Chains and heterogens:
PDB Chain Sequences:
>2hvm_ (-) ggiaiywgqngnegtltqtcstrkysyvniaflnkfgngqtpqinlaghcnpaaggctiv sngirscqiqgikvmlslgggigsytlasqadaknvadylwnnflggksssrplgdavld gidfdiehgstlywddlarylsayskqgkkvyltaapqcpfpdrylgtalntglfdyvwv qfynnppcqyssgninniinswnrwttsinagkiflglpaapeaagsgyvppdvlisril peikkspkyggvmlwskfyddkngysssildsv