CpeY family


CpeY is a lyase involved in the attachment of PEB at Cys-82 alpha-PE (CpeA). Its activity is enhanced by CpeZ. CpeY alone, but not CpeZ can ligate PEB to CpeA, but with a reduced yield than CpeY and CpeZ together (Biswas et al., 2011)


  • Biswas et al., 2011. Characterization of the activities of the CpeY, CpeZ, and CpeS bilin lyases in phycoerythrin biosynthesis in Fremyella diplosiphon strain UTEX 481 J Biol Chem, 286(41), 35509-21.
  • Kahn et al., 1997. A role for cpeYZ in cyanobacterial phycoerythrin biosynthesis J Bacteriol, 179, 998-1006.

Gene Locus tag Genbank Species Strain PBP in rods Pigment type Remark Length Last change
CpeY family sync_0499 YP_729726.1 Synechococcus sp. CC9311 PC+PEI+PEII 3dA/CA4-A 442 09-26-2011
CpeY family Syncc9605_0429 YP_380760.1 Synechococcus sp. CC9605 PC+PEI+PEII 3c 441 09-26-2011
CpeY family SH8109_0080 ZP_05789451.1 Synechococcus sp. WH8109 PC+PEI+PEII 3bB 441 09-26-2011
CpeY family SYNW2013 NP_898104.1 Synechococcus sp. WH8102 PC+PEI+PEII 3c 441 09-26-2011
CpeY family Syncc9902_1898 YP_377899.1 Synechococcus sp. CC9902 PC+PEI+PEII 3dA/CA4-A 441 09-26-2011
CpeY family BL107_08931 ZP_01469889.1 Synechococcus sp. BL107 PC+PEI+PEII 3dA/CA4-A 444 09-26-2011
CpeY family SynWH7803_0491 YP_001224214.1 Synechococcus sp. WH7803 PC+PEI+PEII 3a 430 09-26-2011
CpeY family WH7805_06686 ZP_01123337.1 Synechococcus sp. WH7805 PC+PEI 2 427 09-26-2011
CpeY family RS9916_40211 ZP_01473085.1 Synechococcus sp. RS9916 PC+PEI+PEII 3dA/CA4-A 440 09-26-2011
CpeY family SynRCC307_2053 YP_001228309.1 Synechococcus sp. RCC307 PC+PEI+PEII 3eA 441 09-26-2011
CpeY family SCB02_010100004298 ZP_07970129.1 Synechococcus sp. CB0205 PC+PEI 2 427 11-04-2011
CpeY family S7335_3216 ZP_05036780.1 Synechococcus sp. PCC7335 PC+PEI CA3 N-term shortened (11 aa removed by FP: MQAAFDRFLTA) 420 09-26-2011
CpeY family Syn8016DRAFT_2753 ZP_08957406.1 Synechococcus sp. WH8016 PC+PEI+PEII 3aA 438 11-04-2011
CpeY family NATL1_03891 YP_001014218.1 Prochlorococcus marinus NATL1A PEIII high b/a 434 09-26-2011
CpeY family PMN2A_1675 YP_292866.1 Prochlorococcus marinus NATL2A PEIII high b/a 434 09-26-2011
CpeY family Pro0341 NP_874735.1 Prochlorococcus marinus SS120 (CCMP1375) PEIII high b/a 439 09-26-2011
CpeY family P9211_03361 YP_001550221.1 Prochlorococcus marinus MIT9211 PEIII High b/a 441 09-26-2011
CpeY family P9303_22321 YP_001018232.1 Prochlorococcus sp. MIT9303 PEIII high b/a 449 09-26-2011
CpeY family PMT1679 NP_895506.1 Prochlorococcus sp. MIT9313 PEIII high b/a 449 09-26-2011
CpeY family CwatDRAFT_0665 ZP_00518425.1 Crocosphaera watsonii WH8501 PC+PEI There is another partial CpeY sequence in this genome almost 100% identical to this one (possibly an assembly error). 419 08-27-2012
