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Probing the role of the bridging C509 between the [Fe4S4] cubane and the [Ni(p)Ni(d)] centre in the A-cluster of acetyl-coenzyme A synthase.
Liu, Yi; Zhu, Xiaofei; Wang, Feng; Ying, Tianlei; Li, Pingwei; Huang, Zhong-Xian; Tan, Xiangshi.
Chem Commun (Camb) ; 47(4): 1291-3, 2011 Jan 28.
Article in English | MEDLINE | ID: mdl-21103478

ABSTRACT

The A-cluster of acetyl-coenzyme A synthase consists of an [Fe(4)S(4)] cubane bridged to a [Ni(p)Ni(d)] centre via C509 cysteinate. The bridging cysteinate, which could be substituted by histidine imidazole, mediates "communication" between the [Fe(4)S(4)] cubane and the [Ni(p)Ni(d)] centre during the synthesis of acetyl-coenzyme A.


Subject(s)
Coenzyme A Ligases/chemistry , Ferrous Compounds/chemistry , Nickel/chemistry , Amino Acid Substitution , Binding Sites , Coenzyme A Ligases/genetics , Coenzyme A Ligases/metabolism , Cysteine/chemistry , Kinetics , Protein Structure, Tertiary
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