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m/z (Da) Charge
Parent Tol Masses are
Output Hits to file Name
Instrument
Ion Types
Constant
Mods
Maximum Reported Compositions
Combination Type
Note: If the mass tolerance is large and few ions below are
checked then the program will take a long time to run.
User Specified AA Elem Comp (u)
User Specified AA Elem Comp (v)
User Specified AA Elem Comp (w)
User Specified AA Elem Comp (x)
AA Composition (based on immonium and related ions)
60
S
70
R,P
72
V
74
T
86
L,I
87
N,R
88
D
84,101,129
K,Q
102
E
104
M
110
H
120
F
126
P
136
Y
117,130,159,170
W
70,73,87,100,112,185
R
AA Composition (based on loss from parent ion)
-SRH,-R
C
(select modified Cys)
-80
PO4 - S,T,Y
(homology)
-98
PO4 - S,T
(homology)
-64
Mso
(homology)
-17
R
 
Note: For ions with multiple residues (i.e. 86: means I or L).
Note: Requires presence of at least one AA for each composition ion selected.
Extra Known Amino Acids (Check box for each additional amino acid known to be present)

A

C

D

E

F

G

H

I

K

L

M

N

P

Q

R

S

T

V

U

W

Y

m

h

s

t

y

u

v

w

x

A

C

D

E

F

G

H

I

K

L

M

N

P

Q

R

S

T

V

U

W

Y

m

h

s

t

y

u

v

w

x

A

C

D

E

F

G

H

I

K

L

M

N

P

Q

R

S

T

V

U

W

Y

m

h

s

t

y

u

v

w

x
Absent Amino Acids (Check to Prevent Possible Inclusion)

A

C

D

E

F

G

H

I

K

L

M

N

P

Q

R

S

T

U

V

W

Y
Modified Amino Acids Possibly Present (Check to Allow Inclusion)

m

h

s

t

y

u

v

w

x
Met-ox Homoserine
lactone
Phosphorylated
S,T,Y
User Specified AAs
(Provide Elemental Composition Below)