Chains and heterogens:
PDB Chain Sequences:
>4m7zB (B:) evqlkesgpglvqpsqslsitctvsgfslttygvhwvrqspgkglewlgviwsggstdyn aafisrlsiskdnskshvffkmnslqandtaiyycarmrittdwfaywgqgtlvtvsaak ttppsvyplapgsaaqtnsmvtlgclvkgyfpepvtvtwnsgslssgvhtfpavlqsdly tlsssvtvpsstwpsetvtcnvahpasstkvdkkivprd
>4m7zB (B:) lkesgpglvqpsqslsitctvsgfslttygvhwvrqspgkglewlgviwsggstdynaaf isrlsiskdnskshvffkmnslqandtaiyycarmrittdwfaywgqgtlvtvsaakttp psvyplapgsaaqtnsmvtlgclvkgyfpepvtvtwnsgslssgvhtfpavlqsdlytls ssvtvpsstwpsetvtcnvahpasstkvdkkivprd
>4m7zC (C:) dilmnqtplslpvslgdqasiscrssqyivhrngntylewylqkpgqspklliykvsnrf sgvpdrfsgsgsgtdftlkisrveaedlgvyycfqgshvpytfgggtklelkradaaptv sifppsseqltsggasvvcflnnfypkdinvkwkidgserqngvlnswtdqdskdstysm sstltltkdeyerhnsytceathktstspivksfnrnec
>4m7zH (H:) evqlkesgpglvqpsqslsitctvsgfslttygvhwvrqspgkglewlgviwsggstdyn aafisrlsiskdnskshvffkmnslqandtaiyycarmrittdwfaywgqgtlvtvsaak ttppsvyplapgsaaqtnsmvtlgclvkgyfpepvtvtwnsgslssgvhtfpavlqsdly tlsssvtvpsstwpsetvtcnvahpasstkvdkkivprd
>4m7zH (H:) lkesgpglvqpsqslsitctvsgfslttygvhwvrqspgkglewlgviwsggstdynaaf isrlsiskdnskshvffkmnslqandtaiyycarmrittdwfaywgqgtlvtvsaakttp psvyplapgsaaqtnsmvtlgclvkgyfpepvtvtwnsgslssgvhtfpavlqsdlytls ssvtvpsstwpsetvtcnvahpasstkvdkkivpr
>4m7zL (L:) dilmnqtplslpvslgdqasiscrssqyivhrngntylewylqkpgqspklliykvsnrf sgvpdrfsgsgsgtdftlkisrveaedlgvyycfqgshvpytfgggtklelkradaaptv sifppsseqltsggasvvcflnnfypkdinvkwkidgserqngvlnswtdqdskdstysm sstltltkdeyerhnsytceathktstspivksfnrnec
>4m7zL (L:) dilmnqtplslpvslgdqasiscrssqyivhrngntylewylqkpgqspklliykvsnrf sgvpdrfsgsgsgtdftlkisrveaedlgvyycfqgshvpytfgggtklelkradaaptv sifppsseqltsggasvvcflnnfypkdinvkwkidgserqngvlnswtdqdskdstysm sstltltkdeyerhnsytceathktstspivksfnrne