X

Download Acknowledgement Structural Bioinformatics Laboratory PowerPoint Presentation

SlidesFinder-Advertising-Design.jpg

Login   OR  Register
X


Iframe embed code :



Presentation url :

Home / Business & Management / Business & Management Presentations / Acknowledgement Structural Bioinformatics Laboratory PowerPoint Presentation

Acknowledgement Structural Bioinformatics Laboratory PowerPoint Presentation

Ppt Presentation Embed Code   Zoom Ppt Presentation

PowerPoint is the world's most popular presentation software which can let you create professional Acknowledgement Structural Bioinformatics Laboratory powerpoint presentation easily and in no time. This helps you give your presentation on Acknowledgement Structural Bioinformatics Laboratory in a conference, a school lecture, a business proposal, in a webinar and business and professional representations.

The uploader spent his/her valuable time to create this Acknowledgement Structural Bioinformatics Laboratory powerpoint presentation slides, to share his/her useful content with the world. This ppt presentation uploaded by worldwideweb in Business & Management ppt presentation category is available for free download,and can be used according to your industries like finance, marketing, education, health and many more.

About This Presentation

Slide 1 - Large-scale expression and automated purification of G-protein-coupled receptors for structure determination Jim F. White 1, Loc B. Trinh 2, Joseph Shiloach 2 and Reinhard Grisshammer 1 1 Laboratory of Molecular Biology 2 Biotechnology Unit NIDDK, NIH, Bethesda MD Department of Health and Human Services
Slide 2 - G-protein-coupled receptors Palczewski et al., Science 289, 739-745, 2000 Okada et al., PNAS 99, 5982-5987, 2002
Slide 3 - ppt slide no 3 content not found
Slide 4 - Structure determination of membrane receptors Gene or cDNA isolation System for high level expression Solubilization and purification Characterization and crystallization Structure determination
Slide 5 - Rat neurotensin receptor (NTR, NTS-1) 424 aa, 47 kDa rat brain cDNA library Tanaka et al., Neuron 4, 847, 1990 cDNA from S. Nakanishi neurotensin Glp-Leu-Tyr-Glu-Asn-Lys-Pro-Arg-Arg-Pro-Tyr-Ile-Leu
Slide 6 - Expression of seven-helix G-protein coupled receptors in Escherichia coli Practical aspects maintenance of “cell line” is easy scale-up of expression is possible cell breakage at large scale not problematic
Slide 7 - ppt slide no 7 content not found
Slide 8 - Tools for assessing expression levels functional receptors → ligand binding analysis total receptor protein → Western blot (‘tag’)
Slide 9 - ppt slide no 9 content not found
Slide 10 - Expression as maltose-binding protein fusion
Slide 11 - ppt slide no 11 content not found
Slide 12 - Influence of tag on expression Tucker & Grisshammer, 1996
Slide 13 - Expression in E. coli of the neurotensin receptor fusion protein
Slide 14 - Expression levels of NTR fusion protein 1000 receptors/cell ([3H]NT) 3-5 nmol/L of culture (0.3 - 0.5 mg/L) 9 pmol/mg of total solubilized protein 24 pmol/mg of membrane protein
Slide 15 - General applicability of expression system Cannabinoid CB1 receptor: No (degraded) Cannabinoid CB2 receptor: 17-39 pmol/mg (MBP-CB2-HF) (Calandra et al., 1997) Substance K receptor: 7 pmol/mg (MBP-SKR-HMTX) (Grisshammer et al., 1994) Neurotensin receptor: 24 pmol/mg (MBP-T43NTR-TrxA-H10) (Grisshammer & Tucker, 1997) Adenosine A2a receptor: 17-34 pmol/mg (MBP-A2aTr316-H10) (Weiß & Grisshammer, 2002)
Slide 16 - Purification of the neurotensin receptor fusion protein Ni-NTA 1. IMAC 2. ligand affinity column
Slide 17 - Immobilized metal affinity chromatography (IMAC) His tag HHHHHHHHHH very robust purification system easy to scale up excellent purification of NTR fusion protein from total cell lysate Grisshammer & Tucker, 1997
Slide 18 - IMAC Ni-NTA, crude membranes
Slide 19 - P950 air sample Ni-NTA A B air frac NiE NiA waste NiB 35% NT0 NT200 NTE NT NT1K 1 2 3 2 4 F3 5 6 B22 White et al., 2004
Slide 20 - Large scale purification
Slide 21 - Large scale purification 1: SN 2: NiFT 3: NiE 4: NTFT 5: NTE
Slide 22 - Generation of T43NTR MBP T43NTR Tev TrxA-H10
Slide 23 - Backbone conformation of NT(8-13) bound to rat NTS-1 Luca et al., 2003