method of molecular replacement

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• Molecular replacement — Molecular replacement[1] (or MR) is a method of solving the phase problem in X ray crystallography. MR relies upon the existence of a previously solved protein structure which is homologous (similar) to our unknown structure from which the… …   Wikipedia

• Ultra high molecular weight polyethylene — (UHMWPE), also known as high modulus polyethylene (HMPE) or high performance polyethylene (HPPE), is a subset of the thermoplastic polyethylene. It has extremely long chains, with molecular weight numbering in the millions, usually between 2 and… …   Wikipedia

• Ultra-high-molecular-weight polyethylene — (UHMWPE or sometimes shortened to UHMW), also known as high modulus polyethylene (HMPE) or high performance polyethylene (HPPE), is a subset of the thermoplastic polyethylene. It has extremely long chains, with molecular weight numbering in the… …   Wikipedia

• Hormone replacement therapy (menopause) — Hormone replacement therapy (HRT) is a system of medical treatment for surgically menopausal, perimenopausal and to a lesser extent postmenopausal women. It is based on the idea that the treatment may prevent discomfort caused by diminished… …   Wikipedia

• X-ray crystallography — can locate every atom in a zeolite, an aluminosilicate with many important applications, such as water purification. X ray crystallography is a method of determining the arrangement of atoms within a crystal, in which a beam of X rays strikes a… …   Wikipedia

• Phase problem — The phase problem is the name given to the problem of loss of information (the phase) from a physical measurement. The name itself comes from the field of x ray crystallography, where the phase problem has to be solved for the determination of a… …   Wikipedia

• Détermination d'une structure cristalline — La détermination d une structure cristalline consiste, de manière générale, à déterminer, pour un cristal de structure inconnue, les paramètres de sa maille conventionnelle, son réseau de Bravais, son groupe d espace et la position des atomes… …   Wikipédia en Français

• Outer segment disc shedding — The retina contains two types of photoreceptors – rods and cones. There are about 6 7 million cones that provide color vision to the eye, and they are very concentrated in a central spot in the retina, called the macula. However, the rods are… …   Wikipedia

• Disc shedding — The retina contains two types of photoreceptor – rod cells and cone cells. There are about 6 7 million cones that provide color vision to the eye, and they are very concentrated in a central spot in the retina, called the macula. However, the… …   Wikipedia

• Serum albumin — This article is about the family of mammalian albumin proteins. For the human variant, see human serum albumin. For the cow variant, see bovine serum albumin. Albumin PDB rendering based on 1e7h …   Wikipedia

• Axel T. Brunger — (born November 25, 1956) is a German American biophysicist and Professor of Molecular and Cellular Physiology, and Neurology and Neurological Sciences at Stanford University, and an Howard Hughes Medical Institute Investigator. Early life Brunger …   Wikipedia