Chains and heterogens:
PDB Chain Sequences:
>1qrqA (A:) lqfyrnlgksglrvsclglgtwvtfggqitdemaehlmtlaydnginlfdtaevyaagka evvlgniikkkgwrrsslvittkifwggkaeterglsrkhiieglkaslerlqleyvdvv fanrpdpntpmeetvramthvinqgmamywgtsrwssmeimeaysvarqfnlippiceqa eyhmfqrekvevqlpelfhkigvgamtwsplacgivsgkydsgippysraslkgyqwlkd kilseegrrqqaklkelqaiaerlgctlpqlaiawclrnegvssvllgasnaeqlmenig aiqvlpklsssivheidsilgnkpy
>1qrqB (B:) lqfyrnlgksglrvsclglgtwvtfggqitdemaehlmtlaydnginlfdtaevyaagka evvlgniikkkgwrrsslvittkifwggkaeterglsrkhiieglkaslerlqleyvdvv fanrpdpntpmeetvramthvinqgmamywgtsrwssmeimeaysvarqfnlippiceqa eyhmfqrekvevqlpelfhkigvgamtwsplacgivsgkydsgippysraslkgyqwlkd kilseegrrqqaklkelqaiaerlgctlpqlaiawclrnegvssvllgasnaeqlmenig aiqvlpklsssivheidsilgnkpy
>1qrqC (C:) lqfyrnlgksglrvsclglgtwvtfggqitdemaehlmtlaydnginlfdtaevyaagka evvlgniikkkgwrrsslvittkifwggkaeterglsrkhiieglkaslerlqleyvdvv fanrpdpntpmeetvramthvinqgmamywgtsrwssmeimeaysvarqfnlippiceqa eyhmfqrekvevqlpelfhkigvgamtwsplacgivsgkydsgippysraslkgyqwlkd kilseegrrqqaklkelqaiaerlgctlpqlaiawclrnegvssvllgasnaeqlmenig aiqvlpklsssivheidsilgnkpy
>1qrqD (D:) lqfyrnlgksglrvsclglgtwvtfggqitdemaehlmtlaydnginlfdtaevyaagka evvlgniikkkgwrrsslvittkifwggkaeterglsrkhiieglkaslerlqleyvdvv fanrpdpntpmeetvramthvinqgmamywgtsrwssmeimeaysvarqfnlippiceqa eyhmfqrekvevqlpelfhkigvgamtwsplacgivsgkydsgippysraslkgyqwlkd kilseegrrqqaklkelqaiaerlgctlpqlaiawclrnegvssvllgasnaeqlmenig aiqvlpklsssivheidsilgnkpy