Chains and heterogens:
PDB Chain Sequences:
>6br6A (A:) eyrnwskpqcditgfapfskdnsirlsaggdiwvtrepyvscdpdkcyqfalgqgttlnn vhsnntvrdrtpyrtllmnelgvpfhlgtkqvciawsssschdgkawlhvcitgddknat asfiyngrlvdsvvswskeilrtqesecvcingtctvvmtdgsasgkadtkilfieegki vhtstlsgsaqhveecscyprypgvrcvcrdnwkgsnrpivdinikdhsivssyvcsglv gdtprkndssssshcldpnneegghgvkgwafddgndvwmgrtiseksrlgyetfkvieg wsnpksklqinrqvivdrgnrsgysgifsvegkscinrcfyvelirgrkeetevlwtsns ivvfcgtsgtygtgswpdgadinlmpi