Chains and heterogens:
PDB Chain Sequences:
>1vpeA (A:) ekmtirdvdlkgkrvimrvdfnvpvkdgvvqddtriraalptikyaleqgakvillshlg rpkgepspefslapvakrlsellgkevkfvpavvgdevkkaveelkegevlllentrfhp getkndpelakfwasladihvndafgtahrahasnvgiaqfipsvagflmekeikflskv tynpekpyvvvlggakvsdkigvitnlmekadriliggammftflkalgkevgssrveed kidlakelvekakekgveivlpvdaviaqkiepgvekkvvriddgipegwmgldigpeti elfkqklsdaktvvwngpmgvfeiddfaegtkqvalaiaaltekgaitvvgggdsaaavn kfgledkfshvstgggasleflegkelpgiasmrikka