>1w39A (A:) observed residues (from ATOM records)
qdrtvtspltikqpfqsevlfagtkdaeasltianidsvstlttfyrhasleslwvtihp
tlqaptfpttvgvcwvpaqspvtpaqitktyggqifciggaiqtlsplivkcplemmqpr
vkdsiqyldspkllisitaqptappastciitvsgtlsmhsplitdtst