Analysis of interatomic Contacts of Structural Units in PDB entry:
2AQ1

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 2AQ1 entry

There are 8 chains in PDB entry 2AQ1 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	ALA 2	LEU 117
B	SER 2	LYS 235
C	ALA 2	LEU 117
D	SER 2	GLY 237
E	ALA 2	LEU 117
F	GLU 1	GLY 237
G	ALA 2	LEU 117
H	GLU 1	GLY 237

There are 30 helices in PDB entry 2AQ1. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	83	87	Right-handed 310
Helix 2	2	B	13	17	Right-handed 310
Helix 3	3	B	21	29	Right-handed alpha
Helix 4	4	B	70	79	Right-handed alpha
Helix 5	5	B	154	170	Right-handed alpha
Helix 6	6	B	207	213	Right-handed alpha
Helix 7	7	B	214	218	Right-handed 310
Helix 8	8	C	83	87	Right-handed 310
Helix 9	9	D	7	11	Right-handed 310
Helix 10	10	D	13	17	Right-handed 310
Helix 11	11	D	21	27	Right-handed alpha
Helix 12	12	D	70	78	Right-handed alpha
Helix 13	13	D	154	170	Right-handed alpha
Helix 14	14	D	207	213	Right-handed alpha
Helix 15	15	D	214	218	Right-handed 310
Helix 16	16	E	83	87	Right-handed 310
Helix 17	17	F	7	11	Right-handed 310
Helix 18	18	F	13	17	Right-handed 310
Helix 19	19	F	21	29	Right-handed alpha
Helix 20	20	F	70	78	Right-handed alpha
Helix 21	21	F	154	170	Right-handed alpha
Helix 22	22	F	207	213	Right-handed alpha
Helix 23	23	F	214	218	Right-handed 310
Helix 24	24	G	83	87	Right-handed 310
Helix 25	25	H	7	11	Right-handed 310
Helix 26	26	H	21	29	Right-handed alpha
Helix 27	27	H	70	78	Right-handed alpha
Helix 28	28	H	154	170	Right-handed alpha
Helix 29	29	H	207	213	Right-handed alpha
Helix 30	30	H	214	218	Right-handed 310

There are 24 sheets in PDB entry 2AQ1. 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,

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	4	7	first strand
Strand 2	A	19	25	anti-parallel
Strand 3	A	76	79	anti-parallel
Strand 4	A	65	68	anti-parallel

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There are 8 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	10	13	first strand
Strand 2	A	112	116	parallel
Strand 3	A	88	96	anti-parallel
Strand 4	A	99	108	anti-parallel
Strand 5	G	99	108	anti-parallel
Strand 6	G	88	96	anti-parallel
Strand 7	G	112	116	anti-parallel
Strand 8	G	10	13	parallel

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There are 10 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	56	57	first strand
Strand 2	A	44	49	anti-parallel
Strand 3	A	31	37	anti-parallel
Strand 4	A	88	96	anti-parallel
Strand 5	A	99	108	anti-parallel
Strand 6	G	99	108	anti-parallel
Strand 7	G	88	96	anti-parallel
Strand 8	G	31	38	anti-parallel
Strand 9	G	42	49	anti-parallel
Strand 10	G	56	57	anti-parallel

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There are 3 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	33	38	first strand
Strand 2	B	82	86	anti-parallel
Strand 3	B	113	115	anti-parallel

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There are 3 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	48	52	first strand
Strand 2	B	63	67	anti-parallel
Strand 3	B	106	110	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	B	138	147	first strand
Strand 2	B	127	135	anti-parallel
Strand 3	B	227	234	parallel
Strand 4	B	179	187	anti-parallel
Strand 5	B	193	197	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	151	153	first strand
Strand 2	B	220	222	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	4	7	first strand
Strand 2	C	19	25	anti-parallel
Strand 3	C	74	79	anti-parallel
Strand 4	C	65	71	anti-parallel

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There are 8 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	10	14	first strand
Strand 2	C	112	117	parallel
Strand 3	C	88	96	anti-parallel
Strand 4	C	99	108	anti-parallel
Strand 5	E	99	108	anti-parallel
Strand 6	E	88	96	anti-parallel
Strand 7	E	112	116	anti-parallel
Strand 8	E	10	13	parallel

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There are 10 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	56	57	first strand
Strand 2	C	42	49	anti-parallel
Strand 3	C	31	38	anti-parallel
Strand 4	C	88	96	anti-parallel
Strand 5	C	99	108	anti-parallel
Strand 6	E	99	108	anti-parallel
Strand 7	E	88	96	anti-parallel
Strand 8	E	31	38	anti-parallel
Strand 9	E	42	49	anti-parallel
Strand 10	E	56	57	anti-parallel

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There are 3 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	33	38	first strand
Strand 2	D	82	86	anti-parallel
Strand 3	D	113	115	anti-parallel

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There are 3 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	48	52	first strand
Strand 2	D	63	67	anti-parallel
Strand 3	D	106	110	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	138	147	first strand
Strand 2	D	127	135	anti-parallel
Strand 3	D	227	233	parallel
Strand 4	D	181	187	anti-parallel
Strand 5	D	193	197	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	D	151	153	first strand
Strand 2	D	220	222	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	E	4	7	first strand
Strand 2	E	19	25	anti-parallel
Strand 3	E	74	79	anti-parallel
Strand 4	E	65	68	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	33	38	first strand
Strand 2	F	82	86	anti-parallel
Strand 3	F	113	115	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	48	51	first strand
Strand 2	F	63	67	anti-parallel
Strand 3	F	106	110	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	138	147	first strand
Strand 2	F	127	135	anti-parallel
Strand 3	F	227	234	parallel
Strand 4	F	179	187	anti-parallel
Strand 5	F	193	197	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	151	153	first strand
Strand 2	F	220	222	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	G	4	7	first strand
Strand 2	G	19	25	anti-parallel
Strand 3	G	74	79	anti-parallel
Strand 4	G	65	71	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	H	33	38	first strand
Strand 2	H	82	86	anti-parallel
Strand 3	H	113	115	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	48	51	first strand
Strand 2	H	63	67	anti-parallel
Strand 3	H	106	110	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	H	138	147	first strand
Strand 2	H	127	135	anti-parallel
Strand 3	H	227	233	parallel
Strand 4	H	181	187	anti-parallel
Strand 5	H	193	197	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	H	151	153	first strand
Strand 2	H	220	222	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: 2AQ1

Analysis of interatomic Contacts of Structural Units in PDB entry:
2AQ1