E. coli Genetic Resources at Yale
CGSC, The Coli Genetic Stock Center

• CGSC Home
• Scope of the Collection
• The Database
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• Acknowledgment of Support

• Help With Query Forms
• Strain Query
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• Query Help
• Info on Genetic Nomenclature

• Contact Information
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• Reviving Strains
• Strains Not Found?

• FAQ on Procedures
• Current Working Map
• 1998 MMBR Map
• 1998 MMBR Gene List
• Map Diagrams (PDFs)

• E. coli Links
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• Yale Web

Product DAHP synthetase (phenylalanine-repressible)