Analysis of interatomic Contacts of Structural Units in PDB entry:
2DCN

Contacts of Structural Units (CSU) are derived with the CSU software (Sobolev V., Sorokine A., Prilusky J., Abola E.E. and Edelman M. (1999) Automated analysis of interatomic contacts in proteins. Bioinformatics, 15, 327-332).
This page provides analyses of contacts formed by:

chains
helices
sheets
residues

For analysis of ligand-protein contacts, use:

LPC software

3D structure can be seen in additional window with STING software for 2DCN entry

There are 12 chains in PDB entry 2DCN (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	ALA 2	MET 309
B	ALA 2	MET 309
C	ALA 2	MET 309
D	ALA 2	MET 309
E	ALA 2	MET 309
F	ALA 2	MET 309
G	ALA 2	MET 309
H	ALA 2	MET 309
I	ALA 2	MET 309
J	ALA 2	MET 309
K	ALA 2	MET 309
L	ALA 2	MET 309

There are168 helices in PDB entry 2DCN. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	21	25	Right-handed 310
Helix 2	2	A	34	46	Right-handed alpha
Helix 3	3	A	59	72	Right-handed alpha
Helix 4	4	A	112	116	Right-handed 310
Helix 5	5	A	117	121	Right-handed 310
Helix 6	6	A	122	127	Right-handed alpha
Helix 7	7	A	136	141	Right-handed alpha
Helix 8	8	A	142	156	Right-handed alpha
Helix 9	9	A	171	186	Right-handed alpha
Helix 10	10	A	195	203	Right-handed alpha
Helix 11	11	A	206	215	Right-handed alpha
Helix 12	12	A	253	267	Right-handed alpha
Helix 13	13	A	271	287	Right-handed alpha
Helix 14	14	A	298	309	Right-handed alpha
Helix 15	15	B	21	25	Right-handed 310
Helix 16	16	B	34	46	Right-handed alpha
Helix 17	17	B	59	72	Right-handed alpha
Helix 18	18	B	112	116	Right-handed 310
Helix 19	19	B	117	121	Right-handed 310
Helix 20	20	B	122	128	Right-handed alpha
Helix 21	21	B	136	142	Right-handed alpha
Helix 22	22	B	142	156	Right-handed alpha
Helix 23	23	B	171	186	Right-handed alpha
Helix 24	24	B	195	203	Right-handed alpha
Helix 25	25	B	206	215	Right-handed alpha
Helix 26	26	B	253	268	Right-handed alpha
Helix 27	27	B	271	287	Right-handed alpha
Helix 28	28	B	298	309	Right-handed alpha
Helix 29	29	C	21	25	Right-handed 310
Helix 30	30	C	34	46	Right-handed alpha
Helix 31	31	C	59	73	Right-handed alpha
Helix 32	32	C	112	116	Right-handed 310
Helix 33	33	C	117	121	Right-handed 310
Helix 34	34	C	122	128	Right-handed alpha
Helix 35	35	C	136	142	Right-handed alpha
Helix 36	36	C	142	156	Right-handed alpha
Helix 37	37	C	171	186	Right-handed alpha
Helix 38	38	C	195	203	Right-handed alpha
Helix 39	39	C	206	215	Right-handed alpha
Helix 40	40	C	253	268	Right-handed alpha
Helix 41	41	C	271	287	Right-handed alpha
Helix 42	42	C	298	309	Right-handed alpha
Helix 43	43	D	21	25	Right-handed 310
Helix 44	44	D	34	46	Right-handed alpha
Helix 45	45	D	59	72	Right-handed alpha
Helix 46	46	D	112	116	Right-handed 310
Helix 47	47	D	117	121	Right-handed 310
Helix 48	48	D	122	129	Right-handed alpha
Helix 49	49	D	136	142	Right-handed alpha
Helix 50	50	D	142	156	Right-handed alpha
Helix 51	51	D	171	186	Right-handed alpha
Helix 52	52	D	195	203	Right-handed alpha
Helix 53	53	D	206	215	Right-handed alpha
Helix 54	54	D	253	268	Right-handed alpha
Helix 55	55	D	271	287	Right-handed alpha
Helix 56	56	D	298	308	Right-handed alpha
Helix 57	57	E	21	25	Right-handed 310
Helix 58	58	E	34	46	Right-handed alpha
Helix 59	59	E	59	72	Right-handed alpha
Helix 60	60	E	112	116	Right-handed 310
Helix 61	61	E	117	121	Right-handed 310
Helix 62	62	E	122	128	Right-handed alpha
Helix 63	63	E	136	142	Right-handed alpha
Helix 64	64	E	142	156	Right-handed alpha
Helix 65	65	E	171	186	Right-handed alpha
Helix 66	66	E	195	203	Right-handed alpha
Helix 67	67	E	206	215	Right-handed alpha
Helix 68	68	E	253	269	Right-handed alpha
Helix 69	69	E	271	288	Right-handed alpha
Helix 70	70	E	298	308	Right-handed alpha
Helix 71	71	F	21	25	Right-handed 310
Helix 72	72	F	34	46	Right-handed alpha
Helix 73	73	F	59	73	Right-handed alpha
Helix 74	74	F	112	116	Right-handed 310
Helix 75	75	F	117	121	Right-handed 310
