>3n63A (A:) observed residues (from ATOM records)
rflkvknwetdvvltdtlhlkstletgctehicmgsivlptkdqlfplakefldqyyssi
krfgskahmdrleevnkeieststyqlkdteliygakhawrnasrcvgriqwsklqvfda
rdcttahgmfnyicnhvkyatnkgnlrsaitifpqrtdgkhdfrvwnsqliryagykqpd
gstlgdpanvqfteiciqqgwkaprgrfdvlplllqangndpelfqippelvlevpirhp
kfdwfkdlglkwyglpavsnmlleigglefsacpfsgwymgteigvrnycdnsrynilee
vakkmdldmrktsslwkdqalveiniavlysfqsdkvtivdhhsatesfikhmeneyrcr
ggcpadwvwivppmsgsitpvfhqemlnyrltpsfeyqpdpwnthvw