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Literature summary for 6.1.1.21 extracted from

  • Menguito, C.A.; Papaconstantinou, J.; Weigel, P.H.
    The histidyl-tRNA synthetase from Streptococcus equisimilis: overexpression in Escherichia coli. Purification and characterization (1993), Prep. Biochem., 23, 499-472.
No PubMed abstract available

Cloned(Commentary)

Cloned (Comment) Organism
overexpression in Escherichia coli of a fusion HisRS, with additional 15 amino acids between the initiator Met and the second amino acid Lys Streptococcus dysgalactiae subsp. equisimilis

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
53700
-
2 * 53700, SDS-PAGE with or without reduction Streptococcus dysgalactiae subsp. equisimilis
94000
-
gel filtration, active fusion HisRS Streptococcus dysgalactiae subsp. equisimilis
108200
-
nondenaturing PAGE, active fusion HisRS Streptococcus dysgalactiae subsp. equisimilis

Organism

Organism UniProt Comment Textmining
Streptococcus dysgalactiae subsp. equisimilis
-
native HisRS and fusion HisRS
-

Purification (Commentary)

Purification (Comment) Organism
native HisRS and fusion HisRS Streptococcus dysgalactiae subsp. equisimilis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ATP + L-histidine + tRNAHis
-
Streptococcus dysgalactiae subsp. equisimilis AMP + diphosphate + L-histidyl-tRNAHis
-
?

Subunits

Subunits Comment Organism
dimer 2 * 53700, SDS-PAGE with or without reduction Streptococcus dysgalactiae subsp. equisimilis