>1bu9A (A:) SEQRES residues maepwgnelasaaargdleqltsllqnnvnvnaqngfgrtalqvmklgnpeiarrlllrg anpdlkdrtgfavihdaaragfldtlqtllefqadvniednegnlplhlaakeghlrvve flvkhtasnvghrnhkgdtacdlarlygrnevvslmqangaggatnlq