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

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 2ICW entry

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

Chain ID	Initial residue	Terminal residue
A	GLU 3	ASP 181
B	GLY 1	ALA 190
C	PRO 306	THR 318
D	GLU 3	ASP 181
E	GLY 1	ALA 190
F	PRO 306	THR 318
G	MET 1	ASP 213
H	MET 1	ASP 213
I	GLN 1	LEU 110
J	GLU 1	ALA 113
K	SER 2	LEU 110
L	ALA 3	ALA 113

There are 40 helices in PDB entry 2ICW. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	47	52	Right-handed alpha
Helix 2	2	A	56	77	Right-handed alpha
Helix 3	3	B	51	53	Right-handed 310
Helix 4	4	B	54	63	Right-handed alpha
Helix 5	5	B	64	73	Right-handed alpha
Helix 6	6	B	73	78	Right-handed alpha
Helix 7	7	B	78	87	Right-handed alpha
Helix 8	8	B	88	90	Right-handed 310
Helix 9	9	D	47	52	Right-handed alpha
Helix 10	10	D	56	77	Right-handed alpha
Helix 11	11	E	51	53	Right-handed 310
Helix 12	12	E	54	63	Right-handed alpha
Helix 13	13	E	64	73	Right-handed alpha
Helix 14	14	E	73	78	Right-handed alpha
Helix 15	15	E	78	87	Right-handed alpha
Helix 16	16	E	88	90	Right-handed 310
Helix 17	17	G	25	34	Right-handed alpha
Helix 18	18	G	38	67	Right-handed alpha
Helix 19	19	G	71	93	Right-handed alpha
Helix 20	20	G	96	123	Right-handed alpha
Helix 21	21	G	125	145	Right-handed alpha
Helix 22	22	G	157	168	Right-handed alpha
Helix 23	23	G	170	176	Right-handed alpha
Helix 24	24	G	176	195	Right-handed alpha
Helix 25	25	G	197	203	Right-handed 310
Helix 26	26	G	204	211	Right-handed alpha
Helix 27	27	H	25	34	Right-handed alpha
Helix 28	28	H	38	67	Right-handed alpha
Helix 29	29	H	71	93	Right-handed alpha
Helix 30	30	H	96	123	Right-handed alpha
Helix 31	31	H	125	145	Right-handed alpha
Helix 32	32	H	157	168	Right-handed alpha
Helix 33	33	H	170	176	Right-handed alpha
Helix 34	34	H	176	195	Right-handed alpha
Helix 35	35	H	197	203	Right-handed 310
Helix 36	36	H	204	211	Right-handed alpha
Helix 37	37	I	81	85	Right-handed 310
Helix 38	38	J	82	86	Right-handed 310
Helix 39	39	K	81	85	Right-handed 310
Helix 40	40	L	82	86	Right-handed 310

There are 26 sheets in PDB entry 2ICW. 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,

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	41	43	first strand
Strand 2	A	29	34	anti-parallel
Strand 3	A	19	26	anti-parallel
Strand 4	A	5	15	anti-parallel
Strand 5	B	7	18	anti-parallel
Strand 6	B	23	32	anti-parallel
Strand 7	B	35	41	anti-parallel
Strand 8	B	47	49	anti-parallel

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There are 4 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	88	93	first strand
Strand 2	A	103	112	anti-parallel
Strand 3	A	145	153	anti-parallel
Strand 4	A	133	134	anti-parallel

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There are 4 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	88	93	first strand
Strand 2	A	103	112	anti-parallel
Strand 3	A	145	153	anti-parallel
Strand 4	A	138	139	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	126	128	first strand
Strand 2	A	118	123	anti-parallel
Strand 3	A	160	166	anti-parallel
Strand 4	A	174	179	anti-parallel

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There are 4 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	98	99	first strand
Strand 2	B	119	122	anti-parallel
Strand 3	B	155	157	anti-parallel
Strand 4	B	148	149	anti-parallel

