Table 2: List of industrially viable enzymes from actinomycetes and their characteristics.

EnzymeProducing StrainpH stabilityThermal stabilitySubstrate
specificity
Reference

Recombinant Streptomyces sp.5.0–12.0
40–50°C
CMC
[6]
Thermobifida halotolerans 6.0–8.040–50°CCMC[7]
CellulaseRecombinant Streptomyces sp.10.0
40°C
CMC
[8]
Thermomonospora sp.7.0–10.050°CCMC[9]
Streptomyces ruber 5.5–7.035–40°CCMC[10]

Actinomadura sp.4.070°CXylan[11]
XylanaseRecombinant strain5.0–7.070–80°CXylan[12]
Recombinant strain5.0–7.060–70°CBirch xylan[13]
Streptomyces spp.8.0–11.045–60°CXylan[14]

Streptomyces sp.5.0–7.045–50°CStarch[15]
Streptomyces erumpens 9.0-10.040–50°CStarch[16]
AmylaseNocardiopsis sp.8.670–80°CStarch[17]
Thermobifida fusca 5.0–7.060°CStarch[18]
Nocardiopsis sp.5.0–10.035–45°CStarch[19]

PectinaseStreptomyces lydicus 4.0–7.045°CPolygalacturonic acid[20]

Thermoactinomyces sp.4.050°CNA[21]
Nocardiopsis sp.10.040–50°CCasein[22]
ProteaseStreptomyces pactum 7.540°CCasein[23]
Streptomyces thermoviolaceus 6.565°CKeratin[24]
Streptomyces sp. 4.0–11.030–60°CKeratin azure[25]

Nocardiopsis prasina 7.050–60°CColloidal chitin[21]
ChitinaseStreptomyces thermoviolaceus 6.060°CColloidal chitin[26]
Microbispora sp.3.0–11.030–50°CColloidal chitin[27]

CMC: Carboxymethyl cellulose; NA: not available.