Helix 76	76	F	122	128	Right-handed alpha
Helix 77	77	F	136	142	Right-handed alpha
Helix 78	78	F	142	156	Right-handed alpha
Helix 79	79	F	171	186	Right-handed alpha
Helix 80	80	F	195	203	Right-handed alpha
Helix 81	81	F	206	215	Right-handed alpha
Helix 82	82	F	253	268	Right-handed alpha
Helix 83	83	F	271	287	Right-handed alpha
Helix 84	84	F	298	309	Right-handed alpha
Helix 85	85	G	21	25	Right-handed 310
Helix 86	86	G	34	46	Right-handed alpha
Helix 87	87	G	59	72	Right-handed alpha
Helix 88	88	G	112	116	Right-handed 310
Helix 89	89	G	117	121	Right-handed 310
Helix 90	90	G	122	127	Right-handed alpha
Helix 91	91	G	136	142	Right-handed alpha
Helix 92	92	G	142	156	Right-handed alpha
Helix 93	93	G	171	186	Right-handed alpha
Helix 94	94	G	195	203	Right-handed alpha
Helix 95	95	G	206	215	Right-handed alpha
Helix 96	96	G	253	268	Right-handed alpha
Helix 97	97	G	271	287	Right-handed alpha
Helix 98	98	G	298	309	Right-handed alpha
Helix 99	99	H	21	25	Right-handed 310
Helix 100	100	H	34	46	Right-handed alpha
Helix 101	101	H	59	72	Right-handed alpha
Helix 102	102	H	112	116	Right-handed 310
Helix 103	103	H	117	121	Right-handed 310
Helix 104	104	H	122	127	Right-handed alpha
Helix 105	105	H	136	141	Right-handed alpha
Helix 106	106	H	142	156	Right-handed alpha
Helix 107	107	H	171	186	Right-handed alpha
Helix 108	108	H	195	203	Right-handed alpha
Helix 109	109	H	206	215	Right-handed alpha
Helix 110	110	H	253	268	Right-handed alpha
Helix 111	111	H	271	287	Right-handed alpha
Helix 112	112	H	298	309	Right-handed alpha
Helix 113	113	I	21	25	Right-handed 310
Helix 114	114	I	34	45	Right-handed alpha
Helix 115	115	I	59	73	Right-handed alpha
Helix 116	116	I	112	116	Right-handed 310
Helix 117	117	I	117	121	Right-handed 310
Helix 118	118	I	122	128	Right-handed alpha
Helix 119	119	I	136	142	Right-handed alpha
Helix 120	120	I	142	156	Right-handed alpha
Helix 121	121	I	171	186	Right-handed alpha
Helix 122	122	I	195	203	Right-handed alpha
Helix 123	123	I	206	215	Right-handed alpha
Helix 124	124	I	253	268	Right-handed alpha
Helix 125	125	I	271	287	Right-handed alpha
Helix 126	126	I	298	309	Right-handed alpha
Helix 127	127	J	21	25	Right-handed 310
Helix 128	128	J	34	46	Right-handed alpha
Helix 129	129	J	59	72	Right-handed alpha
Helix 130	130	J	111	116	Right-handed 310
Helix 131	131	J	117	121	Right-handed 310
Helix 132	132	J	122	128	Right-handed alpha
Helix 133	133	J	136	142	Right-handed alpha
Helix 134	134	J	142	156	Right-handed alpha
Helix 135	135	J	171	186	Right-handed alpha
Helix 136	136	J	195	203	Right-handed alpha
Helix 137	137	J	206	215	Right-handed alpha
Helix 138	138	J	253	268	Right-handed alpha
Helix 139	139	J	271	288	Right-handed alpha
Helix 140	140	J	298	308	Right-handed alpha
Helix 141	141	K	21	25	Right-handed 310
Helix 142	142	K	34	46	Right-handed alpha
Helix 143	143	K	59	72	Right-handed alpha
Helix 144	144	K	112	116	Right-handed 310
Helix 145	145	K	117	121	Right-handed 310
Helix 146	146	K	122	128	Right-handed alpha
Helix 147	147	K	136	142	Right-handed alpha
Helix 148	148	K	142	156	Right-handed alpha
Helix 149	149	K	171	186	Right-handed alpha
Helix 150	150	K	195	203	Right-handed alpha
Helix 151	151	K	206	215	Right-handed alpha
Helix 152	152	K	253	268	Right-handed alpha
Helix 153	153	K	271	287	Right-handed alpha
Helix 154	154	K	298	308	Right-handed alpha
Helix 155	155	L	21	25	Right-handed 310
Helix 156	156	L	34	46	Right-handed alpha
Helix 157	157	L	59	72	Right-handed alpha
Helix 158	158	L	112	116	Right-handed 310
Helix 159	159	L	117	121	Right-handed 310
Helix 160	160	L	122	129	Right-handed alpha
Helix 161	161	L	136	142	Right-handed alpha
Helix 162	162	L	142	156	Right-handed alpha
Helix 163	163	L	171	186	Right-handed alpha
Helix 164	164	L	195	203	Right-handed alpha
Helix 165	165	L	206	215	Right-handed alpha
Helix 166	166	L	253	268	Right-handed alpha
Helix 167	167	L	271	287	Right-handed alpha
Helix 168	168	L	298	309	Right-handed alpha

