Chains and heterogens:
PDB Chain Sequences:
>4c2xA (A:) mgsshhhhhhssglevlfqgphmdeaakhryqfwdtqpvpkldevitshgaiepdkdnvr qepyslpqgfmwdtldlsdaevlkelytllnenyvedddnmfrfdyspefllwalrppgw llqwhcgvrvssnkklvgfisaipaniriydsvkkmveinflcvhkklrskrvapvlire itrrvnlegifqavytagvvlpkpiatcrywhrslnpkklvevkfshlsrnmtlqrtmkl yrlpdvtktsglrpmepkdiksvrelintylkqfhlapvmdeeevahwflprehiidtfv vespngkltdflsfytlpstvmhhpahkslkaaysfynihtetplldlmsdalilakskg fdvfnaldlmenktfleklkfgigdgnlqyylynwrcpgtdsekvglvlq
>4c2xA (A:) mdeaakhryqfwdtqpvpkldevitshgaiepdkdnvrqepyslpqgfmwdtldlsdaev lkelytllnenyvedddnmfrfdyspefllwalrppgwllqwhcgvrvssnkklvgfisa ipaniriydsvkkmveinflcvhkklrskrvapvlireitrrvnlegifqavytagvvlp kpiatcrywhrslnpkklvevkfshlsrnmtlqrtmklyrlpdvtktsglrpmepkdiks vrelintylkqfhlapvmdeeevahwflprehiidtfvvespngkltdflsfytlpstvm hhpahkslkaaysfynihtetplldlmsdalilakskgfdvfnaldlmenktfleklkfg igdgnlqyylynwrcpgtdsekvglvlq