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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: Membrane-associated progesterone receptor component 1

UniprotKB/SwissProt ID: O00264 (O00264)

Gene Name: PGRMC1

Organism: Homo sapiens (Human)

Function: Component of a progesterone-binding protein complex (PubMed:28396637). Binds progesterone (PubMed:25675345). Has many reported cellular functions (heme homeostasis, interaction with CYPs). Required for the maintenance of uterine histoarchitecture and normal female reproductive lifespan (By similarity). Intracellular heme chaperone. Regulates heme synthesis via interactions with FECH and acts as a heme donor for at least some hemoproteins (PubMed:27599036). Forms a ternary complex with TMEM97 receptor and low density lipid receptor/LDLR, which increases LDLR-mediated LDL lipoprotein internalization (PubMed:30443021)

Other Modifications: View all modification sites in dbPTM

Protein Subcellular Localization: Microsome membrane. Smooth endoplasmic reticulum membrane. Mitochondrion outer membrane. Secreted

Graphical Visualization of S-nitrosylation Sites:
InterPro ID Domain Name
IPR001199 Cyt_B5-like_heme/steroid-bd
IPR036400 Cyt_B5-like_heme/steroid_sf
IPR050577 MAPR/NEUFC/NENF-like

The S-nitrosylation sites of O00264

No. Position S-nitrosylated Peptide Secondary Structure of S-nitrosylated Peptide Solvent Accessibility of nitrosylated Site PubMed ID
1 129 RDASRGLATF C LDKEALKDEY