| MIP | macrophage inflammatory protein; major intrinsic protein; maximum inspiratory pressure; maximum inte... |
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| MTP | maximum tolerated pressure; medial tibial plateau; median time to progression; metacarpophalangeal; ... |
| NHP | nonhemoglobin protein; nonhistone protein; normal human pooled plasma; Nottingham Health Profile; nu... |
| NSP | neuron specific protein; nonstructural protein |
| OMP | olfactory marker protein; ornithine monophosphate; outer membrane protein |
| GAP protein | <molecular biology> Originally purified as a 125 kD protein from bovine brain (1044 amino acids), stimulates the GTPase activity of ras p21 and thereby switches it to the inactive state. GAP may itself be regulated by phospholipids and by phosphorylation on a tyrosine residue by growth factor receptors (PDGF R, EGF R). The neurofibromatosis type 1 gene NF1) codes for a protein homologous to GAP. GAP has both SH2 and SH3 domains. Another example is sar 1 (from yeast). (18 Nov 1997) |
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| MAK-L protein kinase | <enzyme> Putative protein serine threonine kinase from microtubules, nuclei and centromeres of cho-k1 cells; 72% identical to human kiaa0204 protein; genbank af002245 Registry number: EC 2.7.10.- Synonym: microtubule-associated kinase, large, 3d2 protein, cho-k1 (26 Jun 1999) |
| Mak protein kinase | <enzyme> A testis-specific kinase expressed in the meiotic phase of spermatogenesis in rat; one of the physiological substrates is a 210 kD phosphoprotein; distantly related to cdc2 kinase; has been sequenced Registry number: EC 2.7.10.- Synonym: mak gene product, male germ cell-associated kinase (26 Jun 1999) |
| malonyl-CoA-acetyl CoA-acyl carrier protein S-acyltransferase | <enzyme> Specific for either malonyl-CoA or acetyl-CoA; a component of fatty acid synthase Registry number: EC 2.8.3.- Synonym: mcoa-acoa acp acyltransferase (26 Jun 1999) |
| maltose binding protein | <protein> Protein of the bacterial (E. Coli) surface that links with MCP II and is involved in the chemotactic response to maltose, probably derived from a similar protein that links with a trans membrane transport system. (18 Nov 1997) |
| GCN2 protein kinase | <enzyme> From saccharomyces cerevisiae; has homology to eif-2alpha kinase Registry number: EC 2.7.1.- (26 Jun 1999) |
| ras protein geranylgeranyltransferase | <enzyme> Mammalian enzyme transfers geranylgeranyl groups to a cysteine residue fourth from the c-terminal group of a p21 ras protein, prefers leucine at the cooh terminus; see also rhoa geranylgeranyltransferase and protein geranylgeranyltransferase Registry number: EC 2.5.1.- Synonym: geranylgeranyltransferase ras protein, ras protein gg transferase, ggtase I, caax geranylgeranyl transferase (26 Jun 1999) |
| gene regulatory protein | <molecular biology> Any protein that interacts with DNA sequences of a gene and controls its transcription. (18 Nov 1997) |
| rec A protein | <protein> A protein (40 kD) product of the rec (recombination) gene, that catalyses the pairing of a single stranded piece of DNA with its complementary sequence, displacing a loop of single stranded DNA (D loop). It catalyses the ATP-driven exchange of DNA strands in genetic recombination. The product of the reaction consists of a duplex and a displaced single-stranded loop which has the shape of the letter d and is therefore called a d-loop structure. ATP is hydrolyzed to ADP during the reaction; also has proteolytic activity. (22 Sep 2002) |
| rec B protein | <protein> Protein (140 kD), one subunit of nuclease that unwinds double stranded DNA and fragments the strands sequentially, the other subunit is recC (128 kD) (18 Nov 1997) |
| receptor protein | An intracellular protein (or protein fraction) that has a high specific affinity for binding a known stimulus to cellular activity, such as a steroid hormone or adenosine 3',5'-cyclic phosphate. (05 Mar 2000) |
| receptor protein-tyrosine kinase | <enzyme> A catalytic protein-tyrosine kinase domain found on the cytoplasmic beta-portion of receptors. Many growth and differentiation factor receptors contain this domain. It is critical for the signal transduction pathways required for mitogenesis, transformation, and cell differentiation. Registry number: EC 2.7.1.- (12 Dec 1998) |
| parathyroid hormonelike protein | A 140 amino acid protein secreted by some cancer cells; it causes hypercalcaemia. (05 Mar 2000) |
| carrier protein | <protein> A protein which transports specific substances through the cell membrane in which it is embedded and into the cell. Different carrier proteins are required to transport different substances, as each one is designed to recognise only one substance, or group of similar substances. (09 Oct 1997) |
| catabolite gene activator protein | <molecular biology, protein> A regulatory protein that triggers the transcription of genes that generate the enzymes bacteria need to usenutrients when glucose isabsent. (16 Mar 1998) |