This doctoral thesis uses computational methods like density functional theory and molecular dynamics simulations to study the structural and functional role of cytochrome P450 enzymes. It investigates the metabolism of various substrates by CYP3A4 and CYP450 enzymes to understand reaction pathways and influence of substrate structure on reactivity. Specific reactions studied include hydroxylation of phenyl rings, morpholine rings, and camphor. Flexibility studies using the RIGIX program also examined how the protein environment modulates electronic structure and reactivity. The research provides new insights into CYP450 catalysis at the molecular level and could aid in drug design.
Comparison of the structures and vibrational modes of carboxybiotin and n car...John Clarkson
J. Clarkson & P.R. Carey, "Comparison of the Structures and Vibrational Modes of Carboxybiotin and N-Carboxy-2-imidazolidone" J. Phys. Chem. A, 103, 2851-2856, 1999.
Magnetic Fe3O4@MgAl–LDH composite grafted with cobalt phthalocyanine as an ef...Pawan Kumar
Magnetically separable layered double hydroxide MgAl–LDH@Fe3O4 composite supported cobalt
phthalocyanine catalyst was synthesized and used for the aerobic oxidation of mercaptans to corresponding
disulfides under alkali free conditions. The catalyst exhibited excellent activity for the oxidation of
mercaptans using molecular oxygen as an oxidant which can be effectively recovered by using an external
magnetic field. In addition, the covalent immobilization of cobalt phthalocyanine to MgAl–LDH@Fe3O4
support prevents the leaching of the catalyst and improves its activity and stability
synthesis and characterization of hydrazone ligand and their metal complexesMUBASHIRA M
This slide mainly contain the synthesis, characterization of a few hydrazine based heterocyclic ligand such as hydralazone and phenyl hydralazone and also their metal complexes. so in this work, my aim is to synthesise the ligands; 2-thiophenecarboxylaldehydehydralazone and 2,3-butanedionephenylhydrazone. also to characterized the synthesised hydrazones by different physiochemical techniques.
Comparison of the structures and vibrational modes of carboxybiotin and n car...John Clarkson
J. Clarkson & P.R. Carey, "Comparison of the Structures and Vibrational Modes of Carboxybiotin and N-Carboxy-2-imidazolidone" J. Phys. Chem. A, 103, 2851-2856, 1999.
Magnetic Fe3O4@MgAl–LDH composite grafted with cobalt phthalocyanine as an ef...Pawan Kumar
Magnetically separable layered double hydroxide MgAl–LDH@Fe3O4 composite supported cobalt
phthalocyanine catalyst was synthesized and used for the aerobic oxidation of mercaptans to corresponding
disulfides under alkali free conditions. The catalyst exhibited excellent activity for the oxidation of
mercaptans using molecular oxygen as an oxidant which can be effectively recovered by using an external
magnetic field. In addition, the covalent immobilization of cobalt phthalocyanine to MgAl–LDH@Fe3O4
support prevents the leaching of the catalyst and improves its activity and stability
synthesis and characterization of hydrazone ligand and their metal complexesMUBASHIRA M
This slide mainly contain the synthesis, characterization of a few hydrazine based heterocyclic ligand such as hydralazone and phenyl hydralazone and also their metal complexes. so in this work, my aim is to synthesise the ligands; 2-thiophenecarboxylaldehydehydralazone and 2,3-butanedionephenylhydrazone. also to characterized the synthesised hydrazones by different physiochemical techniques.
IOSR Journal of Applied Chemistry (IOSR-JAC) is an open access international journal that provides rapid publication (within a month) of articles in all areas of applied chemistry and its applications. The journal welcomes publications of high quality papers on theoretical developments and practical applications in Chemical Science. Original research papers, state-of-the-art reviews, and high quality technical notes are invited for publications.
The project will focus on synthesis of hexagonal structured pure phases of compositions: BaM1/3Ti2/3O3-δ and BaM1/6Ti5/6O3-δ, where M= Sc, In and Fe via different methods such as Solid state sintering and wet chemical route. The ultimate goal is to finding structure – functionality relationships within these proton and mixed conducting systems. A substantial effort will focus on search for and fabrication of new materials although the main part of the work will concentrate on detailed structural characterisation (rietveld refinement), impedance spectroscopy, infrared spectroscopy and thermogravimetric analysis.
