نتایج جستجو برای: fplc

تعداد نتایج: 357  

Journal: :FEMS microbiology letters 2005
Jorge Gutiérrez Denis Bourque Raquel Criado Young J Choi Luis M Cintas Pablo E Hernández Carlos B Míguez

Enterocin P (EntP), a strong antilisterial pediocin-like bacteriocin from Enterococcus faecium P13, was produced by Methylobacterium extorquens. For heterologous expression of EntP in the methylotrophic bacterium M. extorquens, a recombinant plasmid was constructed. The gene encoding the EntP structural gene (entP) was cloned into the plasmid vector pCM80, under control of the methanol dehydrog...

Journal: :Molecules 2017
Miao Li Qin Liu Yajuan Cui Dong Li Hexiang Wang Tzi Bun Ng

A 17.5-kDa trypsin inhibitor was purified from Phaseolus vulgaris cv. "gold bean" with an isolation protocol including ion exchange chromatography on DEAE-cellulose (Diethylaminoethyl-cellulose), affinity chromatography on Affi-gel blue gel, ion exchange chromatography on SP-sepharose (Sulfopropyl-sepharose), and gel filtration by FPLC (Fast protein liquid chromatography) on Superdex 75. It dos...

1999
Claudio Henrique Cerri e Silva Jurgen Puls Marcelo Valle de Sousa Edivaldo Ximenes Ferreira Filho

A xylan-degrading enzyme (xylanase II) was purified to apparent homogeneity from solid-state cultures of Aspergillus fumigatus Fresenius. The molecular weight of xylanase II was found to be 19 and 8.5 kDa, as estimated by SDS-PAGE and gel filtration on FPLC, respectively. The purified enzyme was most active at 55C and pH 5.5. It was specific to xylan. The apparent K m and V max values on solubl...

Journal: :Reproductive biology 2009
André Belico Vasconcelos Alexandre Martins Costa Santos Jamil Silvano Oliveira Monique de Albuquerque Lagares Marcelo Matos Santoro

The aims of the study were: 1/ to isolate and identify equine seminal plasma proteinase inhibitors, 2/ to evaluate their inhibitory potential, and 3/ to test a correlation between protein concentration in seminal plasma supernatant (obtained after precipitation with 36% ammonium sulfate) and stallion sexual maturity. Seminal plasma proteins obtained from six stallions were chromatographed in a ...

Journal: :Clinical chemistry 1989
C Barthe J Carrere C Figarella O Guy-Crotte

"Cystic fibrosis protein" (CFP), a minor serum protein marker of the cystic fibrosis allele, was isolated from serum from patients with cystic fibrosis by use of the "FPLC" high-resolution chromatography system and preparative sodium dodecyl sulfate-polyacrylamide gel electrophoresis. CFP currently is characterized by its isoelectric point (8.4) on isoelectric focusing. However, after the first...

Journal: :Clinical chemistry 1983
E H Cooper R Turner E A Johns H Lindblom V J Britton

Fast Protein Liquid Chromatography TM (FPLC), in which an anion-exchange column is used, provides rapid separation and reproducible profiling of the plasma proteins in urine and cerebrospinal fluid (CSF). Chromatographic separation of the proteins takes 1 h for urine specimens and 45 min for CSF. The elution sequence from the anion-exchange column is similar to the electrophoretic mobility. Ind...

Journal: :Revista de biologia tropical 1992
F Aragón-Ortiz

A proteolytic enzyme from L. muta stenophrys was isolated by gel filtration on Bio Gel P-100 followed by FPLC on MONO S column. The enzyme exhibited proteolytic activity toward casein, hemoglobin and fibrinogen with a pH optimum around 10. The activity was inhibited by EDTA while trypsin inhibitors were not inhibitory. It is a glycoprotein, Mr 14 kDa with a high content of Asp, Glu, and Leu res...

Journal: :Indian journal of biochemistry & biophysics 2013
Li-Jing Xu Qing-Jun Chen He-Xiang Wang Guo-Qing Zhang

A 15 kDa ribonuclease (RNase) was purified from dried fruiting bodies of the wild edible mushroom Armillaria luteo-virens. The simple 4-step purification protocol involved ion-exchange chromatography on DEAE-cellulose, affinity chromatography on Affi-gel blue gel, ion-exchange chromatography on SP-Sepharose and a final gel filtration by FPLC on Superdex-75. The RNase was unadsorbed on Affi-gel ...

2017
Jing Hu Chris Weise Christoph Böttcher Hua Fan Jian Yin

The γ-aminobutyric acid (GABA) transporter 1 (GAT1) belongs to a family of Na+ and Cl--coupled transport proteins and possesses 12 putative transmembrane domains. To perform structural analyses of the GAT1 protein, the GAT1/green fluorescent protein (GFP) fusion protein was functionally expressed in insect Sf9 cells by the BAC-TO-BAC® baculovirus expression system. A two-step procedure to purif...

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