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- Table of Contents
5 Citations 16 Q&As
Facts about E3 ubiquitin-protein ligase Mdm2.
Also functions as a ubiquitin ligase E3 toward itself and ARRB1. Permits the nuclear export of p53/TP53.
Human | |
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Gene Name: | MDM2 |
Uniprot: | Q00987 |
Entrez: | 4193 |
Belongs to: |
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MDM2/MDM4 family |
ACTFS; HDM2; HDMX; MDM2 oncogene, E3 ubiquitin protein ligase; MDM2
Mass (kDA):
55.233 kDA
Human | |
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Location: | 12q15 |
Sequence: | 12; NC_000012.12 (68808149..68850686) |
Ubiquitous. Isoform Mdm2-A, isoform Mdm2-B, isoform Mdm2-C, isoform Mdm2-D, isoform Mdm2-E, isoform Mdm2-F and isoform Mdm2-G are observed in a range of cancers but absent in normal tissues.
Nucleus, nucleoplasm. Cytoplasm. Nucleus, nucleolus. Expressed predominantly in the nucleoplasm. Interaction with ARF(P14) results in the localization of both proteins to the nucleolus. The nucleolar localization signals in both ARF(P14) and MDM2 may be necessary to allow efficient nucleolar localization of both proteins. Colocalizes with RASSF1 isoform A in the nucleus.
PMID: 1614537 by Oliner J.D., et al. Amplification of a gene encoding a p53-associated protein in human sarcomas.
PMID: 8705862 by Sigalas I., et al. Alternatively spliced mdm2 transcripts with loss of p53 binding domain sequences: transforming ability and frequent detection in human cancer.
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