Synthesis and Application of C-Phenylcalix[4]resorcinarene in Adsorption of C...Jacsonline.Org
Synthesis and Application of C-Phenylcalix[4]resorcinarene in Adsorption of Cr(III) and Pb(II), for more information visit our website http://jacsonline.org/
Совместная статья с проф. Коттоном про статистическое разупорядочение фрагментов в кластерных соединениях (первое соединение с разупорядочением и по катиону и по аниону)
New Schiff base ligand (E)-6-(2-(4-
(dimethylamino)benzylideneamino)-2-phenylacetamido)-3,3-
dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic
acid = (HL) Figure(1) was prepared via condensation of
Ampicillin and 4(dimethylamino)benzaldehyde in methanol
.Polydentate mixed ligand complexes were obtained from 1:1:2
molar ratio reactions with metal ions and HL, 2NA on reaction
with MCl2 .nH2O salt yields complexes corresponding to the
formulas [M(L)(NA)2Cl] ,where M =
Fe(II),Co(II),Ni(II),Cu(II),and Zn(II) and NA=nicotinamide.
The 1H-NMR, FT-IR, UV-Vis and elemental analysis
were used for the characterization of the ligand. The complexes
were structurally studied through AAS, FT-IR, UV-Vis,
chloride contents, conductance, and magnetic susceptibility
measurements. All complexes are non-electrolytes in DMSO
solution. Octahedral geometries have been suggested for each
of the complexes. The Schiff base ligands function as
tridentates and the deprotonated enolic form is preferred for
coordination. In order to evaluate the effect of the bactericidal
activity, these synthesized complexes, in comparison to the un
complexed Schiff base has been screened against bacterial
species, Staphy
Deciphering reaction mechanism with intermediate trappingDaniel Morton
This module provides an overview of a tool used to gain information on a reaction mechanism; reactive intermediate trapping.
A reactive intermediate is a short-lived, high-energy, highly reactive molecule. When generated in a chemical reaction, it will quickly convert into a more stable molecule. When their existence is indicated, reactive intermediates can help explain how a chemical reaction takes place.
Contributed by:
Shuangyu Ma & Yiling Bi (Undergraduate Students)
University of Utah
2014
Synthesis and Crystal Structure of Anickel (II) and Zinc (II) Complex From 1,...IOSRJAC
:The title mononuclear nickel and zinc complexes, Ni(C11H9N4S3)2andZn(C11H9N4S3)2 .2(C3H7NO), were prepared by the reaction of Nickel(II) or Zinc(II)acetate with 1,5-bis[(2- thiophenyl)methylidene]thiocarbonohydrazide in a methanol solution. It features mono-deprotonated bisbidentate ligands, which coordinate to metal (II) ions by hydrazylN and thiocarbony lS atoms, yielding a tetracoordinated metal ions complexes. In Ni(II) complex the geometry around the metal ion is described as square planar. In the Zn(II) the metal atom shows severely tetrahedral distortion from anideal square-planar coordination geometry, as reflected by the dihedral angle between ZnN2and ZnS2 planes of 73.03(13)°. Two intramolecular hydrogen bonds are observed between the solvate dmf molecules and the coordinated ligands:N2—H2N…O1i and N6—H6N…O2 ii in this complex
Computational and Experimental Studies of MTO Catalyzed Olefin HydrogenationKaram Idrees
The poster that I presented at the 253rd American Chemical Society National Meeting and Exposition in San Francisco,
CA. It highlights some of my REU research at North Carolina State University under the mentorship of Dr. Elon Ison.
IOSR Journal of Applied Chemistry (IOSR-JAC) is an open access international journal that provides rapid publication (within a month) of articles in all areas of applied chemistry and its applications. The journal welcomes publications of high quality papers on theoretical developments and practical applications in Chemical Science. Original research papers, state-of-the-art reviews, and high quality technical notes are invited for publications.
The project will focus on synthesis of hexagonal structured pure phases of compositions: BaM1/3Ti2/3O3-δ and BaM1/6Ti5/6O3-δ, where M= Sc, In and Fe via different methods such as Solid state sintering and wet chemical route. The ultimate goal is to finding structure – functionality relationships within these proton and mixed conducting systems. A substantial effort will focus on search for and fabrication of new materials although the main part of the work will concentrate on detailed structural characterisation (rietveld refinement), impedance spectroscopy, infrared spectroscopy and thermogravimetric analysis.
