Chains and heterogens:
PDB Chain Sequences:
>4a68A (A:) mtlekfvdalpipdtlkpvqqskektyyevtmeecthqlhrdlpptrlwgynglfpgpti evkrnenvyvkwmnnlpsthflpidhtihhsdsqheepevktvvhlhggvtpddsngype awfskdfeqtgpyfkrevyhypnqqrgailwyhdhamaltrlnvyaglvgayiihdpkek rlklpsdeydvpllitdrtinedgslfypsapenpspslpnpsivpafcgetilvngkvw pyleveprkyrfrvinasntrtynlsldnggdfiqigsdggllprsvklnsfslapaery diiidftayegesiilansagcggdvnpetdanimqfrvtkplaqkdesrkpkylasyps vqheriqnirtlklagtqdeygrpvlllnnkrwhdpvtetpkvgtteiwsiinptrgthp ihlhlvsfrvldrrpfdiaryqesgelsytgpavppppsekgwkdtiqahagevlriaat fgpysgryvwhchilehedydmmrpmditdphk
>4a68A (A:) tlekfvdalpipdtlkpvqqskektyyevtmeecthqlhrdlpptrlwgynglfpgptie vkrnenvyvkwmnnlpsthflpidhtihepevktvvhlhggvtpddsngypeawfskdfe qtgpyfkrevyhypnqqrgailwyhdhamaltrlnvyaglvgayiihdpkekrlklpsde ydvpllitdrtinedgslfypsapenpspslpnpsivpafcgetilvngkvwpylevepr kyrfrvinasntrtynlsldnggdfiqigsdggllprsvklnsfslapaerydiiidfta yegesiilansagcggdvnpetdanimqfrvtkplaqkdesrkpkylasypsvqheriqn irtlklagtqdeygrpvlllnnkrwhdpvtetpkvgtteiwsiinptrgthpihlhlvsf rvldrrpfdiaryqesgelsytgpavppppsekgwkdtiqahagevlriaatfgpysgry vwhchilehedydmmrpmditd