Chains and heterogens:
PDB Chain Sequences:
>1ihbA (A:) maepwgnelasaaargdleqltsllqnnvnvnaqngfgrtalqvmklgnpeiarrlllrg anpdlkdrtgfavihdaaragfldtlqtllefqadvniednegnlplhlaakeghlrvve flvkhtasnvghrnhkgdtacdlarlygrnevvslmqangag
>1ihbA (A:) wgnelasaaargdleqltsllqnnvnvnaqngfgrtalqvmklgnpeiarrlllrganpd lkdrtgfavihdaaragfldtlqtllefqadvniednegnlplhlaakeghlrvveflvk htasnvghrnhkgdtacdlarlygrnevvslmqang
>1ihbB (B:) maepwgnelasaaargdleqltsllqnnvnvnaqngfgrtalqvmklgnpeiarrlllrg anpdlkdrtgfavihdaaragfldtlqtllefqadvniednegnlplhlaakeghlrvve flvkhtasnvghrnhkgdtacdlarlygrnevvslmqangag
>1ihbB (B:) nelasaaargdleqltsllqnnvnvnaqngfgrtalqvmklgnpeiarrlllrganpdlk drtgfavihdaaragfldtlqtllefqadvniednegnlplhlaakeghlrvveflvkht asnvghrnhkgdtacdlarlygrnevvslmqangag