Synthesis and Application of C-Phenylcalix[4]resorcinarene in Adsorption of C...Jacsonline.Org
Synthesis and Application of C-Phenylcalix[4]resorcinarene in Adsorption of Cr(III) and Pb(II), for more information visit our website http://jacsonline.org/
Совместная статья с проф. Коттоном про статистическое разупорядочение фрагментов в кластерных соединениях (первое соединение с разупорядочением и по катиону и по аниону)
New Schiff base ligand (E)-6-(2-(4-
(dimethylamino)benzylideneamino)-2-phenylacetamido)-3,3-
dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic
acid = (HL) Figure(1) was prepared via condensation of
Ampicillin and 4(dimethylamino)benzaldehyde in methanol
.Polydentate mixed ligand complexes were obtained from 1:1:2
molar ratio reactions with metal ions and HL, 2NA on reaction
with MCl2 .nH2O salt yields complexes corresponding to the
formulas [M(L)(NA)2Cl] ,where M =
Fe(II),Co(II),Ni(II),Cu(II),and Zn(II) and NA=nicotinamide.
The 1H-NMR, FT-IR, UV-Vis and elemental analysis
were used for the characterization of the ligand. The complexes
were structurally studied through AAS, FT-IR, UV-Vis,
chloride contents, conductance, and magnetic susceptibility
measurements. All complexes are non-electrolytes in DMSO
solution. Octahedral geometries have been suggested for each
of the complexes. The Schiff base ligands function as
tridentates and the deprotonated enolic form is preferred for
coordination. In order to evaluate the effect of the bactericidal
activity, these synthesized complexes, in comparison to the un
complexed Schiff base has been screened against bacterial
species, Staphy
Deciphering reaction mechanism with intermediate trappingDaniel Morton
This module provides an overview of a tool used to gain information on a reaction mechanism; reactive intermediate trapping.
A reactive intermediate is a short-lived, high-energy, highly reactive molecule. When generated in a chemical reaction, it will quickly convert into a more stable molecule. When their existence is indicated, reactive intermediates can help explain how a chemical reaction takes place.
Contributed by:
Shuangyu Ma & Yiling Bi (Undergraduate Students)
University of Utah
2014
Synthesis and Crystal Structure of Anickel (II) and Zinc (II) Complex From 1,...IOSRJAC
:The title mononuclear nickel and zinc complexes, Ni(C11H9N4S3)2andZn(C11H9N4S3)2 .2(C3H7NO), were prepared by the reaction of Nickel(II) or Zinc(II)acetate with 1,5-bis[(2- thiophenyl)methylidene]thiocarbonohydrazide in a methanol solution. It features mono-deprotonated bisbidentate ligands, which coordinate to metal (II) ions by hydrazylN and thiocarbony lS atoms, yielding a tetracoordinated metal ions complexes. In Ni(II) complex the geometry around the metal ion is described as square planar. In the Zn(II) the metal atom shows severely tetrahedral distortion from anideal square-planar coordination geometry, as reflected by the dihedral angle between ZnN2and ZnS2 planes of 73.03(13)°. Two intramolecular hydrogen bonds are observed between the solvate dmf molecules and the coordinated ligands:N2—H2N…O1i and N6—H6N…O2 ii in this complex
Computational and Experimental Studies of MTO Catalyzed Olefin HydrogenationKaram Idrees
The poster that I presented at the 253rd American Chemical Society National Meeting and Exposition in San Francisco,
CA. It highlights some of my REU research at North Carolina State University under the mentorship of Dr. Elon Ison.
Mannich Synthesis Under Ionic Liquid [Et3NH][HSO4] CatalysisIOSRJAC
Ionic liquid [Et3NH][HSO4] was found to be a particularly efficient catalyst for the synthesis of β- amino carbonyl pyrimidines through the Mannich condensation reaction of substituted pyrimidin-2(1H)-ones, cyclohexanone and 4-fluro/chlorobenzaldehyde under ultrasonic irradiation at room temperature. The present methodology offers several advantages such as excellent yields, simple procedure and mild conditions.
