Chains and heterogens:
PDB Chain Sequences:
>4i6eA (A:) maaaavvaatvpaqsmgadgassvhwfrkglrlhdnpallaavrgarcvrcvyildpwfa asssvginrwrfllqsledldtslrklnsrlfvvrgqpadvfprlfkewgvtrltfeyds epfgkerdaaimkmakeagvevvtenshtlydldriielngqkppltykrfqalisrmel pkkpavavssqqmescraeiqenhddtygvpsleelgfpteglgpavwqggetealarld khlerkawvanyerprmnansllasptglspylrfgclscrlfyyrlwdlykkvkrnstp plslfgqllwreffytaatnnprfdrmegnpiciqipwdrnpealakwaegktgfpwida imtqlrqegwihhlarhavacfltrgdlwvswesgvrvfdellldadfsvnagswmwlsc saffqqffhcycpvgfgrrtdpsgdyirrylpklkgfpsryiyepwnapesvqkaakcii gvdyprpivnhaetsrlniermkqiyqqlsry
>4i6eA (A:) assvhwfrkglrlhdnpallaavarcvrcvyildpwfaasssvginrwrfllqsledldt slrksrlfvvrgqpadvfprlfkewgvtrltfeydsepfgkerdaaimkmakeagvevvt enshtlydldriielngqkppltykrfqalisrmelpkkpavavssqqmescraeiqedt ygvpsleelgfpteglgpavwqggetealarldkhlerkanansllasptglspylrfgc lscrlfyyrlwdlykkvkstpplslfgqllwreffytaatnnprfdrmegnpiciqipwd rnpealakwaegktgfpwidaimtqlrqegwihhlarhavacfltrgdlwvswesgvrvf dellldadfsvnagswmwlscsaffqqffhcycpvgfgrrtdpsgdyirrylpklkgfps ryiyepwnapesvqkaakciigvdyprpivnhaetsrlniermkqiyqqls