General Structure Information 1de9 APEX1 human ape1 endonuclease with bound abasic dna and mn2+ ion 3.0Å AUTH C.D.MOL,T.IZUMI,S.MITRA,J.A.TAINERTITL DNA-BOUND STRUCTURES AND MUTANTS REVEAL ABASIC DNATITL 2 BINDING BY APE1 AND DNA REPAIR COORDINATIONREF NATURE V. 403 451 2000REFN ISSN 0028-0836PMID 10667800DOI 10.1038/35000249 Variant Set Distributions Mapped Variants