Raman study of the polarizing forces promoting catalysis in 4 chlorbenzoyl-co...John Clarkson
J. Clarkson, P.J. Touge, K.L. Taylor, D. Dunaway-Mariano & P.R. Carey, “Raman Study of the Polarizing Forces Promoting Catalysis in 4-Chlorbenzoyl-CoA Dehalogenase”, Biochemistry, 36, 10192-10199, 1997.
RAPID IODINATION OF THE ISOMERS OF AMINOBENZOIC ACID IN AQUEOUS MEDIUM BY IOD...EDITOR IJCRCPS
The rapid kinetics of the iodination of para-aminobenzoic acid and meta-aminobenzoic acid by iodine monochloride at 4.5 pH has
been studied by employing hydrodynamic voltammetry. The reactions were found to be of the second order and the specific
reaction rates for the two reactions were found to be 25 M-1s-1 and 10 M-1s-1 at 25.00C respectively. These data were
complemented with those for the iodination of ortho-aminobenzoic acid by ICl obtained earlier to quantitatively assess the relative
reactivity of the three isomers stemming from substituent regiospecificity.
Keywords: Iodine monochloride, hydrodynamic voltammetry, aminobenzoic acid isomers.
Mechanistic Aspects of Oxidation of P-Bromoacetophen one by Hexacyanoferrate ...IJERA Editor
The kinetics of oxidation of p-bromoacetophenone by hexacyanoferrate (III) has been studied in alkaline
medium. The order of reaction with respect of both acetophenone and hexacynoferrate (III) has been found to be
unity. The rate of reaction increases with increase in the concentration of sodium hydroxide.On addition of
neutral KCl, reaction rate increases. The effects of solvent and temperature have been also studied. The product
p-bromophenyl glyoxal have been characterized by IR studies.
Mechanism of the Reaction of Plasma Albumin with Formaldehyde in Ethanol - Wa...IOSR Journals
The Spectrophotometric determination of the acid dissociation/ionisation constant (pKa) of plasma albumin-formaldehyde adduct in both water solution and Ethanol solutions was carried out in this study. The pKa values obtained in both media were used to establish the Bronsted-linear type constants from plots of pKa against logarithm of second order rate constants obtained at varying pHs in the study. The result of the pKa values obtained in both water solution and ethanol-water mixtures were found to be in the range of 5.0 - 8.0. This pointed to the fact that only lysine residue with pKa value 8.3 that might have possibly reacted with formaldehyde in this reaction of all the known amino acid residues in plasma albumin. The corresponding Brønsted-type plots proportionality constants (β) for the reaction in water and ethanol-water mixtures were found to be β = 0.059 and 0.0057 respectively. The reaction mechanisms that have low values for proportionality constants α or β are considered to have a transition state closely resembling the reactant with little proton transfer (Cox et al, 1988). Thus, one would suggest that the cross-linking of formaldehyde with plasma albumin in water and ethanol-water mixtures proceeds through little proton transfer
Selective Cellobiose Photoreforming for Simultaneous Gluconic Acid and Syngas...Pawan Kumar
Here, we demonstrate the selective cellobiose (building block of cellulose) photoreforming for gluconic acid and syngas co-production in acidic conditions by rationally designing a bifunctional polymeric carbon nitride (CN) with potassium/sulfur co-dopant. This heteroatomic doped CN photocatalyst possesses enhanced visible light absorption, higher charge separation efficiency than pristine CN. Under acidic conditions, cellobiose is not only more efficiently hydrolyzed into glucose but also promotes the syngas and gluconic acid production. Density functional theory (DFT) calculations reveal the favorable generation of •O2− during the photocatalytic reaction, which is essential for gluconic acid production. Consequently, the fine-designed photocatalyst presents excellent cellobiose conversion (>80%) and gluconic acid selectivity (>70%) together with the co-production of syngas (~56 μmol g-1 h-1) under light illumination. The current work demonstrates the feasibility of biomass photoreforming with value-added chemicals and syngas co-production under mild condition.
Undergraduate Laboratory Development: Finding Cost-Effective Catalysts for th...Logan Fenimore
-Developed an undergraduate organic or inorganic chemistry laboratory experiment to showcase the catalytic coupling reaction between waste carbon dioxide and epoxides to yield value-added cyclic carbonate materials
-Focused on maximizing the reaction yield and reducing experiment costs by employing bimetallic salen complexes and zinc octoate in the catalytic system
-Aided in the optimization of system conditions of coupling reaction in simple polypropylene centrifuge tubes and synthesis of bimetallic aluminum salen catalyst
-Presented poster named "Undergraduate Laboratory Development: Finding Cost-Effective Catalysts for the Coupling of Epoxides and CO2" at the 257th American Chemical Society (ACS) National Meeting & Exposition in Orlando, FL
This is the PowerPoint presentation by extracting data from a research article. This is the title of article" Augmented CO2 tolerance by expressing a single H+-pump enables microalgal valorization of industrial flue gas" published in nature communications. You can download it and ask me to provide you this article as well.
