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SUMO-1 Conjugation in Vivo Requires Both a Consensus Modification Motif and Nuclear Targeting

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Rodriguez, Manuel S., Dargemont, Catherine, Hay, Ronald T.·2001·Journal of Biological Chemistry

Abstract

SUMO-1 is a small ubiquitin-related modifier that is covalently linked to many cellular protein targets. Proteins modified by SUMO-1 and the SUMO-1-activating and -conjugating enzymes are located predominantly in the nucleus. Here we define a transferable sequence containing the PsiKXE motif, where Psi represents a large hydrophobic amino acid, that confers the ability to be SUMO-1-modified on proteins to which it is linked. Whereas addition of short sequences from p53 and IkappaBalpha, containing the PsiKXE motif, to a carrier protein is sufficient for modification in vitro, modification in vivo requires the additional presence of a nuclear localization signal. Thus, protein substrates must be targeted to the nucleus to undergo SUMO-1 conjugation.

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Metadata

Authors
Rodriguez, M. S., Dargemont, C., & Hay, R. T.
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
2001-04
Volume
276
Issue
16
Pages
12654-12659
ISSN
0021-9258 (ISSN-L)
OpenAlex
W1991189921
Cited by
744
References
0
FWCI
10.10
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: SUMO-1 Conjugation in Vivo Requires Both a Consensus Modification Motif and Nuclear Targeting. https://app.cochat.ai/papers/10.1074/jbc.m009476200
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Rodriguez, M. S., Dargemont, C., & Hay, R. T. (2001). SUMO-1 Conjugation in Vivo Requires Both a Consensus Modification Motif and Nuclear Targeting. Journal of Biological Chemistry. https://doi.org/10.1074/jbc.m009476200

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.