Sequence alignment between 2r1h(A) and UniProt seq P14527 (HBA4_ONCMY):

P14527 (HBA4_ONCMY): Hemoglobin subunit alpha-4 from Oncorhynchus mykiss
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140  
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+--
UniProt: SLSAKDKANVKAIWGKILPKSDEIGEQALSRMLVVYPQTKAYFSHWASVAPGSAPVKKHGITIMNQIDDCVGHMDDLFGFLTKLSELHATKLRVDPTNFKILAHNLIVVIAAYFPAEFTPEIHLSVDKFLQQLALALAEKYR
PDB seq: SLSAKDKANVKAIWGKILPKSDEIGEQALSRMLVVYPQTKAYFSHWASVAPGSAPVKKHGITIMNQIDDCVGHMDDLFGFLTKLSELHATKLRVDPTNFKILAHNLIVVIAAYFPAEFTPEIHLSVDKFLQQLALALAEKYR
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+--
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140