J N Jansonius
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Explore the profile of J N Jansonius including associated specialties, affiliations and a list of published articles.
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97
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2150
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Recent Articles
11.
Merz A, Knochel T, Jansonius J, Kirschner K
J Mol Biol
. 1999 May;
288(4):753-63.
PMID: 10329177
The recombinantly expressed protein indoleglycerol phosphate synthase from the hyperthermophilic bacterium Thermotoga maritima (tIGPS) was purified and characterized with respect to oligomerization state, catalytic properties and thermostability. This enzyme from...
12.
Malashkevich V, Burkhard P, Dominici P, Moore P, Borri Voltattorni C, Jansonius J
Acta Crystallogr D Biol Crystallogr
. 1999 Mar;
55(Pt 2):568-70.
PMID: 10089382
DOPA decarboxylase is responsible for the synthesis of the key neurotransmitters dopamine and serotonin via decarboxylation of L-3, 4-dihydroxyphenylalanine (L-DOPA) and L-5-hydroxytryptophan, respectively. The crystals of recombinant DOPA decarboxylase differ...
13.
Hester G, Stark W, Moser M, Kallen J, Jansonius J
J Mol Biol
. 1999 Feb;
286(3):829-50.
PMID: 10024454
Phosphoserine aminotransferase (PSAT; EC 2.6.1.52), a member of subgroup IV of the aminotransferases, catalyses the conversion of 3-phosphohydroxypyruvate to l-phosphoserine. The crystal structure of PSAT from Escherichia coli has been...
14.
Jansonius J
Curr Opin Struct Biol
. 1999 Jan;
8(6):759-69.
PMID: 9914259
The number of known three-dimensional structures of vitamin B6-dependent enzymes has doubled in the past two years. A fourth type of fold for B6-dependent enzymes, involving a TIM-barrel domain, has...
15.
Birolo L, Malashkevich V, Capitani G, De Luca F, Moretta A, Jansonius J, et al.
Biochemistry
. 1999 Jan;
38(3):905-13.
PMID: 9893985
To elucidate the role of the two conserved cis-proline residues of aspartate aminotransferase (AspAT), one double and two single mutants of the enzyme from Escherichia coli (EcAspAT) were prepared: P138A,...
16.
Storici P, Capitani G, Muller R, Schirmer T, Jansonius J
J Mol Biol
. 1999 Jan;
285(1):297-309.
PMID: 9878407
Ornithine aminotransferase (l-ornithine:2-oxoacid delta-aminotransferase; EC 2.6.1.13), a pyridoxal-5'-phosphate-dependent mitochondrial enzyme controls the l-ornithine level in tissues by catalyzing the transfer of the delta-amino group of l-ornithine to 2-oxoglutarate, producing l-glutamate-...
17.
Burkhard P, Rao G, Hohenester E, Schnackerz K, Cook P, Jansonius J
J Mol Biol
. 1998 Oct;
283(1):121-33.
PMID: 9761678
The last step in cysteine biosynthesis in enteric bacteria is catalyzed by the pyridoxal 5'-phosphate-dependent enzyme O-acetylserine sulfhydrylase. Here we report the crystal structure at 2.2 A resolution of the...
18.
Malashkevich V, de Biase D, Schlunegger M, Bossa F, Jansonius J
Acta Crystallogr D Biol Crystallogr
. 1998 Oct;
54(Pt 5):1020-2.
PMID: 9757126
Glutamate decarboxylase (GAD) is a vitamin B6 enzyme which catalyzes the alpha-decarboxylation of L-glutamate to gamma-aminobutyric acid (GABA). Escherichia coli cells coexpress two highly homologous enzyme isoforms, GADalpha and GADbeta....
19.
Shen B, Hennig M, Hohenester E, Jansonius J, Schirmer T
J Mol Biol
. 1998 Apr;
277(1):81-102.
PMID: 9514741
Ornithine aminotransferase (OAT), a pyridoxal-5'-phosphate dependent enzyme, catalyses the transfer of the delta-amino group of L-ornithine to 2-oxoglutarate, producing L-glutamate-gamma-semialdehyde, which spontaneously cyclizes to pyrroline-5-carboxylate, and L-glutamate. The crystal structure...
20.
Hennig M, STERNER R, Kirschner K, Jansonius J
Biochemistry
. 1997 May;
36(20):6009-16.
PMID: 9166771
The structural basis of thermostability of proteins is of great scientific and biotechnological interest. Differences in the X-ray structues of orthologous proteins from hyperthermophilic and mesophilic organisms can indicate crucial...