Chains and heterogens:
PDB Chain Sequences:
>4axbA (A:) diiiatkngkvrgmqltvfggtvtaflgipyaqpplgrlrfkkpqsltkwsdiwnatkya nsccqnidqsfpgfhgsemwnpntdlsedclylnvwipapkpknatvliwiygggfqtgt sslhvydgkflarvervivvsmnyrvgalgflalpgnpeapgnmglfdqqlalqwvqkni aafggnpksvtlfgexagaasvslhllspgshslftrailqsgsfnapwavtslyearnr tlnlakltgcsreneteiikclrnkdpqeillneafvvpygtplsvnfgptvdgdfltdm pdillelgqfkktqilvgvnkdegtaflvygapgfskdnnsiitrkefqeglkiffpgvs efgkesilfhytdwvddqrpeqyrealgdvvgdynficpaleftkkfsewgnnaffyyfe hrssklpwpewmgvmhgyeiefvfglplerrdqytkaeeilsrsivkrwanfakygnpqe tqnnstswpvfksteqkyltlntestrimtklraqqcrfwtsffpkv