P3) (By similarity) Isoform 2 and isoform 3: bind phosphatidylinositol bisphosphates (PIP2s) via their PH domains and negatively regulate the PI3K/AKT/mTOR signaling pathway, thus contributing to the regulation of cardiomyocyte size and adhesion

Other Modifications: View all modification sites in dbPTM

Protein Subcellular Localization: Cytoplasm, myofibril, sarcomere, M line. Cytoplasm, myofibril, sarcomere, Z line. Cell membrane, sarcolemma. Nucleus. Secreted. Cell membrane. Cell membrane

Graphical Visualization of S-nitrosylation Sites:
InterPro ID Domain Name
IPR035899 DBL_dom_sf
IPR000219 DH_dom
IPR003961 FN3_dom
IPR036116 FN3_sf
IPR007110 Ig-like_dom
IPR036179 Ig-like_dom_sf
IPR013783 Ig-like_fold
IPR013098 Ig_I-set
IPR003599 Ig_sub
IPR003598 Ig_sub2
IPR013106 Ig_V-set
IPR000048 IQ_motif_EF-hand-BS
IPR011009 Kinase-like_dom_sf
IPR052385 Obscurin/Obscurin-like_Reg
IPR035526 Obscurin_SH3
IPR011993 PH-like_dom_sf
IPR001849 PH_domain
IPR000719 Prot_kinase_dom
IPR017441 Protein_kinase_ATP_BS
IPR008271 Ser/Thr_kinase_AS
IPR036028 SH3-like_dom_sf
IPR001452 SH3_domain
IPR055251 SOS1_NGEF_PH
IPR008266 Tyr_kinase_AS

The S-nitrosylation sites of A2AAJ9

No. Position S-nitrosylated Peptide Secondary Structure of S-nitrosylated Peptide Solvent Accessibility of nitrosylated Site PubMed ID
1 1027 AGKADAGEYS C EAGGQKLSFR   
2 1119 AGKADAGEYS C EAGGQKLSFR   
3 1211 AGKADAGEYS C EAGGQKLSFR   
4 1303 AGKADAGEYS C EAGGQKLSFH   
5 1487 AGKADAGEYS C EAGGQKLSFR   
6 1579 AGKADAGEYS C EAGGQKLSFR   
7 1671 AGKADAGEYS C EAGGQKLSFR   
8 1763 AGKADAGEYS C EAGGQKLSFR   
9 1855 AGKADAGEYS C EAGGQKLFFR   
10 1947 AGKADAGEYS C EAGGQKLSFR   
11 2131 AGKADAGEYS C EAGGQKLSFR   
12 2651 KAIGIVAQGT C RSLVIYRCET   
13 6949 IIKNSWVKEI C GIQQRLAQPV   
14 935 AGKADAGEYS C EAGGQKLSFR