Chains and heterogens:
PDB Chain Sequences:
>6i15A (A:) mtangtaeavqiqfglincgnkyltaeafgfkvnasasslkkkqiwtleqppdeagsaav clrshlgrylaadkdgnvtcerevpgpdcrflivahddgrwslqseahrryfggtedrls cfaqtvspaekwsvhiamhpqvniysvtrkryahlsarpadeiavdrdvpwgvdslitla fqdqrysvqtadhrflrhdgrlvarpepatgytlefrsgkvafrdcegrylapsgpsgtl kagkatkvgkdelfaleqscaqvvlqaanernvstrqgmdlsanqdeetdqetfqleidr dtkkcafrthtgkywtltatggvqstassknascyfdiewrdrritlrasngkfvtskkn gqlaasvetagdselflmklinrpiivfrgehgfigcrkvtgtldanrssydvfqlefnd gaynikdstgkywtvgsdsavtssgdtpvdfffefcdynkvaikvggrylkgdhagvlka saetvdpaslwey
>6i15A (A:) vqiqfglincgnkyltaeafgfkvnasasslkkkqiwtleqppdeagsaavclrshlgry laadkdgnvtcerevpgpdcrflivahddgrwslqseahrryfggtedrlscfaqtvspa ekwsvhiamhpqvniysvtrkryahlsarpadeiavdrdvpwgvdslitlafqdqrysvq tadhrflrhdgrlvarpepatgytlefrsgkvafrdcegrylapsgpsgtlkagkatkvg kdelfaleqscaqvvlqaanernvstrqgmdlsanqdeetdqetfqleidrdtkkcafrt htgkywtltatggvqstassknascyfdiewrdrritlrasngkfvtskkngqlaasvet agdselflmklinrpiivfrgehgfigcrkvtgtldanrssydvfqlefndgaynikdst gkywtvgsdsavtssgdtpvdfffefcdynkvaikvggrylkgdhagvlkasaetvdpas lwey