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PEGMGF sequence?

PEGMGF sequence? - Peptide Forum

PEGMGF sequence? - Peptide Forum. Ask and discuss questions on peptide protocols, custom peptide synthesis, peptide identification and peptide sequencing.


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Old 11-03-2008, 11:57 AM
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Default PEGMGF sequence?



1.Do you know the sequence of PEGMGF including the N-terminus and the C-terminus?

2.What size is the PEG molecule as the weights vary?

3.What type of PEG is it? are there different types of Poly(ethylene) glycol (PEG)?

4.Which PEG is on the n-terminus of PEGMGF?

One PEGMGF sequence i have found has two (d) on amino-acid peptide sequence. ie (Gin-(d)Arg-(d)Arg-Lys).

5.Is the sequence import in this case? Whats the difference between amino-acid peptide with and without the (d) in place. ?
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Old 11-04-2008, 02:03 AM
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Default Re: PEGMGF sequence?

Our PEG is about 1900Da. As PEG is a mixture, our PEG-MGF can not make MS spec.
We only promise the peptide MS before labeling is correct.
However, we can make purification on PEG-MGF to 95%
Below is our sequence of PEG-MGF
PEG-Suc-Tyr-Gln-Pro-Pro-Ser-Thr-Asn-Lys-Asn-Thr-Lys-Ser-Gln-d-Arg-d-Arg-Lys-Gly-Ser-Thr-Phe-Glu-Glu-d-Arg-Lys-nh2
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