Chains and heterogens:
PDB Chain Sequences:
>1sw2A (A:) csqsservvigskpfneqyilanmiailleengykaevkeglggtlvnyealkrndiqly veytgtaynvilrkqppelwdqqyifdevkkglleadgvvvaaklgfrddyalavradwa eengvekisdlaefadqlvfgsdpefasrpdglpqikkvygfefkevkqmeptlmyeaik nkqvdvipayttdsrvdlfnlkileddkgalppydaiiivngntakdeklisvlklledr idtdtmralnyqydvekkdareiamsflkeqglvk
>1sw2A (A:) ervvigskpfneqyilanmiailleengykaevkeglggtlvnyealkrndiqlyveytg taynvilrkqppelwdqqyifdevkkglleadgvvvaaklgfrddyalavradwaeengv ekisdlaefadqlvfgsdpefasrpdglpqikkvygfefkevkqmeptlmyeaiknkqvd vipayttdsrvdlfnlkileddkgalppydaiiivngntakdeklisvlklledridtdt mralnyqydvekkdareiamsflkeqglvk