Chains and heterogens:
PDB Chain Sequences:
>1bksA (A:) meryenlfaqlndrregafvpfvtlgdpgieqslkiidtlidagadalelgvpfsdplad gptiqnanlrafaagvtpaqcfemlalirekhptipigllmyanlvfnngidafyarceq vgvdsvlvadvpveesapfrqaalrhniapificppnadddllrqvasygrgytyllsrs gvtgaenrgalplhhlieklkeyhaapalqgfgisspeqvsaavragaagaisgsaivki ieknlaspkqmlaelrsfvsamkaasra
>1bksA (A:) meryenlfaqlndrregafvpfvtlgdpgieqslkiidtlidagadalelgvpfsdplad gptiqnanlrafaagvtpaqcfemlalirekhptipigllmyanlvfnngidafyarceq vgvdsvlvadvpveesapfrqaalrhniapificppnadddllrqvasygrgytyllalp lhhlieklkeyhaapalqgfgisspeqvsaavragaagaisgsaivkiieknlaspkqml aelrsfvsamkaasr
>1bksB (B:) mttllnpyfgefggmyvpqilmpalnqleeafvraqkdpefqaqfadllknyagrptalt kcqnitagtrttlylkredllhggahktnqvlgqallakrmgkseiiaetgagqhgvasa lasallglkcriymgakdverqspnvfrmrlmgaevipvhsgsatlkdacnealrdwsgs yetahymlgtaagphpyptivrefqrmigeetkaqildkegrlpdaviacvgggsnaigm fadfindtsvgligvepgghgietgehgaplkhgrvgiyfgmkapmmqtadgqieesysi sagldfpsvgpqhaylnsigradyvsitddealeafktlcrhegiipalesshalahalk mmreqpekeqllvvnlsgrgdkdiftvhdilkargei
>1bksB (B:) tllnpyfgefggmyvpqilmpalnqleeafvraqkdpefqaqfadllknyagrptaltkc qnitagtrttlylkredllhggahktnqvlgqallakrmgkseiiaetgagqhgvasala sallglkcriymgakdverqspnvfrmrlmgaevipvhsgsatlkdacnealrdwsgsye tahymlgtaagphpyptivrefqrmigeetkaqildkegrlpdaviacvgggsnaigmfa dfindtsvgligvepgghgietgehgaplkhgrvgiyfgmkapmmqtadgqieesysisa gldfpsvgpqhaylnsigradyvsitddealeafktlcrhegiipalesshalahalkmm reqpekeqllvvnlsgrgdkdiftvhdilkar