>1sw4A (A:) observed residues (from ATOM records)
ervvigskpfneqyilanmiailleengykaevkeglggtlvnyealkrndiqlyveytg
taynvilrkqppelwdqqyifdevkkglleadgvvvaaklgfrddyalavradwaeengv
ekisdlaefadqlvfgsdpefasrpdglpqikkvygfefkevkqmeptlmyeaiknkqvd
vipayttdsrvdlfnlkileddkgalppydaiiivngntakdeklisvlklledridtdt
mralnyqydvekkdareiamsflkeqglvk