Sequence alignment between 4zk7(M) and UniProt seq Q7SIA8 (CUTA_THET8):

Q7SIA8 (CUTA_THET8): Divalent-cation tolerance protein CutA from Thermus thermophilus (strain ATCC 27634 / DSM 579 / HB8) 
                 10        20        30        40        50        60        70        80        90       100   
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---
UniProt: MEEVVLITVPSEEVARTIAKALVEERLAACVNIVPGLTSIYRWQGEVVEDQELLLLVKTTTHAFPKLKERVKALHPYTVPEIVALPIAEGNREYLDWLRENTG
         ...........XX..XX..X......................XX.X..X.X..........X..........X....X.........................
PDB seq: MEEVVLITVPSALVAVKIAHALVEERLAACVNIVPGLTSIYREEGSVVSDHELLLLVKTTTDAFPKLKERVKELHPYEVPEIVALPIAEGNREYLDWLRENTG
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---
                 10        20        30        40        50        60        70        80        90       100