Calibration Markers

Mass Spectrometer Calibration Peptides

Peptide listings grouped by the supplied mass ranges.

Short/Low-Mass Peptides (<1000 Da)

Leu-EnkephalinYGGFL
Met-EnkephalinYGGFM
Bradykinin Fragment 1-7RPPGFSP
Angiotensin IIDRVYIHPF

Mid-Mass Peptides (1000 – 2000 Da)

BradykininRPPGFSPFR
Angiotensin IDRVYIHPFHL
Substance PRPKPQQFFGLMoften C-terminally amidated
NeurotensinpELYENKPRRPYILpE = Pyroglutamate
GonadoliberinpEHWSYGLRPGpE = Pyroglutamate
BombesinpEQRLGNQWAVGHLMpE = Pyroglutamate
Renin SubstrateDRVYIHPFHLVIHN
[Glu1]-Fibrinopeptide BEGVNDNEEGFFSAR
ACTH clip 1-17SYSMEHFRWGKPVGKKR

High-Mass Peptides (>2000 Da)

ACTH clip 18-39RPVKVYPNGAEDESAEAFPLEF
Somatostatin 28SANSNPAMAPRERKAGCKNFFWKTFTSCContains an internal disulfide bond between the two Cysteine residues

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