Chains and heterogens:
PDB Chain Sequences:
>1zid_ (-) aglldgkrilvsgiitdssiafhiarvaqeqgaqlvltgfdrlrliqritdrlpakapll eldvqneehlaslagrvteaigagnkldgvvhsigfmpqtgmginpffdapyadvskgih isaysyasmakallpimnpggsivgmdfdpsrampaynwmtvaksalesvnrfvareagk ygvrsnlvaagpirtlamsaivggalgeeagaqiqlleegwdqrapigwnmkdatpvakt vcallsdwlpattgdiiyadggahtqll