CYCLIN

domain present in cyclins, TFIIB and Retinoblastoma
CYCLIN
SMART accession number:SM00385
Description: A helical domain present in cyclins and TFIIB (twice) and Retinoblastoma (once). A protein recognition domain functioning in cell-cycle and transcription control.
Interpro abstract (IPR013763):

This cyclin-like domain is found in cyclins, but it is also found as the core domain in transcription factor IIB (TFIIB) [(PUBMED:7675079)] and in the retinoblastoma tumour suppressor [(PUBMED:17974914)]. It consists of a duplication of a fold consisting of 5 helices, one of them surrounded by the others.

Family alignment:
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There are 18658 CYCLIN domains in 12590 proteins in SMART's nrdb database.

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