MpeZ family


Biochemically characterized as a Cys-83 alpha-PEII:PEB lyase isomerase in Synechococcus sp. RS9916 (Shukla et al., 2012). Likely does not form an heterodimer. Sequence related to MpeY and MpeW and more distantly to CpeY (Humily et al., 2013). The mpeZ gene is specific of one of the two groups of marine Synechococcus able to chromatically acclimate (CA4-A) and is generally located outside the main phycobilisome rod region (Six et al., 2007; Humily et al., 2013).


  • Humily et al., 2013. A gene island with two possible configurations is involved in chromatic acclimation in marine Synechococcus PLoS One, 8, e84459.
  • Shukla et al., 2012. Phycoerythrin-specific bilin lyase-isomerase controls blue-green chromatic acclimation in marine Synechococcus Proc Natl Acad Sci USA, 49, 20136-20141.
  • Six et al., 2007. Diversity and evolution of phycobilisomes in marine Synechococcus spp.: a comparative genomics study Genome Biol, 8, R259.

Showing only sure genes

Gene Locus tag Genbank Species Strain PBP in rods Pigment type Remark Length Last change
MpeZ family sync_2228 YP_731426.1 Synechococcus sp. CC9311 PC+PEI+PEII 3dA/CA4-A 409 09-26-2011
MpeZ family Syncc9902_1568 YP_377570.1 Synechococcus sp. CC9902 PC+PEI+PEII 3dA/CA4-A 409 09-26-2011
MpeZ family BL107_10891 ZP_01469555.1 Synechococcus sp. BL107 PC+PEI+PEII 3dA/CA4-A 409 09-26-2011
MpeZ family RS9916_39531 ZP_01472949.1 Synechococcus sp. RS9916 PC+PEI+PEII 3dA/CA4-A 413 09-26-2011
MpeZ family SynRCC307_2004 YP_001228260.1 Synechococcus sp. RCC307 PC+PEI+PEII 3eA 414 09-26-2011

Model strain Model strains, Marine strains

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