Number of PDB entries of each oligomer type

Oligomer types	Number of Chain Formulas
Monomer	79085	(46.21%)
Homo oligomer	61434	(35.9%)
Hetero oligomer	25415	(14.85%)
No proteins	5210	(3.04%)
Total	171144

Number of Protein Chains

Number of Protein Chains	Homo oligomers		Hetero oligomers		Total
2	39440	(23.04%)	11045	(6.45%)	50485	(29.5%)
3	4455	(2.6%)	3105	(1.81%)	7560	(4.42%)
4	10152	(5.93%)	3745	(2.19%)	13897	(8.12%)
5	709	(0.41%)	507	(0.3%)	1216	(0.71%)
6	3167	(1.85%)	1959	(1.14%)	5126	(3%)
7	148	(0.09%)	263	(0.15%)	411	(0.24%)
8	885	(0.52%)	714	(0.42%)	1599	(0.93%)
9	35	(0.02%)	371	(0.22%)	406	(0.24%)
10	385	(0.22%)	259	(0.15%)	644	(0.38%)
11	33	(0.02%)	81	(0.05%)	114	(0.07%)
12	646	(0.38%)	639	(0.37%)	1285	(0.75%)
13	15	(0.01%)	101	(0.06%)	116	(0.07%)
14	134	(0.08%)	124	(0.07%)	258	(0.15%)
15	15	(0.01%)	67	(0.04%)	82	(0.05%)
16	78	(0.05%)	140	(0.08%)	218	(0.13%)
17	0	(0%)	47	(0.03%)	47	(0.03%)
18	42	(0.02%)	120	(0.07%)	162	(0.09%)
19	2	(0%)	152	(0.09%)	154	(0.09%)
20	17	(0.01%)	116	(0.07%)	133	(0.08%)
21	5	(0%)	61	(0.04%)	66	(0.04%)
22	10	(0.01%)	39	(0.02%)	49	(0.03%)
23	7	(0%)	16	(0.01%)	23	(0.01%)
24	548	(0.32%)	162	(0.09%)	710	(0.41%)
25	1	(0%)	18	(0.01%)	19	(0.01%)
26	4	(0%)	44	(0.03%)	48	(0.03%)
27	0	(0%)	17	(0.01%)	17	(0.01%)
28	5	(0%)	414	(0.24%)	419	(0.24%)
29	2	(0%)	76	(0.04%)	78	(0.05%)
30	5	(0%)	22	(0.01%)	27	(0.02%)
31	1	(0%)	47	(0.03%)	48	(0.03%)
32	4	(0%)	32	(0.02%)	36	(0.02%)
33	2	(0%)	27	(0.02%)	29	(0.02%)
34	9	(0.01%)	29	(0.02%)	38	(0.02%)
35	0	(0%)	26	(0.02%)	26	(0.02%)
36	5	(0%)	29	(0.02%)	34	(0.02%)
37	0	(0%)	14	(0.01%)	14	(0.01%)
38	0	(0%)	11	(0.01%)	11	(0.01%)
39	2	(0%)	18	(0.01%)	20	(0.01%)
40	4	(0%)	10	(0.01%)	14	(0.01%)
41	2	(0%)	4	(0%)	6	(0%)
42	1	(0%)	25	(0.01%)	26	(0.02%)
43	0	(0%)	3	(0%)	3	(0%)
44	2	(0%)	2	(0%)	4	(0%)
45	0	(0%)	7	(0%)	7	(0%)
46	1	(0%)	8	(0%)	9	(0.01%)
47	0	(0%)	2	(0%)	2	(0%)
48	5	(0%)	18	(0.01%)	23	(0.01%)
