Chains and heterogens:
PDB Chain Sequences:
>4q76A (A:) maaaassatistdsesvslghrvrkdfrilhqevngsklvyldsaatsqkpaavldalqn yyefynsnvhrgihylsakatdefelarkkvarfinasdsreivftrnateainlvaysw glsnlkpgdeviltvaehhscivpwqivsqktgavlkfvtlnedevpdinklrelispkt klvavhhvsnvlasslpieeivvwahdvgakvlvdacqsvphmvvdvqklnadflvassh kmcgptgigflygksdllhsmppflgggemisdvfldhstyaeppsrfeagtpaigeaia lgaavdylsgigmpkiheyeveigkylyeklsslpdvriygprpsesvhrgalcsfnveg lhptdlatfldqqhgvairsghhsaqplhrylgvnasaraslyfyntkddvdafivalad tvsffnsfk
>4q76A (A:) vslghrvrkdfrilhqevngsklvyldsaatsqkpaavldalqnyyefynsnvhrgihyl sakatdefelarkkvarfinasdsreivftrnateainlvayswglsnlkpgdeviltva ehhscivpwqivsqktgavlkfvtlnedevpdinklrelispktklvavhhvsnvlassl pieeivvwahdvgakvlvdacqsvphmvvdvqklnadflvasshkmcgptgigflygksd llhsmppflgggemisdvfldhstyaeppsrfeagtpaigeaialgaavdylsgigmpki heyeveigkylyeklsslpdvriygprpsesvhrgalcsfnveglhptdlatfldqqhgv airsghhsaqplhrylgvnasaraslyfyntkddvdafivaladtvsffnsfk
>4q76B (B:) maaaassatistdsesvslghrvrkdfrilhqevngsklvyldsaatsqkpaavldalqn yyefynsnvhrgihylsakatdefelarkkvarfinasdsreivftrnateainlvaysw glsnlkpgdeviltvaehhscivpwqivsqktgavlkfvtlnedevpdinklrelispkt klvavhhvsnvlasslpieeivvwahdvgakvlvdacqsvphmvvdvqklnadflvassh kmcgptgigflygksdllhsmppflgggemisdvfldhstyaeppsrfeagtpaigeaia lgaavdylsgigmpkiheyeveigkylyeklsslpdvriygprpsesvhrgalcsfnveg lhptdlatfldqqhgvairsghhsaqplhrylgvnasaraslyfyntkddvdafivalad tvsffnsfk
>4q76B (B:) vslghrvrkdfrilhqevngsklvyldsaatsqkpaavldalqnyyefynsnvhrgihyl sakatdefelarkkvarfinasdsreivftrnateainlvayswglsnlkpgdeviltva ehhscivpwqivsqktgavlkfvtlnedevpdinklrelispktklvavhhvsnvlassl pieeivvwahdvgakvlvdacqsvphmvvdvqklnadflvasshkmcgptgigflygksd llhsmppflgggemisdvfldhstyaeppsrfeagtpaigeaialgaavdylsgigmpki heyeveigkylyeklsslpdvriygprpsesvhrgalcsfnveglhptdlatfldqqhgv airsghhsaqplhrylgvnasaraslyfyntkddvdafivaladtvsffnsfk