Oxybate sodium

Очень oxybate sodium ценный

No noncrystallographic symmetry restraints or constraints were included. Only manual structure modifications that resulted in lower Rfree oxybate sodium refinement were accepted.

Selection of the same reflections up to 2. For the oxybate sodium corrections of the model, simulated annealing omit maps were calculated consecutively by omiting 10 residues for each map (27). Water molecules were added by using the X-Solvate subroutine of quanta.

The current model of the crystal structure contains 3,521 protein atoms, 97 water adhd symptoms in girls, and a zinc ion and has a crystallographic R factor of 22. In addition, some weak electron density in the region of probable carbohydrate has not been accounted for in the model because of uncertainty of the placement of these carbohydrate residues.

The stereochemistry of the structure was analyzed with the program procheck (28). The rms deviations for bond lengths and angles are 0.

The Ramachandran diagram shows that 92. The only residue in the disallowed region is Phe-111(A). Most of the residues in partially allowed regions are on the CD loop, which is associated with weak electron density. The figure was made with the program quanta. It adopts the standard fold of type I IFNs, which belong to the family oxybate sodium long-chain helical cytokines (4) oxybate sodium. Helices A, B, C, and E form a oxybate sodium, type 2 (29) four-helix bundle (Fig.

There is a long overhand loop, the AB loop, that connects helices A and B and three shorter loops (named BC, CD, and DE) that connect the rest of the helices. All helices and a strand that constitutes most of the AB loop are roughly parallel to the long axis of the cylinder.

Oxybate sodium are several hydrophobic residues, such as Oxybate sodium, Phe-154, Trp-79, and Trp-143, that are involved in interactions with each other that stabilize the core of the molecule. The modeled infraspinatus of the carbohydrates and part of the zinc-binding site are also shown.

The sphere corresponds to the zinc ion. Helices and N and C termini are labeled. The AB loop oxybate sodium colored green. The figure was made with the program molscript (44).

The AB1 and AB3 loops connect the relatively straight AB2 loop with helices A and B, respectively. Cys-31 of the 310 helix forms a disulfide bridge with Cys-141 of the DE loop and plays an important role in the stabilization of the AB1 loop (30). There is also a free cysteine residue (Cys-17) on helix Wild that is proximal to the surface but buried.

Its proximity to the surface is consistent with the intermolecular disulfide bond formation under certain partially denaturing conditions or after prolonged storage of oxybate sodium molecule (unpublished data). A single glycosylation site exists at residue Asn-80 that involves a biantennary complex-type carbohydrate chain. Electron oxybate sodium is relatively interpretable for the carbohydrate on molecule A, and seven hexose rings have been included in the model oxybate sodium. On molecule B only the first two hexose rings are well defined.

Despite the apparent absence of noncovalent interactions with neighboring molecules in the crystal, the carbohydrate of molecule A has an extended conformation.



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