Chains and heterogens:
PDB Chain Sequences:
>1jckA (A:) avtqsprnkvavtggkvtlscqqtnnhnnmywyrqdtghglrlihysygagstekgdipd gykasrpsqeqfslilelatpsqtsvyfcasgggrgsyaeqffgpgtrltvledlrqvtp pkvslfepskaeiankqkatlvclargffpdhvelswwvngkevhsgvstdpqaykesny syclssrlrvsatfwhnprnhfrcqvqfhglseedkwpegspkpvtqnisaeawgrad
>1jckB (B:) esqpdpmpddlhksseftgtmgnmkylyddhyvsatkvksvdkflahdliynindkklnn ydkvktellnedlankykdevvdvygsnyyvncyfsskdnvgkvtsgktcmyggitkheg nhfdngnlqnvlirvyenkrntisfevqtdkksvtaqeldikarnflinkknlyefnssp yetgyikfiesngntfwydmmpapgdkfdqskylmiykdnkmvdsksvkievhlttkng
>1jckC (C:) avtqsprnkvavtggkvtlscqqtnnhnnmywyrqdtghglrlihysygagstekgdipd gykasrpsqeqfslilelatpsqtsvyfcasgggrgsyaeqffgpgtrltvledlrqvtp pkvslfepskaeiankqkatlvclargffpdhvelswwvngkevhsgvstdpqaykesny syclssrlrvsatfwhnprnhfrcqvqfhglseedkwpegspkpvtqnisaeawgrad
>1jckD (D:) esqpdpmpddlhksseftgtmgnmkylyddhyvsatkvksvdkflahdliynindkklnn ydkvktellnedlankykdevvdvygsnyyvncyfsskdnvgkvtsgktcmyggitkheg nhfdngnlqnvlirvyenkrntisfevqtdkksvtaqeldikarnflinkknlyefnssp yetgyikfiesngntfwydmmpapgdkfdqskylmiykdnkmvdsksvkievhlttkng