U30. Proteomics

U30-E04. Small equipment for protein separation

Small equipment for protein separation

Description: Under this concept, the Unit has the following instruments:

1. High-performance liquid chromatography (HPLC) system with UV detector (Agilent 1200 Series), for the chromatographic separation of proteins by reversed phase, ion exange, gel filtration or affinity.
2. Two IPGPhor systems (GE Healthcare), for the separation of proteins by isoelectric focusing.
3. Protein electrophoresis units: MiniProtean (Bio-Rad), SE600 Ruby (GE Healthcare) y Ettan™ DALTsix (GE Healthcare), for running gels up to 24×26 cm to separate proteins according to their size.
4. Microfraction collector and spotter SunCollect (SunChrom), to collect fractions coming out of the nLC and deposit themo onto MALDI plates for mass spectrometry. 

Applications: Separation of proteins in liquid or gel supports, according to a wide variety of physicochemical properties.

U30-E03. MALDI-TOF/TOF System

MALDI-TOF/TOF System

Description: 4800 Proteomics Analyzer (Sciex)

Technical specifications: Mass spectrometer equipped with a matrix-assisted laser desorption/ionization (MALDI) source, using a Nd:YAG 200-Hz laser, and two time-of-flight mass analyzers in tandem with a high-energy collision-induced disociation (CID) chamber for ion fragmentation. It has a variable ion path length to accomodate MS linear, MS reflector and MS/MS acquisition modes.

Applications: Determination of molecular masses of peptides, proteins and other biomolecules. Protein identification by peptide fingerprint or peptide fragmentation. Shotgun quantitative proteomics analyses by isotopic labeling and LC-MALDI workflows.

U30-E02. QTRAP LC-MS/MS System

QTRAP LC-MS/MS System

Description: Tempo™ nanoLC-2D liquid chromatography system coupled to QTRAP5500 mass spectrometer (Sciex).

Technical specifications: The QTRAP® 5500 LC-MS/MS system (Sciex) is a triple quadrupole combined with a trap-type accelerator. It has two electrospray ionization sources (nano source and turbo source).

Applications: Determination of molecular masses of peptides, proteins and other biomolecules. Absolute quantification of proteins using isotope-labeled standards. Targeted quantitative proteomics analyses by multiple reaction monitoring (MRM).

U30-E01. TIMS TOF Pro LC-MS/MS System

TIMS TOF Pro LC-MS/MS System

Description: Liquid nanochromatography system coupled to high resolution mass spectrometry with ion mobility (Bruker).

Technical specifications: The system consists of a nanoElute® chromatograph, which works at gradients between 50-2000 nL/min and is coupled to a TimsTOF mass spectrometer (Bruker) with an electrospray source. This spectrometer has two analyzers in hybrid configuration quadrupole and time of flight. It features a TIMS ion mobility trap that adds a fourth dimension of separation, as well as PASEF (Parallel Accumulation Serial Fragmentation) technology, which enables sequencing speeds of over 100 Hz, providing extremely high throughput and sensitivity.

Applications: Determination of molecular masses of peptides, proteins and other biomolecules. Protein identification by peptide fragmentation. Shotgun quantitative proteomics analyses by isotopic labeling (SILAC, iTRAQ, TMT…) or label-free (LFQ). Targeted quantitative proteomics analyses by PRM.