Chains and heterogens:
PDB Chain Sequences:
>1mr5A (A:) mggshhhhhhgmaslapgssrvelfkrqsskvpfekdgkvtervvhsfrlpalvnvdgvm vaiadaryetsfdnslidtvakysvddgetwetqiaiknsrassvsrvvdptvivkgnkl yvlvgsynssrsywtshgdardwdillavgevtkstaggkitasikwgspvslkeffpae megmhtnqflggagvaivasngnlvypvqvtnkkkqvfskifysedegktwkfgkgrsaf gcsepvalewegkliintrvdyrrrlvyessdmgntwleavgtlsrvwgpspksnqpgsq ssftavtiegmrvmlfthplnfkgrwlrdrlnlwltdnqriynvgqvsigdensayssvl ykddklyclheinsnevyslvfarlvgelriiksvlqswknwdshlssictpadpaasss ergcgpavttvglvgflshsatktewedayrcvnastanaervpnglkfagvgggalwpv sqqgqnqryhfanhaftlvasvtihevpkgaspllgasldssggkkllglsydkrhqwqp iygstpvtptgswemgkryhvvltmankigsvyidgeplegsgqtvvpdertpdishfyv ggykrsgmptdsrvtvnnvllynrqlnaeeirtlflsqdligteahmd
>1mr5A (A:) gssrvelfkrqsskvpfekdgkvtervvhsfrlpalvnvdgvmvaiadaryetsfdnsli dtvakysvddgetwetqiaiknsrassvsrvvdptvivkgnklyvlvgsynssrsywtsh gdardwdillavgevtkstaggkitasikwgspvslkeffpaemegmhtnqflggagvai vasngnlvypvqvtnkkkqvfskifysedegktwkfgkgrsafgcsepvalewegkliin trvdyrrrlvyessdmgntwleavgtlsrvwgpspksnqpgsqssftavtiegmrvmlft hplnfkgrwlrdrlnlwltdnqriynvgqvsigdensayssvlykddklyclheinsnev yslvfarlvgelriiksvlqswknwdshlssictpagcgpavttvglvgflshsatktew edayrcvnastanaervpnglkfagvgggalwpvsqqgqnqryhfanhaftlvasvtihe vpkgaspllgasldssggkkllglsydkrhqwqpiygstpvtptgswemgkryhvvltma nkigsvyidgeplegsgqtvvpdertpdishfyvggykrsgmptdsrvtvnnvllynrql naeeirtlflsqdligteahm