Coding

Part:BBa_K2481107

Designed by: Erin Kelly   Group: iGEM17_Lethbridge_HS   (2017-10-27)


crtY and crtZ expression construct

crtY and crtZ are both members of the carotenoid biosynthesis pathway. crtY (lycopene cyclase) from Pantoea ananatis (formerly Erwinia uredovora) DSMZ 30080 (ATCC 19321). Accession: D90087. Converts lycopene to beta-carotene. crtZ (beta-carotene hydroxylase) from Pantoea ananatis. Converts beta-carotene to the yellow pigment zeaxnathin. The crtY-crtZ parts, containing RBSs native to Pantoea ananatis had been previously developed by Chris French of the iGEM07_Edinburgh group (2007-10-24, parts BBa_I742155 and BBa_I742158). These had previously been expressed under constitutive promoters such as J23103 but not under a T7 promoter that can be used in E. coli BL21(DE3). We kept the native RBSs on these genes and incorporated it into a new part under the control of the T7 promoter (BBa_I712074) and the terminator BBa_B0015. As with the melA expression construct descried above, these new control elements will allow users to specifically control when expression starts through an IPTG induction system, as well as limit leaky expression.

Sequence and Features


Assembly Compatibility:
  • 10
    COMPATIBLE WITH RFC[10]
  • 12
    COMPATIBLE WITH RFC[12]
  • 21
    COMPATIBLE WITH RFC[21]
  • 23
    COMPATIBLE WITH RFC[23]
  • 25
    COMPATIBLE WITH RFC[25]
  • 1000
    COMPATIBLE WITH RFC[1000]


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Categories
Parameters
None