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There are 4 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	102	103	first strand
Strand 2	B	114	116	anti-parallel
Strand 3	B	159	162	anti-parallel
Strand 4	B	142	144	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	136	137	first strand
Strand 2	B	128	133	anti-parallel
Strand 3	B	170	176	anti-parallel
Strand 4	B	184	189	anti-parallel

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There are 8 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	41	43	first strand
Strand 2	D	29	34	anti-parallel
Strand 3	D	19	26	anti-parallel
Strand 4	D	5	15	anti-parallel
Strand 5	E	7	18	anti-parallel
Strand 6	E	23	32	anti-parallel
Strand 7	E	35	41	anti-parallel
Strand 8	E	47	49	anti-parallel

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There are 4 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	88	93	first strand
Strand 2	D	103	112	anti-parallel
Strand 3	D	145	153	anti-parallel
Strand 4	D	133	134	anti-parallel

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There are 4 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	88	93	first strand
Strand 2	D	103	112	anti-parallel
Strand 3	D	145	153	anti-parallel
Strand 4	D	138	139	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	D	126	128	first strand
Strand 2	D	118	123	anti-parallel
Strand 3	D	160	166	anti-parallel
Strand 4	D	174	179	anti-parallel

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There are 4 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	98	99	first strand
Strand 2	E	119	122	anti-parallel
Strand 3	E	155	157	anti-parallel
Strand 4	E	148	149	anti-parallel

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There are 4 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	102	103	first strand
Strand 2	E	114	116	anti-parallel
Strand 3	E	159	162	anti-parallel
Strand 4	E	142	144	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	136	137	first strand
Strand 2	E	128	133	anti-parallel
Strand 3	E	170	176	anti-parallel
Strand 4	E	184	189	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	9	13	first strand
Strand 2	I	105	110	parallel
Strand 3	I	87	93	anti-parallel
Strand 4	I	32	37	anti-parallel
Strand 5	I	44	49	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	9	13	first strand
Strand 2	I	105	110	parallel
Strand 3	I	87	93	anti-parallel
Strand 4	I	99	101	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	18	20	first strand
Strand 2	I	72	77	anti-parallel
Strand 3	I	62	67	anti-parallel
Strand 4	I	55	57	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	4	7	first strand
Strand 2	J	19	25	anti-parallel
Strand 3	J	75	78	anti-parallel
Strand 4	J	65	67	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	10	13	first strand
Strand 2	J	105	109	parallel
Strand 3	J	87	94	anti-parallel
Strand 4	J	31	37	anti-parallel
Strand 5	J	44	49	anti-parallel
Strand 6	J	56	57	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	10	13	first strand
Strand 2	J	105	109	parallel
Strand 3	J	87	94	anti-parallel
Strand 4	J	99	101	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	9	13	first strand
Strand 2	K	105	110	parallel
Strand 3	K	87	93	anti-parallel
Strand 4	K	32	37	anti-parallel
Strand 5	K	44	49	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	9	13	first strand
Strand 2	K	105	110	parallel
Strand 3	K	87	93	anti-parallel
Strand 4	K	99	101	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	K	18	20	first strand
Strand 2	K	72	77	anti-parallel
Strand 3	K	62	67	anti-parallel
Strand 4	K	55	57	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	4	7	first strand
Strand 2	L	19	25	anti-parallel
Strand 3	L	75	78	anti-parallel
Strand 4	L	65	67	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	10	13	first strand
Strand 2	L	105	109	parallel
Strand 3	L	87	94	anti-parallel
Strand 4	L	31	37	anti-parallel
Strand 5	L	44	49	anti-parallel
Strand 6	L	56	57	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	10	13	first strand
Strand 2	L	105	109	parallel
Strand 3	L	87	94	anti-parallel
Strand 4	L	99	101	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: 2ICW

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