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Mammalian gonadotropin-releasing hormone (GnRH) identified by primary structure in Russian sturgeon, Acipenser gueldenstaedti

Identifieur interne : 000598 ( PascalFrancis/Curation ); précédent : 000597; suivant : 000599

Mammalian gonadotropin-releasing hormone (GnRH) identified by primary structure in Russian sturgeon, Acipenser gueldenstaedti

Auteurs : D. W. Lescheid [Canada] ; J. F. F. Powell [Canada] ; W. H. Fischer ; M. Park ; A. Craig ; O. Bukovskaya ; I. A. Barannikova ; N. M. Sherwood [Canada]

Source :

RBID : Pascal:95-0193486

Descripteurs français

English descriptors

Abstract

The mammalian form of gonadotropin-releasing hormone (GnRH) was purified from the brains of Russian sturgeon, Acipenser gueldenstaedti, using reversed-phase high pressure liquid chromatography (HPLC). The total concentration of mGnRH within these fish was 5.4 ng/brain. Small amounts of immunoreactive chicken GnRH-II like molecules were also detected but at insufficient quantities for purification. The primary structure of mGnRH was determined using automated Edman degradation. Because sequence data could not be obtained until after digestion by bovine pyroglutamyl aminopeptidase, it was determined that the amino-terminal residue was modified. Furthermore, mass spectrometric data and co-elution with synthetic mGnRH on HPLC confirmed that the carboxy-terminal residue was amidated. The amino acid sequence of sturgeon GnRH is pGlu-His-Trp-Ser-Tyr-Gly-Leu-Arg-Pro-Gly-NH2
pA  
A01 01  1    @0 0167-0115
A02 01      @0 REPPDY
A03   1    @0 Regul. pept.
A05       @2 55
A06       @2 3
A08 01  1  ENG  @1 Mammalian gonadotropin-releasing hormone (GnRH) identified by primary structure in Russian sturgeon, Acipenser gueldenstaedti
A11 01  1    @1 LESCHEID (D. W.)
A11 02  1    @1 POWELL (J. F. F.)
A11 03  1    @1 FISCHER (W. H.)
A11 04  1    @1 PARK (M.)
A11 05  1    @1 CRAIG (A.)
A11 06  1    @1 BUKOVSKAYA (O.)
A11 07  1    @1 BARANNIKOVA (I. A.)
A11 08  1    @1 SHERWOOD (N. M.)
A14 01      @1 Univ. Victoria, dep. biology @2 Victoria BC V8W 2Y2 @3 CAN @Z 1 aut. @Z 2 aut. @Z 8 aut.
A20       @1 299-309
A21       @1 1995
A23 01      @0 ENG
A43 01      @1 INIST @2 18854 @5 354000059289330090
A44       @0 0000
A45       @0 50 ref.
A47 01  1    @0 95-0193486
A60       @1 P
A61       @0 A
A64 01  1    @0 Regulatory peptides
A66 01      @0 NLD
C01 01    ENG  @0 The mammalian form of gonadotropin-releasing hormone (GnRH) was purified from the brains of Russian sturgeon, Acipenser gueldenstaedti, using reversed-phase high pressure liquid chromatography (HPLC). The total concentration of mGnRH within these fish was 5.4 ng/brain. Small amounts of immunoreactive chicken GnRH-II like molecules were also detected but at insufficient quantities for purification. The primary structure of mGnRH was determined using automated Edman degradation. Because sequence data could not be obtained until after digestion by bovine pyroglutamyl aminopeptidase, it was determined that the amino-terminal residue was modified. Furthermore, mass spectrometric data and co-elution with synthetic mGnRH on HPLC confirmed that the carboxy-terminal residue was amidated. The amino acid sequence of sturgeon GnRH is pGlu-His-Trp-Ser-Tyr-Gly-Leu-Arg-Pro-Gly-NH2
C02 01  X    @0 002A02D02
C03 01  X  FRE  @0 Gonadotrophine RH @5 01
C03 01  X  ENG  @0 Gonadotropin RH @5 01
C03 01  X  SPA  @0 Gonadotropina RH @5 01
C03 02  X  FRE  @0 Purification @5 02
C03 02  X  ENG  @0 Purification @5 02
C03 02  X  SPA  @0 Purificación @5 02
C03 03  X  FRE  @0 Séquence aminoacide @5 03
C03 03  X  ENG  @0 Aminoacid sequence @5 03
C03 03  X  SPA  @0 Secuencia aminoácido @5 03
C03 04  X  FRE  @0 Evolution biologique @5 04
C03 04  X  ENG  @0 Biological evolution @5 04
C03 04  X  SPA  @0 Evolución biológica @5 04
C03 05  X  FRE  @0 Acipenser gueldenstaedti @2 NS @4 INC @5 64
C07 01  X  FRE  @0 Milieu marin @5 16
C07 01  X  ENG  @0 Marine environment @5 16
C07 01  X  GER  @0 Meerumwelt @5 16
C07 01  X  SPA  @0 Medio marino @5 16
C07 02  X  FRE  @0 Neuropeptide @5 17
C07 02  X  ENG  @0 Neuropeptide @5 17
C07 02  X  SPA  @0 Neuropéptido @5 17
C07 03  X  FRE  @0 Hormone hypothalamique @5 18
C07 03  X  ENG  @0 Hypothalamic hormone @5 18
C07 03  X  SPA  @0 Hormona hipotalámica @5 18
C07 04  X  FRE  @0 Pisces @2 NS @5 29
C07 04  X  ENG  @0 Pisces @2 NS @5 29
C07 04  X  SPA  @0 Pisces @2 NS @5 29
C07 05  X  FRE  @0 Vertebrata @2 NS
C07 05  X  ENG  @0 Vertebrata @2 NS
C07 05  X  SPA  @0 Vertebrata @2 NS
C07 06  X  FRE  @0 Acipenseridae @2 NS @4 INC @5 71
N21       @1 116

