>4u83A (A:) observed residues (from ATOM records)
hhhhmlltdtqeqireaardfaqerlapgaaardrehafpraeltemgalgflgmlapee
wggsdldmvayalaleeiaagdgacstivsvhssvgcmpilrfgtedqkrrflpkmacge
wiggfalteplktrarldgdhyvidgskqfitsgkngnvvivfavtdpaagkkgisafiv
ptdtpgyevmsvehklgqhssdtcalgftnmrvpvenrlgaegegykialanleggrigi
aaqavgmaraafeaardyareritfgkpiiehqavafrladmatrietarqmvlhaaalr
eagkpclteasmaklvasemaeqvcsaaiqihggygyladypveriyrdvrvcqiyegts
dvqrlviargl