Chains and heterogens:
PDB Chain Sequences:
>6zcvA (A:) mtrsprrplfavslvlsamllagaahaavsneeilqdpknpqqivtnglgvqgqryspld llnvnnvkelrpvwafsfggekqrgqqaqplikdgvmyltgsysrvfavdartgkklwqy darlpddirpccdvinrgvalygnlvffgtldaklvalnkdtgkvvwskkvadhkegysi saapmivngklitgvaggefgvvgkiqaynpengellwmrptveghmgyvykdgkaieng isggeagktwpgdlwktggaapwlggyydpetnlilfgtgnpapwnshlrpgdnlysssr lalnpddgtikwhfqstphdgwdfdgvnelisfnykdggkevkaaatadrngffyvldrt ngkfirgfpfvdkitwatgldkdgrpiyndasrpgapgseakgssvfvapavlgaknwmp maynkdtglfyvpsnewgmdiwnegiaykkgaaflgagftikplnedyigvlraidpvsg kevwrhknyaplwggvlttkgnlvftgtpegflqafnaktgdkvwefqtgsgvlgspvtw emdgeqyvsvvsgwggavplaggevakrvkdfnqggmlwtfklpkqlqqtasvkphhhhh h
>6zcvA (A:) avsneeilqdpknpqqivtnglgvqgqryspldllnvnnvkelrpvwafsfggekqrgqq aqplikdgvmyltgsysrvfavdartgkklwqydarlpddirpccdvinrgvalygnlvf fgtldaklvalnkdtgkvvwskkvadhkegysisaapmivngklitgvaggefgvvgkiq aynpengellwmrptveghmgyvykdgkaiengisggeagktwpgdlwktggaapwlggy ydpetnlilfgtgnpapwnshlrpgdnlysssrlalnpddgtikwhfqstphdgwdfdgv nelisfnykdggkevkaaatadrngffyvldrtngkfirgfpfvdkitwatgldkdgrpi yndasrpgapgseakgssvfvapavlgaknwmpmaynkdtglfyvpsnewgmdiwnegia ykkgaaflgagftikplnedyigvlraidpvsgkevwrhknyaplwggvlttkgnlvftg tpegflqafnaktgdkvwefqtgsgvlgspvtwemdgeqyvsvvsgwggavplaggevak rvkdfnqggmlwtfklpkqlqq