Sequence Description Alias PCC hrr YDL133C-A Ribosomal 60S subunit protein L41B; comprises only 25 amino acids; rpl41a rpl41b double null mutant is viable; homologous to mammalian ribosomal protein L41, no bacterial homolog; RPL41B has a paralog, RPL41A, that arose from the whole genome duplication [Source:SGD;Acc:S000002293] 0.9628605607529951 1 YCL054W-A Short open reading frame, shows evidence of translation; may be new protein-coding gene that originated de novo from noncoding sequence; same allele found in at least 33 other S. cerevisiae strains; at least 3 strains have a second allele with three nucleotide substitutions leading to two amino acid differences [Source:SGD;Acc:S000178054] 0.8189098844053271 2 YDL232W Subunit of the oligosaccharyltransferase complex of the ER lumen; complex catalyzes protein asparagine-linked glycosylation; type I membrane protein required for incorporation of Ost3p or Ost6p into the OST complex [Source:SGD;Acc:S000002391] 0.7675348976429657 3 YDR524W-C Putative protein of unknown function; small ORF identified by SAGE; deletion strains are moderately sensitive to the radiomimetic drug bleomycin [Source:SGD;Acc:S000028740] 0.7466346636169485 4 YMR013W-A Dubious open reading frame; unlikely to encode a functional protein, based on available experimental and comparative sequence data; completely overlaps the characterized snoRNA gene snR73 [Source:SGD;Acc:S000007622] 0.6228688833885708 5 YGL007C-A Putative protein of unknown function; identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching; deletion exhibits slow-growth phenotype; computationally predicted to have a role in cell budding [Source:SGD;Acc:S000028632] 0.5854949358388762 6 YGR122C-A Dubious open reading frame; unlikely to encode a functional protein, based on available experimental and comparative sequence data; similar to YLR334C and YOL106W [Source:SGD;Acc:S000007240] 0.5814436275107057 7 YBR296C-A Putative protein of unknown function; identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching [Source:SGD;Acc:S000028605] 0.5551822852368391 8 YHL015W-A Putative protein of unknown function [Source:SGD;Acc:S000028828] 0.5543990685692355 9 YCR024C-A Regulatory subunit for the plasma membrane H(+)-ATPase Pma1p; small single-membrane span proteolipid; forms unique helix and positively charged cytoplasmic domain that is able to specifically segregate phosphatidylserines; PMP1 has a paralog, PMP2, that arose from the whole genome duplication [Source:SGD;Acc:S000000619] 0.5487219690834751 10 YBR191W-A Dubious open reading frame; unlikely to encode a functional protein, based on available experimental and comparative sequence data [Source:SGD;Acc:S000007594] 0.501611247119499 11 YOL038C-A Putative protein of unknown function; identified by SAGE analysis [Source:SGD;Acc:S000028812] 0.48213795360236816 12 YKL162C-A Dubious open reading frame; unlikely to encode a functional protein, based on available experimental and comparative sequence data [Source:SGD;Acc:S000007244] 0.466350989681985 13 YOR302W CPA1 uORF; Arginine attenuator peptide, regulates translation of the CPA1 mRNA [Source:SGD;Acc:S000005828] 0.4328045359127369 14 YMR046W-A Dubious open reading frame; unlikely to encode a functional protein, based on available experimental and comparative sequence data [Source:SGD;Acc:S000007248] 0.41908317741347295 16 YPL152W-A Protein of unknown function; identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching [Source:SGD;Acc:S000028721] 0.4074312236579767 25 YAR035C-A Putative protein of unknown function; identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching; predicted to have a role in cell budding based on computational "guilt by association" analysis [Source:SGD;Acc:S000028595] 0.3989480761565975 17 YNL097C-B Putative protein of unknown function [Source:SGD;Acc:S000028699] 0.394967922703929 22 YFR012W-A Putative protein of unknown function; identified by homology [Source:SGD;Acc:S000007606] 0.38985876512859174 19 YMR182W-A Putative protein of unknown function [Source:SGD;Acc:S000028693] 0.37632598419712926 20 YGL188C-A Putative protein of unknown function [Source:SGD;Acc:S000028635] 0.3652800682240122 23 YML054C-A Putative protein of unknown function [Source:SGD;Acc:S000028573] 0.36157120679195376 58 YBR209W Putative protein of unknown function; conserved across S. cerevisiae strains; YBR209W is not an essential gene [Source:SGD;Acc:S000000413] 0.3487874372057802 52 YFR010W-A Dubious open reading frame; unlikely to encode a functional protein, based on available experimental and comparative sequence data; completely overlaps the uncharacterized gene YFR011C; identified by expression profiling and mass spectrometry [Source:SGD;Acc:S000028824] 0.34185449219840774 32 YOR314W-A Dubious open reading frame; unlikely to encode a functional protein, based on available experimental