Chains and heterogens:
PDB Chain Sequences:
>4xy2A (A:) gshmsictseewqglmqftlpvrlckeielfhfdigpfenmwpgifvymvhrscgtscfe leklcrfimsvkknyrrvpyhnwkhavtvahcmyailqnnhtlftdlerkglliaclchd ldhrgfsnsylqkfdhplaalyststmeqhhfsqtvsilqleghnifstlssseyeqvle iirkaiiatdlalyfgnrkqleemyqtgslnlnnqshrdrviglmmtacdlcsvtklwpv tkltandiyaefwaegdemkklgiqpipmmdrdkkdevpqgqlgfynavaipcyttltqi lpptepllkacrdnlsqwekvirgeetatwisspsvaqkaaased
>4xy2A (A:) hmsictseewqglmqftlpvrlckeielfhfdigpfenmwpgifvymvhrscgtscfele klcrfimsvkknyrrvpyhnwkhavtvahcmyailqnnhtlftdlerkglliaclchdld hrgfsnsyststmeqhhfsqtvsilqleghnifstlssseyeqvleiirkaiiatdlaly fgnrkqleemyqtgslnlnnqshrdrviglmmtacdlcsvtklwpvtkltandiyaefwa egdemkklgiqpipmmdrdkkdevpqgqlgfynavaipcyttltqilpptepllkacrdn lsqwekvirgee
>4xy2B (B:) gshmsictseewqglmqftlpvrlckeielfhfdigpfenmwpgifvymvhrscgtscfe leklcrfimsvkknyrrvpyhnwkhavtvahcmyailqnnhtlftdlerkglliaclchd ldhrgfsnsylqkfdhplaalyststmeqhhfsqtvsilqleghnifstlssseyeqvle iirkaiiatdlalyfgnrkqleemyqtgslnlnnqshrdrviglmmtacdlcsvtklwpv tkltandiyaefwaegdemkklgiqpipmmdrdkkdevpqgqlgfynavaipcyttltqi lpptepllkacrdnlsqwekvirgeetatwisspsvaqkaaased
>4xy2B (B:) hmsictseewqglmqftlpvrlckeielfhfdigpfenmwpgifvymvhrscgtscfele klcrfimsvkknyrrvpyhnwkhavtvahcmyailqnnhtlftdlerkglliaclchdld hrgfsnsylqkfplaalyststmeqhhfsqtvsilqleghnifstlssseyeqvleiirk aiiatdlalyfgnrkqleemyqtgslnlnnqshrdrviglmmtacdlcsvtklwpvtklt andiyaefwaegdemkklgiqpipmmdrdkkdevpqgqlgfynavaipcyttltqilppt epllkacrdnlsqwekvirgee