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Overview

Uniprot IDQ96GG9
Protein NameDCN1-like protein 1
Gene NameDCUN1D1
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
57 LYIRESVKGSLDRKK

Function

Part of an E3 ubiquitin ligase complex for neddylation (PubMed:18826954). Promotes neddylation of cullin components of E3 cullin-RING ubiquitin ligase complexes (PubMed:19617556, PubMed:23201271, PubMed:23401859, PubMed:26906416). Acts by binding to cullin-RBX1 complexes in the cytoplasm and promoting their nuclear translocation, enhancing recruitment of E2-NEDD8 (UBE2M-NEDD8) thioester to the complex, and optimizing the orientation of proteins in the complex to allow efficient transfer of NEDD8 from the E2 to the cullin substrates. Involved in the release of inhibitory effets of CAND1 on cullin-RING ligase E3 complex assembly and activity (PubMed:25349211, PubMed:28581483). Also acts as an oncogene facilitating malignant transformation and carcinogenic progression (By similarity)

Protein Sequence

10 MNKLKSSQKD 20 KVRQFMIFTQ 30 SSEKTAVSCL 40 SQNDWKLDVA 50 TDNFFQNPEL 60 YIRESVKGSL 70 DRKKLEQLYN 80 RYKDPQDENK 90 IGIDGIQQFC 100 DDLALDPASI 110 SVLIIAWKFR 120 AATQCEFSKQ 130 EFMDGMTELG 140 CDSIEKLKAQ 150 IPKMEQELKE 160 PGRFKDFYQF 170 TFNFAKNPGQ 180 KGLDLEMAIA 190 YWNLVLNGRF 200 KFLDLWNKFL 210 LEHHKRSIPK 220 DTWNLLLDFS 230 TMIADDMSNY 240 DEEGAWPVLI 250 DDFVEFARPQ IAGTKSTTV

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005737 cytoplasm
Cellular Component GO:0005829 cytosol
Cellular Component GO:0005634 nucleus
Cellular Component GO:0000151 ubiquitin ligase complex
Molecular Function GO:0097602 cullin family protein binding
Molecular Function GO:0031624 ubiquitin conjugating enzyme binding
Molecular Function GO:0032182 ubiquitin-like protein binding
Biological Process GO:2000436 positive regulation of protein neddylation
Biological Process GO:0045116 protein neddylation
Biological Process GO:2000434 regulation of protein neddylation
Biological Process GO:0031396 regulation of protein ubiquitination

Reference

[1] Hong H, Chen X, Wang H, Gu X, Yuan Y et al.. Global profiling of protein lysine lactylation and potential target modified protein analysis in hepatocellular carcinoma.. Proteomics 23(9):e2200432. 2023 May. PMID: 36625413.