Chains and heterogens:
PDB Chain Sequences:
>1u67A (A:) msrqsislrfpllllllspspvfsadpgapapvnpccyypcqhqgicvrfgldryqcdct rtgysgpnctipeiwtwlrttlrpspsfihfllthgrwlwdfvnatfirdtlmrlvltvr snlipspptyniahdyiswesfsnvsyytrilpsvprdcptpmgtkgkkqlpdaeflsrr fllrrkfipdpqgtnlmfaffaqhfthqffktsgkmgpgftkalghgvdlghiygdnler qyqlrlfkdgklkyqmlngevyppsveeapvlmhyprgippqsqmavgqevfgllpglml yatiwlrehnrvcdllkaehptwgdeqlfqtarliligetikivieeyaqqlsgyflqlk fdpellfgaqfqyrnriamefnqlyhfhplmpdsfrvgpqdysyeqflfntsmlvdygve alvdafsrqpagrigggrnidhhilhvavdvikesrvlrlqpfneyrkrfgmkpytsfqe ltgekemaaeleelygdidalefypglllekchpnsifgesmiemgapfslkgllgnpic speywkastfggevgfnlvktatlkklvclntktcpyvsfhvpdprqedrpgverpptel
>1u67A (A:) pvnpccyypcqhqgicvrfgldryqcdctrtgysgpnctipeiwtwlrttlrpspsfihf llthgrwlwdfvnatfirdtlmrlvltvrsnlipspptyniahdyiswesfsnvsyytri lpsvprdcptpmgtkgkkqlpdaeflsrrfllrrkfipdpqgtnlmfaffaqhfthqffk tsgkmgpgftkalghgvdlghiygdnlerqyqlrlfkdgklkyqmlngevyppsveeapv lmhyprgippqsqmavgqevfgllpglmlyatiwlrehnrvcdllkaehptwgdeqlfqt arliligetikivieeyaqqlsgyflqlkfdpellfgaqfqyrnriamefnqlyhfhplm pdsfrvgpqdysyeqflfntsmlvdygvealvdafsrqpagrigggrnidhhilhvavdv ikesrvlrlqpfneyrkrfgmkpytsfqeltgekemaaeleelygdidalefypglllek chpnsifgesmiemgapfslkgllgnpicspeywkastfggevgfnlvktatlkklvcln tktcpyvsfhvpd