YJL072C PSF2 SGDID:S000003608, Chr X from 305862-305221, Genome Release 64-1-1, reverse complement, Verified ORF, "Subunit of the GINS complex (Sld5p, Psf1p, Psf2p, Psf3p), which is localized to DNA replication origins and implicated in assembly of the DNA replication machinery"