Chains and heterogens:
PDB Chain Sequences:
>1cqvA (A:) esqpdptpdelhksseftgtmgnmkylyddhyvsatkvmsvdkflahdliynisdkklkn ydkvktellnedlakkykdevvdvygsnyyvncyfsskdnvgkvtggktcmyggitkheg nhfdngnlqnvlirvyenkrntisfevqtdkksvtaqeldikarnflinkknlyefnssp yetgyikfienngntfwydmmpapgdkfdqskylmmyndnktvdsksvkievhlttkng
>1cqvA (A:) esqpdptpdelhksseftgtmgnmkylyddhyvsatkvmsvdkflahdliynisdkklkn ydkvktellnedlakkykdevvdvygsnyyvncyfsskggktcmyggitkhegnhfdngn lqnvlirvyenkrntisfevqtdkksvtaqeldikarnflinkknlyefnsspyetgyik fienngntfwydmmpapgdkfdqskylmmyndnktvdsksvkievhlttkng