추천 제품
양식
lyophilized powder
Quality Level
특이 활성도
25-75 units/mg protein
분자량
~128 kDa (by gel filtration)
구성
Protein, ≥60% biuret
저장 온도
−20°C
일반 설명
Research area: Cell Signaling
Glycerol kinase (GK) is part of the FGGY carbohydrate kinase family.
Glycerol kinase (GK) is part of the FGGY carbohydrate kinase family.
애플리케이션
Glycerokinase from Cellulomonas sp. has been used:
- for determining the kinetic characteristics of human and trypanosomatid phosphofructokinases using an enzyme-linked kinetic assay.
- to study the effect of sugar in fluorescence emission.
- in 2-Arachidonoylglycerol-based fluorescence assay for DH-463, a fluorescent activity-based probe for monoacylglycerol lipase.
생화학적/생리학적 작용
Glycerol kinase catalyzes the MgATP-dependent phosphorylation of glycerol to produce sn-glycerol-3-phosphate and is the rate limiting enzyme in the utilization of glycerol. It is also subject to feedback regulation by fructose-1,6-bisphosphate.Mutations in this gene are associated with Glycerol Kinase Deficiency (GKD), a condition characterized primarily by hypertriglyceridemia and hypoglycemia. This enzyme is useful for enzymatic determination of glycerol and triglyceride when coupled with glycerol-3-phosphate dehydrogenase (=G-3-P DH, G3D-301), glycerol-3-phosphate oxidase (=G-3-P oxidase, G3O-301, G3O-311, G3O-321) or pyruvate kinase (PYK-301) and lactate dehydrogenase (LCD-209, LCD-211), lipoprotein lipase (LPL-311, LPL-314) in clinical analysis
물리적 특성
Isoelectric point : 4.2
Michaelis constants : 4.4 x 10-5M (Glycerol), 4.3 x 10-4M (ATP)
Inhibitors : p-Chloromercuribenzoate, heavy metal ions (Pb++, Fe++, Hg++, Ag+)
Optimum pH : 9.8 (G-3-PDH system), 7.8 (G-3-P oxidase system) Optimum temperature : 500C
pH Stability : pH 5.5 x 10.0 (25oC, 20hr)
Thermal stability : below 40oC (pH 7.5, 15min)
Substrate specificity : This enzyme catalyzes the stereospecific transfer of the terminal
phosphoryl moiety of ATP to one of the primary hydroxyl group of
glycerol, forming sn-glycerol-3-P. The enzyme has the highest
specificity for glycerol, and also phosphorylates dihydroxyacetone
and glyceraldehyde (Table 1,2). Mg++ is essentially required for the
reaction.
Michaelis constants : 4.4 x 10-5M (Glycerol), 4.3 x 10-4M (ATP)
Inhibitors : p-Chloromercuribenzoate, heavy metal ions (Pb++, Fe++, Hg++, Ag+)
Optimum pH : 9.8 (G-3-PDH system), 7.8 (G-3-P oxidase system) Optimum temperature : 500C
pH Stability : pH 5.5 x 10.0 (25oC, 20hr)
Thermal stability : below 40oC (pH 7.5, 15min)
Substrate specificity : This enzyme catalyzes the stereospecific transfer of the terminal
phosphoryl moiety of ATP to one of the primary hydroxyl group of
glycerol, forming sn-glycerol-3-P. The enzyme has the highest
specificity for glycerol, and also phosphorylates dihydroxyacetone
and glyceraldehyde (Table 1,2). Mg++ is essentially required for the
reaction.
단위 정의
One unit will convert 1.0 μmole of glycerol and ATP to L-α-glycerophosphate and ADP per min at pH 9.8 at 25 °C in a coupled system with PK/LDH.
물리적 형태
Lyophilized powder containing phosphate buffer salts and sodium gluconate
신호어
Danger
유해 및 위험 성명서
예방조치 성명서
Hazard Classifications
Resp. Sens. 1
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
개인 보호 장비
Eyeshields, Gloves, type N95 (US)
이미 열람한 고객
Purification and properties of glycerol kinase from Escherichia coli.
S I Hayashi et al.
The Journal of biological chemistry, 242(5), 1030-1035 (1967-03-10)
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N Zwaig et al.
Journal of bacteriology, 102(3), 753-759 (1970-06-01)
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Ioanna Gouni-Berthold et al.
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