An X-ray absorption spectroscopic structural investigation of the nickel site in Escherichia coli NikA protein

被引:13
作者
Allan, CB
Wu, LF
Gu, ZJ
Choudhury, SB
Al-Mjeni, F
Sharma, ML
Mandrand-Berthelot, MA
Maroney, MJ
机构
[1] Univ Massachusetts, Dept Chem, Lederle Grad Res Ctr, Dept Chem, Amherst, MA 01003 USA
[2] Inst Natl Sci Appl, Lab Genet Mol Microorganismes, CNRS URA 1486, F-69621 Villeurbanne, France
关键词
D O I
10.1021/ic980407t
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The results of an X-ray absorption spectroscopic study of the structure of the Ni site in the periplasmic Ni-binding protein NikA are presented. These studies demonstrate that the Ni site is 6 or 7-coordinate, with the ligand environment composed of 6 or 7 O- or N-donor ligands with bonds averaging 2.06(2) Angstrom in length. Unlike UreE, another Ni-binding protein, the Ni ligands in NikA are not largely imidazole ligands from histidine residues but are more likely derived from aspartate and glutamate carboxylate side chains.
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页码:5952 / +
页数:5
相关论文
共 42 条
  • [1] NICKEL HYDROGENASES - IN SEARCH OF THE ACTIVE-SITE
    ALBRACHT, SPJ
    [J]. BIOCHIMICA ET BIOPHYSICA ACTA-BIOENERGETICS, 1994, 1188 (03): : 167 - 204
  • [2] AN X-RAY-ABSORPTION SPECTROSCOPIC STUDY OF NICKEL REDOX CHEMISTRY IN HYDROGENASE
    BAGYINKA, C
    WHITEHEAD, JP
    MARONEY, MJ
    [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1993, 115 (09) : 3576 - 3585
  • [3] CRYSTALLIZATION AND PRELIMINARY-X-RAY DIFFRACTION STUDY OF THE NICKEL-BINDING PROTEIN NIKA OF ESCHERICHIA-COLI
    CHARON, MH
    WU, LF
    PIRAS, C
    DEPINA, K
    MANDRANDBERTHELOT, MA
    FONTECILLACAMPS, JC
    [J]. JOURNAL OF MOLECULAR BIOLOGY, 1994, 243 (02) : 353 - 355
  • [4] X-RAY SPECTROSCOPIC STUDIES OF NICKEL-COMPLEXES, WITH APPLICATION TO THE STRUCTURE OF NICKEL SITES IN HYDROGENASES
    COLPAS, GJ
    MARONEY, MJ
    BAGYINKA, C
    KUMAR, M
    WILLIS, WS
    SUIB, SL
    BAIDYA, N
    MASCHARAK, PK
    [J]. INORGANIC CHEMISTRY, 1991, 30 (05) : 920 - 928
  • [5] COTTON FA, 1988, ADV INORG CHEM RAD, P741
  • [6] DEPINA K, 1995, EUR J BIOCHEM, V227, P857
  • [7] JACK-BEAN UREASE (EC 3.5.1.5) - METALLOENZYME - SIMPLE BIOLOGICAL ROLE FOR NICKEL
    DIXON, NE
    GAZZOLA, C
    BLAKELEY, RL
    ZERNER, B
    [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1975, 97 (14) : 4131 - 4133
  • [8] Eidsness M. K., 1988, BIOINORGANIC CHEM NI, P73
  • [9] Crystal structure of methyl coenzyme M reductase: The key enzyme of biological methane formation
    Ermler, U
    Grabarse, W
    Shima, S
    Goubeaud, M
    Thauer, RK
    [J]. SCIENCE, 1997, 278 (5342) : 1457 - 1462
  • [10] EXAFS STUDIES OF NICKEL(II) AND NICKEL(I) FACTOR-430M - CONFORMATIONAL FLEXIBILITY OF THE F430 SKELETON
    FURENLID, LR
    RENNER, MW
    FAJER, J
    [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1990, 112 (24) : 8987 - 8989