Leupeptin hemisulfate salt; MS2; Q-Tof; [M+H]+

2008.7.24 Copyright(C) 2009 Plant Science Center, RIKEN

Record Data

Tag Sub Tag Data
ACCESSION PT101283
RECORD_TITLE Leupeptin hemisulfate salt; MS2; Q-Tof; [M+H]+
DATE 2008.7.24
AUTHORS Matsuda F, Suzuki M, Sawada Y, Plant Science Center, RIKEN.
COPYRIGHT Copyright(C) 2009 Plant Science Center, RIKEN
COMMENTS Build 1 2009/06/24
COMMENTS Acquisition and generation of the data is financially supported in part by CREST/JST.
STRUCTURE_FILE_NAME N/A
CH$ NAME Leupeptin hemisulfate salt
CH$ NAME Acetyl-Leu-Leu-Arg-al
CH$ NAME N-Acetyl-L-leucyl-L-leucyl-L-argininal hemisulfate salt
CH$ NAME 2-[[(2S)-2-acetamido-4-methylpentanoyl]amino]-N-[5-(diaminomethylideneamino)-1-oxopentan-2-yl]-4-methylpentanamide
CH$ COMPOUND_CLASS CLASS1 Amino acid
CH$ COMPOUND_CLASS CLASS2 Peptide
CH$ COMPOUND_CLASS CLASS3 Oligopeptide
CH$ FORMULA C20H38N6O4
CH$ EXACT_MASS 426.58
CH$ LINK CAS 24365-47-7
CH$ SMILES CC(C)CC(C(=O)NC(CC(C)C)C(=O)NC(CCCN=C(N)N)C=O)NC(=O)C
CH$ IUPAC InChI=1/C20H38N6O4/c1-12(2)9-16(24-14(5)28)19(30)26-17(10-13(3)4)18(29)25-15(11-27)7-6-8-23-20(21)22/h11-13,15-17H,6-10H2,1-5H3,(H,24,28)(H,25,29)(H,26,30)(H4,21,22,23)/t15u,16-,17u/m0/s1/f/h24-26H,21-22H2
AC$ INSTRUMENT Q-Tof Premier, Waters
AC$ INSTRUMENT_TYPE N/A
AC$ ANALYTICAL_CONDITION MS_TYPE LC-Q-TOF/MS
AC$ ANALYTICAL_CONDITION IONIZATION ESI
AC$ ANALYTICAL_CONDITION SOURCE_TEMPERATURE 120 C
AC$ ANALYTICAL_CONDITION PRECURSOR_SELECTION Q
AC$ ANALYTICAL_CONDITION FRAGMENTATION_EQUIPMENT Q
AC$ ANALYTICAL_CONDITION FRAGMENTATION_METHOD LOW-ENERGY CID
AC$ ANALYTICAL_CONDITION COLLISION_ENERGY 30 V
AC$ ANALYTICAL_CONDITION SPECTRUM_TYPE TOF
AC$ ANALYTICAL_CONDITION DATAFORMAT Continuum
AC$ ANALYTICAL_CONDITION SOLVENT CH3CN/H2O
AC$ ANALYTICAL_CONDITION MODE POSITIVE
AC$ ANALYTICAL_CONDITION CAPILLARY_VOLTAGE 3.0 kV
AC$ ANALYTICAL_CONDITION SAMPLING_CONE 23.0 V
MS$ FOCUSED_ION ION_TYPE [M+H]+
MS$ FOCUSED_ION PRECURSOR_M/Z 427.30324
PK$ NUM_PEAK 2
PK$ PEAK m/z int. rel.int.
[-] m/z
[-] Intensity
[-] Relative intensity
409.2974
499.8
433
427.3033
1153
999

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