Chains and heterogens:
PDB Chain Sequences:
>1mufA (A:) vlqgtyvdgelngpaqeydtdgrlifkgqykdnirhgvcwiyypdggslvgevnedgemt gekiayvypdertalygkfidgemiegklatlmsteegrphfelmpgnsvyhfdkstssc istnallpdpyeservyvaeslissageglfskvavgpntvmsfyngvrithqevdsrdw alngntlsldeetvidvpepynhvskycaslghkanhsftpnciydmfvhprfgpikcir tlraveadeeltvaygy