| diacylglycerol kinase | <enzyme> An enzyme of the transferase class that catalyses the phosphorylation of a diacylglycerol to form a phosphatidate, using ATP as a phosphate donor. Chemical name: ATP:1,2-diacylglycerol 3-phosphotransferase Registry number: EC 2.7.1.107 (12 Dec 1998) |
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| diacylglycerol lipase | <enzyme> An enzyme of the hydrolase class that catalyses the reaction of triacylglycerol and water to yield diacylglycerol and a fatty acid anion. The enzyme hydrolyzes triacylglycerols in chylomicrons, very-low-density lipoproteins, low-density lipoproteins, and diacylglycerols. It occurs on capillary endothelial surfaces, especially in mammary, muscle, and adipose tissue. Genetic deficiency of the enzyme causes familial hyperlipoproteinaemia type I. Chemical name: Triacylglycero-protein acylhydrolase Registry number: EC 3.1.1.34 (12 Dec 1998) |
| diacylglycerol pyrophosphate phosphatase | <enzyme> Catalyses the dephosphorylation of the beta phosphate of diacylglycerol pyrophosphate (dgpp) to produce phosphatidate and p(i) Registry number: EC 3.6.1.- Synonym: dgpp phosphatase (26 Jun 1999) |
| diacytosis | Discharge of an empty pinocytotic vesicle from a cell. Not commonly used. (18 Nov 1997) |
| diad | 1. The transverse tubule and a cisterna in cardiac muscle fibres. Synonym: dyad. (05 Mar 2000) |
| diadelphia | <botany> A Linnaean class of plants whose stamens are united into two bodies or bundles by their filaments. Source: Websters Dictionary (01 Mar 1998) |
| diadelphous | Having the stamens United into two groups, or all but one united in a group and one free. (09 Oct 1997) |
| diadem | 1. Originally, an ornamental head band or fillet, worn by Eastern monarchs as a badge of royalty; hence (later), also, a crown, in general. "The regal diadem." 2. Regal power; sovereignty; empire; considered as symbolized by the crown. 3. An arch rising from the rim of a crown (rarely also of a coronet), and uniting with others over its center. Diadem lemur. 4. <zoology> The garden spider. Origin: F. Diademe, L. Diadema, fr. Gr, fr. To bind round; through, across + to bind; cf. Skr. Da to bind. Source: Websters Dictionary (01 Mar 1998) |
| diadenosine 5,5'''-P(1),P(4)-tetraphosphate alpha,beta-phosphorylase | <enzyme> Ap4a + inorganic po4 forms ATP + ADP Registry number: EC 2.7.7.53 Synonym: ap4a phosphorylase, ATP adenylyltransferase (26 Jun 1999) |
| diadenosine polyphosphate hydrolase | <enzyme> Hydrolyzes diadenosine polyphosphates from ap3a to ap6a to form AMP and ap(n-1) Registry number: EC 3.6.1.- Synonym: apna hydrolase, ecto-diadenosine polyphosphate hydrolase, ecto-ap(n)aase (26 Jun 1999) |
| diadenosine triphosphate hydrolase | <enzyme> Forms AMP Registry number: EC 3.1.4.- Synonym: ap3a hydrolase (26 Jun 1999) |
| diadermic | Synonym: percutaneous. Origin: G. Dia, through, + derma, skin (05 Mar 2000) |
| diadochocinesia | Diadochokinesis The normal power of alternately bringing a limb into opposite positions, as of flexion and extention or of pronation and supination. Synonym: diadochocinesia. Origin: G. Diadochos, working in turn, + kinesis, movement (05 Mar 2000) |
| diadochokinesia | Diadochokinesis The normal power of alternately bringing a limb into opposite positions, as of flexion and extention or of pronation and supination. Synonym: diadochocinesia. Origin: G. Diadochos, working in turn, + kinesis, movement (05 Mar 2000) |
| diadochokinetic | Relating to diadochokinesia. (05 Mar 2000) |