Chains and heterogens:
PDB Chain Sequences:
>1i29A (A:) mifsvdkvradfpvlsrevnglplayldsaasaqkpsqvidaeaefyrhgyaavhrgiht lsaqatekmenvrkraslfinarsaeelvfvrgtteginlvanswgnsnvragdniiisq mehhanivpwqmlcarvgaelrviplnpdgtlqletlptlfdektrllaithvsnvlgte nplaemitlahqhgakvlvdgaqavmhhpvdvqaldcdfyvfsghklygptgigilyvke allqemppwegggsmiatvslsegttwtkapwrfeagtpntggiiglgaaleyvsalgln niaeyeqnlmhyalsqlesvpdltlygpqnrlgviafnlgkhhaydvgsfldnygiavrt ghhcamplmayynvpamcraslamyntheevdrlvtglqrihrllg
>1i29A (A:) ifsvdkvradfpvlsrevnglplayldsaasaqkpsqvidaeaefyrhgyaavhrgihtl saqatekmenvrkraslfinarsaeelvfvrgtteginlvanswgnsnvragdniiisqm ehhanivpwqmlcarvgaelrviplnpdgtlqletlptlfdektrllaithvsnvlgten plaemitlahqhgakvlvdgaqavmhhpvdvqaldcdfyvfsghklygptgigilyvkea llqemppwegggsmiatvslsegttwtkapwrfeagtpntggiiglgaaleyvsalglnn iaeyeqnlmhyalsqlesvpdltlygpqnrlgviafnlgkhhaydvgsfldnygiavrtg hhcamplmayynvpamcraslamyntheevdrlvtglqrihrllg