2. Hydroxylation reaction of substrate I occurs through electrophilic attack of the phenyl ring to form
a o complex. It is concluded that during the (rcomplex formation, the morpholine N donates its
lone pair of electron. Without loosing the 1 .39
aromaticity this compound forms a strongly
bound (rcomplex (Fig. 1), it results in lowering of
the energy barrier for the crcomplex formation.
Thus, enhancing or suppressing the drug
metabolism should concentrate on this fragment.
Two types of (rcomplexes were found. A
perpendicular crcomplex, which undergoes
further rearrangement to produce a
proton-shuttle intermediate and leads to the
formation of the alcohol or the ketone products.
While the parallel crcomplex leads solely to a
ketone product. Based on DFT and by
considering protein environment from MD
results, it was found that phenyl ring remains
perpendicular to the porphyrin plane. The
alcohol formation as the major product was
confirmed.
The hydroxylation reaction at the
morpholine ring of substrate I and its difluoro
analogue,
"> "" "I
*
''=.
1
1 '33
lr)
13:t;;:lllL_381;4'"'1;51'110a1 42
1 l39¥
1 '48 o
l
. I ,9122
Fe
si9ma comptex
Figure 1. Proposed mechanism
formation of (rcomplex. Distances are in
the unit of A.
R 1'38
:F 214ltl
;:3;¥¥11:3:1'41=)t'¥¥18/rl]1'41¥H 153'4o
o
ll 1'66
Fe
weakty bound complex
J
V(::6
R
11:3;:.::i:!4::'--38j;30g¥
)
I 2 36 179 2
.,)H i L '
o
118
l 1'8
Fe
Transition state
for the
(S) - N- [ I - (4-fluoro- 3 -morpholin-4-yl phenyDethyl] - 3- (4-fluoro phenyD acryl amide
(substrate 2), were investigated using DFT and MD methods. Experimental evidence found that
the CYP3A4 enzyme metabolizes substrate I while the substrate 2 was devoid of metabolism. The
aim was to find out the reason behind the structurally closely related compounds but different
reactivity towards CYP. The energy barrier for the hydroxylation of substrate I was found to be
7.01 kcal/mol and 19.53 kcal/mol in gas phase and solvent phase, respectively. Similarly, the energy
barrier for substrate 2 was found to be 11.07
kcal/mol in gas phase while it increases negligibly
in the COSMO phase up to the value of 12.99
kcalfmol. The energy barrier for morpholine oeC
hydroxylation was higher than the phenyl ring
hydroxylation in substrate 1. It confirmed that
aliphatic hydroxylation occurs at higher energy
barrier as compared to arene hydroxylation. Based
on results of chapter 3 and 4, it is confirmed that
metabolism site on phenyl position is preferred over
morpholine and hence alcohol is the major product.
Results are consistent with experimental finding.
) )
" P i
Hl[l
-Fe -
l
IS
CYP
Figure 2.
C-N bond
ste p .
H20
(L¥NH2 O
lO-H
H
_ -
I
IS
Water-assisted cleavage of
in the rate-determining
The details of the biodegradation reaction of morpholine by CYP were studied in detail for
the first time using theoretical method. Morpholine is a simple heterocyclic compound with a great
- 140 -
;
i・ ,:
=ij
i} t;
,
*; ;
".;**==:=i
" i
;
i.;
;;
; i>
,+
*
'; :,;{i;;;{:{};i
* ,; i
{ *・ ,.
