>4XT1_1|Chain A|G-protein coupled receptor homolog US28|Cytomegalovirus (10358) DYKDDDDAMTPTTTTAELTTEFDYDEDATPCVFTDVLNQSKPVTLFLYGVVFLFGSIGNFLVIFTITWRRRIQCSGDVYFINLAAADLLFVCTLPLWMQYLLDHNSLASVPCTLLTACFYVAMFASLCFITEIALDRYYAIVYMRYRPVKQACLFSIFWWIFAVIIAIPHFMVVTKKDNQCMTDYDYLEVSYPIILNVELMLGAFVIPLSVISYCYYRISRIVAVSQSRHKGRIVRVLIAVVLVFIIFWLPYHLTLFVDTLKLLKWISSSCEFERSLKRALILTESLAFCHCCLNPLLYVFVGTKFRQELHCLLAEFRQRLFSRDVSWYHSMSFSRRSSPSRRETSSDTLSDEVCRVSQIIP >4XT1_2|Chain B|Fractalkine|Homo sapiens (9606) QHHGVTKCAITCSKMTSKIPVALLIHYQQNQASCGKRAIILETRQHRLFCADPKEQWVKDAMQHLDRQAAALTRNGGSGSGSAAALEVLFQ >4XT1_3|Chain C|nanobody 7|Vicugna pacos (30538) GPGSQVQLVESGGGLVRPGGSLRLSCAASGSIFTIYAMGWYRQAPGKQRELVARITFGGDTNYADSVKGRFTISRDNAKNAVYLQMNSLKPEDTAVYYCNAEETIVEEADYWGQGTQVTVSSRAAAHHHHHHHH