>1sw4B (B:) observed residues (from ATOM records)
ervvigskpfneqyilanmiailleengykaevkeglggtlvnyealkrndiqlyveytg
taynvilrkqppelwdqqyifdevkkglleadgvvvaaklgfrddyalavradwaeengv
ekisdlaefadqlvfgsdpefasrpdglpqikkvygfefkevkqmeptlmyeaiknkqvd
vipayttdsrvdlfnlkileddkgalppydaiiivngntakdeklisvlklledridtdt
mralnyqydvekkdareiamsflkeqglvk