Analysis of interatomic Contacts of Structural Units in PDB entry:
1S4D

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 1S4D entry

There are 12 chains in PDB entry 1S4D (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	PHE 6	PRO 270
B	ASP 4	ALA 267
D	ALA 7	GLY 263
E	ASP 4	PRO 270
F	ALA 7	ASP 269
G	GLY 8	ALA 267
H	PHE 6	PHE 271
I	ASP 4	ASP 269
J	PHE 6	ALA 268
K	LEU 5	GLY 263
L	ALA 7	ALA 260
M	PRO 10	ASP 269

There are131 helices in PDB entry 1S4D. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	31	41	Right-handed alpha
Helix 2	2	A	53	58	Right-handed 310
Helix 3	3	A	77	91	Right-handed alpha
Helix 4	4	A	108	118	Right-handed alpha
Helix 5	5	A	133	139	Right-handed alpha
Helix 6	6	A	169	175	Right-handed alpha
Helix 7	7	A	188	199	Right-handed alpha
Helix 8	8	A	227	236	Right-handed alpha
Helix 9	9	A	247	250	Right-handed 310
Helix 10	10	A	251	256	Right-handed alpha
Helix 11	11	A	256	262	Right-handed alpha
Helix 12	12	B	26	30	Right-handed 310
Helix 13	13	B	31	41	Right-handed alpha
Helix 14	14	B	51	58	Right-handed 310
Helix 15	15	B	77	91	Right-handed alpha
Helix 16	16	B	108	119	Right-handed alpha
Helix 17	17	B	133	138	Right-handed alpha
Helix 18	18	B	169	177	Right-handed alpha
Helix 19	19	B	188	199	Right-handed alpha
Helix 20	20	B	225	236	Right-handed alpha
Helix 21	21	B	247	250	Right-handed 310
Helix 22	22	B	251	256	Right-handed alpha
Helix 23	23	D	31	41	Right-handed alpha
Helix 24	24	D	52	58	Right-handed 310
Helix 25	25	D	77	91	Right-handed alpha
Helix 26	26	D	108	119	Right-handed alpha
Helix 27	27	D	133	139	Right-handed alpha
Helix 28	28	D	169	175	Right-handed alpha
Helix 29	29	D	188	199	Right-handed alpha
Helix 30	30	D	225	236	Right-handed alpha
Helix 31	31	D	247	250	Right-handed 310
Helix 32	32	D	251	256	Right-handed alpha
Helix 33	33	E	26	30	Right-handed 310
Helix 34	34	E	31	39	Right-handed alpha
Helix 35	35	E	51	58	Right-handed 310
Helix 36	36	E	77	91	Right-handed alpha
Helix 37	37	E	108	119	Right-handed alpha
Helix 38	38	E	133	138	Right-handed alpha
Helix 39	39	E	169	177	Right-handed alpha
Helix 40	40	E	185	187	Right-handed 310
Helix 41	41	E	188	199	Right-handed alpha
Helix 42	42	E	227	236	Right-handed alpha
Helix 43	43	E	247	250	Right-handed 310
Helix 44	44	E	251	256	Right-handed alpha
Helix 45	45	E	256	262	Right-handed alpha
Helix 46	46	F	31	39	Right-handed alpha
Helix 47	47	F	77	91	Right-handed alpha
Helix 48	48	F	108	118	Right-handed alpha
Helix 49	49	F	133	138	Right-handed alpha
Helix 50	50	F	169	175	Right-handed alpha
Helix 51	51	F	188	199	Right-handed alpha
Helix 52	52	F	227	236	Right-handed alpha
Helix 53	53	F	247	250	Right-handed 310
Helix 54	54	F	251	256	Right-handed alpha
Helix 55	55	G	26	30	Right-handed 310
Helix 56	56	G	31	41	Right-handed alpha
Helix 57	57	G	53	58	Right-handed 310
Helix 58	58	G	77	91	Right-handed alpha
Helix 59	59	G	108	119	Right-handed alpha
Helix 60	60	G	133	139	Right-handed alpha
