Chains and heterogens:
PDB Chain Sequences:
>2cwhA (A:) msashadqptqtvsypqlidllrrifvvhgtspevadvlaencasaqrdgshshgifrip gylsslasgwvdgkavpvvedvgaafvrvdacngfaqpalaaarsllidkarsagvaila irgshhfaalwpdvepfaeqglvalsmvnsmtcvvphgarqplfgtnpiafgapraggep ivfdlatsaiahgdvqiaaregrllpagmgvdrdglptqepraildggallpfgghkgsa lsmmvellaagltggnfsfefdwskhpgaqtpwtgqllividpdkgagqhfaqrseelvr qlhgvgqerlpgdrrylerarsmahgiviaqadlerlqelagh
>2cwhA (A:) tqtvsypqlidllrrifvvhgtspevadvlaencasaqrdgshshgifripgylsslasg wvdgkavpvvedvgaafvrvdacngfaqpalaaarsllidkarsagvailairgshhfaa lwpdvepfaeqglvalsmvnsmtcvvphgarqplfgtnpiafgapraggepivfdlatsa iahgdvqiaaregrllpagmgvdrdglptqepraildggallpfgghkgsalsmmvella agltggnfsfefdwskhpgaqtpwtgqllividpdkgagqhfaqrseelvrqlhgvgqer lpgdrrylerarsmahgiviaqadlerlqela
>2cwhB (B:) msashadqptqtvsypqlidllrrifvvhgtspevadvlaencasaqrdgshshgifrip gylsslasgwvdgkavpvvedvgaafvrvdacngfaqpalaaarsllidkarsagvaila irgshhfaalwpdvepfaeqglvalsmvnsmtcvvphgarqplfgtnpiafgapraggep ivfdlatsaiahgdvqiaaregrllpagmgvdrdglptqepraildggallpfgghkgsa lsmmvellaagltggnfsfefdwskhpgaqtpwtgqllividpdkgagqhfaqrseelvr qlhgvgqerlpgdrrylerarsmahgiviaqadlerlqelagh
>2cwhB (B:) dqptqtvsypqlidllrrifvvhgtspevadvlaencasaqrdgshshgifripgylssl asgwvdgkavpvvedvgaafvrvdacngfaqpalaaarsllidkarsagvailairgshh faalwpdvepfaeqglvalsmvnsmtcvvphgarqplfgtnpiafgapraggepivfdla tsaiahgdvqiaaregrllpagmgvdrdglptqepraildggallpfgghkgsalsmmve llaagltggnfsfefdwskhpgaqtpwtgqllividpdkgagqhfaqrseelvrqlhgvg qerlpgdrrylerarsmahgiviaqadlerlqelagh