and comparative sequence data [Source:SGD;Acc:S000007629] 0.33708174134628094 28 YER138W-A Putative protein of unknown function; YER138W-A has a paralog, YBL107W-A, that arose from a single-locus duplication [Source:SGD;Acc:S000007239] 0.3254664131435041 26 YHR022C-A Putative protein of unknown function; identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching [Source:SGD;Acc:S000028645] 0.3157767215301112 27 YJL077W-B Putative protein of unknown function; identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching [Source:SGD;Acc:S000028662] 0.31336135796206277 50 YGR174W-A Putative protein of unknown function; predicted to have a role in cell budding based on computational "guilt by association" analysis [Source:SGD;Acc:S000028639] 0.2784927567979324 44 YMR158C-A Putative protein of unknown function; may contain a lipid attachment site; YMR158C-A is not an essential gene [Source:SGD;Acc:S000007249] 0.27535265314390983 83 YJL052C-A Putative protein of unknown function; identified based on comparison to related yeast species; mCherry fusion protein localizes to the vacuole [Source:SGD;Acc:S000007610] 0.27398828811823633 69 YOR008W-B Dubious open reading frame; unlikely to encode a functional protein, based on available experimental and comparative sequence data [Source:SGD;Acc:S000007628] 0.2686552327514545 54 YBL100W-C Putative protein of unknown function; identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching [Source:SGD;Acc:S000028598] 0.23119955502505654 95 YGL006W-A Putative protein of unknown function; identified by SAGE [Source:SGD;Acc:S000028769] 0.22887215489308452 54 YFL031C-A Dubious open reading frame; unlikely to encode a functional protein, based on available experimental and comparative sequence data; partially overlaps HAC1/YFL031W; identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching [Source:SGD;Acc:S000028629] 0.22281124509483705 37 YJR005C-A Protein with a potential role in response to iron deprivation; transcription increases during iron deprivation and during treatment with 2-(6-benzyl-2-pyridyl)quinazoline (BPQ) and copper; regulated by Aft1p and, to a lesser extent, by Aft2p; originally identified as a syntenic homolog of an Ashbya gossypii gene; localizes to nucleus and cytoplasm, and nuclear localization is enhanced under iron-replete conditions [Source:SGD;Acc:S000028523] 0.213144793115287 94 YDL159W-A Putative protein of unknown function; identified by sequence comparison with hemiascomycetous yeast species [Source:SGD;Acc:S000007599] 0.21121260398483707 67 YDR118W-A Dubious open reading frame; unlikely to encode a functional protein, based on available experimental and comparative sequence data; identified using a combination of expression profiling and mass spectrometry [Source:SGD;Acc:S000028820] 0.20216325203316385 94 YHR180C-B Dubious open reading frame; unlikely to encode a functional protein, based on available experimental and comparative sequence data; completely overlaps the dubious ORF YHR180W-A [Source:SGD;Acc:S000028554] 0.19732937147304402 45 YAL037C-A Putative protein of unknown function [Source:SGD;Acc:S000028732] 0.19081150306308026 47 YOL155W-A Putative protein of unknown function; identified by expression profiling and mass spectrometry [Source:SGD;Acc:S000028855] 0.19004207624617725 48 YDL247W-A Dubious open reading frame; unlikely to encode a functional protein, based on available experimental and comparative sequence data; identified by sequence comparison with hemiascomycetous yeast species [Source:SGD;Acc:S000007602] 0.1840685370176843 51 YKL106C-A Putative protein of unknown function; identified by homology to uncharacterized proteins in other fungi [Source:SGD;Acc:S000007616] 0.16647784621239695 92 YDL061C Protein component of the small (40S) ribosomal subunit; homologous to mammalian ribosomal protein S29 and bacterial S14; RPS29B has a paralog, RPS29A, that arose from the whole genome duplication [Source:SGD;Acc:S000002219] 0.16026610866919716 86 YDR461W Mating pheromone a-factor; made by a cells; interacts with alpha cells to induce cell cycle arrest and other responses leading to mating; biogenesis involves C-terminal modification, N-terminal proteolysis, and export; also encoded by MFA2 [Source:SGD;Acc:S000002869] 0.15768366833517744 67 YDR524C-A Dubious open reading frame unlikely to encode a functional protein; identified by gene-trapping, microarray-based expression analysis, and genome-wide homology searching [Source:SGD;Acc:S000028616] 0.15710846169122228 89 YJR151W-A Putative protein of unknown function; identified by fungal homology and RT-PCR; predicted to have a role in transcription based on computational "guilt by association" analysis [Source:SGD;Acc:S000028557] 0.14236685256839504 98 YMR242W-A Putative protein of unknown function [Source:SGD;Acc:S000028694] 0.14003268761689605 83