Analysis of interatomic Contacts of Structural Units in PDB entry:
4IC6

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 4IC6 entry

There are 3 chains in PDB entry 4IC6 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	PRO 104	HIS 455
B	PRO 104	HIS 454
C	GLY 110	HIS 455

There are 26 helices in PDB entry 4IC6. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	113	128	Right-handed alpha
Helix 2	2	A	169	172	Right-handed 310
Helix 3	3	A	173	179	Right-handed alpha
Helix 4	4	A	234	238	Right-handed 310
Helix 5	5	A	326	340	Right-handed alpha
Helix 6	6	A	353	360	Right-handed alpha
Helix 7	7	A	375	381	Right-handed alpha
Helix 8	8	A	409	418	Right-handed alpha
Helix 9	9	B	113	128	Right-handed alpha
Helix 10	10	B	170	172	Right-handed 310
Helix 11	11	B	173	178	Right-handed alpha
Helix 12	12	B	211	214	Right-handed 310
Helix 13	13	B	235	238	Right-handed 310
Helix 14	14	B	326	340	Right-handed alpha
Helix 15	15	B	353	360	Right-handed alpha
Helix 16	16	B	375	381	Right-handed alpha
Helix 17	17	B	409	418	Right-handed alpha
Helix 18	18	C	113	128	Right-handed alpha
Helix 19	19	C	169	172	Right-handed 310
Helix 20	20	C	173	179	Right-handed alpha
Helix 21	21	C	211	214	Right-handed 310
Helix 22	22	C	234	238	Right-handed 310
Helix 23	23	C	326	340	Right-handed alpha
Helix 24	24	C	353	360	Right-handed alpha
Helix 25	25	C	375	381	Right-handed alpha
Helix 26	26	C	409	418	Right-handed alpha

There are 17 sheets in PDB entry 4IC6. 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,

There are 2 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	106	107	first strand
Strand 2	B	232	233	parallel

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There are 7 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	130	135	first strand
Strand 2	A	155	159	anti-parallel
Strand 3	A	165	168	anti-parallel
Strand 4	A	215	219	anti-parallel
Strand 5	A	199	210	anti-parallel
Strand 6	A	186	193	anti-parallel
Strand 7	A	130	135	anti-parallel

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There are 7 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	243	248	first strand
Strand 2	A	256	270	anti-parallel
Strand 3	A	276	283	anti-parallel
Strand 4	A	321	325	anti-parallel
Strand 5	A	303	307	anti-parallel
Strand 6	A	295	298	anti-parallel
Strand 7	A	243	248	anti-parallel

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There are 2 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	345	346	first strand
Strand 2	A	444	445	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	A	350	351	first strand
Strand 2	A	366	370	anti-parallel
Strand 3	A	398	402	anti-parallel
Strand 4	A	405	406	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	A	350	351	first strand
Strand 2	A	366	370	anti-parallel
Strand 3	A	398	402	anti-parallel
Strand 4	A	425	432	anti-parallel
Strand 5	A	435	442	anti-parallel

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There are 7 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	130	135	first strand
Strand 2	B	155	159	anti-parallel
Strand 3	B	165	168	anti-parallel
Strand 4	B	215	219	anti-parallel
Strand 5	B	199	210	anti-parallel
Strand 6	B	186	193	anti-parallel
Strand 7	B	130	135	anti-parallel

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There are 7 strands in H sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	243	248	first strand
Strand 2	B	256	270	anti-parallel
Strand 3	B	276	283	anti-parallel
Strand 4	B	321	325	anti-parallel
Strand 5	B	303	308	anti-parallel
Strand 6	B	295	297	anti-parallel
Strand 7	B	243	248	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	B	345	346	first strand
Strand 2	B	444	445	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	B	350	351	first strand
Strand 2	B	366	370	anti-parallel
Strand 3	B	398	402	anti-parallel
Strand 4	B	405	406	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	350	351	first strand
Strand 2	B	366	370	anti-parallel
Strand 3	B	398	402	anti-parallel
Strand 4	B	425	431	anti-parallel
Strand 5	B	437	442	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	B	386	387	first strand
Strand 2	B	393	394	anti-parallel

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There are 7 strands in M sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	130	135	first strand
Strand 2	C	155	159	anti-parallel
Strand 3	C	165	168	anti-parallel
Strand 4	C	215	219	anti-parallel
Strand 5	C	199	210	anti-parallel
Strand 6	C	186	193	anti-parallel
Strand 7	C	130	135	anti-parallel

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There are 7 strands in N sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	243	248	first strand
Strand 2	C	256	270	anti-parallel
Strand 3	C	276	283	anti-parallel
Strand 4	C	321	325	anti-parallel
Strand 5	C	303	308	anti-parallel
Strand 6	C	295	297	anti-parallel
Strand 7	C	243	248	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	350	351	first strand
Strand 2	C	366	370	anti-parallel
Strand 3	C	398	402	anti-parallel
Strand 4	C	405	406	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	350	351	first strand
Strand 2	C	366	370	anti-parallel
Strand 3	C	398	402	anti-parallel
Strand 4	C	425	431	anti-parallel
Strand 5	C	437	442	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	386	387	first strand
Strand 2	C	393	394	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: 4IC6

Analysis of interatomic Contacts of Structural Units in PDB entry:
4IC6