Chains and heterogens:
PDB Chain Sequences:
>1zqcA (A:) etlnggitdmltelanfeknvsqaihkynayrkaasviakyphkiksgaeakklpgvgtk iaekideflatgklrklekirqddtsssinfltrvsgigpsaarkfvdegiktledlrkn edklnhhqriglkyfgdfekripreemlqmqdivlnevkkvdseyiatvcgsfrrgaess gdmdvllthpsftsestkqpkllhqvveqlqkvhfitdtlskgetkfmgvcqlpskndek eyphrridirlipkdqyycgvlyftgsdifnknmrahalekgftineytirplgvtgvag eplpvdsekdifdyiqwkyrepkdrse