Analysis of interatomic Contacts of Structural Units in PDB entry:
7AHL

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 7AHL entry

There are 7 chains in PDB entry 7AHL (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	ALA 1	ASN 293
B	ALA 1	ASN 293
C	ALA 1	ASN 293
D	ALA 1	ASN 293
E	ALA 1	ASN 293
F	ALA 1	ASN 293
G	ALA 1	ASN 293

There are 25 helices in PDB entry 7AHL. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	2	5	Right-handed 310
Helix 2	2	A	206	208	Right-handed 310
Helix 3	3	A	213	215	Right-handed 310
Helix 4	4	A	218	221	Right-handed alpha
Helix 5	5	B	206	208	Right-handed 310
Helix 6	6	B	218	221	Right-handed alpha
Helix 7	7	C	206	208	Right-handed 310
Helix 8	8	C	213	215	Right-handed 310
Helix 9	9	D	2	5	Right-handed 310
Helix 10	10	D	206	208	Right-handed 310
Helix 11	11	D	213	215	Right-handed 310
Helix 12	12	D	218	221	Right-handed alpha
Helix 13	13	E	2	5	Right-handed 310
Helix 14	14	E	72	74	Right-handed 310
Helix 15	15	E	206	208	Right-handed 310
Helix 16	16	E	213	215	Right-handed 310
Helix 17	17	E	218	221	Right-handed alpha
Helix 18	18	F	2	5	Right-handed 310
Helix 19	19	F	206	208	Right-handed 310
Helix 20	20	F	213	215	Right-handed 310
Helix 21	21	F	218	221	Right-handed alpha
Helix 22	22	G	2	5	Right-handed 310
Helix 23	23	G	206	208	Right-handed 310
Helix 24	24	G	213	215	Right-handed 310
Helix 25	25	G	218	221	Right-handed alpha

There are 32 sheets in PDB entry 7AHL. 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,

There are 5 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	21	29	first strand
Strand 2	A	34	43	anti-parallel
Strand 3	A	51	61	anti-parallel
Strand 4	A	228	234	anti-parallel
Strand 5	A	97	102	anti-parallel

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There are 6 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	153	158	first strand
Strand 2	A	164	171	anti-parallel
Strand 3	A	75	90	anti-parallel
Strand 4	A	242	259	anti-parallel
Strand 5	A	274	285	anti-parallel
Strand 6	A	290	292	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	A	111	122	first strand
Strand 2	A	136	147	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	255	260	first strand
Strand 2	A	265	270	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	21	29	first strand
Strand 2	B	34	43	anti-parallel
Strand 3	B	51	61	anti-parallel
Strand 4	B	228	234	anti-parallel
Strand 5	B	97	102	anti-parallel

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There are 6 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	153	158	first strand
Strand 2	B	164	171	anti-parallel
Strand 3	B	75	89	anti-parallel
Strand 4	B	242	259	anti-parallel
Strand 5	B	274	285	anti-parallel
Strand 6	B	290	292	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	111	126	first strand
Strand 2	B	132	147	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	B	255	260	first strand
Strand 2	B	265	270	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	66	71	first strand
Strand 2	B	75	79	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	21	29	first strand
Strand 2	C	34	43	anti-parallel
Strand 3	C	51	61	anti-parallel
Strand 4	C	228	234	anti-parallel
Strand 5	C	97	102	anti-parallel

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There are 6 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	153	158	first strand
Strand 2	C	164	171	anti-parallel
Strand 3	C	75	90	anti-parallel
Strand 4	C	242	259	anti-parallel
Strand 5	C	274	285	anti-parallel
Strand 6	C	290	292	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	111	123	first strand
Strand 2	C	135	147	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	C	255	260	first strand
Strand 2	C	265	270	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	D	21	29	first strand
Strand 2	D	34	43	anti-parallel
Strand 3	D	51	61	anti-parallel
Strand 4	D	228	234	anti-parallel
Strand 5	D	97	102	anti-parallel

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There are 6 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	153	158	first strand
Strand 2	D	164	171	anti-parallel
Strand 3	D	75	90	anti-parallel
Strand 4	D	242	259	anti-parallel
Strand 5	D	274	285	anti-parallel
Strand 6	D	290	292	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	111	122	first strand
Strand 2	D	136	147	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	D	255	261	first strand
Strand 2	D	264	270	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	66	69	first strand
Strand 2	D	77	79	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	21	29	first strand
Strand 2	E	34	43	anti-parallel
Strand 3	E	51	61	anti-parallel
Strand 4	E	228	234	anti-parallel
Strand 5	E	97	102	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	153	158	first strand
Strand 2	E	164	171	anti-parallel
Strand 3	E	75	90	anti-parallel
Strand 4	E	242	259	anti-parallel
Strand 5	E	274	285	anti-parallel
Strand 6	E	290	292	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	E	111	122	first strand
Strand 2	E	136	147	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	E	255	260	first strand
Strand 2	E	265	270	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	66	70	first strand
Strand 2	E	76	79	anti-parallel

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There are 5 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	21	29	first strand
Strand 2	F	34	43	anti-parallel
Strand 3	F	51	61	anti-parallel
Strand 4	F	228	234	anti-parallel
Strand 5	F	97	102	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	F	153	158	first strand
Strand 2	F	164	171	anti-parallel
Strand 3	F	75	90	anti-parallel
Strand 4	F	242	259	anti-parallel
Strand 5	F	274	285	anti-parallel
Strand 6	F	290	292	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	111	126	first strand
Strand 2	F	132	147	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	255	260	first strand
Strand 2	F	265	270	anti-parallel

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There are 5 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	21	29	first strand
Strand 2	G	34	43	anti-parallel
Strand 3	G	51	61	anti-parallel
Strand 4	G	228	234	anti-parallel
Strand 5	G	97	102	anti-parallel

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There are 6 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	153	158	first strand
Strand 2	G	164	171	anti-parallel
Strand 3	G	75	90	anti-parallel
Strand 4	G	242	259	anti-parallel
Strand 5	G	274	285	anti-parallel
Strand 6	G	290	292	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	111	126	first strand
Strand 2	G	132	147	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	G	255	260	first strand
Strand 2	G	265	270	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	66	70	first strand
Strand 2	G	76	79	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: 7AHL

Analysis of interatomic Contacts of Structural Units in PDB entry:
7AHL