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Literature summary for 2.4.1.13 extracted from

  • Klotz, K.L.; Finger, F.L.; Shelver, W.L.
    Characterization of two sucrose synthase isoforms in sugar beet root (2003), Plant Physiol. Biochem., 41, 107-115.
No PubMed abstract available
Search for more literature for 2.4.1.13

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.31
-
 UDP pH 6.5, 35°C, SuSyII Beta vulgaris
0.34
-
 UDP pH 6.5, 35°C, SuSyI Beta vulgaris
0.43
-
 UDP-glucose pH 6.5, 35°C, SuSyII Beta vulgaris
0.6
-
 UDP-glucose pH 7.5, 35°C, SuSyI Beta vulgaris
1.1
-
 D-fructose pH 7.5, 35°C, SuSyI Beta vulgaris
1.8
-
 D-fructose pH 6.5, 35°C, SuSyII Beta vulgaris
91
-
 sucrose pH 6.5, 35°C, SuSyII Beta vulgaris
100
-
 sucrose pH 6.5, 35°C, SuSyI Beta vulgaris

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
84000
-
 2 * 84000 + 2 * 86000, SuSyI, SDS-PAGE Beta vulgaris
86000
-
 2 * 84000 + 2 * 86000, SuSyI, SDS-PAGE Beta vulgaris
86000
-
 4 * 86000, SuSyII, SDS-PAGE Beta vulgaris
320000
-
 SuSyI and SuSyII, gel filtration Beta vulgaris

Organism

Organism UniProt Comment Textmining
Beta vulgaris Q6SJP5 SBSS2
-
Beta vulgaris Q94G60
-
-

Purification (Commentary)

Purification (Comment) Organism
-
 Beta vulgaris

Source Tissue

Source Tissue Comment Organism Textmining
root
-
 Beta vulgaris
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
136.1
-
-
 Beta vulgaris

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
UDP + sucrose
-
 Beta vulgaris UDP-glucose + D-fructose
-
 ?

Subunits

Subunits Comment Organism
tetramer 2 * 84000 + 2 * 86000, SuSyI, SDS-PAGE Beta vulgaris
tetramer 4 * 86000, SuSyII, SDS-PAGE Beta vulgaris

Synonyms

Synonyms Comment Organism
SuSyI
-
 Beta vulgaris
SuSyII
-
 Beta vulgaris

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
45
-
 pH 7.5, synthesis of sucrose, SuSyI Beta vulgaris
45 50 pH 6.5, cleavage of sucrose, SuSyII Beta vulgaris
50
-
 pH 6.5, cleavage of sucrose, SuSyI. Synthesis of sucrose, SuSy II Beta vulgaris

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6
-
 cleavage of sucrose, SuSyI Beta vulgaris
6.5
-
 synthesis of sucrose, SuSyII Beta vulgaris
7
-
 synthesis of sucrose, SuSyII Beta vulgaris
7.5
-
 synthesis of sucrose, SuSyI Beta vulgaris