Information for Peptide: LVDQNIFSFYLSR from CATD_HUMAN

1. Biological Peptide

1.1 Native Sequence

    K.LVDQNIFSFYLSR.D

1.2 Peptide Properties

Start Stop MW m/z for 2+ m/z for 3+ pI
223 235 1600.82 801.42 534.62 5.84

1.3 Fragment Ion Table

AA b Ion Series b Ion Mass y Ion Series y Ion Mass
L b y
V b y
D b y
Q b y
N b y
I b y
F b y
S b y
F b y
Y b y
L b y
S b y
R b y

2. Synthetic Peptide

2.1 Synthetic (Internal Standard) Peptide Sequence

LVDQNIFSFYL(C6N1)SR (Modification: Stable isotope label on L11 (U-13C, 15N) )

2.2 Peptide Properties

MW m/z for 2+ m/z for 3+ pI
1607.84 804.93 536.96 5.84

2.3 Fragment Ion Table

AA b Ion Series b Ion Mass y Ion Series y Ion Mass
L b y
V b y
D b y
Q b y
N b y
I b y
F b y
S b y
F b y
Y b y
L b y
S b y
R b y

2.4 Peptide Synthesis Report

Click to view/download synthesis report for LVDQNIFSFYLSR

2.5 QqQ MS/MS

Transition Table:

Transition m/z of Transition Collision Energy
y8 1039.55188 29.0
y7 926.46782 28.0
y6 779.39941 28.0

2.6 Calibration Curve of Standard

Description: NONE

 

Experiment Description: Control urine was processed via ultrafiltration according to Moffitt Proteomics protocol and subjected to in-solution digestion with trypsin, following thermal denaturation, reduction, and alkylation.

2.7 LC-MRM Analysis of Biological and Standard Peptides Illustrates Elution Times

2.8 Pseudo MS/MS Comparison of Transition Patterns for Biological/Standard Peptides