General acid-promoted hydrolysis of phosphate ester in [ZnII(bnp)(tpa)](ClO4) (tpa = tris(2-pyridylmethyl)amine, bnp = bis(p-nitro-phenyl) phosphate); plausible functional model for P1 nuclease

Chemistry Letters

Volumn , Issue 6, 2002, Pages 594-595

  Ito, Masami ^a   Fujita, Koyu ^a   Chitose, Fumiaki ^a   Takeuchi, Takashi ^a   Yoshida, Kazuaki ^a   Takita, Yu Saku ^a  

^a OITA UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

BIS(4 NITROPHENYL) PHOSPHATE; NUCLEASE; ORGANOPHOSPHATE; PHOSPHATE; PYRIDINE DERIVATIVE; TRIS(2 PYRIDYLMETHYL)AMINE; UNCLASSIFIED DRUG; ZINC COMPLEX;

ACIDITY; AQUEOUS SOLUTION; ARTICLE; CHEMICAL STRUCTURE; HYDROLYSIS; PH;

EID: 0036331496     PISSN: 03667022     EISSN: None     Source Type: Journal    
DOI: 10.1246/cl.2002.594     Document Type: Article

References (16)

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9. 2 was confirmed by Crystallography. M. Ito, unpublished results.
10. 2 was confirmed by Crystallography. M. Ito, unpublished results.
11. py).
12. -1. The R(Rw) value is 7.0 (10.4)% for 5547 reflections (3° < 2θ < 55°, Fo > 3σ(Fo)). The X-ray data collection was carried out at room temperature. The structure was solved direct methods (SIR92) and the non-hydrogen atoms were refined anisotropically. Hydrogen atoms were included but not refined. Crystallographic data (excluding structure factors) for the structure reported in this paper have been deposited with The Cambridge Crystallographic Data Centre as supplementary publication no. CCDC-155611. Copies of the data can be obtained free of charge on application to CCDC, 12 Union Road, Cambridge CB21EZ, UK (fax:(+44) 1223-336-0331; e-mail:deposit@ccdc.cam.ac.uk).
13. II(tpa) species is dominant in every pH condition. See; N. N. Murthy, and K. D. Karlin, J. C. S. Chem. Commun., 1993, 1236.
14. E. Martell and R. J. Montekaitis, "Determination and Use of Stability Constants," 2nd ed., VCH, New York (1992).
15. 2+) was 0.92.
16. -1) was obtained at pH 5.6.