CpeY family PCC7424_5731 YP_002381026.1 Cyanothece sp. PCC7424 PC+PEI 2 431 09-26-2011
CpeY family PCC8801_4512 YP_002364790.1 Cyanothece sp. PCC8801 PC+PEI 2 425 09-26-2011
CpeY family Cyan7822_4045 YP_003889245.1 Cyanothece sp. PCC7822 PC+PEI 2 431 09-26-2011
CpeY family gi|47606672|gb|AAT36318.1| AAT36318.1 Fremyella diplosiphon (Tolypothrix sp. / Calothrix sp.) Fd33 (UTEX481/PCC7601) PC+PEI CA3 429 09-26-2011
CpeY family gvip158 NP_924134.1 Gloeobacter violaceus PCC7421 PC+PEI 2 428 11-24-2011
CpeY family GL6909_3532 Gloeothece sp. PCC6909/1 PC+PEI 2 431 06-06-2011
CpeY family Npun_R3801 YP_001867128.1 Nostoc punctiforme ATCC29133 (PCC73102) PC+PEI 2 427 09-26-2011
CpeY family Tery_0990 YP_720843.1 Trichodesmium erythraeum IMS101 PC+PEI 425 09-26-2011
CpeY family CwatDRAFT_5980 ZP_00514215.1 Crocosphaera watsonii WH8501 PC+PEI Sequence incomplete. N-term extended (35 aa added) but still incomplete. 282 08-27-2012
CpeY family LYNGBM3L_56120 ZP_08427724.1 Lyngbya majuscula 3L PC+PEI 2 427 10-19-2011
CpeY family CWATWH0003_0669 EHJ14661.1 Crocosphaera watsonii WH0003 PC+PEI 426 02-22-2012
CpeY family MICAI_2830023 ZP_10228735.1 Microcystis sp. T1-4 PC+PEI 2 420 08-22-2012
CpeY family SynWH8020_cpeY AAA27337.1 Synechococcus sp. WH8020 PC+PEI+PEII 3dA/CA4-A N-term extended (23 aa added) 442 08-27-2012
CpeY family Ple7327_1467 YP_007080403.1 Pleurocapsa sp. PCC7327 PC+PEI N-terml shortened (16 aa) 427 07-02-2013
CpeY family Mic7113_4748 YP_007123827.1 Microcoleus sp. PCC7113 PC+PEI 2 426 04-23-2013
CpeY family Osc7112_1033 YP_007114007.1 Oscillatoria nigro-viridis PCC7112 PC+PEI 2 429 04-23-2013
CpeY family GLO73106DRAFT_00012680 ZP_21051604.1 Gloeocapsa sp. PCC73106 PC+PEI 422 04-23-2013
CpeY family Xen7305DRAFT_00050160 ZP_21053197.1 Xenococcus sp. PCC7305 PC+PEI 422 04-23-2013
CpeY family Pse7367_3888 YP_007083545.1 Pseudanabaena sp. PCC7367 PC+PEI 442 04-23-2013
CpeY family Lepto7376_4083 YP_007073046.1 Leptolyngbya sp. PCC7376 PC+PEI 422 04-23-2013
CpeY family Sta7437_4287 YP_007134724.1 Stanieria cyanosphaera PCC7437 PC+PEI 426 04-29-2013
CpeY family Cal6303_1007 YP_007136044.1 Calothrix sp. PCC6303 PC+PEI 2 427 04-29-2013
CpeY family Cha6605_4053 YP_007098536.1 Chamaesiphon minutus PCC6605 PC+PEI N-term shortened (25 aa) 430 07-02-2013
CpeY family Cal6303_4892 YP_007139762.1 Calothrix sp. PCC6303 PC+PEI 2 421 04-29-2013
CpeY family Osc10802DRAFT_5372 Oscillatoria sp. PCC10802 PC+PEI 427 06-12-2013
CpeY family ZP_18907655 ZP_18907655.1 Leptolyngbya sp. PCC7375 PC+PEI 2 427 06-20-2013

Model strain Model strains, Marine strains

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