Chains and heterogens:
PDB Chain Sequences:
>3npcA (A:) mskskvdnqfysvevadstftvlkryqqlkpigsgaqgivcaafdtvlginvavkklsrp fqnqthakrayrelvllkcvnhkniisllnvftpqktleefqdvylvmelmdanlcqvih meldhermsyllyqmlcgikhlhsagiihrdlkpsnivvksdctlkildfglartactnf mmtpyvvtryyrapevilgmgyaanvdiwsvgcimgelvkgcvifqgtdhidqwnkvieq lgtpsaefmaalqptvrnyvenrpkypgikfeelfpdwifpseserdkiktsqardllsk mlvidpdkrisvdealrhpyitvwydpaeaeapppqiydaqleerehaieewkeliykev mdwe
>3npcA (A:) dnqfysvevadstftvlkryqqlkpigsgaqgivcaafdtvlginvavkklsrpfqnqth akrayrelvllkcvnhkniisllnvftpqktleefqdvylvmelmdanlcqvihmeldhe rmsyllyqmlcgikhlhsagiihrdlkpsnivvksdctlkildfglartactnfmmtpyv vtryyrapevilgmgyaanvdiwsvgcimgelvkgcvifqgtdhidqwnkvieqlgtpsa efmaalqptvrnyvenrpkypgikfeelfpdwifpseserdkiktsqardllskmlvidp dkrisvdealrhpyitvwydpaeaeapppqiydaqleerehaieewkeliykevmdw
>3npcB (B:) mskskvdnqfysvevadstftvlkryqqlkpigsgaqgivcaafdtvlginvavkklsrp fqnqthakrayrelvllkcvnhkniisllnvftpqktleefqdvylvmelmdanlcqvih meldhermsyllyqmlcgikhlhsagiihrdlkpsnivvksdctlkildfglartactnf mmtpyvvtryyrapevilgmgyaanvdiwsvgcimgelvkgcvifqgtdhidqwnkvieq lgtpsaefmaalqptvrnyvenrpkypgikfeelfpdwifpseserdkiktsqardllsk mlvidpdkrisvdealrhpyitvwydpaeaeapppqiydaqleerehaieewkeliykev mdwe
>3npcB (B:) nqfysvevadstftvlkryqqlkpigsgaqgivcaafdtvlginvavkklsrpfqnqtha krayrelvllkcvnhkniisllnvftpqktleefqdvylvmelmdanlcqvihmeldher msyllyqmlcgikhlhsagiihrdlkpsnivvksdctlkildfglartactnfmmtpyvv tryyrapevilgmgyaanvdiwsvgcimgelvkgcvifqgtdhidqwnkvieqlgtpsae fmaalqptvrnyvenrpkypgikfeelfpdwifpseserdkiktsqardllskmlvidpd krisvdealrhpyitvwydpaeaeapppqiydaqleerehaieewkeliykevmdw