>8ZPN_1|Chain A[auth R]|Soluble cytochrome b562,C-X-C chemokine receptor type 4|Escherichia coli (562) MKTIIALSYIFCLVFADYKDDDDKGSADLEDNWETLNDNLKVIEKADNAAQVKDALTKMRAAALDAQKATPPKLEDKSPDSPEMKDFRHGFDILVGQIDDALKLANEGKVKEAQAAAEQLKTTRNAYIQKYLLVPRGSMEGISIYTSDNYTEEMGSGDYDSMKEPCFREENANFNKIFLPTIYSIIFLTGIVGNGLVILVMGYQKKLRSMTDKYRLHLSVADLLFVITLPFWAVDAVANWYFGNFLCKAVHVIYTVNLYSSVWILAFISLDRYLAIVHATNSQRPRKLLAEKVVYVGVWIPALLLTIPDFIFANVSEADDRYICDRFYPNDLWVVVFQFQHIMVGLILPGIVILSCYCIIISRLKSVRLLSGSREKDRNLRRITRPTVILILAFFACWLPYYIGISIDSFILLEIIKQGCEFENTVHKWISITEALAFFHCCLNPILYAFLGAKFKTSAQHALTSGRPLEVLFQGPHHHHHHHHHH >8ZPN_2|Chain B[auth N]|Nb6 nanobody|Lama glama (9844) MLLVNQSHQGFNKEHTSKMVSAIVLYVLLAAAAHSAFAMAQVQLQESGGGLVQAGESLRLSCAASGTIFRLYDMGWYRRVSGNQRELVASITSGGSTKYGDSVKGRFTISRDNAKNTVYLQMSSLKPEDTAVYYCNAEYRTGIWEELLDGWGQGTQVTVSSHHHHHHHH