Analysis of interatomic Contacts of Structural Units in PDB entry:
1OK4

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 1OK4 entry

There are 10 chains in PDB entry 1OK4 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	ASN 3	GLY 253
B	ASN 3	GLY 253
C	ASN 3	GLY 253
D	ASN 3	GLY 253
E	ASN 3	LYS 255
F	ASN 3	GLY 253
G	ASN 3	GLY 253
H	ASN 3	GLY 253
I	ASN 3	GLY 253
J	ASN 3	GLY 253

There are130 helices in PDB entry 1OK4. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	3	13	Right-handed alpha
Helix 2	2	A	24	29	Right-handed alpha
Helix 3	3	A	30	35	Right-handed 310
Helix 4	4	A	37	41	Right-handed 310
Helix 5	5	A	42	53	Right-handed alpha
Helix 6	6	A	61	69	Right-handed alpha
Helix 7	7	A	97	104	Right-handed alpha
Helix 8	8	A	119	138	Right-handed alpha
Helix 9	9	A	157	172	Right-handed alpha
Helix 10	10	A	183	194	Right-handed alpha
Helix 11	11	A	209	223	Right-handed alpha
Helix 12	12	A	231	236	Right-handed alpha
Helix 13	13	A	239	251	Right-handed alpha
Helix 14	14	B	3	13	Right-handed alpha
Helix 15	15	B	24	29	Right-handed alpha
Helix 16	16	B	30	35	Right-handed 310
Helix 17	17	B	37	41	Right-handed 310
Helix 18	18	B	42	53	Right-handed alpha
Helix 19	19	B	61	69	Right-handed alpha
Helix 20	20	B	97	104	Right-handed alpha
Helix 21	21	B	119	137	Right-handed alpha
Helix 22	22	B	157	172	Right-handed alpha
Helix 23	23	B	183	194	Right-handed alpha
Helix 24	24	B	209	223	Right-handed alpha
Helix 25	25	B	231	236	Right-handed alpha
Helix 26	26	B	239	251	Right-handed alpha
Helix 27	27	C	3	13	Right-handed alpha
Helix 28	28	C	24	29	Right-handed alpha
Helix 29	29	C	30	35	Right-handed 310
Helix 30	30	C	37	41	Right-handed 310
Helix 31	31	C	42	54	Right-handed alpha
Helix 32	32	C	61	69	Right-handed alpha
Helix 33	33	C	97	104	Right-handed alpha
Helix 34	34	C	119	138	Right-handed alpha
Helix 35	35	C	157	172	Right-handed alpha
Helix 36	36	C	183	194	Right-handed alpha
Helix 37	37	C	209	223	Right-handed alpha
Helix 38	38	C	231	236	Right-handed alpha
Helix 39	39	C	239	251	Right-handed alpha
Helix 40	40	D	3	13	Right-handed alpha
Helix 41	41	D	24	29	Right-handed alpha
Helix 42	42	D	30	35	Right-handed 310
Helix 43	43	D	37	41	Right-handed 310
Helix 44	44	D	42	53	Right-handed alpha
Helix 45	45	D	61	69	Right-handed alpha
Helix 46	46	D	97	104	Right-handed alpha
Helix 47	47	D	119	138	Right-handed alpha
Helix 48	48	D	157	172	Right-handed alpha
Helix 49	49	D	183	194	Right-handed alpha
Helix 50	50	D	209	223	Right-handed alpha
Helix 51	51	D	231	236	Right-handed alpha
Helix 52	52	D	239	251	Right-handed alpha
Helix 53	53	E	3	13	Right-handed alpha
Helix 54	54	E	24	29	Right-handed alpha
Helix 55	55	E	30	35	Right-handed 310
Helix 56	56	E	37	41	Right-handed 310
Helix 57	57	E	42	53	Right-handed alpha
Helix 58	58	E	61	69	Right-handed alpha
Helix 59	59	E	97	104	Right-handed alpha
Helix 60	60	E	119	138	Right-handed alpha
Helix 61	61	E	157	172	Right-handed alpha
Helix 62	62	E	183	194	Right-handed alpha
Helix 63	63	E	209	223	Right-handed alpha
Helix 64	64	E	231	236	Right-handed alpha
Helix 65	65	E	239	253	Right-handed alpha
Helix 66	66	F	3	13	Right-handed alpha
Helix 67	67	F	24	29	Right-handed alpha
Helix 68	68	F	30	35	Right-handed 310
Helix 69	69	F	37	41	Right-handed 310
Helix 70	70	F	42	53	Right-handed alpha
Helix 71	71	F	61	69	Right-handed alpha
Helix 72	72	F	97	104	Right-handed alpha
Helix 73	73	F	119	138	Right-handed alpha
Helix 74	74	F	157	172	Right-handed alpha
Helix 75	75	F	183	194	Right-handed alpha
Helix 76	76	F	209	223	Right-handed alpha
Helix 77	77	F	231	236	Right-handed alpha
Helix 78	78	F	239	251	Right-handed alpha
Helix 79	79	G	3	13	Right-handed alpha
Helix 80	80	G	24	29	Right-handed alpha
Helix 81	81	G	30	35	Right-handed 310
Helix 82	82	G	37	41	Right-handed 310
Helix 83	83	G	42	53	Right-handed alpha
Helix 84	84	G	61	69	Right-handed alpha
Helix 85	85	G	97	104	Right-handed alpha
Helix 86	86	G	119	138	Right-handed alpha
Helix 87	87	G	157	172	Right-handed alpha
Helix 88	88	G	183	194	Right-handed alpha
Helix 89	89	G	209	223	Right-handed alpha
Helix 90	90	G	231	236	Right-handed alpha
Helix 91	91	G	239	251	Right-handed alpha
Helix 92	92	H	3	13	Right-handed alpha
Helix 93	93	H	24	29	Right-handed alpha
Helix 94	94	H	30	35	Right-handed 310
Helix 95	95	H	37	41	Right-handed 310
Helix 96	96	H	42	53	Right-handed alpha
Helix 97	97	H	61	69	Right-handed alpha
Helix 98	98	H	97	104	Right-handed alpha
Helix 99	99	H	119	138	Right-handed alpha
Helix 100	100	H	157	171	Right-handed alpha
Helix 101	101	H	183	194	Right-handed alpha
Helix 102	102	H	209	223	Right-handed alpha
Helix 103	103	H	231	236	Right-handed alpha
Helix 104	104	H	239	251	Right-handed alpha
Helix 105	105	I	3	13	Right-handed alpha
Helix 106	106	I	24	29	Right-handed alpha
Helix 107	107	I	30	35	Right-handed 310
Helix 108	108	I	37	41	Right-handed 310
Helix 109	109	I	42	53	Right-handed alpha
Helix 110	110	I	61	69	Right-handed alpha
Helix 111	111	I	97	104	Right-handed alpha
Helix 112	112	I	119	138	Right-handed alpha
Helix 113	113	I	157	172	Right-handed alpha
Helix 114	114	I	183	194	Right-handed alpha
Helix 115	115	I	209	223	Right-handed alpha
Helix 116	116	I	231	236	Right-handed alpha
Helix 117	117	I	239	251	Right-handed alpha
Helix 118	118	J	3	13	Right-handed alpha
Helix 119	119	J	24	29	Right-handed alpha
Helix 120	120	J	30	35	Right-handed 310
Helix 121	121	J	37	41	Right-handed 310
Helix 122	122	J	42	54	Right-handed alpha
Helix 123	123	J	61	69	Right-handed alpha
Helix 124	124	J	97	104	Right-handed alpha
Helix 125	125	J	119	138	Right-handed alpha
Helix 126	126	J	157	172	Right-handed alpha
Helix 127	127	J	183	194	Right-handed alpha
Helix 128	128	J	209	223	Right-handed alpha
Helix 129	129	J	231	236	Right-handed alpha
Helix 130	130	J	239	251	Right-handed alpha

