$VAR1 = undef;

Summary for peptidase S08.009: subtilisin Ak1

Names
MEROPS Name	subtilisin Ak1
Other names	F1 protease (Bacillus stearothermophilus), Mername-AA054 peptidase

Domain architecture

MEROPS Classification
Classification	Clan SB >> Subclan (none) >> Family S8 >> Subfamily A >> S08.009
Holotype	subtilisin Ak1 (Geobacillus stearothermophilus), Uniprot accession Q45670 (peptidase unit: 130-400), MERNUM MER0000332
History	Identifier created: Handbook of Proteolytic Enzymes (1998) Academic Press, London.

Activity
Catalytic type	Serine
Peplist	Included in the Peplist with identifier PL00345
NC-IUBMB	Not yet included in IUBMB recommendations.
Proteolytic events	CutDB database (3 cleavages)
Physiology	Probably contributes to nutrition of organism.
Cleavage site specificity	Explanations of how to interpret the following cleavage site sequence logo and specificity matrix can be found here.
Cleavage pattern	-/-/a/--/-/-/- (based on 12 cleavages)

Specificity matrix

Amino acid	P4	P3	P2	P1	P1'	P2'	P3'	P4'
Gly	0	0	0	1	0	0	0	1
Pro	0	0	1	0	0	0	0	0
Ala	1	3	4	3	1	0	0	0
Val	1	1	1	1	0	0	1	0
Leu	0	1	1	2	0	3	0	1
Ile	0	0	0	0	0	0	0	0
Met	0	0	0	0	0	0	0	0
Phe	1	0	0	2	0	0	0	0
Tyr	0	1	0	0	1	0	1	0
Trp	0	0	0	0	0	0	0	0
Ser	0	0	0	0	0	0	0	0
Thr	0	0	0	0	0	0	0	0
Cys	0	0	0	0	0	0	0	0
Asn	0	0	1	0	0	0	0	0
Gln	0	0	0	1	0	0	0	0
Asp	0	0	0	0	0	0	0	0
Glu	0	1	0	1	0	0	0	0
Lys	0	0	0	0	0	0	0	0
Arg	0	0	0	0	0	0	0	0
His	1	0	0	0	1	0	0	0