Sequence alignment between 2vb6(B) and UniProt seq P62149 (CALM_CHICK):

P62149 (CALM_CHICK): Calmodulin from Gallus gallus
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140         
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------
UniProt: MADQLTEEQIAEFKEAFSLFDKDGDGTITTKELGTVMRSLGQNPTEAELQDMINEVDADGNGTIDFPEFLTMMARKMKDTDSEEEIREAFRVFDKDGNGYISAAELRHVMTNLGEKLTDEEVDEMIREADIDGDGQVNYEEFVQMMTAK
         ...................................................................................................X............................X..............X...X.
PDB seq: ---QLTEEQIAEFKEAFSLFDKDGDGTITTKELGTVMRSLGQNPTEAELQDMINEVDADGNGTIDFPEFLTMMARKMKDTDSEEEIREAFRVFDKDGNGFISAAELRHVMTNLGEKLTDEEVDEMIRESDIDGDGQVNYEEFVTMMTS-
            -------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+------- 
                  10        20        30        40        50        60        70        80        90       100       110       120       130       140