49	11	(0.01%)	3	(0%)	14	(0.01%)
50	3	(0%)	2	(0%)	5	(0%)
51	1	(0%)	0	(0%)	1	(0%)
52	2	(0%)	15	(0.01%)	17	(0.01%)
53	0	(0%)	2	(0%)	2	(0%)
54	0	(0%)	6	(0%)	6	(0%)
55	0	(0%)	1	(0%)	1	(0%)
57	0	(0%)	1	(0%)	1	(0%)
58	1	(0%)	0	(0%)	1	(0%)
60	158	(0.09%)	1	(0%)	159	(0.09%)
65	1	(0%)	0	(0%)	1	(0%)
68	1	(0%)	0	(0%)	1	(0%)
72	0	(0%)	1	(0%)	1	(0%)
75	1	(0%)	1	(0%)	2	(0%)
78	2	(0%)	0	(0%)	2	(0%)
80	2	(0%)	1	(0%)	3	(0%)
84	1	(0%)	0	(0%)	1	(0%)
90	3	(0%)	0	(0%)	3	(0%)
95	0	(0%)	1	(0%)	1	(0%)
96	2	(0%)	2	(0%)	4	(0%)
100	0	(0%)	2	(0%)	2	(0%)
102	1	(0%)	0	(0%)	1	(0%)
105	0	(0%)	2	(0%)	2	(0%)
106	1	(0%)	0	(0%)	1	(0%)
108	2	(0%)	2	(0%)	4	(0%)
110	0	(0%)	1	(0%)	1	(0%)
111	1	(0%)	0	(0%)	1	(0%)
115	0	(0%)	1	(0%)	1	(0%)
120	19	(0.01%)	30	(0.02%)	49	(0.03%)
132	1	(0%)	0	(0%)	1	(0%)
135	1	(0%)	1	(0%)	2	(0%)
138	0	(0%)	1	(0%)	1	(0%)
150	2	(0%)	0	(0%)	2	(0%)
165	0	(0%)	2	(0%)	2	(0%)
170	0	(0%)	1	(0%)	1	(0%)
175	0	(0%)	1	(0%)	1	(0%)
180	129	(0.08%)	128	(0.07%)	257	(0.15%)
192	0	(0%)	1	(0%)	1	(0%)
208	0	(0%)	2	(0%)	2	(0%)
210	2	(0%)	1	(0%)	3	(0%)
216	0	(0%)	4	(0%)	4	(0%)
230	0	(0%)	1	(0%)	1	(0%)
240	36	(0.02%)	206	(0.12%)	242	(0.14%)
244	0	(0%)	2	(0%)	2	(0%)
276	0	(0%)	1	(0%)	1	(0%)
300	2	(0%)	72	(0.04%)	74	(0.04%)
304	0	(0%)	1	(0%)	1	(0%)
305	0	(0%)	1	(0%)	1	(0%)
360	17	(0.01%)	56	(0.03%)	73	(0.04%)
420	32	(0.02%)	11	(0.01%)	43	(0.03%)
480	1	(0%)	20	(0.01%)	21	(0.01%)
540	3	(0%)	6	(0%)	9	(0.01%)
600	1	(0%)	14	(0.01%)	15	(0.01%)
704	0	(0%)	1	(0%)	1	(0%)
720	4	(0%)	15	(0.01%)	19	(0.01%)
780	6	(0%)	5	(0%)	11	(0.01%)
840	0	(0%)	12	(0.01%)	12	(0.01%)
900	0	(0%)	5	(0%)	5	(0%)
960	0	(0%)	13	(0.01%)	13	(0.01%)
1020	0	(0%)	1	(0%)	1	(0%)
1080	0	(0%)	3	(0%)	3	(0%)
1200	0	(0%)	5	(0%)	5	(0%)
1440	0	(0%)	1	(0%)	1	(0%)
1500	0	(0%)	2	(0%)	2	(0%)
1560	0	(0%)	1	(0%)	1	(0%)
1620	0	(0%)	1	(0%)	1	(0%)
1680	0	(0%)	3	(0%)	3	(0%)
1860	0	(0%)	1	(0%)	1	(0%)
2100	0	(0%)	1	(0%)	1	(0%)
2580	0	(0%)	1	(0%)	1	(0%)
5040	1	(0%)	0	(0%)	1	(0%)