,*
3. industrial importance and biodegradation of morpholine has not emerged so far. Using DFT, the
hydroxylation reaction on morpholine by CYP studied in two electronic states, the doublet and the
quartet state. The hydroxylation reaction barrierless for the doublet state, while in the quartet
state, the reaction occurs in two steps, hydrogen abstraction and rebound mechanism. In the
subsequent step, the intramolecular hydrogen transfer occurs through hydroxyl (O-H) group to
nitrogen of the hydroxymorpholine group leading to the formation of
2-(2-aminoethoxy)acetaldehyde. The energy barrier for the C・N bond breaking is 24.45 kcal/mol (in
COSMO 26.73 kcal/moD in the doublet state while it is 32.20 kcal/mol (34.51 kcal/moD in the
quartet state. Finally, in an attempt to reduce the energy barrier for C-N bond breaking step, a
water molecule is introduced in the reaction pathway (Fig. 2). It was found that water mediated
reaction greatly enhances the reaction by reducing the height of the energy barrier.
The stereoselective and regioselective
,
hydroxylation of camphor leading to the formation of / o-c5.5
c* , " '.o x .*o
5-exo-hydroxycamphor was studied using the 110 fs
5 - F*oV1
New Ryudo CR program. The methodology in 4.5 t '・ Q c'.",.""" ,
New-Ryudo-CR is combination of molecular <..,p 3.5
dynamics method and chemical reaction function. S!3
It was used to observe the bond breaking and 2.5
bond formation process during the dynamic 1.s ¥ v _-v -- --*
movement of the protein. Hydroxylation of I -
camphor occurs in two steps, the hydrogen o 200 400 600 800 IoooTime (ts)
abstraction and rebound mechanism. The Figure 3. Graph of change of O-C and Fe-O
hydrogen abstraction and radical recombination distance with respect to time.
in camphor occurs at 250 fs and 110 fs (Fig. 3),
respectively. Experimental results indicate that radical recombination occurs at 70-100 fs, hence
results are comparable with experimental results. In addition rate of reaction was calculated for
the rate-determining step (hydrogen abstraction). Calculated rate of reaction is of the value of 0.64
s'l which is also close to the experimental value of - I s'l. Hence New-Ryudo-CR is successfully
applied to study the CYP enzyme catalyzed reaction and also the validation was carried out with
experimental results.
In order to study the role of CYP enzyme on ligand binding, rigidity and flexibility of CYP
wa studied. New methodology based on graph
theoretical approach in RIGIX program has been
applied to several protein-protein and protein-ligand
complexes. Results were compared with MD result.
After successful validation of method for several
protein complexes, it was applied to study the role of
flexibility in CYP. After analysis of the substrate 1
and CYP3A4 complex using RIGIX, it was found that
the substrate I was surrounded by rigid amino acids,
which restrict movement of ligand and overall effect
that C4 site of phenyl ring become accessible for
j
Figure 4. CYP3A4 complexed with
substrate 1. Rigid residues are shown
with dark color and flexible residues
are shown with light gray.
- 141 -
4. .***;
metabolism (Fig. 4). Good correlation was found between Flex index obtained from RIGIX and the
experimental B・factor. Several other applications were shown, where the CYP changes
conformation after ligand binding and CYP-CYP binding.
Structural and functional role of CYP was studied using theoretical methods. CYP
catalyzed reaction has been studied using DFT method assisted with molecular mechanical
methods. Metabolism of KCNQ2 potassium channel opener was investigated. It has been found
that the electron donating ortho substituent on arene ring facilitates the rate-determining step by
donating the lone pair of N. Subsequent investigation confirmed the alcohol as the major produet
in this reaction. Further studies were carried out to show the biodegradation pathway for
morpholine, one of the environmentally hazardous compound. The first step of reaction was
hydroxylation. The second step was breaking of C-N bond to form 2-(2-aminoethoxy)acetaldehyde.
The cleavage of C-N bond was found to be rate-determining step. Water-mediated breakdown of
C-N bond lowers the energy barrier of the rate-determining step . In order to study the reaction in
protein environment, new methodology developed in our laboratory was applied to study the
hydroxylation reaction. The time required to break and form the bond, rate of reaction was
evaluated. To consider the structural effect on CYP during ligand binding and on metabolism
reaction, flexibility studies was carried out using RIGIX program. Unique combination of approach
has been applied to study this important enzyme catalyzed reaction. Effect of substituent on
reaction, detailed analysis of how the protein environment affects and modulates the electronic
structure, stability, and reactivity of the species in the CYP were clarified by studying the
functional and structural properties. It opens the door for further researches, which can be carried
out on thermodynamical aspects, involvement of reductase protein and electron transport system
in CYP.
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