Chapter Category: Protein

From the book TRIM/RBCC Proteins

TRIM Involvement in Transcriptional Regulation

Florence Cammas, Konstantin Khetchoumian, Pierre Chambon and Régine Losson

Members of the tripartite motif (TRIM) protein family are found in all multicellular eukaryotes and function in a wide range of cellular processes such as cell cycle regulation, differentiation, development, oncogenesis and viral response. Over the past few years, several TRIM proteins have been reported to control gene expression through regulation of the transcriptional activity of numerous sequence‑specific transcription factors. These proteins include the transcriptional intermediary factor 1 (TIF1) regulators, the promyelocytic leukemia tumor suppressor PML and the RET finger protein (RFP). In this chapter, we will consider the molecular interactions made by these TRIM proteins and will attempt to clarify some of the molecular mechanisms underlying their regulatory effect on transcription.


Taken from the book

TRIM/RBCC Proteins

Edited by: Germana Meroni

More chapters from the book:

TRIM Involvement in Transcriptional Regulation
Florence Cammas, Konstantin Khetchoumian, Pierre Chambon and Régine Losson

Members of the tripartite motif (TRIM) protein family are found in all multicellular eukaryotes and function in a wide range of cellular processes such as cell cycle regulation, differentiation, development, oncogenesis and viral response. Over the past few years, several TRIM proteins have...


The Tripartite Motif:
Structure and Function
Lucia Micale, Evelyn Chaignat, Carmela Fusco, Alexandre Reymond and Giuseppe Merla

The TRIM/RBCC proteins belong to a family whom members are involved in a variety of cellular processes such as apoptosis and cell cycle regulation. These proteins are defined by the presence of a tripartite motif composed of three zinc‑binding domains, a RING finger, one or two B‑box...


MuRFs, brief for muscle specific RING finger proteins, correspond to a subfamily of the TRIM/RBCC protein family. Here, we review recent progress on the structural biology of MuRF1, the MuRF family member being most clearly associated with muscle diseases. The emerging understanding of the...


TRIM Proteins as RING Finger E3 Ubiquitin Ligases
Kazuhiro Ikeda and Satoshi Inoue

The tripartite motif (TRIM) proteins harboring the RING finger, B‑box and coiled‑coil (RBCC) domain motifs form a large protein family. The members of this family are involved in various biological processes, including growth, differentiation, apoptosis and transcription and also in...


PML Nuclear Bodies and Other TRIM-Defined Subcellular Compartments
Elizabeth C. Batty, Kirsten Jensen and Paul S. Freemont

Tripartite motif (TRIM) proteins are defined by their possession of a RING, B‑box and predicted coiled coil (RBCC) domain. The coiled‑coil region facilitates the oligomerisation of TRIMs and contributes to the formation of high molecular weight complexes that show interesting subcellular...


The TRIM family comprises proteins characterized by the presence of the tripartite motif that is composed of a RING domain, one or two B‑box domains and a Coiled‑coil region. These proteins are implicated in a plethora of cellular processes such as apoptosis, cell cycle regulation,...


TRIM Proteins and the Innate Immune Response to Viruses
Melvyn W. Yap and Jonathan P. Stoye

Many TRIM proteins are up‑regulated by interferons, suggesting that they might be involved in the innate immune response against viruses. Indeed, some members of the family have been shown to be either regulators of the interferon pathways or to be directly involved in the restriction of...


TRIM Proteins in Development
Francesca Petrera and Germana Meroni

TRIM proteins play important roles in several patho‑physiological processes. Their common activity within the ubiquitylation pathway makes them amenable to a number of diverse biological roles. Many of the TRIM genes are highly and sometimes specifically expressed during embryogenesis, it is...


TRIM proteins are multidomain proteins that typically assemble into large molecular complexes, the composition of which likely explains the diverse functions that have been attributed to this group of proteins. Accumulating data on the roles of many TRIM proteins supports the notion that those...


TRIM Proteins in Cancer
Valeria Cambiaghi, Virginia Giuliani, Sara Lombardi, Cristiano Marinelli, Francesca Toffalorio and Pier Giuseppe Pelicci

Some members of the tripartite motif (TRIM/RBCC) protein family are thought to be important regulators of carcinogenesis. This is not surprising as the TRIM proteins are involved in several biological processes, such as cell growth, development and cellular differentiation and alteration of...


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