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1

Stability of immobilized soybean lipoxygenases: influence of coupling conditions on the ionization state of the active site Fe

A.C. Chikere, B. Galunsky, V. Schünemann, V. Kasche

Journal:

Enzyme and Microbial Technology

Year:

2001

Language:

english

File:

PDF, 311 KB

english, 2001

2

Enzymic synthesis design and enzymic synthesis of aspartame

Ivanka B. Stoineva, Boris P. Galunsky, Valentin S. Lozanov, Ivailo P. Ivanov, Dimiter D. Petkov

Journal:

Year:

1992

Language:

english

File:

PDF, 403 KB

english, 1992

3

Penicillin amidase-catalysed transfer of low specific acyl moiety. Synthesis of 7-benzoxazolonylacetamido desacetoxycephalosporanic acid

N. Stambolieva, Z. Mincheva, B. Galunsky, V. Kalcheva

Journal:

Enzyme and Microbial Technology

Year:

1992

Language:

english

File:

PDF, 358 KB

english, 1992

4

The dependency of the stereoselectivity of penicillin amidases-enzymes with R-specific S1- and S-specific S′1-subsites- on temperature and primary structure

V. Kasche, B. Galunsky, A. Nurk, E. Piotraschke, A. Rieks

Journal:

Biotechnology Letters

Year:

1996

Language:

english

File:

PDF, 452 KB

english, 1996

5

Genetic construction of catalytically active cross-species heterodimer penicillin G amidase

Elke Piotraschke, Allan Nurk, Boris Galunsky, Volker Kasche

Journal:

Biotechnology Letters

Year:

1994

Language:

english

File:

PDF, 452 KB

english, 1994

6

Determination of the Enantioselectivity for Kinetically Controlled Condensations Catalysed by Amidases and Peptidases

Boris Galunsky, Volker Kasche

Journal:

Advanced Synthesis & Catalysis

Year:

2002

Language:

english

File:

PDF, 97 KB

english, 2002

7

Sunflower Seed Aminopeptidase-Catalyzed Hydrolysis of Phe-Xaa Dipeptides — Exploring the S1′ Specificity of the Enzyme

Kiril Tishinov, Nikolina Stambolieva, Peter Nedkov, Boris Galunsky

Journal:

Journal of Plant Biochemistry and Biotechnology

Year:

2009

Language:

english

File:

PDF, 83 KB

english, 2009

8

Kinetic Comparison of Penicillin Amidase Catalysed Transfer of Nonspecific and Specific Acyl Moieties to 7-Aminodeacetoxycephalosporanic Acid

Stambolieva, N., Mincheva, Z., Galunsky, B.

Journal:

Biocatalysis and Biotransformation

Year:

1998

Language:

english

File:

PDF, 408 KB

english, 1998

9

Mass transfer induced interchange of the kinetic and thermodynamic control of enzymic peptide synthesis in biphasic water-organic systems

A. Nadim, I. B. Stoineva, B. Galunsky, V. Kasche, D. D. Petkov

Journal:

Biotechnology Techniques

Year:

1992

Language:

english

File:

PDF, 317 KB

english, 1992

10

Book review

Journal:

Applied Biochemistry and Biotechnology

Year:

1999

Language:

english

File:

PDF, 35 KB

english, 1999

11

ImprovedA. faecalisPenicillin Amidase Mutant Retains the Thermodynamic and pH Stability of the Wild Type Enzyme

Ruslan Yuryev, Volker Kasche, Zoya Ignatova, Boris Galunsky

Journal:

The Protein Journal

Year:

2010

Language:

english

File:

PDF, 271 KB

english, 2010

12

Enzyme catalyzed biotransformations in aqueous two-phase systems with precipitated substrate and/or product

V. Kasche, B. Galunsky

Journal:

Biotechnology and Bioengineering

Year:

1995

Language:

english

File:

PDF, 685 KB

english, 1995

13

Resolution in high-performance liquid affinity chromatography : Dependence on eluite diffusion into the stationary phase

V. Kasche, K. Buchholz, B. Galunsky

Journal:

Journal of Chromatography A

Year:

1981

Language:

english

File:

