Britt, $ indicates the end of the string and | stands for or in pattern specification. Best regards, Julie From: "bhanson1806 [bioc]" <noreply@bioconductor.org> Reply-To: "reply+85fec19f+code@bioconductor.org" <reply+85fec19f+code@bioconductor.org> Date: Wednesday, August 2, 2017 at 1:06 PM To: "Zhu, Lihua (Julie)" <julie.zhu@umassmed.edu> Subject: [bioc] "NNG[A|G][A|G]N$" in CRISPRseek code Activity on a post you are following on support.bioconductor.org<https: support.bioconductor.org=""> User bhanson1806<https: support.bioconductor.org="" u="" 11727=""/> wrote Question: "NNG[A|G][A|G]N$" in CRISPRseek code<https: support.bioconductor.org="" p="" 98769=""/>: Good day I would like to know what the $ and | signs stand for in the "NNG[A|G][A|G]N$" portion, pertaining to the SaCas9 PAM recognition motif, of the CRISPRseek code? Many thanks Britt ________________________________ Post tags: crisprseek, SaCas9, PAM You may reply via email or visit "NNG[A|G][A|G]N$" in CRISPRseek code