Chains and heterogens:
PDB Chain Sequences:
>1gcbA (A:) msssidiskinswnkefqsdlthqlattvlknynaddallnktrlqkqdnrvfntvvstd stpvtnqkssgrcwlfaatnqlrlnvlselnlkefelsqaylffydklekanyfldqivs sadqdidsrlvqyllaaptedggqysmflnlvkkyglipkdlygdlpysttasrkwnsll ttklrefaetlrtalkersaddsiivtlreqmqreifrlmslfmdippvqpneqftweyv dkdkkihtikstplefaskyakldpstpvslindprhpygklikidrlgnvlggdaviyl nvdnetlsklvvkrlqnnkavffgshtpkfmdkktgvmdielwnypaigynlpqqkasri ryheslmthamlitgchvdetsklplryrvenswgkdsgkdglyvmtqkyfeeycfqivv dinelpkelaskftsgkeepivlpiwdpmgalak
>1gcbA (A:) sssidiskinswnkefqsdlthqlattvlknynaddallnktrlqkqdnrvfntvvstds tpvtnqkssgrcwlfaatnqlrlnvlselnlkefelsqaylffydklekanyfldqivss adqdidsrlvqyllaaptedggqysmflnlvkkyglipkdlygdlpysttasrkwnsllt tklrefaetlrtalkersaddsiivtlreqmqreifrlmslfmdippvqpneqftweyvd kdkkihtikstplefaskyakldpstpvslindprhpygklikidrlgnvlggdaviyln vdnetlsklvvkrlqnnkavffgshtpkfmdkktgvmdielwnypaigynlpqqkasrir yheslmthamlitgchvdetsklplryrvenswgkdsgkdglyvmtqkyfeeycfqivvd inelpkelaskftsgkeepivlpiwdpmgala