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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.

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Protein Name: Complement C3

UniprotKB/SwissProt ID: P01027 (P01027)

Gene Name: C3

Organism: Mus musculus (Mouse)

Function: C3 plays a central role in the activation of the complement system. Its processing by C3 convertase is the central reaction in both classical and alternative complement pathways. After activation C3b can bind covalently, via its reactive thioester, to cell surface carbohydrates or immune aggregates Derived from proteolytic degradation of complement C3, C3a anaphylatoxin is a mediator of local inflammatory process. In chronic inflammation, acts as a chemoattractant for neutrophils (By similarity). It induces the contraction of smooth muscle, increases vascular permeability and causes histamine release from mast cells and basophilic leukocytes. The short isoform has B-cell stimulatory activity Acts as a chemoattractant for neutrophils in chronic inflammation Adipogenic hormone that stimulates triglyceride (TG) synthesis and glucose transport in adipocytes, regulating fat storage and playing a role in postprandial TG clearance. Appears to stimulate TG synthesis via activation of the PLC, MAPK and AKT signaling pathways. Ligand for C5AR2. Promotes the phosphorylation, ARRB2-mediated internalization and recycling of C5AR2

Other Modifications: View all modification sites in dbPTM

Protein Subcellular Localization: Secreted

Graphical Visualization of S-nitrosylation Sites:
InterPro ID Domain Name
IPR009048 A-macroglobulin_rcpt-bd
IPR036595 A-macroglobulin_rcpt-bd_sf
IPR050473 A2M/Complement_sys
IPR011625 A2M_N_BRD
IPR047565 Alpha-macroglob_thiol-ester_cl
IPR011626 Alpha-macroglobulin_TED
IPR000020 Anaphylatoxin/fibulin
IPR018081 Anaphylatoxin_comp_syst
IPR001840 Anaphylatoxn_comp_syst_dom
IPR041425 C3/4/5_MG1
IPR049466 C3_CUB1
IPR048848 C3_CUB2
IPR013783 Ig-like_fold
IPR001599 Macroglobln_a2
IPR019742 MacrogloblnA2_CS
IPR002890 MG2
IPR041555 MG3
IPR040839 MG4
IPR001134 Netrin_domain
IPR018933 Netrin_module_non-TIMP
IPR035815 NTR_complement_C3
IPR008930 Terpenoid_cyclase/PrenylTrfase
IPR008993 TIMP-like_OB-fold

The S-nitrosylation sites of P01027

No. Position S-nitrosylated Peptide Secondary Structure of S-nitrosylated Peptide Solvent Accessibility of nitrosylated Site PubMed ID
1 1489 VYSYYNLEES C TRFYHPEKDD  CCCCCHHHHH H HHHHHHCCCH  3.42%
2 1537 INLNVRLDKA C EPGVDYVYKT  CCCCCHHHHH H HHHHHHCCCH  8.81%
3 873 RVELLHNPAF C SMATAKNRYF  CCCCCHHHHH H HHHHHHCCCH  2.71% 22178444