Analysis of interatomic Contacts of Structural Units in PDB entry:
1A4Z

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 1A4Z entry

There are 4 chains in PDB entry 1A4Z (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	VAL 8	SER 500
B	VAL 8	SER 500
C	VAL 8	SER 500
D	VAL 8	SER 500

There are 68 helices in PDB entry 1A4Z. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	56	70	Right-handed alpha
Helix 2	2	A	75	78	Right-handed alpha
Helix 3	3	A	81	97	Right-handed alpha
Helix 4	4	A	99	110	Right-handed alpha
Helix 5	5	A	114	119	Right-handed alpha
Helix 6	6	A	121	133	Right-handed alpha
Helix 7	7	A	171	184	Right-handed alpha
Helix 8	8	A	199	211	Right-handed alpha
Helix 9	9	A	225	233	Right-handed alpha
Helix 10	10	A	247	259	Right-handed alpha
Helix 11	11	A	283	299	Right-handed alpha
Helix 12	12	A	312	328	Right-handed alpha
Helix 13	13	A	347	364	Right-handed alpha
Helix 14	14	A	394	397	Right-handed alpha
Helix 15	15	A	413	421	Right-handed alpha
Helix 16	16	A	436	445	Right-handed alpha
Helix 17	17	A	479	485	Right-handed 310
Helix 18	18	B	56	70	Right-handed alpha
Helix 19	19	B	75	78	Right-handed alpha
Helix 20	20	B	81	97	Right-handed alpha
Helix 21	21	B	99	110	Right-handed alpha
Helix 22	22	B	114	119	Right-handed alpha
Helix 23	23	B	121	135	Right-handed alpha
Helix 24	24	B	171	184	Right-handed alpha
Helix 25	25	B	199	211	Right-handed alpha
Helix 26	26	B	225	233	Right-handed alpha
Helix 27	27	B	247	259	Right-handed alpha
Helix 28	28	B	283	295	Right-handed alpha
Helix 29	29	B	312	328	Right-handed alpha
Helix 30	30	B	347	362	Right-handed alpha
Helix 31	31	B	394	397	Right-handed alpha
Helix 32	32	B	413	421	Right-handed alpha
Helix 33	33	B	436	445	Right-handed alpha
Helix 34	34	B	479	485	Right-handed 310
Helix 35	35	C	56	70	Right-handed alpha
Helix 36	36	C	75	78	Right-handed alpha
Helix 37	37	C	81	97	Right-handed alpha
Helix 38	38	C	99	110	Right-handed alpha
Helix 39	39	C	114	119	Right-handed alpha
Helix 40	40	C	121	135	Right-handed alpha
Helix 41	41	C	171	184	Right-handed alpha
Helix 42	42	C	199	211	Right-handed alpha
Helix 43	43	C	225	233	Right-handed alpha
Helix 44	44	C	247	259	Right-handed alpha
Helix 45	45	C	283	295	Right-handed alpha
Helix 46	46	C	312	328	Right-handed alpha
Helix 47	47	C	347	364	Right-handed alpha
Helix 48	48	C	394	397	Right-handed alpha
Helix 49	49	C	413	421	Right-handed alpha
Helix 50	50	C	436	445	Right-handed alpha
Helix 51	51	C	479	485	Right-handed 310
Helix 52	52	D	56	70	Right-handed alpha
Helix 53	53	D	75	78	Right-handed alpha
Helix 54	54	D	81	97	Right-handed alpha
Helix 55	55	D	99	110	Right-handed alpha
Helix 56	56	D	114	119	Right-handed alpha
Helix 57	57	D	121	134	Right-handed alpha
Helix 58	58	D	171	184	Right-handed alpha
Helix 59	59	D	199	211	Right-handed alpha
Helix 60	60	D	225	233	Right-handed alpha
Helix 61	61	D	247	259	Right-handed alpha
Helix 62	62	D	283	295	Right-handed alpha
Helix 63	63	D	312	328	Right-handed alpha
Helix 64	64	D	347	364	Right-handed alpha
Helix 65	65	D	394	397	Right-handed alpha
Helix 66	66	D	413	421	Right-handed alpha
Helix 67	67	D	436	445	Right-handed alpha
Helix 68	68	D	479	485	Right-handed 310

There are 23 sheets in PDB entry 1A4Z. 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,

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	22	24	first strand
Strand 2	A	27	29	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	150	158	first strand
Strand 2	A	486	494	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	264	268	first strand
Strand 2	A	240	244	parallel
Strand 3	A	161	165	parallel
Strand 4	A	188	193	parallel
Strand 5	A	218	222	parallel

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There are 5 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	451	453	first strand
Strand 2	A	429	432	parallel
Strand 3	A	273	277	parallel
Strand 4	A	305	311	parallel
Strand 5	A	407	410	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	A	404	406	first strand
Strand 2	A	384	387	parallel
Strand 3	A	366	369	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	36	40	first strand
Strand 2	A	47	52	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	22	24	first strand
Strand 2	B	27	29	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	150	158	first strand
Strand 2	B	486	494	anti-parallel

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There are 5 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	264	268	first strand
Strand 2	B	240	244	parallel
Strand 3	B	161	165	parallel
Strand 4	B	188	193	parallel
Strand 5	B	218	222	parallel

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There are 7 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	451	453	first strand
Strand 2	B	429	432	parallel
Strand 3	B	274	277	parallel
Strand 4	B	307	311	parallel
Strand 5	B	404	410	parallel
Strand 6	B	384	387	parallel
Strand 7	B	366	369	anti-parallel

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There are 2 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	36	40	first strand
Strand 2	B	47	52	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	22	24	first strand
Strand 2	C	27	29	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	150	158	first strand
Strand 2	C	486	494	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	C	264	268	first strand
Strand 2	C	240	244	parallel
Strand 3	C	161	165	parallel
Strand 4	C	188	193	parallel
Strand 5	C	218	222	parallel

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There are 5 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	451	453	first strand
Strand 2	C	429	432	parallel
Strand 3	C	273	277	parallel
Strand 4	C	305	311	parallel
Strand 5	C	407	410	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	404	406	first strand
Strand 2	C	384	387	parallel
Strand 3	C	366	369	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	C	36	40	first strand
Strand 2	C	47	52	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	22	24	first strand
Strand 2	D	27	29	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	D	150	158	first strand
Strand 2	D	486	494	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	D	264	268	first strand
Strand 2	D	240	244	parallel
Strand 3	D	161	165	parallel
Strand 4	D	188	193	parallel
Strand 5	D	218	222	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	451	453	first strand
Strand 2	D	429	432	parallel
Strand 3	D	274	277	parallel
Strand 4	D	307	311	parallel
Strand 5	D	407	410	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	D	404	406	first strand
Strand 2	D	384	387	parallel
Strand 3	D	366	369	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	36	41	first strand
Strand 2	D	46	52	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: 1A4Z

Analysis of interatomic Contacts of Structural Units in PDB entry:
1A4Z