Analysis of interatomic Contacts of Structural Units in PDB entry:
3CWB

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 3CWB entry

There are 20 chains in PDB entry 3CWB (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	ALA 2	ILE 444
B	PRO 19	LEU 439
C	MET 1	TYR 380
D	GLY 1	LYS 241
E	VAL 1	GLY 196
F	GLY 10	LYS 109
G	GLY 1	GLN 81
H	GLU 9	LYS 78
I	UNK 20	ARG 77
J	ALA 4	GLU 64
N	THR 3	ILE 444
O	CYS 18	LEU 439
P	ALA 2	TYR 380
Q	GLY 1	LYS 241
R	VAL 1	GLY 196
S	GLY 10	LYS 109
T	GLY 1	ASN 79
U	GLU 12	LYS 78
V	UNK 20	ARG 77
W	ALA 4	SER 62

There are185 helices in PDB entry 3CWB. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	3	11	Right-handed alpha
Helix 2	2	A	44	48	Right-handed 310
Helix 3	3	A	54	63	Right-handed alpha
Helix 4	4	A	71	81	Right-handed alpha
Helix 5	5	A	105	118	Right-handed alpha
Helix 6	6	A	123	142	Right-handed alpha
Helix 7	7	A	144	158	Right-handed alpha
Helix 8	8	A	170	177	Right-handed alpha
Helix 9	9	A	178	190	Right-handed alpha
Helix 10	10	A	191	194	Right-handed 310
Helix 11	11	A	204	216	Right-handed alpha
Helix 12	12	A	222	227	Right-handed 310
Helix 13	13	A	265	278	Right-handed alpha
Helix 14	14	A	286	290	Right-handed 310
Helix 15	15	A	292	301	Right-handed alpha
Helix 16	16	A	330	349	Right-handed alpha
Helix 17	17	A	350	367	Right-handed alpha
Helix 18	18	A	368	370	Right-handed 310
Helix 19	19	A	371	386	Right-handed alpha
Helix 20	20	A	391	402	Right-handed alpha
Helix 21	21	A	403	415	Right-handed alpha
Helix 22	22	A	433	439	Right-handed alpha
Helix 23	23	A	440	442	Right-handed 310
Helix 24	24	B	59	63	Right-handed 310
Helix 25	25	B	64	72	Right-handed alpha
Helix 26	26	B	81	91	Right-handed alpha
Helix 27	27	B	115	129	Right-handed alpha
Helix 28	28	B	133	139	Right-handed alpha
Helix 29	29	B	141	152	Right-handed alpha
Helix 30	30	B	154	167	Right-handed alpha
Helix 31	31	B	170	174	Right-handed 310
Helix 32	32	B	187	197	Right-handed alpha
Helix 33	33	B	200	202	Right-handed 310
Helix 34	34	B	212	224	Right-handed alpha
Helix 35	35	B	268	280	Right-handed alpha
Helix 36	36	B	293	301	Right-handed alpha
Helix 37	37	B	332	349	Right-handed alpha
Helix 38	38	B	355	371	Right-handed alpha
Helix 39	39	B	374	389	Right-handed alpha
Helix 40	40	B	394	404	Right-handed alpha
Helix 41	41	B	406	420	Right-handed alpha
Helix 42	42	B	435	439	Right-handed 310
Helix 43	43	C	11	19	Right-handed alpha
Helix 44	44	C	33	54	Right-handed alpha
Helix 45	45	C	62	74	Right-handed alpha
Helix 46	46	C	76	105	Right-handed alpha
Helix 47	47	C	106	109	Right-handed 310
Helix 48	48	C	110	134	Right-handed alpha
Helix 49	49	C	137	149	Right-handed alpha
Helix 50	50	C	150	154	Right-handed 310
Helix 51	51	C	156	167	Right-handed alpha
Helix 52	52	C	172	205	Right-handed alpha
