Chains and heterogens:
PDB Chain Sequences:
>1n26A (A:) laprrcpaqevargvltslpgdsvtltcpgvepednatvhwvlrkpaagshpsrwagmgr rlllrsvqlhdsgnyscyragrpagtvhllvdvppeepqlscfrksplsnvvcewgprst pslttkavllvrkfqnspaedfqepcqysqesqkfscqlavpegdssfyivsmcvassvg skfsktqtfqgcgilqpdppanitvtavarnprwlsvtwqdphswnssfyrlrfelryra ersktfttwmvkdlqhhcvihdawsglrhvvqlraqeefgqgewsewspeamgtpwtesr sppaenevstpmqalttnkdddnil
>1n26A (A:) laprrcpaqevargvltslpgdsvtltcpgvepednatvhwvlrkpaagshpsrwagmgr rlllrsvqlhdsgnyscyragrpagtvhllvdvppeepqlscfrksplsnvvcewgprst pslttkavllvrkfqnspaedfqepcqysqesqkfscqlavpegdssfyivsmcvassvg skfsktqtfqgcgilqpdppanitvtavarnprwlsvtwqdphswnssfyrlrfelryra ersktfttwmvkdlqhhcvihdawsglrhvvqlraqeefgqgewsewspeamgtpwtes