Table 1 Characteristic features of the analyzed pentapeptide categories.

From: Global pentapeptide statistics are far away from expected distributions

Pentapeptide category	abcde	a₂bcd	a₂b₂c	a₃bc	a₃b₂	a₄b	a₅	Total
# different residues	5	4	3	3	2	2	1
# permutation classes, g	15504	19380	3420	3420	380	380	20	42504
# sequences in each class, m	120	60	30	20	10	5	1
# sequences in category, g*m	1860480	1162800	102600	68400	3800	1900	20	3200000
SQ
# peptides	11826966639	10678009933	1474713851	1250343041	137441351	118960963	16794874	25145695663
DM
# peptides	8403194988	7331367618	946224643	761468629	66880015	48819824	2475299	17560431016
% peptides	71.1	68.7	64.2	60.9	48.7	41.0	14.7	69.8
avr. count of peptides per sequence	4517	6305	9222	11133	17600	25695	123765	5488
α = 0.05
# outlier peptides	493138899	424035844	53363368	42424412	4159480	7698699		1024820702
% outlier peptides	5.9	5.8	5.6	5.6	6.2	15.8		5.8
# sequences with high-abundance outliers	53101	39865	4056	2897	203	248		100370
# sequences with low-abundance outliers	0	1	4	12	8	114		139
# sequences with outliers	53101	39866	4060	2909	211	362		100509
% sequences with outliers	2.9	3.4	4.0	4.3	5.6	19.1		3.1
# classes with no outliers	1268	4079	1298	1622	229	204	20	8720
% classes with no outliers	8.2	21.0	38.0	47.4	60.3	53.7		20.5
α = 0.001
# outlier peptides	280213162	220140554	26341865	15042352	1528111	5171988		548438032
# sequences with outliers	23395	15522	1445	814	60	159		41395
# classes with no outliers	4442	9749	2314	2714	322	276	20	19837
ND
# peptides	1945203546	1941405338	318589904	302524159	46571312	47671781	9690386	4611656426
% peptides	16.4	18.2	21.6	24.2	33.9	40.1	57.7	18.1
avr. count of peptides per sequence	1046	1670	3105	4423	12256	25090	484519	1441
α = 0.05
# outlier peptides	65287845	60332804	11852693	10445205	7080780	8322425		163321752
% outlier peptides	3.4	3.1	3.7	3.5	15.2	17.5		3.5
# sequences with high-abundance outliers	45401	31854	3205	2331	255	257		83303
# sequences with low-abundance outliers	0	6	9	19	20	84		138
# sequences with outliers	45401	31860	3214	2350	275	341		83441
% sequences with outliers	2.4	2.7	3.1	3.4	7.2	17.9		2.6
# classes with no outliers	2400	6238	1673	1956	183	215	20	12685
% classes with no outliers	15.5	32.2	48.9	57.2	48.2	56.6		29.8
α = 0.001
# outlier peptides	29230408	23141426	3649728	2180996	4410942	4902831		67516331
# sequences with outliers	17112	10753	884	535	109	164		29557
# classes with no outliers	6940	12430	2713	2951	276	273	20	25603
NN
# peptides	1309190957	1254681724	190474037	170300897	22748621	21599223	4612762	2973608221
% peptides	11.1	11.8	12.9	13.6	16.6	18.2	27.5	11.7
avr. count of peptides per sequence	704	1079	1856	2490	5986	11368	230638	929
α = 0.05
# outlier peptides	27845910	27168059	5035864	4734407	3100618	4456107		72340965
% outlier peptides	2.1	2.2	2.6	2.8	13.6	20.6		2.4
# sequences with high-abundance outliers	28667	21968	2487	1822	304	284		55532
# sequences with low-abundance outliers	1	10	10	18	12	93		144
# sequences with outliers	28668	21978	2497	1840	316	377		55676
% sequences with outliers	1.5	1.9	2.4	2.7	8.3	19.8		1.7
# classes with no outliers	4067	8309	1902	2153	146	202	20	16799
% classes with no outliers	26.2	42.9	55.6	63.0	38.4	53.2		39.5
α = 0.001
# outlier peptides	10275506	8847995	1465607	683925	2104751	2921002		26298786
# sequences with outliers	10017	6975	665	355	156	192		18360
# classes with no outliers	9279	14491	2856	3105	229	259	20	30239

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Table 1 Characteristic features of the analyzed pentapeptide categories.

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