Helix 53	53	C	221	247	Right-handed alpha
Helix 54	54	C	254	258	Right-handed 310
Helix 55	55	C	272	274	Right-handed 310
Helix 56	56	C	275	285	Right-handed alpha
Helix 57	57	C	287	301	Right-handed alpha
Helix 58	58	C	302	309	Right-handed 310
Helix 59	59	C	315	318	Right-handed 310
Helix 60	60	C	319	342	Right-handed alpha
Helix 61	61	C	347	365	Right-handed alpha
Helix 62	62	C	365	378	Right-handed alpha
Helix 63	63	D	22	36	Right-handed alpha
Helix 64	64	D	37	40	Right-handed 310
Helix 65	65	D	47	52	Right-handed alpha
Helix 66	66	D	57	67	Right-handed alpha
Helix 67	67	D	97	104	Right-handed alpha
Helix 68	68	D	115	120	Right-handed alpha
Helix 69	69	D	123	134	Right-handed alpha
Helix 70	70	D	178	195	Right-handed alpha
Helix 71	71	D	197	233	Right-handed alpha
Helix 72	72	E	15	19	Right-handed 310
Helix 73	73	E	28	61	Right-handed alpha
Helix 74	74	E	77	81	Right-handed 310
Helix 75	75	E	102	107	Right-handed alpha
Helix 76	76	F	11	25	Right-handed alpha
Helix 77	77	F	26	30	Right-handed 310
Helix 78	78	F	32	36	Right-handed 310
Helix 79	79	F	40	50	Right-handed alpha
Helix 80	80	F	51	72	Right-handed alpha
Helix 81	81	F	76	80	Right-handed 310
Helix 82	82	F	82	86	Right-handed 310
Helix 83	83	F	90	108	Right-handed alpha
Helix 84	84	G	20	23	Right-handed 310
Helix 85	85	G	32	69	Right-handed alpha
Helix 86	86	G	73	77	Right-handed 310
Helix 87	87	H	15	25	Right-handed alpha
Helix 88	88	H	27	46	Right-handed alpha
Helix 89	89	H	54	77	Right-handed alpha
Helix 90	90	J	4	13	Right-handed alpha
Helix 91	91	J	16	47	Right-handed alpha
Helix 92	92	J	51	56	Right-handed alpha
Helix 93	93	J	57	59	Right-handed 310
Helix 94	94	N	3	11	Right-handed alpha
Helix 95	95	N	44	48	Right-handed 310
Helix 96	96	N	54	63	Right-handed alpha
Helix 97	97	N	71	81	Right-handed alpha
Helix 98	98	N	105	118	Right-handed alpha
Helix 99	99	N	123	142	Right-handed alpha
Helix 100	100	N	144	158	Right-handed alpha
Helix 101	101	N	170	177	Right-handed alpha
Helix 102	102	N	178	190	Right-handed alpha
Helix 103	103	N	191	194	Right-handed 310
Helix 104	104	N	204	216	Right-handed alpha
Helix 105	105	N	222	227	Right-handed 310
Helix 106	106	N	265	278	Right-handed alpha
Helix 107	107	N	286	290	Right-handed 310
Helix 108	108	N	292	301	Right-handed alpha
Helix 109	109	N	330	349	Right-handed alpha
Helix 110	110	N	350	367	Right-handed alpha
Helix 111	111	N	368	370	Right-handed 310
Helix 112	112	N	371	387	Right-handed alpha
Helix 113	113	N	391	402	Right-handed alpha
Helix 114	114	N	403	415	Right-handed alpha
Helix 115	115	N	433	440	Right-handed alpha
Helix 116	116	O	59	63	Right-handed 310
Helix 117	117	O	64	72	Right-handed alpha
Helix 118	118	O	81	91	Right-handed alpha
Helix 119	119	O	115	129	Right-handed alpha
Helix 120	120	O	133	139	Right-handed alpha
