Chains and heterogens:
PDB Chain Sequences:
>1isdA (A:) gsmdqrqklqhwihsclrkadknkdnkmnfkelkdflkelniqvddgyarkifrecdhsq tdsledeeietfykmltqraeidrafeeaagsaetlsverlvtflqhqqreeeagpalal slieryepsetakaqrqmtkdgflmyllsadgnafslahrrvyqdmdqplshylvssshn tylledqltgpssteayiralckgcrcleldcwdgpnqepiiyhgytftskilfcdvlra irdyafkaspypvilslenhcsleqqrvmarhlrailgpilldqpldgvttslpspeqlk gkillkgkklggllpaggengseatdvsdeveaaemedeavrsqvqhkpkedklklvpel sdmiiycksvhfggfsspgtsgqafyemasfsesralrllqesgngfvrhnvsclsriyp agwrtdssnyspvemwnggcqivalnfqtpgpemdvylgcfqdnggcgyvlkpaflrdpn ttfnsraltqgpwwrperlrvriisgqqlpkvnknknsivdpkviveihgvgrdtgsrqt avitnngfnprwdmefefevtvpdlalvrfmvedydssskndfigqstipwnslkqgyrh vhllskngdqhpsatlfvkisiqd
>1isdA (A:) eietfykmltqraeidrafeeaagsaetlsverlvtflqhqqreeeagpalalslierye psetakaqrqmtkdgflmyllsadgnafslahrrvyqdmdqplshylvssshntylledq ltgpssteayiralckgcrcleldcwdgpnqepiiyhgytftskilfcdvlrairdyafk aspypvilslenhcsleqqrvmarhlrailgpilldqpldgvttslpspeqlkgkillkg kklklvpelsdmiiycksvhfggfsspgtsgqafyemasfsesralrllqesgngfvrhn vsclsriypagwrtdssnyspvemwnggcqivalnfqtpgpemdvylgcfqdnggcgyvl kpaflrdpnttfnsraltqgpwwrperlrvriisgqqlpkvnknknsivdpkviveihgv grdtgsrqtavitnngfnprwdmefefevtvpdlalvrfmvedydssskndfigqstipw nslkqgyrhvhllskngdqhpsatlfvkisiqd