>1xt9A (A:) observed residues (from ATOM records) dpvvlsymdsllrqsdvslldppswlndhiigfafeyfansqfhdcsdhvsfispevtqf ikctsneiamflepldlpnkrvvflaindnsnqaaggthwsllvylqdknsffhydshsr snsvhakqvaekleaflgrkgdklafveekapaqqnsydcgmyvicntealcqnffrqqt esllqlltpayitkkrgewkdlittlak