>4rvkA (A:) observed residues (from ATOM records)
vpfvedwdlvqtlgegaygevqlavnrvteeavavkivdmknikkeicinkmlnhenvvk
fyghrregniqylfleycsggelfdriepdigmpepdaqrffhqlmagvvylhgigithr
dikpenlllderdnlkisdfglatvfrynnrerllnkmcgtlpyvapellkrrefhaepv
dvwscgivltamlagelpwdqpsdscqeysdwkekktylnpwkkidsaplallhkilven
psaritipdikkdrwynkplkkga