Chains and heterogens:
PDB Chain Sequences:
>3q02A (A:) vhhppsyvahlasdfgvrvfqqvaqaskdrnvvfspygvasvlamlqlttggetqqqiqa amgfkiddkgmapalrhlykelmgpwnkdeisttdaifvqrdlklvqgfmphffrlfrst vkqvdfseverarfiindwvkthtkgmisnllgkgavdqltrlvlvnalyfngqfktpfp dssthrrlfhksdgstvsvpmmaqtnkfnytefttpdghyydilelpyhgdtlsmfiaap yekevplsaltnilsaqlishwkgnmtrlprllvlpkfsletevdlrkplenlgmtdmfr qfqadftslsdqeplhvaqalqkvkievnesgtvassstavivsarmapeeiimdrpflf vvrhnptgtvlfmgqvmep
>3q02A (A:) syvahlasdfgvrvfqqvaqaskdrnvvfspygvasvlamlqlttggetqqqiqaamgfk iddkgmapalrhlykelmgpwnkdeisttdaifvqrdlklvqgfmphffrlfrstvkqvd fseverarfiindwvkthtkgmisnllgkgavdqltrlvlvnalyfngqfktpfpdssth rrlfhksdgstvsvpmmaqtnkfnytefttpdghyydilelpyhgdtlsmfiaapyekev plsaltnilsaqlishwkgnmtrlprllvlpkfsletevdlrkplenlgmtdmfrqfqad ftslsdqeplhvaqalqkvkievnesapeeiimdrpflfvvrhnptgtvlfmgqvmep
>3q02B (B:) vhhppsyvahlasdfgvrvfqqvaqaskdrnvvfspygvasvlamlqlttggetqqqiqa amgfkiddkgmapalrhlykelmgpwnkdeisttdaifvqrdlklvqgfmphffrlfrst vkqvdfseverarfiindwvkthtkgmisnllgkgavdqltrlvlvnalyfngqfktpfp dssthrrlfhksdgstvsvpmmaqtnkfnytefttpdghyydilelpyhgdtlsmfiaap yekevplsaltnilsaqlishwkgnmtrlprllvlpkfsletevdlrkplenlgmtdmfr qfqadftslsdqeplhvaqalqkvkievnesgtvassstavivsarmapeeiimdrpflf vvrhnptgtvlfmgqvmep
>3q02B (B:) vhhppsyvahlasdfgvrvfqqvaqaskdrnvvfspygvasvlamlqlttggetqqqiqa amgfkiddkgmapalrhlykelmgpwnkdeisttdaifvqrdlklvqgfmphffrlfrst vkqvdfseverarfiindwvkthtkgmisnllgkgavdqltrlvlvnalyfngqfktpfp dssthrrlfhksdgstvsvpmmaqtnkfnytefttpdghyydilelpyhgdtlsmfiaap yekevplsaltnilsaqlishwkgnmtrlprllvlpkfsletevdlrkplenlgmtdmfr qfqadftslsdqeplhvaqalqkvkievnespeeiimdrpflfvvrhnptgtvlfmgqvm ep