Chains and heterogens:
PDB Chain Sequences:
>1lx7A (A:) msksdvfhlgltkndlqgatlaivpgdpdrvekiaalmdkpvklashrefttwraeldgk pvivcstgiggpstsiaveelaqlgirtflrigttgaiqphinvgdvlvttasvrldgas lhfaplefpavadfecttalveaaksigatthvgvtassdtfypgqerydtysgrvvrhf kgsmeewqamgvmnyemesatlltmcasqglragmvagvivnrtqqeipnaetmkqtesh avkivveaarrll
>1lx7A (A:) sdvfhlgltkndlqgatlaivpgdpdrvekiaalmdkpvklashrefttwraeldgkpvi vcstgiggpstsiaveelaqlgirtflrigttgaiqphinvgdvlvttasvrldgaslhf aplefpavadfecttalveaaksigatthvgvtassdtfypgqerydtysgrvvrhfkgs meewqamgvmnyemesatlltmcasqglragmvagvivnrtqqeipnaetmkqteshavk ivveaarrll
>1lx7B (B:) msksdvfhlgltkndlqgatlaivpgdpdrvekiaalmdkpvklashrefttwraeldgk pvivcstgiggpstsiaveelaqlgirtflrigttgaiqphinvgdvlvttasvrldgas lhfaplefpavadfecttalveaaksigatthvgvtassdtfypgqerydtysgrvvrhf kgsmeewqamgvmnyemesatlltmcasqglragmvagvivnrtqqeipnaetmkqtesh avkivveaarrll
>1lx7B (B:) ksdvfhlgltkndlqgatlaivpgdpdrvekiaalmdkpvklashrefttwraeldgkpv ivcstgiggpstsiaveelaqlgirtflrigttgaiqphinvgdvlvttasvrldgaslh faplefpavadfecttalveaaksigatthvgvtassdtfsmeewqamgvmnyemesatl ltmcasqglragmvagvivntmkqteshavkivveaarrll