Helix 121	121	O	141	152	Right-handed alpha
Helix 122	122	O	154	167	Right-handed alpha
Helix 123	123	O	170	174	Right-handed 310
Helix 124	124	O	187	197	Right-handed alpha
Helix 125	125	O	200	202	Right-handed 310
Helix 126	126	O	212	224	Right-handed alpha
Helix 127	127	O	267	280	Right-handed alpha
Helix 128	128	O	293	301	Right-handed alpha
Helix 129	129	O	332	349	Right-handed alpha
Helix 130	130	O	355	371	Right-handed alpha
Helix 131	131	O	374	389	Right-handed alpha
Helix 132	132	O	394	404	Right-handed alpha
Helix 133	133	O	406	420	Right-handed alpha
Helix 134	134	O	435	439	Right-handed 310
Helix 135	135	P	11	20	Right-handed alpha
Helix 136	136	P	33	54	Right-handed alpha
Helix 137	137	P	62	74	Right-handed alpha
Helix 138	138	P	76	105	Right-handed alpha
Helix 139	139	P	106	109	Right-handed 310
Helix 140	140	P	110	134	Right-handed alpha
Helix 141	141	P	137	150	Right-handed alpha
Helix 142	142	P	151	154	Right-handed 310
Helix 143	143	P	156	167	Right-handed alpha
Helix 144	144	P	172	205	Right-handed alpha
Helix 145	145	P	221	247	Right-handed alpha
Helix 146	146	P	254	258	Right-handed 310
Helix 147	147	P	272	274	Right-handed 310
Helix 148	148	P	275	285	Right-handed alpha
Helix 149	149	P	287	301	Right-handed alpha
Helix 150	150	P	302	308	Right-handed 310
Helix 151	151	P	315	318	Right-handed 310
Helix 152	152	P	319	342	Right-handed alpha
Helix 153	153	P	347	365	Right-handed alpha
Helix 154	154	P	365	377	Right-handed alpha
Helix 155	155	Q	22	36	Right-handed alpha
Helix 156	156	Q	47	52	Right-handed alpha
Helix 157	157	Q	57	67	Right-handed alpha
Helix 158	158	Q	97	104	Right-handed alpha
Helix 159	159	Q	115	120	Right-handed alpha
Helix 160	160	Q	123	133	Right-handed alpha
Helix 161	161	Q	178	195	Right-handed alpha
Helix 162	162	Q	197	233	Right-handed alpha
Helix 163	163	R	15	19	Right-handed 310
Helix 164	164	R	28	61	Right-handed alpha
Helix 165	165	R	102	107	Right-handed alpha
Helix 166	166	R	108	111	Right-handed 310
Helix 167	167	R	122	126	Right-handed 310
Helix 168	168	S	12	25	Right-handed alpha
Helix 169	169	S	26	30	Right-handed 310
Helix 170	170	S	32	36	Right-handed 310
Helix 171	171	S	40	50	Right-handed alpha
Helix 172	172	S	51	72	Right-handed alpha
Helix 173	173	S	76	80	Right-handed 310
Helix 174	174	S	90	108	Right-handed alpha
Helix 175	175	T	20	23	Right-handed 310
Helix 176	176	T	32	69	Right-handed alpha
Helix 177	177	T	73	77	Right-handed 310
Helix 178	178	U	15	25	Right-handed alpha
Helix 179	179	U	27	46	Right-handed alpha
Helix 180	180	U	54	77	Right-handed alpha
Helix 181	181	V	51	55	Right-handed 310
Helix 182	182	W	4	13	Right-handed alpha
Helix 183	183	W	16	47	Right-handed alpha
Helix 184	184	W	51	56	Right-handed alpha
Helix 185	185	W	57	59	Right-handed 310