PDF, 400 KB

english, 1981

14

Penicillin amidase-catalysed preparative synthesis of cephem - 7- (2-benzoxazolon-3-yl-acetamido)-desacetoxycephalosporanic acid using a non-specific polyethyleneglycol-modified acyl donor

Z. Mincheva, N. Stambolieva, K. Petrova, B. Galunsky

Journal:

Biotechnology Techniques

Year:

1996

Language:

english

File:

PDF, 306 KB

english, 1996

15

Binding of organic solvent molecules influences the P1′−P2′ stereo-and sequence-specificity of α-chymotrypsin in kinetically controlled peptide synthesis

V. Kasche, G. Michaelis, B. Galunsky

Journal:

Biotechnology Letters

Year:

1991

Language:

english

File:

PDF, 408 KB

english, 1991

16

A highly enantioselective aminopeptidase from sunflower seed—Kinetic studies, substrate mapping and application to biocatalytic transformations

Kiril Tishinov, Stanislav Bayryamov, Peter Nedkov, Nikolina Stambolieva, Boris Galunsky

Journal:

Journal of Molecular Catalysis B: Enzymatic

Year:

2009

Language:

english

File:

PDF, 275 KB

english, 2009

17

Penicillin Amidase from E. coli : Enzyme Heterogeneity and Stability

VOLKER KASCHE, URSULA HAUFLER, DIETER MARKOWSKY, SILKE MELNYK, ANNEGRET ZEICH, BORIS GALUNSKY

Journal:

Annals of the New York Academy of Sciences

Year:

1987

Language:

english

File:

PDF, 329 KB

english, 1987

18

Application of Mixed-Mode Oasis MCX Adsorbent for Chromatographic Separation of Selenomethionine from Antarctic Krill After Enzymatic Digestion

Mariana Siwek, Amir Bari Noubar, Robert Erdmann, Bernd Niemeyer, Boris Galunsky

Journal:

Chromatographia

Year:

2008

Language:

english

File:

PDF, 268 KB

english, 2008

19

Activity and stability of immobilised soybean lipoxygenase-1 in aqueous and supercritical carbon dioxide media

A.C. Chikere, B. Galunsky, A. Overmeyer, G. Brunner, V. Kasche

Journal:

Biotechnology Letters

Year:

2000

Language:

english

File:

PDF, 73 KB

english, 2000

20

Direct Spectrophotometric Measurement of Enzyme Activity in Heterogeneous Systems with Insoluble Substrate or Immobilized Enzyme

B. Galunsky, R.C. Schlothauer, B. Bockle, V. Kasche

Journal:

Analytical Biochemistry

Year:

1994

File:

PDF, 195 KB

1994

21

pH dependence of penicillin amidase enantioselectivity for charged substrates

Karsten Lummer, André Rieks, Boris Galunsky, Volker Kasche

Journal:

Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology

Year:

1999

Language:

english

File:

PDF, 261 KB

english, 1999

22

Ionic strength and pH effects in the kinetically controlled synthesis of benzylpenicillin by nucleophilic deacylation of pree and immobilized phenyl-acetyl-penicillin amidase with 6-aminopenicillanic acid

V. Kasche, B. Galunsky

Journal:

Biochemical and Biophysical Research Communications

Year:

1982

Language:

english

File:

PDF, 439 KB

english, 1982

23

Umsetzung von phosphororganischen CH-aciden Verbindungen mit Schiffschen Basen in Gegenwart saurer und alkalischer katalysatoren, VIII. Reaktionsfähigkeit von Estern der 2-Thienylmethanphosphonsäure und deren Carbanionen

Marko Kirilov, Jordanka Petrova, Snezhana Momchilova, Boris Galunski

Journal:

European Journal of Inorganic Chemistry

Year:

1976

File:

PDF, 534 KB

1976

24

Enhancement of enzymatic digestion of Antarctic krill and successive extraction of selenium organic compounds by ultrasound treatment

Mariana Siwek, Amir Bari Noubar, Jan Bergmann, Bernd Niemeyer, Boris Galunsky

Journal:

Analytical and Bioanalytical Chemistry

Year:

2006

Language:

english

File:

PDF, 184 KB

english, 2006

25

ChemInform Abstract: REACTION OF ORGANOPHOSPHORUS METHYLIDYNE-ACIDIC COMPOUNDS WITH SCHIFF BASES IN THE PRESENCE OF ACID AND ALKALINE CATALYSTS, VIII. REACTIVITY OF ESTERS OF 2-THIENYLMETHANEPHOSPHONIC ACID AND THEIR CARBANIONS

KIRILOV, MARKO, PETROVA, JORDANKA, MOMCHILOVA, SNEZHANA, GALUNSKI, BORIS

Journal:

Chemischer Informationsdienst

Year:

1976

File:

PDF, 241 KB

1976

26

Fragments of pro-peptide activate mature penicillin amidase of Alcaligenes faecalis

Volker Kasche, Boris Galunsky, Zoya Ignatova

Journal:

Year:

2003

Language:

english

File:

PDF, 291 KB

english, 2003

27

Proteolytic processing of penicillin amidase from Alcaligenes faecalis cloned in E. coli yields several active forms

Z. Ignatova, S. Stoeva, B. Galunsky, C. Hörnle, A. Nurk, E. Piotraschke, W. Voelter, V. Kasche

Journal:

Biotechnology Letters

Year:

1998

Language:

english

File:

PDF, 302 KB

english, 1998

28

Phenylacetyl group as enzyme-cleavable aminoprotection of purine nucleosides

M.A. Dineva, B. Galunsky, V. Kasche, D.D. Petkov

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

1993

Language:

english

File:

PDF, 247 KB

english, 1993

29

Do N-terminal nucleophile hydrolases indeed have a single amino acid catalytic center? : Supporting amino acid residues at the active site of penicillin G acylase

Diana Zhiryakova, Ivaylo Ivanov, Sonya Ilieva, Maya Guncheva, Boris Galunsky, Nicolina Stambolieva

Journal:

Year:

2009

Language:

english

File:

PDF, 508 KB

english, 2009

30

Temperature effects on S1- and S1′-enantioselectivity of α-chymotrypsin

B. Galunsky, S. Ignatova, V. Kasche

Journal:

Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology

Year:

1997

Language:

english

File:

PDF, 156 KB

english, 1997

31

Comparative Study of Substrate- and Stereospecificity of Penicillin G Amidases from Different Sources and Hybrid Isoenzymes

Boris Galunsky, Karsten Lummer, Volker Kasche

Journal:

Monatshefte für Chemie - Chemical Monthly

Year:

2000

Language:

english

File:

PDF, 137 KB

english, 2000

32

ChemInform Abstract: REACTION OF ORGANOPHOSPHORUS METHYLIDYNE-ACIDIC COMPOUNDS WITH SCHIFF BASES IN THE PRESENCE OF ACID AND ALKALINE CATALYSTS, VIII. REACTIVITY OF ESTERS OF 2-THIENYLMETHANEPHOSPHONIC ACID AND THEIR CARBANIONS

KIRILOV, MARKO, PETROVA, JORDANKA, MOMCHILOVA, SNEZHANA, GALUNSKI, BORIS

Journal:

Chemischer Informationsdienst

Year:

1976

File:

PDF, 241 KB

1976

33

Isolation of selenium organic species from antarctic krill after enzymatic hydrolysis

Mariana Siwek, Boris Galunsky, Bernd Niemeyer

Journal:

Analytical and Bioanalytical Chemistry

Year:

2005

Language:

english

File:

PDF, 252 KB

english, 2005

34

Purification and characterization of the sunflower seed (Helianthus annuusL.) major aminopeptidase

Kiril Tishinov, Nikolina Stambolieva, Svetla Petrova, Boris Galunsky, Peter Nedkov

Journal:

Acta Physiologiae Plantarum

Year:

2009

Language:

english

File:

PDF, 221 KB

english, 2009

35

Kinetic studies and molecular modelling attribute a crucial role in the specificity and stereoselectivity of penicillin acylase to the pair ArgA145-ArgB263

Maya Guncheva, Ivaylo Ivanov, Boris Galunsky, Nicolina Stambolieva, Jose Kaneti

Journal:

Year:

2004

Language:

english

File:

PDF, 363 KB

english, 2004

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