There are 30 sheets in PDB entry 2DCN. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z, AA, AB, AC, AD,

There are 8 strands in A sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	49	53	first strand
Strand 2	A	3	7	parallel
Strand 3	A	131	135	parallel
Strand 4	A	159	162	parallel
Strand 5	A	188	194	parallel
Strand 6	A	218	226	parallel
Strand 7	A	229	234	anti-parallel
Strand 8	A	237	242	anti-parallel

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There are 8 strands in B sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	102	107	first strand
Strand 2	A	89	94	anti-parallel
Strand 3	A	11	16	parallel
Strand 4	A	27	33	anti-parallel
Strand 5	B	27	33	anti-parallel
Strand 6	B	11	16	anti-parallel
Strand 7	B	89	94	parallel
Strand 8	B	102	107	anti-parallel

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There are 2 strands in C sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	55	57	first strand
Strand 2	A	80	82	parallel

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There are 8 strands in D sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	49	53	first strand
Strand 2	B	3	7	parallel
Strand 3	B	131	135	parallel
Strand 4	B	159	162	parallel
Strand 5	B	188	194	parallel
Strand 6	B	218	224	parallel
Strand 7	B	229	234	anti-parallel
Strand 8	B	237	242	anti-parallel

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There are 2 strands in E sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	55	57	first strand
Strand 2	B	80	82	parallel

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There are 8 strands in F sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	49	53	first strand
Strand 2	C	3	7	parallel
Strand 3	C	131	135	parallel
Strand 4	C	159	162	parallel
Strand 5	C	188	194	parallel
Strand 6	C	218	224	parallel
Strand 7	C	229	234	anti-parallel
Strand 8	C	237	242	anti-parallel

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There are 8 strands in G sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	102	107	first strand
Strand 2	C	88	94	anti-parallel
Strand 3	C	11	16	parallel
Strand 4	C	27	33	anti-parallel
Strand 5	D	27	33	anti-parallel
Strand 6	D	11	16	anti-parallel
Strand 7	D	89	94	parallel
Strand 8	D	102	107	anti-parallel

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There are 2 strands in H sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	55	57	first strand
Strand 2	C	80	82	parallel

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There are 8 strands in I sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	49	53	first strand
Strand 2	D	3	7	parallel
Strand 3	D	131	135	parallel
Strand 4	D	159	162	parallel
Strand 5	D	188	194	parallel
Strand 6	D	218	224	parallel
Strand 7	D	229	234	anti-parallel
Strand 8	D	237	242	anti-parallel

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There are 2 strands in J sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	55	57	first strand
Strand 2	D	80	82	parallel

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There are 8 strands in K sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	49	53	first strand
Strand 2	E	3	7	parallel
Strand 3	E	131	135	parallel
Strand 4	E	159	162	parallel
Strand 5	E	188	194	parallel
Strand 6	E	218	224	parallel
Strand 7	E	229	234	anti-parallel
Strand 8	E	237	242	anti-parallel

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There are 8 strands in L sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	102	107	first strand
Strand 2	E	89	94	anti-parallel
Strand 3	E	11	16	parallel
Strand 4	E	27	33	anti-parallel
Strand 5	F	27	33	anti-parallel
Strand 6	F	11	16	anti-parallel
Strand 7	F	89	94	parallel
Strand 8	F	102	107	anti-parallel

