Photochemistry at the active site of the carbon monoxide inhibited form of the iron-only hydrogenase (CpI) [12]

Journal of the American Chemical Society

Volumn 122, Issue 15, 2000, Pages 3793-3794

  Lemon, Brian J ^a   Peters, John W ^a  

^a UTAH STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CARBON MONOXIDE; HYDROGENASE; IRON;

ENZYME ACTIVE SITE; ENZYME INHIBITION; ENZYME KINETICS; ILLUMINATION; LETTER; OXIDATION; PHOTOCHEMISTRY; PHOTOLYSIS; STEREOCHEMISTRY;

EID: 0034685468     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja9943703     Document Type: Letter

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16. merge of 5.5%. Model fitting and refinement were accomplished using the programs O [Jones, T. A.; Zou, J. Y.; Cowan, S. W.; Kjeldgaard, M. Acta Crystallogr. A 1991, 47, 110-9] and XPLOR [Brünger, A. T.; Kuriyan, J.; Karplus, M. Science 1987, 235, 458-460].
17. merge of 5.5%. Model fitting and refinement were accomplished using the programs O [Jones, T. A.; Zou, J. Y.; Cowan, S. W.; Kjeldgaard, M. Acta Crystallogr. A 1991, 47, 110-9] and XPLOR [Brünger, A. T.; Kuriyan, J.; Karplus, M. Science 1987, 235, 458-460].
18. merge of 5.5%. Model fitting and refinement were accomplished using the programs O [Jones, T. A.; Zou, J. Y.; Cowan, S. W.; Kjeldgaard, M. Acta Crystallogr. A 1991, 47, 110-9] and XPLOR [Brünger, A. T.; Kuriyan, J.; Karplus, M. Science 1987, 235, 458-460].
19. merge of 5.5%. Model fitting and refinement were accomplished using the programs O [Jones, T. A.; Zou, J. Y.; Cowan, S. W.; Kjeldgaard, M. Acta Crystallogr. A 1991, 47, 110-9] and XPLOR [Brünger, A. T.; Kuriyan, J.; Karplus, M. Science 1987, 235, 458-460].
20. merge of 5.5%. Model fitting and refinement were accomplished using the programs O [Jones, T. A.; Zou, J. Y.; Cowan, S. W.; Kjeldgaard, M. Acta Crystallogr. A 1991, 47, 110-9] and XPLOR [Brünger, A. T.; Kuriyan, J.; Karplus, M. Science 1987, 235, 458-460].
21. free value of 26.4 with relative mean standard deviation from ideality for the bond angles and bond distances of 2.40° and 0.014 Å, respectively. Both structures have the same solvent structure with 711 water molecules and have an overall rms deviation of 0.02 Å for corresponding Ca atoms. The refined B-factor for an O modeled in the photolyzed model is 25.0 and the refined B-factors for CO modeled in the photolyzed model are 20.1 for C and 32.1 for O.
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