W H Orme-Johnson
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Explore the profile of W H Orme-Johnson including associated specialties, affiliations and a list of published articles.
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122
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Recent Articles
1.
McLean P, True A, Nelson M, Lee H, Hoffman B, Orme-Johnson W
J Inorg Biochem
. 2003 Jan;
93(1-2):18-32.
PMID: 12538049
We report the use of electron nuclear double resonance (ENDOR) spectroscopy to examine how the metal sites in the FeMo-cofactor cluster of the resting nitrogenase MoFe protein respond to addition...
2.
Asakura H, Selengut J, Orme-Johnson W, Dretler S
J Urol
. 1998 Mar;
159(4):1384-9.
PMID: 9507889
Purpose: To use light microscopy to observe the urease-induced growth of struvite crystals in real-time, and to compare the effects of various proteins on that growth. Materials And Methods: Artificial...
3.
Prior J, Christie P, Murray R, Orme-Johnson W, Cooney C
Biotechnol Bioeng
. 1995 Aug;
47(3):373-83.
PMID: 18623412
This study evaluated the feasibility of monitoring nitro-genase activity in situ through measurement of N(2) uptake rate (NUR) using off-gas mass spectrometry. Four 50-L cultures of Azotobacter vinelandii were grown...
4.
Miao E, Joardar S, Zuo C, Cloutier N, Nagahisa A, Byon C, et al.
Biochemistry
. 1995 Jul;
34(26):8415-21.
PMID: 7599132
(20S)-22-thiacholesterol (1) is found to be a potent competitive inhibitor of pregnenolone biosynthesis from cholesterol by purified reconstituted bovine adrenal cytochrome P-450scc. The apparent dissociation constant Kd, determined from difference...
5.
Bennett J, Dretler S, Selengut J, Orme-Johnson W
J Endourol
. 1994 Apr;
8(2):95-8.
PMID: 8061680
The identification of calcium-binding proteins in urine and kidney stones has led to a closer look at the role of matrix proteins in urolithiasis. We analyzed five struvite stones for...
6.
Merritt E, Stout G, Turley S, Sieker L, Jehsen L, Orme-Johnson W
Acta Crystallogr D Biol Crystallogr
. 1993 Mar;
49(Pt 2):272-81.
PMID: 15299532
Ferredoxin I from Azotobacter vinelandii (AvFdI) is an iron-sulfur protein composed of 106 amino acids, seven Fe atoms and eight inorganic S* atoms. A crystallographic redetermination of its structure showed...
7.
White T, Harris G, Orme-Johnson W
J Biol Chem
. 1992 Nov;
267(33):24007-16.
PMID: 1429737
The electrophoretic properties of the molybdenum-iron (MoFe) protein component of nitrogenase and an iron-molybdenum cofactor (FeMoco)-reactivatable apoMoFe protein from Klebsiella pneumoniae were examined under anaerobic ([O2] < 5 ppm), nondenaturing...
8.
9.
Miller A, Orme-Johnson W
J Biol Chem
. 1992 May;
267(13):9398-408.
PMID: 1577767
Nitrogenase contains approximately 38 iron ions/complete unit. Therefore, we sought to identify steps and genes involved in nitrogenase production that are responsive to iron availability. We have characterized nitrogenase production...
10.
SooHoo C, Hollocher T, Kolodziej A, Orme-Johnson W, Bunker G
J Biol Chem
. 1991 Feb;
266(4):2210-8.
PMID: 1846618
The copper centers of nitrous oxide reductase from Pseudomonas aeruginosa strain P2 were studied by x-ray and electron paramagnetic resonance (EPR) spectroscopy. The enzyme is dimeric and contains four Cu...