4.4.1.30: phycobiliprotein beta-cysteine-155 phycobilin lyase
This is an abbreviated version!
For detailed information about phycobiliprotein beta-cysteine-155 phycobilin lyase, go to the full flat file.
Word Map on EC 4.4.1.30
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4.4.1.30
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cardiopulmonary
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cpets
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nostoc
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fatigue
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lyases
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apoproteins
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phycocyanin
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chromophore
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phycoerythrocyanin
- 4.4.1.30
-
cardiopulmonary
-
cpets
- nostoc
-
fatigue
- lyases
- apoproteins
- phycocyanin
- chromophore
-
phycoerythrocyanin
Reaction
Synonyms
all5339, cpcT, CpcT1, CpeT, CpeT1, PhiCpeT, phycobiliprotein lyase CpcT
ECTree
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General Information
General Information on EC 4.4.1.30 - phycobiliprotein beta-cysteine-155 phycobilin lyase
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physiological function
cpcT null mutant contains 40% less phycocyanin than wild type and produces smaller phycobilisomes with red-shifted absorbance and fluorescence emission maxima. Phycocyanin from the cpcT mutant has an absorbance maximum at 634 nm compared with 626 nm for the wild-type. The phycocyanin beta-subunit from the cpcT mutant has slightly smaller apparent molecular weight on SDS-PAGE. No phycocyanobilin chromophore is bound to the peptide containing Cys153 derived from the phycocyanin beta-subunit of the cpcT mutant
physiological function
enzyme specifically binds phycoerythrobilin in vitro leading to a tight complex. The complex is not directly able to transfer phycoerythrobilin to the host phycobiliprotein beta-subunit. However, it can assist the host lyase CpeS in its function