Chains and heterogens:
PDB Chain Sequences:
>1a76_ (-) gvqfgdfipkniisfedlkgkkvaidgmnalyqfltsirlrdgsplrnrkgeitsayngv fyktihllenditpiwvfdgeppklkektrkvrremkekaelkmkeaikkedfeeaakya krvsyltpkmvenckyllslmgipyveapsegeaqasymakkgdvwavvsqdydallyga prvvrnltttkempelielnevledlrislddlidiaifmgtdynpggvkgigfkrayel vrsgvakdvlkkeveyydeikrifkepkvtdnyslslklpdkegiikflvdendfnydrv kkhvdklynliankt