Protein Domain : IPR011810

Type:  Family Name:  Cyanophycin synthetase
Description:  Cyanophycin is an insoluble storage polymer for carbon, nitrogen, and energy, found in most Cyanobacteria. The polymer has a backbone of L-aspartic acid, with most Asp side chain carboxyl groups attached to L-arginine. The polymer is made by this enzyme, cyanophycin synthetase, and degraded by cyanophycinase. Heterologously expressed cyanophycin synthetase in Escherichia coliproduces a closely related, water-soluble polymer with some Arg replaced by Lys. It is unclear whether enzymes that produce soluble cyanophycin-like polymers in vivo in non-Cyanobacterial species should be designated as cyanophycin synthetase itself or as a related enzyme. Cyanophycin synthesis is analogous to polyhydroxyalkanoic acid (PHA) biosynthesis, except that PHA polymers lack nitrogen and may be made under nitrogen-limiting conditions []. Short Name:  Cya_phycin_syn
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0 Child Features

4 Contains

DB identifier Type Name
IPR004101 Domain Mur ligase, C-terminal
IPR013221 Domain Mur ligase, central
IPR011761 Domain ATP-grasp fold
IPR013815 Domain ATP-grasp fold, subdomain 1

1 Cross References

Identifier
TIGR02068

0 Found In

3 GO Annotations

GO Term Gene Name
GO:0005524 IPR011810
GO:0016874 IPR011810
GO:0009059 IPR011810

3 Ontology Annotations

GO Term Gene Name
GO:0005524 IPR011810
GO:0016874 IPR011810
GO:0009059 IPR011810

0 Parent Features

0 Proteins

1 Publications

First Author Title Year Journal Volume Pages PubMed ID
            11976746