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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: Ribosomal RNA small subunit methyltransferase NEP1

UniprotKB/SwissProt ID: NEP1_HUMAN (Q92979)

Gene Name: EMG1

Synonyms: C2F

Organism: Homo sapiens (Human).

Function: Involved in 40S ribosomal subunit biogenesis and 18S rRNA processing. Specifically catalyzes the N1-methylation of pseudouridine at position 1248 (Psi1248) in 18S rRNA. Thus, appears to be the methyltransferase involved in the biosynthesis of the hypermodified N1-methyl-N3-(3-amino-3-carboxypropyl) pseudouridine (m1acp3-Psi) in position 1248 in 18S rRNA. Is not able to methylate uridine at this position.

Other Modifications: View all modification sites in dbPTM

Protein Subcellular Localization: Nucleus, nucleolus.

Network with metabolic pathway:
Kegg map ID Pathway Link
map03008Ribosome biogenesis in eukaryotes
Graphical Visualization of S-nitrosylation Sites:
Overview of Protein S-nitrosylation Sites with Functional and Structural Information
InterPro ID Domain
IPR005304