>1q4kA (A:) observed residues (from ATOM records)
chlsdmlqqlhsvnaskpserglvrqeeaedpacipifwvskwvdysdkyglgyqlcdns
vgvlfndstrlilyndgdslqyierdgtesyltvsshpnslmkkitllkyfrnymsehll
kaganitpregdelarlpylrtwfrtrsaiilhlsngsvqinffqdhtklilcplmaavt
yidekrdfrtyrlslleeygcckelasrlryartmvdkllss