Chains and heterogens:
PDB Chain Sequences:
>1mreH (H:) qvqlqqsgaelvkpgasvklsckasgytftsywmqwvkqrpgqglewigeidpsdsytny nqkfkgkatltvdtssstaymqlssltsedsavyycanlrgyfdywgqgttltvssaktt ppsvyplapgcgdttgssvtlgclvkgyfpesvtvtwnsgslsssvhtfpallqsglytm sssvtvpsstwpsqtvtcsvahpassttvdkklep
>1mreH (H:) qvqlqqsgaelvkpgasvklsckasgytftsywmqwvkqrpgqglewigeidpsdsytny nqkfkgkatltvdstaymqlssltsedsavyycanlrgyfdywgqgttltvssakttpps vyplapgtgssvtlgclvkgyfpesvtvtwnsgslsssvhtfpallqsglytmsssvtvp sstwpsqtvtcsvahpassttvdkklep
>1mreL (L:) dvvmtqtplslpvslgdqasiscrssqslvhsngntylhwylqkpgqspklliykvsnrf sgvpdrfsgsgsgtdftlkisrveaedlgvyfcsqsthvprtfgggtkleikradaaptv sifppsseqltsggasvvcflnnfypkdinvkwkidgkerqngvlnswtdqnskdstysm sstltltkdeyerhnsytceathktstspivksfnrnec
>1mreL (L:) dvvmtqtplslpvslgdqasiscrssqslvhsngntylhwylqkpgqspklliykvsnrf sgvpdrfsgsgsgtdftlkisrveaedlgvyfcsqsthvprtfgggtkleikradaaptv sifppsseqltsggasvvcflnnfypkdinvkwkidgkerqngvlnswtdqnskdstysm sstltltkdeyerhnsytceathktstspivksfnrne