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Yeast ORF Collection

The Yeast ORF collection consists of Gateway-adapted yeast ORFs cloned into expression plasmids. ORFs can be expressed as fusion proteins or moved to other vectors.
Enter a common gene identifier and click SEARCH to find products for your gene

Common gene identifiers for your gene can be found at NCBI Gene or miRBase.

Gene IDThe Gene ID is a unique identifying number for each gene in the RefSeq database and tends to be the most stable gene identifier.
  • 672
  • 22421
Accession NumberAccession Numbers are identifiers for a sequence record. The preferred accession numbers for RNAi products are found in the Reference Sequence (RefSeq) database, a non-redundant, curated, and annotated collection of sequence records for major model organisms. RefSeq accession numbers for mRNA begin with the characters NM_ or XM_ followed by six or nine digits. For gene expression products, the GenBank accession number for the clone can also be used for more specific search results.
  • NM_001798
  • NM_001170537
  • BC068303
Gene SymbolThe Gene Symbol can be the official or alternate symbol as displayed on NCBI Gene.
  • BRCA1
  • CDK1
  • CTNNB1
Gene DescriptionThe Gene Description is also known as the Official Full Name on NCBI Gene.
  • myogenic differentiation 1
  • thyroid peroxidase
  • breast cancer 1, early onset
miRBase IdentifiersmiRBase accession numbers are the most stable identifiers for microRNA. The miRBase ID, or name, may also be used.
  • miRBase ID: hsa-let-7d, mmu-mir-122
  • Precurser Accession: MI0000065, MI0000256
  • Mature Accession: MIMAT0000065, MIMAT0000246

If you require further assistance with your search, please contact Technical Support at

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ProductCatalog Number 
Yeast ORF Clone (E. coli)
YSC3867 glycerol stock - $75.00select
Yeast ORF Strain (yeast)
YSC3869 glycerol stock - $75.00select
Yeast ORF Collection (E. coli)
YSC3868 glycerol stock - Inquireselect
Yeast ORF Collection (Yeast)
YSC3870 glycerol stock - $5,498.00select

The Yeast ORF library was designed for use in high-throughput chemical and genetic screens in Saccharomyces cerevisiae. This collection consists of over 4,900 yeast open reading frames (ORFs) that have been adapted with Gateway recombination sites and subsequently cloned into a yeast expression vector. It is available as a library of plasmids transformed into E. coli or of yeast strains expressing the corresponding ORF as a C-terminal fusion protein under control of a regulatable GAL promoter.

ORFs in this collection can be expressed directly in their expression vector or transferred to other Gateway-adapted vectors.  The ORF expression vector plasmid, pGB1805, encodes a C-terminal fusion tag that includes 6xHIS, single HA epitope, 3C protease cleavage site, and the IgG-binding domain from Protein A.


  • ORF strains provide a shortcut to expressing yeast proteins with no PCR or cloning required
  • The optional E. coli format enables Gateway-adapted cloning to alternative yeast strains and plasmids
  • All yeast-format constructs have been verified by western blotting to express protein of the correct length
  • The versatile 19-kDa tandem fusion tag enables a range of detection and affinity purification strategies. After cleavage with 3C protease, purified proteins are left with a 4.8kDa C-terminal tag
Vector Map of pBG1805, a yeast expression plasmid for the moveable ORF library.

Yeast ORFs have been Gateway-cloned into vector pGB1805 in frame with a C-terminal triple affinity tag comprised of 6xHis-HA-3C protease site - Protein A (ZZ domain). The resulting fusion construct is under control of a regulatable GAL promoter.


We provide certain clone resources developed by leading academic laboratories. Many of these resources address the needs of specialized research communities not served by other commercial entities. In order to provide these as a public resource, we depend on the contributing academic laboratories for quality control.

Therefore, these are distributed in the format provided by the contributing institution "as is" with no additional product validation or guarantee.We are not responsible for any errors or performance issues. Additional information can be found in the product manual as well as in associated published articles (if available). Alternatively, the source academic institution can be contacted directly for troubleshooting.

Shelf Life12 Months
Shipping ConditionDry Ice,Wet Ice
Storage Condition-80 C

Individual Clones

Within 2 to 3 business days of receiving your order, we will ship your clone at room temperature via express delivery. Store the stock clone at –80°C. Clones are provided as a live culture in a 2 mL tube.

Each tube contains:

  • E. coli: LB media supplemented with ampicillin and 8% glycerol
  • Yeast: SD-URA medium supplemented with 15% glycerol

High Volume Orders

Orders of greater than 50 clones will be provided in microtiter plates. These will ship on dry ice via overnight delivery and should be stored at –80°C immediately upon receipt.

Complete Collection

Orders for the entire Yeast ORF Collection are provided in 96-well microtiter plates. These will ship on dry ice via overnight delivery and should be stored at –80°C immediately upon receipt.


  1. D. M. Gelperin et al., Biochemical and genetic analysis of the yeast proteome with a movable ORF collection. Genes and Development. 19(23), 2816–2826 (1 December 2005).