Analysis of interatomic Contacts of Structural Units in PDB entry:
1IIL

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 1IIL entry

There are 8 chains in PDB entry 1IIL (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	PRO 22	SER 155
B	PRO 22	LYS 154
C	GLY 24	SER 155
D	PRO 23	LYS 154
E	ASN 150	PRO 361
F	ASN 150	PRO 361
G	ASN 150	GLY 364
H	ASN 150	GLY 364

There are 38 helices in PDB entry 1IIL. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	57	60	Right-handed 310
Helix 2	2	A	135	139	Right-handed 310
Helix 3	3	A	143	146	Right-handed 310
Helix 4	4	B	57	60	Right-handed 310
Helix 5	5	B	135	139	Right-handed 310
Helix 6	6	B	143	146	Right-handed 310
Helix 7	7	C	57	60	Right-handed 310
Helix 8	8	C	98	101	Right-handed 310
Helix 9	9	C	135	139	Right-handed 310
Helix 10	10	C	143	146	Right-handed 310
Helix 11	11	D	57	60	Right-handed 310
Helix 12	12	D	98	101	Right-handed 310
Helix 13	13	D	135	139	Right-handed 310
Helix 14	14	D	143	146	Right-handed 310
Helix 15	15	E	158	163	Right-handed 310
Helix 16	16	E	199	203	Right-handed 310
Helix 17	17	E	211	213	Right-handed 310
Helix 18	18	E	222	226	Right-handed 310
Helix 19	19	E	320	324	Right-handed 310
Helix 20	20	E	333	337	Right-handed 310
Helix 21	21	F	158	163	Right-handed 310
Helix 22	22	F	199	203	Right-handed 310
Helix 23	23	F	211	213	Right-handed 310
Helix 24	24	F	222	226	Right-handed 310
Helix 25	25	F	320	324	Right-handed 310
Helix 26	26	F	333	337	Right-handed 310
Helix 27	27	G	158	163	Right-handed 310
Helix 28	28	G	199	203	Right-handed 310
Helix 29	29	G	211	213	Right-handed 310
Helix 30	30	G	222	226	Right-handed 310
Helix 31	31	G	320	324	Right-handed 310
Helix 32	32	G	333	337	Right-handed 310
Helix 33	33	H	158	163	Right-handed 310
Helix 34	34	H	199	203	Right-handed 310
Helix 35	35	H	211	213	Right-handed 310
Helix 36	36	H	222	226	Right-handed 310
Helix 37	37	H	320	324	Right-handed 310
Helix 38	38	H	333	337	Right-handed 310

There are 36 sheets in PDB entry 1IIL. 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, AE, AF, AG, AH, AI, AJ,

There are 4 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	52	first strand
Strand 2	A	39	43	anti-parallel
Strand 3	A	30	34	anti-parallel
Strand 4	A	148	152	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	62	68	first strand
Strand 2	A	71	76	anti-parallel
Strand 3	A	81	85	anti-parallel
Strand 4	A	91	94	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	62	68	first strand
Strand 2	A	71	76	anti-parallel
Strand 3	A	103	107	anti-parallel
Strand 4	A	113	117	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	B	49	52	first strand
Strand 2	B	39	43	anti-parallel
Strand 3	B	30	34	anti-parallel
Strand 4	B	148	152	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	62	68	first strand
Strand 2	B	71	76	anti-parallel
Strand 3	B	81	85	anti-parallel
Strand 4	B	91	94	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	62	68	first strand
Strand 2	B	71	76	anti-parallel
Strand 3	B	103	107	anti-parallel
Strand 4	B	113	117	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	C	49	52	first strand
Strand 2	C	39	43	anti-parallel
Strand 3	C	30	34	anti-parallel
Strand 4	C	148	152	anti-parallel

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There are 4 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	62	68	first strand
Strand 2	C	71	76	anti-parallel
Strand 3	C	81	85	anti-parallel
Strand 4	C	91	94	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	C	62	68	first strand
Strand 2	C	71	76	anti-parallel
Strand 3	C	103	107	anti-parallel
Strand 4	C	113	117	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	49	52	first strand
Strand 2	D	39	43	anti-parallel
Strand 3	D	30	34	anti-parallel
Strand 4	D	148	152	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	62	68	first strand
Strand 2	D	71	76	anti-parallel
Strand 3	D	81	85	anti-parallel
Strand 4	D	91	94	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	D	62	68	first strand
Strand 2	D	71	76	anti-parallel
Strand 3	D	103	107	anti-parallel
Strand 4	D	113	117	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	152	156	first strand
Strand 2	E	181	184	anti-parallel

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There are 5 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	166	170	first strand
Strand 2	E	238	249	parallel
Strand 3	E	227	235	anti-parallel
Strand 4	E	188	193	anti-parallel
Strand 5	E	196	197	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	175	178	first strand
Strand 2	E	215	218	anti-parallel
Strand 3	E	208	210	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	257	258	first strand
Strand 2	E	280	281	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	E	266	269	first strand
Strand 2	E	350	360	parallel
Strand 3	E	338	345	anti-parallel
Strand 4	E	287	293	anti-parallel
Strand 5	E	309	314	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	E	274	277	first strand
Strand 2	E	326	329	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	F	152	156	first strand
Strand 2	F	181	184	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	166	170	first strand
Strand 2	F	238	249	parallel
Strand 3	F	227	235	anti-parallel
Strand 4	F	188	193	anti-parallel
Strand 5	F	196	197	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	175	178	first strand
Strand 2	F	215	218	anti-parallel
Strand 3	F	208	210	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	257	258	first strand
Strand 2	F	280	281	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	266	269	first strand
Strand 2	F	350	360	parallel
Strand 3	F	338	345	anti-parallel
Strand 4	F	287	293	anti-parallel
Strand 5	F	309	314	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	F	274	277	first strand
Strand 2	F	326	329	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	G	152	156	first strand
Strand 2	G	181	184	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	166	170	first strand
Strand 2	G	238	249	parallel
Strand 3	G	227	235	anti-parallel
Strand 4	G	188	193	anti-parallel
Strand 5	G	196	197	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	175	178	first strand
Strand 2	G	215	218	anti-parallel
Strand 3	G	208	210	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	G	257	258	first strand
Strand 2	G	280	281	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	266	269	first strand
Strand 2	G	350	360	parallel
Strand 3	G	338	345	anti-parallel
Strand 4	G	287	293	anti-parallel
Strand 5	G	309	314	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	G	274	277	first strand
Strand 2	G	326	329	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	152	156	first strand
Strand 2	H	181	184	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	166	170	first strand
Strand 2	H	238	249	parallel
Strand 3	H	227	235	anti-parallel
Strand 4	H	188	193	anti-parallel
Strand 5	H	196	197	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	175	178	first strand
Strand 2	H	215	218	anti-parallel
Strand 3	H	208	210	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	257	258	first strand
Strand 2	H	280	281	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	266	269	first strand
Strand 2	H	350	360	parallel
Strand 3	H	338	345	anti-parallel
Strand 4	H	287	293	anti-parallel
Strand 5	H	309	314	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	274	277	first strand
Strand 2	H	326	329	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: 1IIL

Analysis of interatomic Contacts of Structural Units in PDB entry:
1IIL