Chains and heterogens:
PDB Chain Sequences:
>3dkkA (A:) eddiiiatkngkvrgmqltvfggtvtaflgipyaqpplgrlrfkkpqsltkwsdiwnatk yansccqnidqsfpgfhgsemwnpntdlsedclylnvwipapkpknatvliwiygggfqt gtsslhvydgkflarvervivvsmnyrvgalgflalpgnpeapgnmglfdqqlalqwvqk niaafggnpksvtlfgexagaasvslhllspgshslftrailqsgsfnapwavtslyear nrtlnlakltgcsreneteiikclrnkdpqeillneafvvpygtplsvnfgptvdgdflt dmpdillelgqfkktqilvgvnkdegtaflvygapgfskdnnsiitrkefqeglkiffpg vsefgkesilfhytdwvddqrpenyrealgdvvgdynficpaleftkkfsewgnnaffyy fehrssklpwpewmgvmhgyeiefvfglplerrdqytkaeeilsrsivkrwanfakygnp qetqnqstswpvfksteqkyltlntestrimtklraqqcrfwtsffpkv
>3dkkA (A:) diiiatkngkvrgmqltvfggtvtaflgipyaqpplgrlrfkkpqsltkwsdiwnatkya nsccqnidqsfpgfhgsemwnpntdlsedclylnvwipapkpknatvliwiygggfqtgt sslhvydgkflarvervivvsmnyrvgalgflalpgnpeapgnmglfdqqlalqwvqkni aafggnpksvtlfgexagaasvslhllspgshslftrailqsgsfnapwavtslyearnr tlnlakltgcsreneteiikclrnkdpqeillneafvvpygtplsvnfgptvdgdfltdm pdillelgqfkktqilvgvnkdegtaflvygapgfskdnnsiitrkefqeglkiffpgvs efgkesilfhytdwvddqrpenyrealgdvvgdynficpaleftkkfsewgnnaffyyfe hrssklpwpewmgvmhgyeiefvfglplerrdqytkaeeilsrsivkrwanfakygnpqe tqnqstswpvfksteqkyltlntestrimtklraqqcrfwtsffpkv