Oxs1 (oxidative stress transcription corepressor Oxs1) and Pap1 form a complex to regulate transcription when cells are exposed to diamide or Cd that causes disulfide stress. In fission yeast such as S. pombe, heterologous Oxs1-like proteins can enhance diamide stress tolerance. Furthermore, human and arabidopsis Oxs1 can interchangeably bind Pap1 or Pap1 homologues from human (cJun) and arabidopsis (bZIP10), suggesting that Oxs1 may be a component of an evolutionarily-conserved stress response pathway [1]. Family members found in human such as Ccdc124 (Coiled-Coil Domain Containing Protein 124), were identified as a novel component of the centrosome during interphase and G2/M transition and is involved in cytokinesis [1, 2].

1: A Pap1-Oxs1 signaling pathway for disulfide stress in Schizosaccharomyces pombe. He Y, Chen Y, Song W, Zhu L, Dong Z, Ow DW; Nucleic Acids Res. 2017;45:106-114. PMID:27664222

2: Coiled-coil domain containing protein 124 is a novel centrosome and midbody protein that interacts with the Ras-guanine nucleotide exchange factor 1B and is\tinvolved in cytokinesis. Telkoparan P, Erkek S, Yaman E, Alotaibi H, Bayik D, Tazebay UH; PLoS One. 2013;8:e69289. PMID:23894443