Chains and heterogens:
PDB Chain Sequences:
>1n7qA (A:) vkdtytdrlddwngiiagnqyydskndqmaklnqelegkvadslssissqadriylwekf snyktsanltatyrkleemakqvtnpssryyqdetvvrtvrdsmewmhkhvynseksivg naadyeigtprainntlslmkeyfsdeeikkytdviekfvpdpehfrkttdnpfkalggn lvdmgrvkviagllrkddqeisstirsieqvfklvdqgegfyqdgsyidhtnvaytgayg nvlidglsqllpviqktknpidkdkmqtmyhwidksfapllvngelmdmsrgrsisrans eghvaavevlrgihriadmsegetkqrlqslvktivqsdsyydvfknlktykdislmqsl lsdagvasvprtsylsafnkmdktamynaekgfgfglslfssrtlnyehmnkenkrgwyt sdgmfylyngdlshysdgywptvnpykmpgttetdakradsdtgkvlpsafvgtskldda natatmdftnwnqtltahkswfmlkdkiaflgsniqntstdtaattidqrklessnpykv yvndkeaslteqekdypetqsvflessdskknigyfffkkssismskalqkgawkdineg qsdkevenefltisqahkqngdsygymlipnvdratfnqmikelessliennetlqsvyd akqgvwgivkyddsvstisnqfqvlkrgvytirkegdeykiayynpetqesapdqevfkk l