Chains and heterogens:
PDB Chain Sequences:
>1efyA (A:) ksklakpiqdlikmifdvesmkkamvefeidlqkmplgklskrqiqsaysilnevqqavs dggsesqildlsnrfytliphdfgmkkppllsnleyiqakvqmldnlldievaysllrgg nedgdkdpidinyeklrtdikvvdkdseeakiikqyvknthaathnaydlkvveifrier egesqrykpfkqlhnrqllwhgsrttnfagilsqglriappeapvtgymfgkgiyfadmv sksanychtsqadpiglillgevalgnmyelknashitklpkgkhsvkglgktapdptat ttldgvevplgngistgindtcllyneyivydvaqvnlkyllklkfnykt