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There are 2 strands in M sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	55	57	first strand
Strand 2	E	80	82	parallel

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There are 8 strands in N sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	49	53	first strand
Strand 2	F	3	7	parallel
Strand 3	F	131	135	parallel
Strand 4	F	159	162	parallel
Strand 5	F	188	194	parallel
Strand 6	F	218	226	parallel
Strand 7	F	229	234	anti-parallel
Strand 8	F	237	242	anti-parallel

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There are 2 strands in O sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	55	57	first strand
Strand 2	F	80	82	parallel

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There are 8 strands in P sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	49	53	first strand
Strand 2	G	3	7	parallel
Strand 3	G	131	135	parallel
Strand 4	G	159	162	parallel
Strand 5	G	188	194	parallel
Strand 6	G	218	226	parallel
Strand 7	G	229	234	anti-parallel
Strand 8	G	237	242	anti-parallel

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There are 8 strands in Q sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	102	107	first strand
Strand 2	G	89	94	anti-parallel
Strand 3	G	11	16	parallel
Strand 4	G	27	33	anti-parallel
Strand 5	H	27	33	anti-parallel
Strand 6	H	11	16	anti-parallel
Strand 7	H	89	94	parallel
Strand 8	H	102	107	anti-parallel

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There are 2 strands in R sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	55	57	first strand
Strand 2	G	80	82	parallel

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There are 8 strands in S sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	49	53	first strand
Strand 2	H	3	7	parallel
Strand 3	H	131	135	parallel
Strand 4	H	159	162	parallel
Strand 5	H	188	194	parallel
Strand 6	H	218	224	parallel
Strand 7	H	229	234	anti-parallel
Strand 8	H	237	242	anti-parallel

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There are 2 strands in T sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	55	57	first strand
Strand 2	H	80	82	parallel

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There are 8 strands in U sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	49	53	first strand
Strand 2	I	3	7	parallel
Strand 3	I	131	135	parallel
Strand 4	I	159	162	parallel
Strand 5	I	188	194	parallel
Strand 6	I	218	226	parallel
Strand 7	I	229	234	anti-parallel
Strand 8	I	237	242	anti-parallel

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There are 8 strands in V sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	102	107	first strand
Strand 2	I	89	94	anti-parallel
Strand 3	I	11	16	parallel
Strand 4	I	27	33	anti-parallel
Strand 5	J	27	33	anti-parallel
Strand 6	J	11	16	anti-parallel
Strand 7	J	89	94	parallel
Strand 8	J	102	107	anti-parallel

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There are 2 strands in W sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	55	57	first strand
Strand 2	I	80	82	parallel

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There are 8 strands in X sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	49	53	first strand
Strand 2	J	3	7	parallel
Strand 3	J	131	135	parallel
Strand 4	J	159	162	parallel
Strand 5	J	188	194	parallel
Strand 6	J	218	224	parallel
Strand 7	J	229	234	anti-parallel
Strand 8	J	237	242	anti-parallel

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There are 2 strands in Y sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	55	57	first strand
Strand 2	J	80	82	parallel

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There are 8 strands in Z sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	49	53	first strand
Strand 2	K	3	7	parallel
Strand 3	K	131	135	parallel
Strand 4	K	159	162	parallel
Strand 5	K	188	194	parallel
Strand 6	K	218	224	parallel
Strand 7	K	229	234	anti-parallel
Strand 8	K	237	242	anti-parallel

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There are 8 strands in AA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	102	107	first strand
Strand 2	K	89	94	anti-parallel
Strand 3	K	11	16	parallel
Strand 4	K	27	33	anti-parallel
Strand 5	L	27	33	anti-parallel
Strand 6	L	11	16	anti-parallel
Strand 7	L	89	94	parallel
Strand 8	L	102	107	anti-parallel

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There are 2 strands in AB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	55	57	first strand
Strand 2	K	80	82	parallel

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There are 8 strands in AC sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	49	53	first strand
Strand 2	L	3	7	parallel
Strand 3	L	131	135	parallel
Strand 4	L	159	162	parallel
Strand 5	L	188	194	parallel
Strand 6	L	218	226	parallel
Strand 7	L	229	234	anti-parallel
Strand 8	L	237	242	anti-parallel

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There are 2 strands in AD sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	55	57	first strand
Strand 2	L	80	82	parallel

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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il

Analysis of interatomic Contacts of Structural Units in PDB entry: 2DCN

Analysis of interatomic Contacts of Structural Units in PDB entry:
2DCN