Helix 61	61	G	169	177	Right-handed alpha
Helix 62	62	G	188	199	Right-handed alpha
Helix 63	63	G	227	236	Right-handed alpha
Helix 64	64	G	247	250	Right-handed 310
Helix 65	65	G	251	256	Right-handed alpha
Helix 66	66	H	31	41	Right-handed alpha
Helix 67	67	H	53	58	Right-handed 310
Helix 68	68	H	77	91	Right-handed alpha
Helix 69	69	H	108	119	Right-handed alpha
Helix 70	70	H	133	138	Right-handed alpha
Helix 71	71	H	169	175	Right-handed alpha
Helix 72	72	H	188	199	Right-handed alpha
Helix 73	73	H	227	236	Right-handed alpha
Helix 74	74	H	247	250	Right-handed 310
Helix 75	75	H	251	256	Right-handed alpha
Helix 76	76	H	256	262	Right-handed alpha
Helix 77	77	I	26	30	Right-handed 310
Helix 78	78	I	31	41	Right-handed alpha
Helix 79	79	I	53	58	Right-handed 310
Helix 80	80	I	77	91	Right-handed alpha
Helix 81	81	I	108	119	Right-handed alpha
Helix 82	82	I	133	139	Right-handed alpha
Helix 83	83	I	169	177	Right-handed alpha
Helix 84	84	I	188	199	Right-handed alpha
Helix 85	85	I	227	235	Right-handed alpha
Helix 86	86	I	247	250	Right-handed 310
Helix 87	87	I	251	256	Right-handed alpha
Helix 88	88	I	256	262	Right-handed alpha
Helix 89	89	J	31	39	Right-handed alpha
Helix 90	90	J	53	58	Right-handed 310
Helix 91	91	J	77	92	Right-handed alpha
Helix 92	92	J	108	120	Right-handed alpha
Helix 93	93	J	133	139	Right-handed alpha
Helix 94	94	J	169	175	Right-handed alpha
Helix 95	95	J	188	198	Right-handed alpha
Helix 96	96	J	227	236	Right-handed alpha
Helix 97	97	J	247	250	Right-handed 310
Helix 98	98	J	251	256	Right-handed alpha
Helix 99	99	K	26	30	Right-handed 310
Helix 100	100	K	31	41	Right-handed alpha
Helix 101	101	K	53	58	Right-handed 310
Helix 102	102	K	77	91	Right-handed alpha
Helix 103	103	K	108	118	Right-handed alpha
Helix 104	104	K	133	138	Right-handed alpha
Helix 105	105	K	169	177	Right-handed alpha
Helix 106	106	K	188	199	Right-handed alpha
Helix 107	107	K	227	236	Right-handed alpha
Helix 108	108	K	247	250	Right-handed 310
Helix 109	109	K	251	256	Right-handed alpha
Helix 110	110	L	26	30	Right-handed 310
Helix 111	111	L	31	40	Right-handed alpha
Helix 112	112	L	78	91	Right-handed alpha
Helix 113	113	L	108	119	Right-handed alpha
Helix 114	114	L	133	138	Right-handed alpha
Helix 115	115	L	169	177	Right-handed alpha
Helix 116	116	L	185	187	Right-handed 310
Helix 117	117	L	188	199	Right-handed alpha
Helix 118	118	L	227	236	Right-handed alpha
Helix 119	119	L	247	250	Right-handed 310
Helix 120	120	L	251	256	Right-handed alpha
Helix 121	121	M	26	30	Right-handed 310
Helix 122	122	M	31	41	Right-handed alpha
Helix 123	123	M	54	58	Right-handed 310
Helix 124	124	M	77	91	Right-handed alpha
Helix 125	125	M	108	119	Right-handed alpha
Helix 126	126	M	133	138	Right-handed alpha
Helix 127	127	M	169	177	Right-handed alpha
Helix 128	128	M	188	200	Right-handed alpha
Helix 129	129	M	227	232	Right-handed alpha
Helix 130	130	M	247	250	Right-handed 310
Helix 131	131	M	251	256	Right-handed alpha

