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Protein Name: E3 ubiquitin-protein ligase RNF123

UniprotKB/SwissProt ID: RN123_HUMAN (Q5XPI4)

Gene Name: RNF123

Synonyms: KPC1

Organism: Homo sapiens (Human).

Function: Catalytic subunit of the KPC complex that acts as E3 ubiquitin-protein ligase. Required for poly-ubiquitination and proteasome-mediated degradation of CDKN1B during G1 phase of the cell cycle.

Other Modifications: View all modification sites in dbPTM

Protein Subcellular Localization: Cytoplasm.

Graphical Visualization of Ubiquitination Sites:
Overview of Protein Ubiquitination Sites with Functional and Structural Information
InterPro ID Domain
IPR001841
IPR001870
IPR003877
IPR013083


The ubiquitination sites of RN123_HUMAN

No. Position Ubiquitinated Peptide Secondary Structure Solvent Accessibility Substrate Motifs PubMed ID
1467CSSREG K ESTEMK CCCCCC C CHHHHH 43.68%21906983
2473KESTEM K EETAEE CCHHHH H HHHHHH 46.28%21906983
3515KLLLDN K DDNGGE HHHHCC C CCCCCC 67.15%21906983
4530RYIFLT K FRKFLQ HHHHHH H HHHHHH 45.37%21890473
5533FLTKFR K FLQENA HHHHHH H HHHHCC 54.26%21906983
6617HLRKTL K DDLASK HHHHHH H HHHCCC 55.20%21906983
7814QKVFSE K LDHLSR HHHHHH H HHHHHH 59.00%21890473
8906LAAILA K HFADAR HHHHHH H HCCCCE 35.49%906983

The interacting network mediated by proteins: RN123_HUMAN

Metabolic pathway:
Kegg map ID Pathway
map03008Ribosome biogenesis in eukaryotes