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1

Steroidumwandelnde Enzyme aus Mikroorganismen II. Reinigung einer 3-Oxosteroid: (2,6-Dichlorphenolindophenol) Δ1-Oxidoreduktase aus Nocardia opaca mit Hilfe der Affinitätschromatographie

Dr. C. Hörhold, P. Atrat, V. Deppmeyer, A. Gabert, Ch. Flemming, K. Schubert

Journal:

Journal of Basic Microbiology

Year:

1976

Language:

german

File:

PDF, 169 KB

german, 1976

2

Steroidumwandelnde Enzyme aus Mikroorganismen IX. Affinitätschromatographische Präparation und Untersuchung des Apoenzyms einer 4-En-3-oxosteroid: (Akzeptor)-1-en-oxidoreduktase aus Nocardia opaca

Dr. P. Atrat, V. Deppmeyer, C. Hórhold, L. Móller

Journal:

Journal of Basic Microbiology

Year:

1979

File:

PDF, 300 KB

1979

3

Steroidumwandelnde Enzyme aus Mikroorganismen X. Anreicherung einer 4-En-3-oxosteroid-5α-Reduktase aus Mycobacterium smegmatis sowie Abtrennung und Anreicherung des Apoenzyms mit Hilfe der Affinitätschromatographie

Dr. P. Atrat, V. Deppmeyer, H. Groh, C. Hörhold

Journal:

Journal of Basic Microbiology

Year:

1979

File:

PDF, 337 KB

1979

4

Steroidumwandelnde Enzyme aus Mikroorganismen XI. Reversibilität der Dehydrierungsreaktion der Steroid-1-Dehydrogenase aus Nocardia opaca

Dr. H. Groh, R. Komel, V. Deppmeyer, P. Atrat, C. Hörhold

Journal:

Journal of Basic Microbiology

Year:

1979

File:

PDF, 517 KB

1979

5

Steroidtransformation mit immobilisierten Mikroorganismen. I. Transformation von Cholesterin zu Cholestenon in organischen Lösungsmitteln

Dr. P. Atrat, E. Hüller, C. Hörhold

Journal:

Journal of Basic Microbiology

Year:

1980

Language:

german

File:

PDF, 406 KB

german, 1980

6

Steroidtransformation mit immobilisierten Mikroorganismen. II. Abbau der Seitenkette von Cholesterol mit immobilisierten Zellen von Nocardia erythropolis

Dr. P. Atrat, E. Hüller, M. J. Buchar, A. Y. Arinbasarova, K. A. Koschtschejenko

Journal:

Journal of Basic Microbiology

Year:

1980

File:

PDF, 633 KB

1980

7

Steroidtransformation mit immobilisierten Mikroorganismen. III. Abbau der Seitenkette von Cholesterolderivaten mit immobilisierten Zellen von Mycobacterium phlei und M. smegmatis

Dr. P. Atrat, C. Hörhold, M. J. Buchar, K. A. Koschtschejenko

Journal:

Journal of Basic Microbiology

Year:

1980

File:

PDF, 374 KB

1980

8

Steroidtransformation with immobilized microorganisms VI. The reverse reaction of steroid-1-dehydrogenases from different micoorganisms in immobilized state

Dr. P. Atrat, H. Groh

Journal:

Journal of Basic Microbiology

Year:

1981

Language:

english

File:

PDF, 287 KB

english, 1981

9

Steroidumwandlung mit immobilisierten Mikroorganismen

Journal:

Journal of Basic Microbiology

Year:

1982

File:

PDF, 2.34 MB

1982

10

H. Iizuka and A. Naito, Microbial Conversion of Steroids and Alkaloids. XI. 396 S. Tokyo, Berlin-Heidelberg-New York. 1981. University of Tokyo Press-Springer-Verlag, $ 44.60

Journal:

Journal of Basic Microbiology

Year:

1983

Language:

german

File:

PDF, 106 KB

german, 1983

11

Steroid-1-dehydrogenases in nocardioform bacteria studied by electrophoresis and immuno blotting techniques

G. Kaufmann, G. Schumann, L. Wollweber, E. Hüller, Dr. P. Atrat

Journal:

Journal of Basic Microbiology

Year:

1990

Language:

english

File:

PDF, 558 KB

english, 1990

12

Interactions of Mycobacterium fortuitum with solid sterol substrate particles

Dr. sc. P. Atrat, P. Hösel, W. Richter, H. W. Meyer, C. Hörhold

Journal:

Journal of Basic Microbiology

Year:

1991

Language:

english

File:

PDF, 733 KB

english, 1991

13

Localization of the steroid 1-dehydrogenase in Rhodococcus erythropolis IMET 7030 by immunoelectron microscopy

B. Wagner, P. G. Atrat, J. E. Clark-Curtiss, Dr. M. Wagner

Journal:

Journal of Basic Microbiology

Year:

1992

Language:

english

File:

PDF, 994 KB

english, 1992

14

Application of newly synthesized detergents in the side chain degradation of plant sterols by Mycobacterium fortuitum

Dr. sc. P. G. Atrat, B. Koch, B. Szekalla, C. Hörhold-Schubert

Journal:

Journal of Basic Microbiology

Year:

1992

Language:

english

File:

PDF, 618 KB

english, 1992

15

Overexpression of a Rhodococcus erythropolis protein in Escherichia coli with immunological identity to the Rhodococcus steroid 1-dehydrogenase. Immunoelectron microscopic localization and electrophoretic studies

Dr. rer. nat. habil. Manfred Wagner, Peter G. Atrat, Barbara Wagner, Vera Hanemann, Josephine E. Clark-Curtiss

Journal:

Journal of Basic Microbiology

Year:

1992

Language:

english

File:

PDF, 1.51 MB

english, 1992

16

Influence of the physiological state on the electric field mediated transformation efficiency of intact mycobacterial cells

Ulrich Katenkamp, Peter Atrat, Elke Hüller

Journal:

Journal of Electroanalytical Chemistry and Interfacial Electrochemistry

Year:

1991

Language:

english

File:

PDF, 699 KB

english, 1991

17

Influence of the physiological state on the electric field mediated transformation efficiency of intact mycobacterial cells

Ulrich Katenkamp, Peter Atrat, Elke Hüller

Journal:

Bioelectrochemistry and Bioenergetics

Year:

1991

Language:

english

File:

PDF, 560 KB

english, 1991

18

Efficient purification of a microbial steroid-1-dehydrogenase by electrophoretic desorption from the affinity matrix on a preparative scale

P. Atrat, V. Deppmeyer, C. Hörhold

Journal:

Journal of Chromatography A

Year:

1980

Language:

english

File:

PDF, 385 KB

english, 1980

19

Steroid modification with immobilized mycelium ofAspergillus phoenicis

M. N. Kim, F. Ergan, P. Dhulster, P. Atrat, G. Gellf, D. Thomas

Journal:

Biotechnology Letters

Year:

1982

Language:

english

File:

PDF, 340 KB

english, 1982

20

Biospecific affinity chromatography of microbial steroid transforming enzymes

P. Atrat, V. Deppmeyer, C. Hörhold, K. Schubert

Journal:

Journal of Steroid Biochemistry

Year:

1977

Language:

english

File:

PDF, 151 KB

english, 1977

21

Steroidumwandelnde enzyme aus mikroorganismen VI.—Reinigung einer 4-En-3-oxosteroid: (Akzeptor)-1-En-oxidoreduktase aus Nocardia opaca durch affinitätschromatographie

P. Atrat, V. Deppmeyer, A. Gabert, Ch. Flemming, C. Hörhold

Journal:

Journal of Steroid Biochemistry

Year:

1977

File:

PDF, 716 KB

1977

22

Steroidumwandelnde enzyme aus mikro-organismen—VIII. Einfluβ organischer lösungsmittel unterschiedlicher hydrophobizität auf die bindung an der affinitätsmatrix-affinitätschromatographie einer 4-en-3-oxo-steroid: (akzeptor)-1-en-oxidoreduktase aus Nocardia opaca

P. Atrat, V. Deppmeyer, C. Hörhold, L. Möller, R. Knöll

Journal:

Journal of Steroid Biochemistry

Year:

1978

File:

PDF, 360 KB

1978

23

Steroidumwandelnde enzyme aus mikroorganismen—VII. Untersuchungen zur natur der biospezifischen bindung an der affinitätsmatrix—affinitätschromatographie einer 4-en-3-oxo-steroid: (Akzeptor)-1-en-oxidoreduktase aus Nocardia opaca

Technische Assistenz: R. Knöll und L. Möller, P. Atrat, V. Deppmeyer, C. Hörhold

Journal:

Journal of Steroid Biochemistry

Year:

1978

File:

PDF, 426 KB

1978

24

Steroid transformation with immobilized microorganisms

P. Atrat, E. Hüller, C. Hörhold

Journal:

Applied Microbiology and Biotechnology

Year:

1981

Language:

english

File:

PDF, 325 KB

english, 1981

25

Localization of the cholesterol oxidase in Rhodococcus erythropolis IMET 7185 studied by immunoelectron microscopy

P. Atrat, B. Wagner, M. Wagner, G. Schumann

Journal:

The Journal of Steroid Biochemistry and Molecular Biology

Year:

1992

Language:

english

File:

PDF, 2.53 MB

english, 1992

26

Steroid-1-dehydrogenase of Rhodococcus erythropolis: Purification and N-terminal amino acid sequence

Kaufmann, Günter, Thole, Hubert, Kraft, Regine, Atrat, Peter

Journal:

The Journal of Steroid Biochemistry and Molecular Biology

Year:

1992

Language:

english

File:

PDF, 617 KB

english, 1992

27

Microbial Membrane Electrode for the Determination of Cholesterol

Wollenberger, U., Scheller, F., Atrat, P.

Journal:

Analytical Letters

Year:

1980

Language:

english

File:

PDF, 397 KB

english, 1980

28

Microbial Membrane Electrode for Steroid Assay

Wollemberger, U., Scheller, F., Atrat, P.

Journal:

Analytical Letters

Year:

1980

Language:

english

File:

PDF, 481 KB

english, 1980