There are 18 sheets in PDB entry 1S4D. 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 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	64	66	first strand
Strand 2	A	43	46	parallel
Strand 3	A	95	99	parallel
Strand 4	A	17	21	parallel
Strand 5	A	123	126	parallel

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There are 10 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	219	224	first strand
Strand 2	A	206	211	anti-parallel
Strand 3	A	241	245	anti-parallel
Strand 4	A	179	183	anti-parallel
Strand 5	A	151	156	parallel
Strand 6	B	151	156	anti-parallel
Strand 7	B	179	183	parallel
Strand 8	B	241	245	anti-parallel
Strand 9	B	206	211	anti-parallel
Strand 10	B	219	224	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	B	63	66	first strand
Strand 2	B	43	46	parallel
Strand 3	B	95	99	parallel
Strand 4	B	17	21	parallel
Strand 5	B	123	126	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	D	63	66	first strand
Strand 2	D	43	46	parallel
Strand 3	D	95	99	parallel
Strand 4	D	17	21	parallel
Strand 5	D	123	126	parallel

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There are 10 strands in E sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	219	224	first strand
Strand 2	D	206	211	anti-parallel
Strand 3	D	241	245	anti-parallel
Strand 4	D	179	183	anti-parallel
Strand 5	D	151	156	parallel
Strand 6	E	151	156	anti-parallel
Strand 7	E	180	183	parallel
Strand 8	E	241	245	anti-parallel
Strand 9	E	206	211	anti-parallel
Strand 10	E	219	224	anti-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	E	63	66	first strand
Strand 2	E	43	46	parallel
Strand 3	E	95	99	parallel
Strand 4	E	17	21	parallel
Strand 5	E	123	126	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	63	66	first strand
Strand 2	F	43	46	parallel
Strand 3	F	95	99	parallel
Strand 4	F	17	21	parallel
Strand 5	F	123	126	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	F	219	224	first strand
Strand 2	F	206	211	anti-parallel
Strand 3	F	241	245	anti-parallel
Strand 4	F	179	183	anti-parallel
Strand 5	F	151	156	parallel
Strand 6	G	151	156	anti-parallel
Strand 7	G	179	183	parallel
Strand 8	G	241	245	anti-parallel
Strand 9	G	206	211	anti-parallel
Strand 10	G	219	224	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	G	63	66	first strand
Strand 2	G	43	46	parallel
Strand 3	G	95	99	parallel
Strand 4	G	17	21	parallel
Strand 5	G	123	126	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	H	63	66	first strand
Strand 2	H	43	46	parallel
Strand 3	H	95	99	parallel
Strand 4	H	17	21	parallel
Strand 5	H	123	126	parallel

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There are 10 strands in K sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	219	224	first strand
Strand 2	H	206	211	anti-parallel
Strand 3	H	241	245	anti-parallel
Strand 4	H	179	183	anti-parallel
Strand 5	H	151	156	parallel
Strand 6	I	151	156	anti-parallel
Strand 7	I	179	183	parallel
Strand 8	I	241	245	anti-parallel
Strand 9	I	206	211	anti-parallel
Strand 10	I	219	224	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	63	66	first strand
Strand 2	I	43	46	parallel
Strand 3	I	95	99	parallel
Strand 4	I	17	21	parallel
Strand 5	I	123	126	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	J	43	46	first strand
Strand 2	J	95	99	parallel
Strand 3	J	17	21	parallel
Strand 4	J	123	126	parallel

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There are 10 strands in N sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	219	224	first strand
Strand 2	J	206	211	anti-parallel
Strand 3	J	241	245	anti-parallel
Strand 4	J	180	183	anti-parallel
Strand 5	J	151	156	parallel
Strand 6	K	151	156	anti-parallel
Strand 7	K	179	183	parallel
Strand 8	K	241	245	anti-parallel
Strand 9	K	206	211	anti-parallel
Strand 10	K	219	224	anti-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	K	63	66	first strand
Strand 2	K	43	46	parallel
Strand 3	K	95	99	parallel
Strand 4	K	17	21	parallel
Strand 5	K	123	126	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	65	66	first strand
Strand 2	L	43	46	parallel
Strand 3	L	95	99	parallel
Strand 4	L	17	21	parallel
Strand 5	L	123	126	parallel

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There are 10 strands in Q sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	219	224	first strand
Strand 2	L	206	211	anti-parallel
Strand 3	L	241	245	anti-parallel
Strand 4	L	179	183	anti-parallel
Strand 5	L	151	156	parallel
Strand 6	M	151	156	anti-parallel
Strand 7	M	180	183	parallel
Strand 8	M	241	245	anti-parallel
Strand 9	M	207	211	anti-parallel
Strand 10	M	219	222	anti-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	M	63	66	first strand
Strand 2	M	43	46	parallel
Strand 3	M	95	99	parallel
Strand 4	M	17	21	parallel
Strand 5	M	123	126	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: 1S4D

Analysis of interatomic Contacts of Structural Units in PDB entry:
1S4D