Coenzyme F430 from Methanogenic Bacteria: Detection of a Paramagnetic Methylnickel(II) Derivative of the Pentamethyl Ester by2H-NMR Spectroscopy

1991 ◽  
Vol 74 (8) ◽  
pp. 1725-1738 ◽  
Author(s):  
Shu-Kun Lin ◽  
Bernhard Jaun
1991 ◽  
Vol 74 (4) ◽  
pp. 697-716 ◽  
Author(s):  
Gerald Färber ◽  
Walter Keller ◽  
Christoph Kratky ◽  
Berhard Jaun ◽  
Andreas Pfaltz ◽  
...  

1985 ◽  
Vol 232 (1) ◽  
pp. 281-284 ◽  
Author(s):  
G P Diakun ◽  
B Piggott ◽  
H J Tinton ◽  
D Ankel-Fuchs ◽  
R K Thauer

Coenzyme F430 is a nickel porphinoid found in all methanogenic bacteria. Extended-X-ray-absorption-fine-structure (e.x.a.f.s.) spectra have been recorded above the nickel K-edge of coenzyme F430 and two model compounds, (5,10,15,20-tetramethylporphinato) nickel(II) and (5,10,15,20-tetramethylchlorinato)-nickel(II). The results show that the four nickel-nitrogen distances in F430 are split, with two nitrogen atoms at 0.192 nm and two at 0.210 nm.


Biochemistry ◽  
1989 ◽  
Vol 28 (26) ◽  
pp. 10061-10065 ◽  
Author(s):  
Ute E. Krone ◽  
Kerstin Laufer ◽  
Rudolf K. Thauer ◽  
Harry P. C. Hogenkamp

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