Tilt/asymmetry in nitrosyl metalloporphyrin complexes: The cobalt case

被引：60

作者：

Ellison, MK

Scheidt, WR ^{[1
]}

机构：

[1] Univ Notre Dame, Dept Chem, Notre Dame, IN 46556 USA

[2] Univ Notre Dame, Dept Biochem, Notre Dame, IN 46556 USA

来源：

INORGANIC CHEMISTRY | 1998年 / 37卷 / 03期

关键词：

D O I：

10.1021/ic971109j

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The high-resolution crystal structure for [Co(OEP)(NO)] shows that the axial Co-N(NO) vector is tilted from the normal to the porphyrin plane. The off-axis tilt is correlated with an asymmetry in the equatorial Co-N-p bond distances.

引用

页码：382 / +

页数：3

共 38 条

[1] PERTURBATIONS OF THE DISTAL HEME POCKET IN HUMAN MYOGLOBIN MUTANTS PROBED BY INFRARED-SPECTROSCOPY OF BOUND CO - CORRELATION WITH LIGAND-BINDING KINETICS [J].

BALASUBRAMANIAN, S ;

LAMBRIGHT, DG ;

BOXER, SG .

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1993, 90 (10) :4718-4722

[2]

Bohle D. S., 1997, J CHEM SOC CHEM COMM, P91

[3] LIGAND-PROMOTED RAPID NITRIC-OXIDE DISSOCIATION FROM FERROUS PORPHYRIN NITROSYLS [J].

BOHLE, DS ;

HUNG, CH .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1995, 117 (37) :9584-9585

[4] LIGAND-BINDING TO HEME-PROTEINS .3. FTIR STUDIES OF HIS-E7 AND VAL-E11 MUTANTS OF CARBONMONOXYMYOGLOBIN [J].

BRAUNSTEIN, DP ;

CHU, K ;

EGEBERG, KD ;

FRAUENFELDER, H ;

MOURANT, JR ;

NIENHAUS, GU ;

ORMOS, P ;

SLIGAR, SG ;

SPRINGER, BA ;

YOUNG, RD .

BIOPHYSICAL JOURNAL, 1993, 65 (06) :2447-2454

[5] NEUTRON-DIFFRACTION STUDY OF CARBONMONOXYMYOGLOBIN [J].

CHENG, XD ;

SCHOENBORN, BP .

JOURNAL OF MOLECULAR BIOLOGY, 1991, 220 (02) :381-399

[6] Demonstration of the role of scission of the proximal histidine-iron bond in the activation of soluble guanylyl cyclase through metalloporphyrin substitution studies [J].

Dierks, EA ;

Hu, SZ ;

Vogel, KM ;

Yu, AE ;

Spiro, TG ;

Burstyn, JN .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1997, 119 (31) :7316-7323

[7] Structural distortion in five-coordinate nitrosyl iron porphyrins. Axial ligand tilting and its effect on equatorial geometry [J].

Ellison, MK ;

Scheidt, WR .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1997, 119 (31) :7404-7405

[8] COBALT(II) NITROSYL CATION RADICALS OF PORPHYRINS, CHLORINS, AND ISOBACTERIOCHLORINS - MODELS FOR NITRITE AND SULFITE REDUCTASES AND IMPLICATIONS FOR A1U HEME RADICALS [J].

FUJITA, E ;

CHANG, CK ;

FAJER, J .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1985, 107 (25) :7665-7669

[9] Carbonyl tilting and bending potential energy surface of carbon monoxyhemes [J].

Ghosh, A ;

Bocian, DF .

JOURNAL OF PHYSICAL CHEMISTRY, 1996, 100 (16) :6363-6367

[10] SWINGING OF THE BENT NITROSYL LIGAND IN [CO((NO)-N-15)(TPP)] - A SOLID-STATE MOTION DETECTED BY N-15 CPMAS NMR-SPECTROSCOPY [J].

GROOMBRIDGE, CJ ;

LARKWORTHY, LF ;

MASON, J .

INORGANIC CHEMISTRY, 1993, 32 (04) :379-380

← 1 2 3 4 →