ENZYME PREDICTOR
ENZYME PATTERNS
The following enzymes and cleavage patterns are the ones used by Enzyme-Predictor.
Enzyme name | P4 | P3 | P2 | P1 | P1' | P2' |
Arg-C proteinase | - | - | - | R | - | - |
Asp-N endopeptidase | - | - | - | - | D | - |
Caspase 1 |
F, W, Y, or L |
- | H, A or T | D | not P, E, D, Q, K or R | - |
Caspase 2 | D | V | A | D | not P, E, D, Q, K or R | - |
Caspase 3 | D | M | Q | D | not P, E, D, Q, K or R | - |
Caspase 4 | L | E | V | D | not P, E, D, Q, K or R | - |
Caspase 5 |
L or W |
E | H | D | - | - |
Caspase 6 | V | E |
H or I |
D | not P, E, D, Q, K or R | - |
Caspase 7 | D | E | V | D | not P, E, D, Q, K or R | - |
Caspase 8 |
I or L |
E | T | D | not P, E, D, Q, K or R | - |
Caspase 9 | L | E | H | D | - | - |
Caspase 10 | I | E | A | D | - | - |
Chymotrypsin-high specificity (C-term to [FYW], not before P) | - | - | - |
F or Y |
not P | - |
- | - | - | W |
not M or P |
- |
Chymotrypsin-low specificity (C-term to [FYWML], not before P) | - | - | - |
F,L or Y |
not P | - |
- | - | - | W |
not M or P |
- |
- | - | - | M |
not P or Y |
- |
- | - | - | H |
not D,M,P or W |
- |
Enterokinase | D or N | D or N | D or N | K | - | - |
Factor Xa |
A,F,G,I,L,T,V or M |
D or E |
G | R | - | - |
Formic acid | - | - | - | D | - | - |
Glutamyl endopeptidase | - | - | - | E | - | - |
GranzymeB | I | E | P | D | - | - |
Hydroxylamine | - | - | - | N | G | - |
Iodosobenzoic acid | - | - | - | W | - | - |
LysC | - | - | - | K | - | - |
NTCB (2-nitro-5-thiocyanobenzoic acid) | - | - | - | - | C | - |
Pepsin (pH1.3) | - | not H,K, or R | not P | not R | F,L,W or Y | not P |
- | not H,K, or R | not P | F,L,W or Y | - | not P |
Pepsin (pH>2) | - | not H,K or R | not P | not R | F or L | not P |
- | not H,K or R | not P | F or L | - | not P |
Proline-endopeptidase | - | - |
H,K or R |
P | not P | - |
Staphylococcal peptidase I | - | - | not E | E | - | - |
Thrombin | - | - | G | R | G | - |
A,F,G,I,L,T,V or M |
A,F,G,I,L,T,V,W or A |
P | R |
not D or E |
not DE |
Trypsin (please note the exceptions!) | - | - | - |
K or R |
not P | - |
- | - | W | K | P | - |
- | - | M | R | P | - |
Modified-chymotrypsin | - | - | - | F,W,Y or L | not P | - |
elastase | - | - | - | A,V,I,L,G or R | G,P,A,L or F | - |
Cyanogen-bromide | - | - | - | M | - | - |
Proline-endopeptidase_diff | - | - | - | P | - | - |
Plasmin | - | - | - | K or R | | - |
CathepsinD | - | - | - | A,V,L,I,P,M,F or W | A,V,L,I,P,M or F | - |
Enzyme name | P4 | P3 | P2 | P1 | P1' | P2' |
The exception rules:
The above cleavage rules do not apply, i.e. no cleavage occurs, with the following compositions of the cleavage sites:
Enzyme name | P4 | P3 | P2 | P1 | P1' | P2' |
Trypsin | - | - |
C or D |
K | D | - |
- | - | C | K | H or Y | - |
- | - | C | R | K | - |
- | - | R | R | H or R | - |
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