W J Ray Jr
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Explore the profile of W J Ray Jr including associated specialties, affiliations and a list of published articles.
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73
Citations
736
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Recent Articles
1.
Liu Y, Ray Jr W, Baranidharan S
Acta Crystallogr D Biol Crystallogr
. 1997 Jul;
53(Pt 4):392-405.
PMID: 15299905
Data between 6.0 and 2.4 A resolution, collected at 253 K, wer used to refine a revised atomic model of muscle phosphoglucomutase: final crystallographic R factor = 16.3% (Rfree =...
2.
Ray Jr W, Baranidharan S, Liu Y
Acta Crystallogr D Biol Crystallogr
. 1997 Jul;
53(Pt 4):385-91.
PMID: 15299904
A continuous procedure for replacing the 2 M (NH(4))(2)SO(4) within crystals of rabbit muscle phosphoglucomutase by 55% polyethylene glycol 600 (PEG 600) is described. The success rate (absence of fracturing)...
3.
Post C, Ray Jr W
Biochemistry
. 1995 Dec;
34(49):15881-5.
PMID: 8519743
It has been argued that a substrate-induced conformational change involving the orientation of catalytic groups cannot affect the specificity for two substrates in an enzymatic system where the chemical step...
4.
Zlotnick A, Reddy V, Dasgupta R, Schneemann A, Ray Jr W, Rueckert R, et al.
J Biol Chem
. 1994 May;
269(18):13680-4.
PMID: 8175803
Maturation of noninfectious nodavirus provirions occurs by autoproteolytic cleavage of most of the 180 copies of the alpha-protein that make up the icosahedral capsid. This maturation, which is much slower...
5.
Deng H, Ray Jr W, Burgner 2nd J, Callender R
Biochemistry
. 1993 Dec;
32(48):12984-92.
PMID: 8241152
The symmetric stretching frequency of the P-O bonds of the enzymic phosphate group in muscle phosphoglucomutase was measured via 16O/18O Raman difference spectroscopy. This frequency, and its shift on isotopic...
6.
Ray Jr W, Burgner 2nd J, Deng H, Callender R
Biochemistry
. 1993 Dec;
32(48):12977-83.
PMID: 8241151
The chemical bonding within structurally related phosphates and vanadates in aqueous solution is compared on the basis of vibrational frequencies obtained by classical Raman spectroscopy. To do this, an empirical...
7.
Ray Jr W, Post C, Liu Y, Rhyu G
Biochemistry
. 1993 Jan;
32(1):48-57.
PMID: 8418859
An electron density map of the reactive, Cd2+ form of crystalline phosphoglucomutase from X-ray diffraction studies shows that the enzymic phosphate donates a nonbridging oxygen to the ligand sphere of...
8.
Ray Jr W, Post C, Puvathingal J
Biochemistry
. 1993 Jan;
32(1):38-47.
PMID: 8418857
The phospho form of phosphoglucomutase reacts with the isosteric methylenephosphonate analog of alpha-D-glucose 1-phosphate to produce the corresponding analog of alpha-D-glucose 1,6-bisphosphate plus the dephosphoenzyme. In a coupled reaction, kcat/Km...
9.
Ray Jr W
Proteins
. 1992 Oct;
14(2):300-8.
PMID: 1409576
Although rabbit muscle phosphoglucomutase occasionally deposits tetragonal crystals from solutions of ammonium sulfate at about 47% of saturation, low concentrations of polyethylene glycol-400 (PEG), 1 to 4.5% w/v, must be...
10.
Dai J, Liu Y, Ray Jr W, Konno M
J Biol Chem
. 1992 Apr;
267(9):6322-37.
PMID: 1532581
A model of rabbit muscle phosphoglucomutase was refined at 2.7-A resolution by using two heavy atom derivatives for initial phasing and standard refinement procedures, including molecular replacement averaging about a...