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Volumn 126, Issue 43, 2004, Pages 14239-14248

Carbon monoxide as an intrinsic ligand to iron in the active site of the iron-sulfur-cluster-free hydrogenase H2-forming methylenetetrahydromethanopterin dehydrogenase as revealed by infrared spectroscopy

Author keywords

[No Author keywords available]

Indexed keywords

ENZYMES; FOURIER TRANSFORM INFRARED SPECTROSCOPY; FREQUENCIES; INFRARED SPECTROSCOPY;

EID: 7444269837     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja046818s     Document Type: Article
Times cited : (177)

References (52)
  • 29
    • 7444241223 scopus 로고    scopus 로고
    • note
    • 4MPT. To test the possibility of contamination with [NiFe]-hydrogenase, we determined the rest exchange activity under air using the purified [NiFe]-hydrogenase Mvh from M. marburgensis as a control. Whereas the rest exchange activity of Hmd was only slightly decreased (10%) in the presence of molecular oxygen, the exchange activity of the [NiFe]-hydrogenase was completely blocked under these conditions. Furthermore, we showed that the rest exchange activity of Hmd was light sensitive, a property not exhibited by [NiFe]-hydrogenases. It therefore has to be seriously considered that the rest exchange activity of Hmd is an intrinsic property of the enzyme, which would be of great importance for mechanistic considerations.
  • 38
    • 0003791868 scopus 로고
    • Riordan. J. F., Vallee, B. L., Eds.; Academic Press: New York
    • Fish, W. W. In Methods in Enzymology; Riordan. J. F., Vallee, B. L., Eds.; Academic Press: New York, 1988; Vol. 158.
    • (1988) Methods in Enzymology , vol.158
    • Fish, W.W.1
  • 43
    • 7444258879 scopus 로고    scopus 로고
    • note
    • + was extrapolated to be approximately 1% CO [0.01 mM CO] at room temperature.
  • 48
    • 0003845833 scopus 로고
    • Elsevier: Amsterdam, The Netherlands
    • Liquide, L. A. Gas Encyclopaedia; Elsevier: Amsterdam, The Netherlands, 1976.
    • (1976) Gas Encyclopaedia
    • Liquide, L.A.1
  • 51
    • 7444261742 scopus 로고    scopus 로고
    • note
    • 3 and its CO adduct, is also difficult to imagine in such an environment.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.