Analysis of interatomic Contacts of Structural Units in PDB entry:
1Q1L

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 1Q1L entry

There are 4 chains in PDB entry 1Q1L (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	SER 2	PHE 398
B	SER 2	PHE 398
C	SER 2	PHE 398
D	SER 2	PHE 398

There are 58 helices in PDB entry 1Q1L. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	33	46	Right-handed alpha
Helix 2	2	A	127	135	Right-handed alpha
Helix 3	3	A	138	155	Right-handed alpha
Helix 4	4	A	173	176	Right-handed 310
Helix 5	5	A	177	182	Right-handed 310
Helix 6	6	A	183	195	Right-handed alpha
Helix 7	7	A	203	205	Right-handed 310
Helix 8	8	A	206	219	Right-handed alpha
Helix 9	9	A	244	247	Right-handed 310
Helix 10	10	A	248	259	Right-handed alpha
Helix 11	11	A	270	277	Right-handed 310
Helix 12	12	A	278	282	Right-handed 310
Helix 13	13	A	352	377	Right-handed alpha
Helix 14	14	A	380	397	Right-handed alpha
Helix 15	15	B	33	46	Right-handed alpha
Helix 16	16	B	114	122	Right-handed alpha
Helix 17	17	B	127	135	Right-handed alpha
Helix 18	18	B	138	155	Right-handed alpha
Helix 19	19	B	173	176	Right-handed 310
Helix 20	20	B	177	182	Right-handed 310
Helix 21	21	B	183	195	Right-handed alpha
Helix 22	22	B	203	205	Right-handed 310
Helix 23	23	B	206	220	Right-handed alpha
Helix 24	24	B	244	247	Right-handed 310
Helix 25	25	B	248	259	Right-handed alpha
Helix 26	26	B	271	276	Right-handed alpha
Helix 27	27	B	277	277	Right-handed 310
Helix 28	28	B	278	282	Right-handed 310
Helix 29	29	B	352	377	Right-handed alpha
Helix 30	30	B	380	398	Right-handed alpha
Helix 31	31	C	33	47	Right-handed alpha
Helix 32	32	C	115	123	Right-handed alpha
Helix 33	33	C	127	135	Right-handed alpha
Helix 34	34	C	138	155	Right-handed alpha
Helix 35	35	C	173	176	Right-handed 310
Helix 36	36	C	177	182	Right-handed 310
Helix 37	37	C	183	195	Right-handed alpha
Helix 38	38	C	203	205	Right-handed 310
Helix 39	39	C	206	220	Right-handed alpha
Helix 40	40	C	244	247	Right-handed 310
Helix 41	41	C	248	259	Right-handed alpha
Helix 42	42	C	278	283	Right-handed alpha
Helix 43	43	C	353	377	Right-handed alpha
Helix 44	44	C	380	397	Right-handed alpha
Helix 45	45	D	33	47	Right-handed alpha
Helix 46	46	D	116	122	Right-handed alpha
Helix 47	47	D	127	135	Right-handed alpha
Helix 48	48	D	138	155	Right-handed alpha
Helix 49	49	D	173	182	Right-handed 310
Helix 50	50	D	183	196	Right-handed alpha
Helix 51	51	D	203	205	Right-handed 310
Helix 52	52	D	206	220	Right-handed alpha
Helix 53	53	D	244	247	Right-handed 310
Helix 54	54	D	248	259	Right-handed alpha
Helix 55	55	D	270	277	Right-handed 310
Helix 56	56	D	278	283	Right-handed alpha
Helix 57	57	D	352	377	Right-handed alpha
Helix 58	58	D	380	397	Right-handed alpha

There are 18 sheets in PDB entry 1Q1L. 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,

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	7	11	first strand
Strand 2	A	18	24	anti-parallel
Strand 3	A	77	82	anti-parallel
Strand 4	A	61	65	anti-parallel

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There are 2 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	67	68	first strand
Strand 2	A	71	72	anti-parallel

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There are 5 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	170	171	first strand
Strand 2	A	159	167	anti-parallel
Strand 3	A	226	233	anti-parallel
Strand 4	A	314	320	anti-parallel
Strand 5	A	263	268	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	286	289	first strand
Strand 2	A	293	296	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	A	304	305	first strand
Strand 2	A	308	309	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	7	11	first strand
Strand 2	B	18	24	anti-parallel
Strand 3	B	77	82	anti-parallel
Strand 4	B	61	65	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	B	67	68	first strand
Strand 2	B	71	72	anti-parallel

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There are 10 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	170	171	first strand
Strand 2	B	159	167	anti-parallel
Strand 3	B	226	233	anti-parallel
Strand 4	B	314	320	anti-parallel
Strand 5	B	263	268	anti-parallel
Strand 6	C	263	268	anti-parallel
Strand 7	C	314	320	anti-parallel
Strand 8	C	226	233	anti-parallel
Strand 9	C	159	167	anti-parallel
Strand 10	C	170	171	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	286	287	first strand
Strand 2	B	295	296	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	B	304	305	first strand
Strand 2	B	308	309	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	C	7	11	first strand
Strand 2	C	18	24	anti-parallel
Strand 3	C	77	82	anti-parallel
Strand 4	C	61	65	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	C	67	68	first strand
Strand 2	C	71	72	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	C	293	296	first strand
Strand 2	C	286	289	anti-parallel
Strand 3	D	286	289	anti-parallel
Strand 4	D	293	296	anti-parallel

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There are 2 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	304	305	first strand
Strand 2	C	308	309	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	D	7	11	first strand
Strand 2	D	18	24	anti-parallel
Strand 3	D	77	82	anti-parallel
Strand 4	D	62	65	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	D	67	68	first strand
Strand 2	D	71	72	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	D	170	171	first strand
Strand 2	D	159	167	anti-parallel
Strand 3	D	226	233	anti-parallel
Strand 4	D	314	320	anti-parallel
Strand 5	D	263	268	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	D	304	305	first strand
Strand 2	D	308	309	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: 1Q1L

Analysis of interatomic Contacts of Structural Units in PDB entry:
1Q1L