Chains and heterogens:
PDB Chain Sequences:
>2chuA (A:) ktntatvkvlpismsdegdsflvkdslgenkipknpskvvildlgildtfdalklndkvv gvpaknlpkylqqfknkpsvggvqqvdfeainalkpdliiisgrqskfydklkeiaptlf vgldnanflssfennvlsvaklyglekealekisdikneiekaksivdedkkaliiltns nkisafgpqsrfgiihdvlginavdenikvgthgksinsefileknpdyifvvdrnvilg nkeraqgildnalvaktkaaqnkkiiyldpeywylasgngleslktmileiknavk
>2chuA (A:) lpismsdegdsflvkdslgenkipknpskvvildlgildtfdalklndkvvgvpaknlpk ylqqfknkpsvggvqqvdfeainalkpdliiisgrqskfydklkeiaptlfvgldnanfl ssfennvlsvaklyglekealekisdikneiekaksivdedkkaliiltnsnkisafgpq srfgiihdvlginavdenikgksinsefileknpdyifvvdrnvilgnkeraqgildnal vaktkaaqnkkiiyldpeywylasgngleslktmileiknavk
>2chuB (B:) ktntatvkvlpismsdegdsflvkdslgenkipknpskvvildlgildtfdalklndkvv gvpaknlpkylqqfknkpsvggvqqvdfeainalkpdliiisgrqskfydklkeiaptlf vgldnanflssfennvlsvaklyglekealekisdikneiekaksivdedkkaliiltns nkisafgpqsrfgiihdvlginavdenikvgthgksinsefileknpdyifvvdrnvilg nkeraqgildnalvaktkaaqnkkiiyldpeywylasgngleslktmileiknavk
>2chuB (B:) pismsdegdsflvkdslgenkipknpskvvildlgildtfdalklndkvvgvpaknlpky lqqfknkpsvggvqqvdfeainalkpdliiisgrqskfydklkeiaptlfvgldnanfls sfennvlsvaklyglekealekisdikneiekaksivdedkkaliiltnsnkisafgpqs rfgiihdvlginavdenikvgksinsefileknpdyifvvdrnvilgnkeraqgildnal vaktkaaqnkkiiyldpeywylasgngleslktmileiknavk