Chains and heterogens:
PDB Chain Sequences:
>1bm3H (H:) evqlvqsggglvnpgrslklscaasgftfssygmswvrqtpekrlewvaaisgggtyihy pdsvkgrftisrdnaknnlylqmsslrsedtalyyctrhpfyrydggnyyamdhwgqgts vtvsaakttppsvyplapgsaaqtnsmvtlgclvkgyfpepvtvtwnsgslssgvhtfpa vlqsdlytlsssvtvpssprpsetvtcnvahpasstkvdkkivprdc
>1bm3H (H:) evqlvqsggglvnpgrslklscaasgftfssygmswvrqtpekrlewvaaisgggtyihy pdsvkgrftisrdnaknnlylqmsslrsedtalyyctrhamdhwgqgtsvtvsaakttpp svyplapgsaaqtnsmvtlgclvkgyfpepvtvtwnsgslssgvhtfpavlqsdlytlss svtvpssprpsetvtcnvahpasstkvdkkivprdc
>1bm3L (L:) delltqspatlsvtpgdsvslscrasqsisnnlhwyqqkshesprllikyasqsisgips rfsgsgsgtdftlsinsvetedfgmyfcqqsnswpltfgggskleikradaaptvsifpp sseqltsggasvvcflnnfypkdinvkwkidgserqngvlnswtdqdskdstysmsstlt ltkdeyerhnsytceathktstspivksfnrnec