Chains and heterogens:
PDB Chain Sequences:
>1z45A (A:) mtaqlqsestskivlvtggagyigshtvveliengydcvvadnlsnstydsvarlevltk hhipfyevdlcdrkglekvfkeykidsvihfaglkavgestqiplryyhnnilgtvvlle lmqqynvskfvfsssatvygdatrfpnmipipeecplgptnpyghtkyaienilndlyns dkkswkfailryfnpigahpsgligedplgipnnllpymaqvavgrreklyifgddydsr dgtpirdyihvvdlakghiaalqyleayneneglcrewnlgsgkgstvfevyhafckasg idlpykvtgrragdvlnltakpdrakrelkwqtelqvedsckdlwkwttenpfgyqlrgv earfsaedmrydarfvtigagtrfqatfanlgasivdlkvngqsvvlgyeneegylnpds ayigatigryanriskgkfslcnkdyqltvnngvnanhssigsfhrkrflgpiiqnpskd vftaeymlidnekdtefpgdllvtiqytvnvaqksleivykgkltageatpinltnhsyf nlnkpygdtiegteimvrskksvdvdknmiptgnivdreiatfnstkptvlgpknpqfdc cfvvdenakpsqintlnneltlivkafhpdsnitlevlsteptyqfytgdflsagyearq gfaiepgryidainqenwkdcvtlkngetygskivyrfs
>1z45A (A:) skivlvtggagyigshtvveliengydcvvadnlsnstydsvarlevltkhhipfyevdl cdrkglekvfkeykidsvihfaglkavgestqiplryyhnnilgtvvllelmqqynvskf vfsssatvygdatrfpnmipipeecplgptnpyghtkyaienilndlynsdkkswkfail ryfnpigahpsgligedplgipnnllpymaqvavgrreklyifrdgtpirdyihvvdlak ghiaalqyleayneneglcrewnlgsgkgstvfevyhafckasgidlpyvlnltakpdra krelkwqtelqvedsckdlwkwttenpfgyqlrgvearfsaedmrydarfvtigagtrfq atfanlgasivdlkvngqsvvlgyeneegylnpdsayigatigryanriskgkfslcnkd yqltvnngvnanhssigsfhrkrflgpiiqnpskdvftaeymlidnekdtefpgdllvti qytvnvaqksleivykgkltageatpinltnhsyfnlnkpygdtiegteimvrskksvdv dknmiptgnivdreiatfnstkptvlgpknpqfdccfvvdenakpsqintlnneltlivk afhpdsnitlevlsteptyqfytgdflsagyearqgfaiepgryidainqenwkdcvtlk ngetygskivyrfs