There are 24 sheets in PDB entry 3CWB. 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,

There are 6 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	15	18	first strand
Strand 2	A	24	29	anti-parallel
Strand 3	A	196	201	parallel
Strand 4	A	34	39	anti-parallel
Strand 5	A	95	102	anti-parallel
Strand 6	A	85	90	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	280	281	first strand
Strand 2	A	306	313	anti-parallel
Strand 3	A	318	326	anti-parallel
Strand 4	A	251	258	anti-parallel
Strand 5	A	421	426	anti-parallel
Strand 6	A	239	245	parallel
Strand 7	G	11	18	anti-parallel
Strand 8	D	234	237	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	B	26	28	first strand
Strand 2	B	34	36	anti-parallel

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There are 3 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	204	205	first strand
Strand 2	B	44	51	anti-parallel
Strand 3	B	208	209	anti-parallel

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There are 5 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	204	205	first strand
Strand 2	B	44	51	anti-parallel
Strand 3	B	105	112	anti-parallel
Strand 4	B	95	100	anti-parallel
Strand 5	I	66	69	anti-parallel

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There are 5 strands in F sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	243	244	first strand
Strand 2	B	422	425	parallel
Strand 3	B	252	260	anti-parallel
Strand 4	B	319	329	anti-parallel
Strand 5	B	308	316	anti-parallel

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There are 2 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	23	25	first strand
Strand 2	C	218	220	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	D	69	72	first strand
Strand 2	D	81	84	anti-parallel

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There are 2 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	148	149	first strand
Strand 2	D	157	158	anti-parallel

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There are 3 strands in J sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	86	88	first strand
Strand 2	E	97	100	anti-parallel
Strand 3	E	132	135	anti-parallel

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There are 4 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	147	148	first strand
Strand 2	E	156	157	anti-parallel
Strand 3	E	164	165	anti-parallel
Strand 4	E	171	173	anti-parallel

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There are 2 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	185	187	first strand
Strand 2	E	193	195	anti-parallel

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There are 6 strands in M sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	15	18	first strand
Strand 2	N	24	29	anti-parallel
Strand 3	N	196	201	parallel
Strand 4	N	34	39	anti-parallel
Strand 5	N	95	102	anti-parallel
Strand 6	N	85	90	anti-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	N	280	281	first strand
Strand 2	N	306	313	anti-parallel
Strand 3	N	318	326	anti-parallel
Strand 4	N	251	258	anti-parallel
Strand 5	N	421	426	anti-parallel
Strand 6	N	239	245	parallel
Strand 7	T	11	18	anti-parallel
Strand 8	Q	234	237	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	O	26	28	first strand
Strand 2	O	34	36	anti-parallel

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There are 3 strands in P sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	O	204	205	first strand
Strand 2	O	44	51	anti-parallel
Strand 3	O	208	209	anti-parallel

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There are 5 strands in Q sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	O	204	205	first strand
Strand 2	O	44	51	anti-parallel
Strand 3	O	105	112	anti-parallel
Strand 4	O	95	100	anti-parallel
Strand 5	V	66	69	anti-parallel

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There are 5 strands in R sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	O	243	244	first strand
Strand 2	O	422	427	parallel
Strand 3	O	252	260	anti-parallel
Strand 4	O	319	329	anti-parallel
Strand 5	O	307	316	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	P	23	25	first strand
Strand 2	P	218	220	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	Q	69	72	first strand
Strand 2	Q	81	84	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	Q	148	149	first strand
Strand 2	Q	157	158	anti-parallel

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There are 3 strands in V sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	R	86	88	first strand
Strand 2	R	97	100	anti-parallel
Strand 3	R	132	135	anti-parallel

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There are 4 strands in W sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	R	147	148	first strand
Strand 2	R	156	157	anti-parallel
Strand 3	R	164	165	anti-parallel
Strand 4	R	171	173	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	R	186	187	first strand
Strand 2	R	193	194	anti-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: 3CWB

Analysis of interatomic Contacts of Structural Units in PDB entry:
3CWB