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

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 1ZXN entry

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

Chain ID	Initial residue	Terminal residue
A	SER 29	GLN 422
B	SER 29	ASN 424
C	SER 29	LYS 426
D	SER 29	LYS 425

There are 57 helices in PDB entry 1ZXN. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	29	34	Right-handed alpha
Helix 2	2	A	38	46	Right-handed alpha
Helix 3	3	A	46	51	Right-handed alpha
Helix 4	4	A	78	99	Right-handed alpha
Helix 5	5	A	137	144	Right-handed alpha
Helix 6	6	A	165	173	Right-handed alpha
Helix 7	7	A	232	250	Right-handed alpha
Helix 8	8	A	266	276	Right-handed alpha
Helix 9	9	A	323	337	Right-handed alpha
Helix 10	10	A	356	359	Right-handed 310
Helix 11	11	A	384	389	Right-handed 310
Helix 12	12	A	395	402	Right-handed alpha
Helix 13	13	A	410	416	Right-handed alpha
Helix 14	14	B	29	34	Right-handed alpha
Helix 15	15	B	38	46	Right-handed alpha
Helix 16	16	B	47	52	Right-handed alpha
Helix 17	17	B	78	95	Right-handed alpha
Helix 18	18	B	96	98	Right-handed 310
Helix 19	19	B	137	144	Right-handed alpha
Helix 20	20	B	152	156	Right-handed 310
Helix 21	21	B	165	173	Right-handed alpha
Helix 22	22	B	184	186	Right-handed 310
Helix 23	23	B	223	227	Right-handed 310
Helix 24	24	B	232	250	Right-handed alpha
Helix 25	25	B	265	275	Right-handed alpha
Helix 26	26	B	323	344	Right-handed alpha
Helix 27	27	B	353	358	Right-handed alpha
Helix 28	28	B	384	388	Right-handed 310
Helix 29	29	B	395	405	Right-handed alpha
Helix 30	30	B	407	420	Right-handed alpha
Helix 31	31	C	29	34	Right-handed alpha
Helix 32	32	C	38	46	Right-handed alpha
Helix 33	33	C	47	52	Right-handed alpha
Helix 34	34	C	78	99	Right-handed alpha
Helix 35	35	C	137	144	Right-handed alpha
Helix 36	36	C	165	173	Right-handed alpha
Helix 37	37	C	223	226	Right-handed 310
Helix 38	38	C	232	250	Right-handed alpha
Helix 39	39	C	266	275	Right-handed alpha
Helix 40	40	C	324	345	Right-handed alpha
Helix 41	41	C	352	358	Right-handed alpha
Helix 42	42	C	384	388	Right-handed 310
Helix 43	43	C	395	403	Right-handed alpha
Helix 44	44	C	406	421	Right-handed alpha
Helix 45	45	D	29	34	Right-handed alpha
Helix 46	46	D	38	46	Right-handed alpha
Helix 47	47	D	47	52	Right-handed alpha
Helix 48	48	D	78	99	Right-handed alpha
Helix 49	49	D	137	144	Right-handed alpha
Helix 50	50	D	165	173	Right-handed alpha
Helix 51	51	D	232	250	Right-handed alpha
Helix 52	52	D	265	273	Right-handed alpha
Helix 53	53	D	324	340	Right-handed alpha
Helix 54	54	D	352	358	Right-handed alpha
Helix 55	55	D	384	388	Right-handed 310
Helix 56	56	D	395	404	Right-handed alpha
Helix 57	57	D	414	419	Right-handed alpha

There are 27 sheets in PDB entry 1ZXN. 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,

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	35	36	first strand
Strand 2	B	147	148	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	57	65	first strand
Strand 2	A	69	77	anti-parallel

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There are 3 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	200	201	first strand
Strand 2	A	188	195	anti-parallel
Strand 3	A	205	208	anti-parallel

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There are 8 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	200	201	first strand
Strand 2	A	188	195	anti-parallel
Strand 3	A	174	183	anti-parallel
Strand 4	A	214	221	anti-parallel
Strand 5	A	115	121	anti-parallel
Strand 6	A	104	110	anti-parallel
Strand 7	A	254	257	parallel
Strand 8	A	260	261	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	129	130	first strand
Strand 2	A	135	136	anti-parallel

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There are 2 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	147	148	first strand
Strand 2	B	35	36	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	A	289	291	first strand
Strand 2	A	299	301	anti-parallel
Strand 3	A	361	366	anti-parallel
Strand 4	A	309	314	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	A	419	421	first strand
Strand 2	B	422	424	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	57	65	first strand
Strand 2	B	69	77	anti-parallel

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There are 3 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	200	201	first strand
Strand 2	B	188	195	anti-parallel
Strand 3	B	207	208	anti-parallel

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There are 8 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	200	201	first strand
Strand 2	B	188	195	anti-parallel
Strand 3	B	174	183	anti-parallel
Strand 4	B	215	221	anti-parallel
Strand 5	B	115	120	anti-parallel
Strand 6	B	104	110	anti-parallel
Strand 7	B	254	257	parallel
Strand 8	B	260	261	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	129	130	first strand
Strand 2	B	135	136	anti-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	B	288	294	first strand
Strand 2	B	297	303	anti-parallel
Strand 3	B	360	366	anti-parallel
Strand 4	B	309	314	parallel
Strand 5	B	317	318	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	35	36	first strand
Strand 2	D	147	148	anti-parallel

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There are 2 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	57	65	first strand
Strand 2	C	69	77	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	C	200	201	first strand
Strand 2	C	188	195	anti-parallel
Strand 3	C	205	208	anti-parallel

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There are 8 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	200	201	first strand
Strand 2	C	188	195	anti-parallel
Strand 3	C	174	183	anti-parallel
Strand 4	C	214	221	anti-parallel
Strand 5	C	115	120	anti-parallel
Strand 6	C	104	110	anti-parallel
Strand 7	C	254	257	parallel
Strand 8	C	260	261	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	C	129	130	first strand
Strand 2	C	135	136	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	C	147	148	first strand
Strand 2	D	35	36	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	C	289	294	first strand
Strand 2	C	297	303	anti-parallel
Strand 3	C	360	366	anti-parallel
Strand 4	C	309	314	parallel
Strand 5	C	317	318	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	C	322	323	first strand
Strand 2	C	380	381	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	C	422	425	first strand
Strand 2	D	421	424	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	D	57	65	first strand
Strand 2	D	69	77	anti-parallel

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There are 8 strands in X sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	200	208	first strand
Strand 2	D	188	195	anti-parallel
Strand 3	D	174	183	anti-parallel
Strand 4	D	214	221	anti-parallel
Strand 5	D	115	120	anti-parallel
Strand 6	D	104	110	anti-parallel
Strand 7	D	254	257	parallel
Strand 8	D	260	261	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	D	129	130	first strand
Strand 2	D	135	136	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	D	289	294	first strand
Strand 2	D	297	301	anti-parallel
Strand 3	D	361	366	anti-parallel
Strand 4	D	309	314	parallel
Strand 5	D	317	318	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	D	322	323	first strand
Strand 2	D	380	381	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: 1ZXN

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