chromosome segregation and recovery from pombe rad2 gene, which is required for human homolog of the Schizosaccharomyces Structural and functional conservation of the

Restriction map.Twoclones, pRN1 (1.9-kb insert) and pRN2(6.4-kb insert) comple-mentedthe radiation sensitivity oftherad2-44mutant.TherestrictionBg X E Bg mapsare showntogetherwith the positions ofthe ORFs(solid boxes)pRN2 E iS I H and introns (open boxes) which comprise the rad2 gene. Vector-derived restriction sites are shown at either end. Bg,BglII, E, EcoRI,H, HindIII, X,