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Chemical structure of H-Met-Arg-Phe-Ala-OH

GA22724

H-Met-Arg-Phe-Ala-OH

Also known as (2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-4-methylsulfanylbutanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]amino]-3-phenylpropanoyl]amino]propanoic acid

MRFA is used as a calibration standard in mass spectrometry (ESI)· Miao et al· studied Pt(II) complexes of the tetrapeptide by mass spectrometric methods·MRFA has been shown to be a competitive inhibitor of an enkephalin-generating endopeptidase isolated from rat brain· The peptide is a substrate for dipeptidyl peptidase III from human erythrocytes and for snapalysin

ChemicalCAS67368-29-0MW523.66FormulaC23H37N7O5S
CAS number
67368-29-0
Molecular weight
523.66
Formula
C23H37N7O5S
Solubility
Soluble in DMSO
InChIKey
UWTASUKCZNGRDU-DKIMLUQUSA-N
Catalogue number
GA22724
Brand
GLPBIO
Computed properties PubChem CID 9914740 · XLogP -3.8 · TPSA 240 Ų · H-bond donors 7
XLogP
-3.8
TPSA
240 Ų
H-bond donors
7
H-bond acceptors
8
Rotatable bonds
16
Heavy atoms
36

SMILES C[C@@H](C(=O)O)NC(=O)[C@H](CC1=CC=CC=C1)NC(=O)[C@H](CCCN=C(N)N)NC(=O)[C@H](CCSC)N

Computed descriptors from PubChem (CID 9914740), public domain. Identity cross-checked against the supplier's molecular formula and weight — verify before use.

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