Chains and heterogens:
PDB Chain Sequences:
>6r6wA (A:) iiiatkngkvrgmqltvfggtvtaflgipyaqpplgrlrfkkpqsltkwsdiwnatkyan sccqnidqsfpgfhgsemwnpntdlsedclylnvwipapkpknatvliwiygggfqtgts slhvydgkflarvervivvsmnyrvgalgflalpgnpeapgnmglfdqqlalqwvqknia afggnpksvtlfgesagaasvslhllspgshslftrailqsgsfnapwavtslyearnrt lnlakltgcsreneteiikclrnkdpqeillneafvvpygtplsvnfgptvdgdfltdmp dillelgqfkktqilvgvnkdegtaflvygapgfskdnnsiitrkefqeglkiffpgvse fgkesilfhytdwvddqrpenyrealgdvvgdynficpaleftkkfsewgnnaffyyfeh rssklpwpewmgvmhgyeiefvfglplerrdqytkaeeilsrsivkrwanfakygnpqet qnqstswpvfksteqkyltlntestrimtklraqqcrfwtsffpkv