I have never used Chimera so please bear with me. I have this short peptide sequence (8 aa) that I want to locate in the secondary structure of a protein which I have opened in chimera. Is there a way to highlight the sequence in a particular color in the 3D model and/or only have the aminoacid numbering in this region?

Also, I would like to view a linear alignment of the entire protein sequence with my peptide sequence of interest. I was able to do that and see that the peptide sequence falls in a beta-sheet (green color). Is there any way know which strand it is exactly? It is supposed to be in strand 5 but I don't know how to display strand numbers, or verify with certainty that it is indeed strand 5 and not strand 6 for example.