Chains and heterogens:
PDB Chain Sequences:
>3a3vA (A:) mekttegafytreyrnlfkefgyseaeiqervkdtweqlfgdnpetkiyyevgddlgyll dtgnldvrtegmsygmmmavqmdrkdifdriwnwtmknmymtegvhagyfawscqpdgtk nswgpapdgeeyfalalffashrwgdgdeqpfnyseqarkllhtcvhngeggpghpmwnr dnklikfipevefsdpsfhlphfyelfslwaneedrvfwkeaaeasreylkiachpetgl apeyayydgtpndekgyghffsdsyrvaanigldaewfggsewsaeeinkiqaffadkep edyrrykidgepfeekslhpvgliatnamgslasvdgpyakanvdlfwntpvrtgnrryy dnclylfamlalsgnfkiwfpegqeeehlehhhhhh
>3a3vA (A:) egafytreyrnlfkefgyseaeiqervkdtweqlfgdnpetkiyyevgddlgylldtgnl dvrtegmsygmmmavqmdrkdifdriwnwtmknmymtegvhagyfawscqpdgtknswgp apdgeeyfalalffashrwgdgdeqpfnyseqarkllhtcvhngeggpghpmwnrdnkli kfipevefsdpsfhlphfyelfslwaneedrvfwkeaaeasreylkiachpetglapeya yydgtpndekgyghffsdsyrvaanigldaewfggsewsaeeinkiqaffadkepedyrr ykidgepfeekslhpvgliatnamgslasvdgpyakanvdlfwntpvrtgnrryydncly lfamlalsgnfkiwfp