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. 2010 Jan 12;10:1. doi: 10.1186/1472-6807-10-1

Table 2.

Identification of multidomain proteins containing the R domain

Category Total number of proteins
NRPS 118
PKS 27
Hypothetical 59
Unnamed protein 19
NAD-dependent epimerase 5
NRPS-PKS 7
Fatty acyl synthetase 5
Antibiotic synthetase 2
Others 10

Total 252

*A total of 252 multidomain proteins containing R domain were identified. The categorization is based on the NCBI database. The R domain is present in the NRPS and PKS system more often than in other systems.