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Questions related from Charity Bechtel
Does anyone know how to make a fasta file with a conjugated peptide? I've only done this with amino acids but i have to also add the small molecule that is conjugated to the lysine mid sequence....
25 March 2019 3,059 0 View
I'm having trouble calibrating my LTQ Orbi XL. All positive and negative calibration/checks passed accept in the Trap in negative mode, the ion electron mult gain. It failed bc of the gain match...
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I have 2 m/z peaks that will not go away. not solvent/column/online or offline they are always there. I was told they are prob electronic noise peaks. Does anyone know how to isolate the...
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How accurate should MS2 data be? fragmented by HCD in the Orbi? My precursor ions 1300+3 - 800+5m/z, are accurate to xxxx.xx. The molecule is 4000 Da intact MS work, top down no digest.
27 March 2018 721 2 View