Chains and heterogens:
PDB Chain Sequences:
>1n3iA (A:) madprpdpdelarraaqviadrtgigehdvavvlgsgwlpavaalgspttvlpqaelpgf vpptaaghagellsvpigahrvlvlagrihayeghdlryvvhpvraaraagaqimvltna agglradlqvgqpvlisdhlnltarsplvggefvdltdaysprlrelarqsdpqlaegvy aglpgphyetpaeirmlqtlgadlvgmstvhetiaaraagaevlgvslvtnlaagitgep lshaevlaagaasatrmgalladviarf
>1n3iA (A:) dpdelarraaqviadrtgigehdvavvlgsgwlpavaalgspttvlpqaelpgfvpptaa ghagellsvpigahrvlvlagrihayeghdlryvvhpvraaraagaqimvltnaagglra dlqvgqpvlisdhlnltarsplvggefvdltdaysprlrelarqsdpqlaegvyaglpgp hyetpaeirmlqtlgadlvgmstvhetiaaraagaevlgvslvtnlaagitgeplshaev laagaasatrmgalladviarf
>1n3iB (B:) madprpdpdelarraaqviadrtgigehdvavvlgsgwlpavaalgspttvlpqaelpgf vpptaaghagellsvpigahrvlvlagrihayeghdlryvvhpvraaraagaqimvltna agglradlqvgqpvlisdhlnltarsplvggefvdltdaysprlrelarqsdpqlaegvy aglpgphyetpaeirmlqtlgadlvgmstvhetiaaraagaevlgvslvtnlaagitgep lshaevlaagaasatrmgalladviarf
>1n3iB (B:) dpdelarraaqviadrtgigehdvavvlgsgwlpavaalgspttvlpqaelpgfvpptaa ghagellsvpigahrvlvlagrihayeghdlryvvhpvraaraagaqimvltnaagglra dlqvgqpvlisdhlnltarsplvggefvdltdaysprlrelarqsdpqlaegvyaglpgp hyetpaeirmlqtlgadlvgmstvhetiaaraagaevlgvslvtnlaagitgeplshaev laagaasatrmgalladviarf
>1n3iC (C:) madprpdpdelarraaqviadrtgigehdvavvlgsgwlpavaalgspttvlpqaelpgf vpptaaghagellsvpigahrvlvlagrihayeghdlryvvhpvraaraagaqimvltna agglradlqvgqpvlisdhlnltarsplvggefvdltdaysprlrelarqsdpqlaegvy aglpgphyetpaeirmlqtlgadlvgmstvhetiaaraagaevlgvslvtnlaagitgep lshaevlaagaasatrmgalladviarf
>1n3iC (C:) dpdelarraaqviadrtgigehdvavvlgsgwlpavaalgspttvlpqaelpgfvpptaa ghagellsvpigahrvlvlagrihayeghdlryvvhpvraaraagaqimvltnaagglra dlqvgqpvlisdhlnltarsplvggefvdltdaysprlrelarqsdpqlaegvyaglpgp hyetpaeirmlqtlgadlvgmstvhetiaaraagaevlgvslvtnlaagitgeplshaev laagaasatrmgalladviarf