| LSP | left sacroposterior [fetal position]; linguistic string project; liver-specific protein; lymphocyte-... |
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| MIP | macrophage inflammatory protein; major intrinsic protein; maximum inspiratory pressure; maximum inte... |
| 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 |
| protein acyl kinase | <enzyme> Transfers gamma-phosphate of ATP to a protein acceptor with formation of an acyl phosphate bond Registry number: EC 2.7.2.- (26 Jun 1999) |
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| protein acyltransferase | <enzyme> Human placental enzyme active in posttranslational acylation of membrane glycoproteins Registry number: EC 2.3.1.- Synonym: glycoprotein palmitoyltransferase (26 Jun 1999) |
| protein-arginine n-methyltransferase | <enzyme> An enzyme that catalyses the methylation of arginine residues of proteins to yield n-mono- and n,n-dimethylarginine. This enzyme is found in many organs, primarily brain and spleen. Chemical name: S-Adenosyl-L-methionine:protein-L-arginine N-methyltransferase Registry number: EC 2.1.1.23 (12 Dec 1998) |
| protein binding | The process in which substances, either endogenous or exogenous, bind to proteins, peptides, enzymes, protein precursors, or allied compounds. Specific protein-binding measures are often used as assays in diagnostic assessments. (12 Dec 1998) |
| protein-bound iodine | Thyroid hormone in its circulating form, consisting of one or more of the iodothyronines bound to one or more of the serum proteins. (05 Mar 2000) |
| protein-bound iodine test | A formerly used test of thyroid function in which serum protein-bound iodine is measured to provide an estimate of hormone bound to protein in peripheral blood. Synonym: PBI test. (05 Mar 2000) |
| protein c | A vitamin K-dependent protein in plasma that enters into the cascade of biochemical events leading to the formation of a clot. (12 Dec 1998) |
| protein-calorie malnutrition | Severe deficiency of protein + inadequate caloric intake = kwashiorkor. (12 Dec 1998) |
| protein c deficiency | Protein C is a protein in plasma that enters into the cascade of biochemical events leading to the formation of a clot. Deficiency of protein c results in thrombotic (clotting) disease and excess platelets with recurrent thrombophlebitis (inflammation of the vein that occurs when a clot forms). The clot can break loose and travel through the blood stream (thromboembolism) to the lungs causing a pulmonary embolism, brain causing a stroke (cerebrovascular accident), heart causing an early heart attack, skin causing what in the newborn is called neonatal purpura fulminans, the adrenal gland causing haemorrhage with abdominal pain, abnormally low blood pressure (hypotension), and salt loss. Protein c deficiency is due to possession of one gene (heterozygosity) in chromosome band 2q13-14. The possession of two such genes (homozygosity) is usually lethal. (12 Dec 1998) |
| protein c inhibitor | <chemical> A member of the serpin family of proteins that is found in plasma and urine. It is dependent on heparin and able to inhibit activated protein c, thrombin, kallikrein, and other serine proteinases. Pharmacological action: serine proteinase inhibitors. (12 Dec 1998) |
| protein conformation | The characteristic 3-dimensional shape of a protein, imposed upon it by the secondary and tertiary structure of the peptide chain. This stage in the structure of a protein describes the highest level of organization in overall structure assumed by multimeric proteins (aggregates of more than one polypeptide chain). This is the fourth folding level of protein building. (12 Dec 1998) |
| protein crystallization | This is an essential process in determining a protein's three-dimensional structure, and hence in using that information to design drugs. (14 Nov 1997) |
| protein-D-aspartate methyltransferase | <enzyme> For protein carboxymethylases consider also protein o-methyltransferase Registry number: EC 2.1.1.77 Synonym: d-aspartyl-l-isoaspartyl methyltransferase, protein d-aspartate-l-isoaspartate methyltransferase, protein l-isoaspartate o-methyltransferase, protein-beta-aspartate methyltransferase, protein-l-isoaspartate methyltransferase, protein l-isoaspartyl methyltransferase, isoaspartyl-aspartyl protein methyltransferase, protein-d-asp methyltransferase, l-isoaspartyl protein carboxymethyltransferase, pcm gene product, pcmt1 gene product (26 Jun 1999) |
| protein deficiency | A nutritional condition produced by a deficiency of proteins in the diet, characterised by adaptive enzyme changes in the liver, increase in amino acid synthetases, and diminution of urea formation, thus conserving nitrogen and reducing its loss in the urine. Growth, immune response, repair, and production of enzymes and hormones are all impaired in severe protein deficiency. Protein deficiency may also arise in the face of adequate protein intake if the protein is of poor quality (i.e., the content of one or more amino acids is inadequate and thus becomes the limiting factor in protein utilization). (12 Dec 1998) |
| protein disulfide-isomerase | <enzyme> An enzyme that catalyses the rearrangement of disulfide bonds within proteins during folding. It is a monomer identical to one of the subunits of procollagen-proline dioxygenase. Chemical name: Protein disulfide-isomerase Registry number: EC 5.3.4.1 (12 Dec 1998) |