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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: Cytoplasmic aconitate hydratase

UniprotKB/SwissProt ID: Q63270 (Q63270)

Gene Name: Aco1

Organism: Rattus norvegicus (Rat)

Function: Bifunctional iron sensor that switches between 2 activities depending on iron availability (By similarity). Iron deprivation, promotes its mRNA binding activity through which it regulates the expression of genes involved in iron uptake, sequestration and utilization (PubMed:16144863). Binds to iron-responsive elements (IRES) in the untranslated region of target mRNAs preventing for instance the translation of ferritin and aminolevulinic acid synthase and stabilizing the transferrin receptor mRNA (PubMed:16144863) Conversely, when cellular iron levels are high, binds a 4Fe-4S cluster which precludes RNA binding activity and promotes the aconitase activity, the isomerization of citrate to isocitrate via cis-aconitate

Other Modifications: View all modification sites in dbPTM

Protein Subcellular Localization: Cytoplasm, cytosol

Graphical Visualization of S-nitrosylation Sites:
InterPro ID Domain Name
IPR044137 AcnA_IRP_Swivel
IPR015931 Acnase/IPM_dHydase_lsu_aba_1/3
IPR001030 Acoase/IPM_deHydtase_lsu_aba
IPR015928 Aconitase/3IPM_dehydase_swvl
IPR006249 Aconitase/IRP2
IPR018136 Aconitase_4Fe-4S_BS
IPR036008 Aconitase_4Fe-4S_dom
IPR000573 AconitaseA/IPMdHydase_ssu_swvl

The S-nitrosylation sites of Q63270

No. Position S-nitrosylated Peptide Secondary Structure of S-nitrosylated Peptide Solvent Accessibility of nitrosylated Site PubMed ID
1 369 VELDLKTVVP C CSGPKRPQDK