$VAR1 = undef;

Summary for XT01.001

Names
MEROPS Name	20S constitutive proteasome peptidase complex (eukaryote)

MEROPS Classification

Activity
Catalytic type	Threonine
NC-IUBMB	Not yet included in IUBMB recommendations.
Cleavage site specificity	Explanations of how to interpret the following cleavage site sequence logo and specificity matrix can be found here.
Cleavage pattern	-/-/-/--/-/-/- (based on 950 cleavages)

Specificity matrix

Amino acid	P4	P3	P2	P1	P1'	P2'	P3'	P4'
Gly	77	54	71	50	65	71	63	70
Pro	66	41	22	11	62	43	48	57
Ala	89	64	78	80	95	63	67	63
Val	79	92	89	92	55	61	66	75
Leu	87	96	84	139	83	129	103	89
Ile	55	53	29	36	19	52	44	53
Met	21	16	20	29	24	14	15	17
Phe	50	39	34	53	32	45	32	35
Tyr	34	25	29	39	33	30	31	20
Trp	22	22	9	29	18	10	18	10
Ser	70	60	71	59	99	54	74	79
Thr	39	46	68	30	52	40	42	55
Cys	5	6	5	4	5	4	6	10
Asn	26	39	43	26	38	34	37	39
Gln	32	31	58	35	35	42	39	28
Asp	22	38	26	62	33	65	53	44
Glu	62	82	69	77	74	77	87	63
Lys	35	62	63	24	59	46	45	57
Arg	39	58	51	48	46	41	47	43
His	24	23	29	27	23	26	21	21