Chains and heterogens:
PDB Chain Sequences:
>1q3xA (A:) asmtivdcgppddlpsgrveyitgpgvttykaviqysceetfytmkvndgkyvceadgfw tsskgekslpvcepvcglsarttggriyggqkakpgdfpwqvlilggttaagallydnwv ltaahavyeqkhdasaldirmgtlkrlsphytqawseavfihegythdagfdndialikl nnkvvinsnitpiclprkeaesfmrtddigtasgwgltqrgflarnlmyvdipivdhqkc taayekppyprgsvtanmlcaglesggkdscrgdsggalvfldseterwfvggivswgsm ncgeagqygvytkvinyipwieniisdf
>1q3xA (A:) tivdcgppddlpsgrveyitgpgvttykaviqysceetfytmkvndgkyvceadgfwtss kgekslpvcepvcglsartiyggqkakpgdfpwqvlilggttaagallydnwvltaahav yeqkhdasaldirmgtlkrlsphytqawseavfihegythdagfdndialiklnnkvvin snitpiclprkeaesfmrtddigtasgwgltqrgflarnlmyvdipivdhqkctaayekp pyprgsvtanmlcaglesggkdscrgdsggalvfldseterwfvggivswgsmncgeagq ygvytkvinyipwieniisdf
>1q3xB (B:) asmtivdcgppddlpsgrveyitgpgvttykaviqysceetfytmkvndgkyvceadgfw tsskgekslpvcepvcglsarttggriyggqkakpgdfpwqvlilggttaagallydnwv ltaahavyeqkhdasaldirmgtlkrlsphytqawseavfihegythdagfdndialikl nnkvvinsnitpiclprkeaesfmrtddigtasgwgltqrgflarnlmyvdipivdhqkc taayekppyprgsvtanmlcaglesggkdscrgdsggalvfldseterwfvggivswgsm ncgeagqygvytkvinyipwieniisdf
>1q3xB (B:) cgppddlpsgrveyitgpgvttykaviqysceetfytmkvndgkyvcgfwtsskgekslp vcepvcglsarttiyggqkakpgdfpwqvlilggttaagallydnwvltaahavyeqkhd asaldirmgtlkrlsphytqawseavfihegythdagfdndialiklnnkvvinsnitpi clprkeaesfmrtddigtasgwgltqrgflarnlmyvdipivdhqkctaayekppyprgs vtanmlcaglesggkdscrgdsggalvfldseterwfvggivswgsmncgeagqygvytk vinyipwieniisdf