There are 20 sheets in PDB entry 1OK4. Click on sheet of interest to get list of strands forming it: AA, AB, BA, BB, CA, CB, DA, DB, EA, EB, FA, FB, GA, GB, HA, HB, IA, IB, JA, JB,

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	18	22	first strand
Strand 2	A	227	230	parallel
Strand 3	A	199	202	parallel
Strand 4	A	175	179	parallel
Strand 5	A	141	145	parallel
Strand 6	A	108	113	parallel
Strand 7	A	75	78	parallel
Strand 8	A	57	60	parallel
Strand 9	A	18	22	parallel
Strand 10	A	18	22	first strand

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	80	81	first strand
Strand 2	A	93	94	anti-parallel

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There are 9 strands in BA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	18	22	first strand
Strand 2	B	227	230	parallel
Strand 3	B	199	202	parallel
Strand 4	B	175	179	parallel
Strand 5	B	141	145	parallel
Strand 6	B	108	113	parallel
Strand 7	B	75	78	parallel
Strand 8	B	57	60	parallel
Strand 9	B	18	22	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	80	81	first strand
Strand 2	B	93	94	anti-parallel

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There are 9 strands in CA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	18	22	first strand
Strand 2	C	227	230	parallel
Strand 3	C	199	202	parallel
Strand 4	C	175	179	parallel
Strand 5	C	141	145	parallel
Strand 6	C	108	113	parallel
Strand 7	C	75	78	parallel
Strand 8	C	57	60	parallel
Strand 9	C	18	22	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	80	81	first strand
Strand 2	C	93	94	anti-parallel

