Sequence alignment between 3csn(C) and UniProt seq Q54450 (HASA_SERMA):

Q54450 (HASA_SERMA): Hemophore HasA from Serratia marcescens
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180        
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+--------
UniProt: MAFSVNYDSSFGGYSIHDYLGQWASTFGDVNHTNGNVTDANSGGFYGGSLSGSQYAISSTANQVTAFVAGGNLTYTLFNEPAHTLYGQLDSLSFGDGLSGGDTSPYSIQVPDVSFGGLNLSSLQAQGHDGVVHQVVYGLMSGDTGALETALNGILDDYGLSVNSTFDQVAAATAVGVQHADSPELLAA
         X............................XXXXXXXXXX.....................................................................................................................................................
PDB seq: PAFSVNYDSSFGGYSIHDYLGQWASTFGD----------ANSGGFYGGSLSGSQYAISSTANQVTAFVAGGNLTYTLFNEPAHTLYGQLDSLSFGDGLSGGDTSPYSIQVPDVSFGGLNLSSLQAQGHDGVVHQVVYGLMSGDTGALETALNGILDDYGLSVNSTFDQVAAAT---------------
         ---------+---------+---------          +---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---               
                 10        20                  40        50        60        70        80        90       100       110       120       130       140       150       160       170