Chains and heterogens:
PDB Chain Sequences:
>3pax_ (-) ksklakpiqdlikmifdvesmkkamvefeidlqkmplgklskrqiqsaysilnevqqavs dggsesqildlsnrfytliphdfgmkkppllsnleyiqakvqmldnlldievaysllrgg nedgdkdpidinyeklrtdikvvdkdseeakiikqyvknthaathnaydlkvveifrier egesqrykpfkqlhnrqllwhgsrttnfagilsqglriappeapvtgymfgkgiyfadmv sksanychtsqadpiglillgevalgnmyelknashitklpkgkhsvkglgktapdptat ttldgvevplgngistgindtcllyneyivydvaqvnlkyllklkfnykt