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There are 17 strands in DA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	18	22	first strand
Strand 2	D	227	230	parallel
Strand 3	D	199	202	parallel
Strand 4	D	57	60	first strand
Strand 5	D	18	22	parallel
Strand 6	D	75	78	first strand
Strand 7	D	57	60	parallel
Strand 8	D	108	113	first strand
Strand 9	D	75	78	parallel
Strand 10	D	141	145	first strand
Strand 11	D	108	113	parallel
Strand 12	D	175	178	first strand
Strand 13	D	141	145	parallel
Strand 14	D	199	202	first strand
Strand 15	D	175	178	parallel
Strand 16	D	227	230	first strand
Strand 17	D	18	22	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	80	81	first strand
Strand 2	D	93	94	anti-parallel

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There are 16 strands in EA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	18	22	first strand
Strand 2	E	227	230	parallel
Strand 3	E	57	60	first strand
Strand 4	E	18	22	parallel
Strand 5	E	75	78	first strand
Strand 6	E	57	60	parallel
Strand 7	E	108	113	first strand
Strand 8	E	75	78	parallel
Strand 9	E	141	145	first strand
Strand 10	E	108	113	parallel
Strand 11	E	175	178	first strand
Strand 12	E	141	145	parallel
Strand 13	E	199	202	first strand
Strand 14	E	175	178	parallel
Strand 15	E	227	230	first strand
Strand 16	E	18	22	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	80	81	first strand
Strand 2	E	93	94	anti-parallel

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There are 16 strands in FA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	18	22	first strand
Strand 2	F	227	230	parallel
Strand 3	F	57	60	first strand
Strand 4	F	18	22	parallel
Strand 5	F	75	78	first strand
Strand 6	F	57	60	parallel
Strand 7	F	108	113	first strand
Strand 8	F	75	78	parallel
Strand 9	F	141	145	first strand
Strand 10	F	108	113	parallel
Strand 11	F	175	178	first strand
Strand 12	F	141	145	parallel
Strand 13	F	199	202	first strand
Strand 14	F	175	178	parallel
Strand 15	F	227	230	first strand
Strand 16	F	18	22	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	80	81	first strand
Strand 2	F	93	94	anti-parallel

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There are 16 strands in GA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	18	22	first strand
Strand 2	G	227	230	parallel
Strand 3	G	57	60	first strand
Strand 4	G	18	22	parallel
Strand 5	G	75	78	first strand
Strand 6	G	57	60	parallel
Strand 7	G	108	113	first strand
Strand 8	G	75	78	parallel
Strand 9	G	141	145	first strand
Strand 10	G	108	113	parallel
Strand 11	G	175	178	first strand
Strand 12	G	141	145	parallel
Strand 13	G	199	202	first strand
Strand 14	G	175	178	parallel
Strand 15	G	227	230	first strand
Strand 16	G	18	22	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	80	81	first strand
Strand 2	G	93	94	anti-parallel

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There are 16 strands in HA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	18	22	first strand
Strand 2	H	227	230	parallel
Strand 3	H	57	60	first strand
Strand 4	H	18	22	parallel
Strand 5	H	75	78	first strand
Strand 6	H	57	60	parallel
Strand 7	H	108	113	first strand
Strand 8	H	75	78	parallel
Strand 9	H	141	145	first strand
Strand 10	H	108	113	parallel
Strand 11	H	175	178	first strand
Strand 12	H	141	145	parallel
Strand 13	H	199	202	first strand
Strand 14	H	175	178	parallel
Strand 15	H	227	230	first strand
Strand 16	H	18	22	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	80	81	first strand
Strand 2	H	93	94	anti-parallel

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There are 16 strands in IA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	18	22	first strand
Strand 2	I	227	230	parallel
Strand 3	I	57	60	first strand
Strand 4	I	18	22	parallel
Strand 5	I	75	78	first strand
Strand 6	I	57	60	parallel
Strand 7	I	108	113	first strand
Strand 8	I	75	78	parallel
Strand 9	I	141	145	first strand
Strand 10	I	108	113	parallel
Strand 11	I	175	179	first strand
Strand 12	I	141	145	parallel
Strand 13	I	199	202	first strand
Strand 14	I	175	179	parallel
Strand 15	I	227	230	first strand
Strand 16	I	18	22	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	80	81	first strand
Strand 2	I	93	94	anti-parallel

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There are 16 strands in JA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	18	22	first strand
Strand 2	J	227	230	parallel
Strand 3	J	57	60	first strand
Strand 4	J	18	22	parallel
Strand 5	J	75	78	first strand
Strand 6	J	57	60	parallel
Strand 7	J	108	113	first strand
Strand 8	J	75	78	parallel
Strand 9	J	141	145	first strand
Strand 10	J	108	113	parallel
Strand 11	J	175	179	first strand
Strand 12	J	141	145	parallel
Strand 13	J	199	202	first strand
Strand 14	J	175	179	parallel
Strand 15	J	227	230	first strand
Strand 16	J	18	22	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	80	81	first strand
Strand 2	J	93	94	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: 1OK4

Analysis of interatomic Contacts of Structural Units in PDB entry:
1OK4