Details
| Original language | English |
|---|---|
| Pages (from-to) | 435-440 |
| Number of pages | 6 |
| Journal | Biological chemistry |
| Volume | 386 |
| Issue number | 5 |
| Publication status | Published - 2005 |
Abstract
An extracellular enzyme capable of efficient hydrolysis of xanthophyll esters was purified from culture supernatants of the basidiomycete Pleurotus sapidus. Under native conditions, the enzyme exhibited a molecular mass of 430 kDa, and SDS-PAGE data suggested a composition of eight identical subunits. Biochemical characterisation of the purified protein showed an isoelectric point of 4.5, and ideal hydrolysis conditions were observed at pH 5.8 and 40°C. Partial amino acid sequences were derived from N-terminal Edman degradation and from mass spectrometric ab initio sequencing of internal peptides. An 1861-bp cDNA containing an open reading frame of 1641 bp was cloned from a cDNA library that showed ca. 40% homology to Candida rugosa lipases. The P. sapidus carboxylesterase represents the first enzyme of the lipase/esterase family from a basidiomycetous fungus that has been characterised at the molecular level.
Keywords
- Carotenoids, cDNA library, Fungi, Lipase
ASJC Scopus subject areas
- Biochemistry, Genetics and Molecular Biology(all)
- Biochemistry
- Biochemistry, Genetics and Molecular Biology(all)
- Molecular Biology
- Biochemistry, Genetics and Molecular Biology(all)
- Clinical Biochemistry
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In: Biological chemistry, Vol. 386, No. 5, 2005, p. 435-440.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - An extracellular carboxylesterase from the basidiomycete Pleurotus sapidus hydrolyses xanthophyll esters
AU - Zorn, Holger
AU - Bouws, Henning
AU - Takenberg, Meike
AU - Nimtz, Manfred
AU - Getzlaff, Rita
AU - Breithaupt, Dietmar E.
AU - Berger, Ralf G.
PY - 2005
Y1 - 2005
N2 - An extracellular enzyme capable of efficient hydrolysis of xanthophyll esters was purified from culture supernatants of the basidiomycete Pleurotus sapidus. Under native conditions, the enzyme exhibited a molecular mass of 430 kDa, and SDS-PAGE data suggested a composition of eight identical subunits. Biochemical characterisation of the purified protein showed an isoelectric point of 4.5, and ideal hydrolysis conditions were observed at pH 5.8 and 40°C. Partial amino acid sequences were derived from N-terminal Edman degradation and from mass spectrometric ab initio sequencing of internal peptides. An 1861-bp cDNA containing an open reading frame of 1641 bp was cloned from a cDNA library that showed ca. 40% homology to Candida rugosa lipases. The P. sapidus carboxylesterase represents the first enzyme of the lipase/esterase family from a basidiomycetous fungus that has been characterised at the molecular level.
AB - An extracellular enzyme capable of efficient hydrolysis of xanthophyll esters was purified from culture supernatants of the basidiomycete Pleurotus sapidus. Under native conditions, the enzyme exhibited a molecular mass of 430 kDa, and SDS-PAGE data suggested a composition of eight identical subunits. Biochemical characterisation of the purified protein showed an isoelectric point of 4.5, and ideal hydrolysis conditions were observed at pH 5.8 and 40°C. Partial amino acid sequences were derived from N-terminal Edman degradation and from mass spectrometric ab initio sequencing of internal peptides. An 1861-bp cDNA containing an open reading frame of 1641 bp was cloned from a cDNA library that showed ca. 40% homology to Candida rugosa lipases. The P. sapidus carboxylesterase represents the first enzyme of the lipase/esterase family from a basidiomycetous fungus that has been characterised at the molecular level.
KW - Carotenoids
KW - cDNA library
KW - Fungi
KW - Lipase
UR - http://www.scopus.com/inward/record.url?scp=26844520402&partnerID=8YFLogxK
U2 - 10.1515/BC.2005.052
DO - 10.1515/BC.2005.052
M3 - Article
C2 - 15927887
AN - SCOPUS:26844520402
VL - 386
SP - 435
EP - 440
JO - Biological chemistry
JF - Biological chemistry
SN - 1431-6730
IS - 5
ER -