Chains and heterogens:
PDB Chain Sequences:
>1ct8A (A:) elvmtqtpatlsvtpgdsvslscrasqsvsnklhwyqqkshesprllikfasqsipgips rfsgsgsgsdftlsinsvetedfgiyfchqthgrpltfgagtklelkradaaptvsifpp sseqltsggasvvcflnnfypkdinvkwkidgserqngvlnswtdqdskdstysmsstlt ltkdeyerhnsytceathktstspivksfnrnec
>1ct8B (B:) qvkllesgavlvkpgasvklscktsgftfsssyinwlkqkpgqslewiawiyagsggtvy nqhftdkarltvdtssstaymqfsslttedsaiyycaryrydegfaywgqgtlvtvsaak ttppsvyplapgsaaqtnsmvtlgclvkgyfpepvtvtwnsgslssgvhtfpavlqsdly tlsssvtvpsstwpsetvtcnvahpasstkvdkkivprdc
>1ct8C (C:) elvmtqtpatlsvtpgdsvslscrasqsvsnklhwyqqkshesprllikfasqsipgips rfsgsgsgsdftlsinsvetedfgiyfchqthgrpltfgagtklelkradaaptvsifpp sseqltsggasvvcflnnfypkdinvkwkidgserqngvlnswtdqdskdstysmsstlt ltkdeyerhnsytceathktstspivksfnrnec
>1ct8D (D:) qvkllesgavlvkpgasvklscktsgftfsssyinwlkqkpgqslewiawiyagsggtvy nqhftdkarltvdtssstaymqfsslttedsaiyycaryrydegfaywgqgtlvtvsaak ttppsvyplapgsaaqtnsmvtlgclvkgyfpepvtvtwnsgslssgvhtfpavlqsdly tlsssvtvpsstwpsetvtcnvahpasstkvdkkivprdc