该基因编码的F盒蛋白家族的成员，其特征在于约40个氨基酸基序，F盒。F-box蛋白是泛素蛋白连接酶复合物SCFs（SKP1-cullin-F-box）的四个亚基之一，在磷酸化依赖性泛素化中发挥作用f-box蛋白分为3类：含wd-40结构域的fbws、含富含亮氨酸重复序列的fbls和含不同蛋白相互作用模块或无可识别基序的fbxs。这个基因编码的蛋白质属于fbls类。已发现该基因的多个选择性剪接转录变体，但尚未确定某些变体的全长性质[由RefSeq提供，2008年7月]
This gene encodes a member of the F-box protein family which is characterized by an approximately 40 amino acid motif, the F-box. The F-box proteins constitute one of the four subunits of ubiquitin protein ligase complex called SCFs (SKP1-cullin-F-box), which function in phosphorylation-dependent ubiquitination. The F-box proteins are divided into 3 classes: Fbws containing WD-40 domains, Fbls containing leucine-rich repeats, and Fbxs containing either different protein-protein interaction modules or no recognizable motifs. The protein encoded by this gene belongs to the Fbls class. Multiple alternatively spliced transcript variants have been found for this gene, but the full-length nature of some variants has not been determined. [provided by RefSeq, Jul 2008]