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Pascal:95-0193486

Le document en format XML

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<term>Gonadotrophine RH</term>
<term>Purification</term>
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<div type="abstract" xml:lang="en">The mammalian form of gonadotropin-releasing hormone (GnRH) was purified from the brains of Russian sturgeon, Acipenser gueldenstaedti, using reversed-phase high pressure liquid chromatography (HPLC). The total concentration of mGnRH within these fish was 5.4 ng/brain. Small amounts of immunoreactive chicken GnRH-II like molecules were also detected but at insufficient quantities for purification. The primary structure of mGnRH was determined using automated Edman degradation. Because sequence data could not be obtained until after digestion by bovine pyroglutamyl aminopeptidase, it was determined that the amino-terminal residue was modified. Furthermore, mass spectrometric data and co-elution with synthetic mGnRH on HPLC confirmed that the carboxy-terminal residue was amidated. The amino acid sequence of sturgeon GnRH is pGlu-His-Trp-Ser-Tyr-Gly-Leu-Arg-Pro-Gly-NH
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<s0>The mammalian form of gonadotropin-releasing hormone (GnRH) was purified from the brains of Russian sturgeon, Acipenser gueldenstaedti, using reversed-phase high pressure liquid chromatography (HPLC). The total concentration of mGnRH within these fish was 5.4 ng/brain. Small amounts of immunoreactive chicken GnRH-II like molecules were also detected but at insufficient quantities for purification. The primary structure of mGnRH was determined using automated Edman degradation. Because sequence data could not be obtained until after digestion by bovine pyroglutamyl aminopeptidase, it was determined that the amino-terminal residue was modified. Furthermore, mass spectrometric data and co-elution with synthetic mGnRH on HPLC confirmed that the carboxy-terminal residue was amidated. The amino acid sequence of sturgeon GnRH is pGlu-His-Trp-Ser-Tyr-Gly-Leu-Arg-Pro-Gly-NH
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<fN21>
<s1>116</s1>
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