>1xu7A (A:) SEQRES residues
mkhqhqhqhqhqhqqplneefrpemlqgkkvivtgaskgigremayhlakmgahvvvtar
sketlqkvvshclelgaasahyiagtmedmtfaeqfvaqagklmggldmlilnhitntsl
nlfhddihhvrksmevnflsyvvltvaalpmlkqsngsivvvsslagkvaypmvaaysas
kfaldgffssirkeysvsrvnvsitlcvlglidtetamkavsgivhmqaapkeecaleii
kggalrqeevyydsslwttllirnpsrkileflystsynmdrfink