Analysis of interatomic Contacts of Structural Units in PDB entry:
4K2H

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 4K2H entry

There are 8 chains in PDB entry 4K2H (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	MET 1	TRP 185
B	MET 1	TRP 185
C	MET 1	TRP 185
D	ALA 0	TRP 185
E	MET 1	TRP 185
F	MET 1	TRP 185
G	ALA 0	TRP 185
H	MET 1	ILE 29

There are134 helices in PDB entry 4K2H. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	13	27	Right-handed alpha
Helix 2	2	A	57	59	Right-handed 310
Helix 3	3	A	72	81	Right-handed alpha
Helix 4	4	A	82	95	Right-handed alpha
Helix 5	5	A	104	109	Right-handed alpha
Helix 6	6	A	110	114	Right-handed 310
Helix 7	7	A	126	131	Right-handed 310
Helix 8	8	A	152	154	Right-handed 310
Helix 9	9	A	155	169	Right-handed alpha
Helix 10	10	A	170	181	Right-handed alpha
Helix 11	11	B	13	27	Right-handed alpha
Helix 12	12	B	57	60	Right-handed 310
Helix 13	13	B	72	81	Right-handed alpha
Helix 14	14	B	82	95	Right-handed alpha
Helix 15	15	B	104	109	Right-handed alpha
Helix 16	16	B	110	114	Right-handed 310
Helix 17	17	B	126	131	Right-handed 310
Helix 18	18	B	152	154	Right-handed 310
Helix 19	19	B	155	169	Right-handed alpha
Helix 20	20	B	170	181	Right-handed alpha
Helix 21	21	C	13	27	Right-handed alpha
Helix 22	22	C	57	59	Right-handed 310
Helix 23	23	C	72	81	Right-handed alpha
Helix 24	24	C	82	95	Right-handed alpha
Helix 25	25	C	104	109	Right-handed alpha
Helix 26	26	C	126	131	Right-handed 310
Helix 27	27	C	152	154	Right-handed 310
Helix 28	28	C	155	169	Right-handed alpha
Helix 29	29	C	170	181	Right-handed alpha
Helix 30	30	D	13	27	Right-handed alpha
Helix 31	31	D	57	60	Right-handed 310
Helix 32	32	D	72	81	Right-handed alpha
Helix 33	33	D	82	95	Right-handed alpha
Helix 34	34	D	104	109	Right-handed alpha
Helix 35	35	D	110	114	Right-handed 310
Helix 36	36	D	126	131	Right-handed 310
Helix 37	37	D	152	154	Right-handed 310
Helix 38	38	D	155	169	Right-handed alpha
Helix 39	39	D	170	181	Right-handed alpha
Helix 40	40	E	13	27	Right-handed alpha
Helix 41	41	E	57	59	Right-handed 310
Helix 42	42	E	72	81	Right-handed alpha
Helix 43	43	E	82	95	Right-handed alpha
Helix 44	44	E	104	109	Right-handed alpha
Helix 45	45	E	126	131	Right-handed 310
Helix 46	46	E	152	154	Right-handed 310
Helix 47	47	E	155	169	Right-handed alpha
Helix 48	48	E	170	181	Right-handed alpha
Helix 49	49	F	13	27	Right-handed alpha
Helix 50	50	F	57	60	Right-handed 310
Helix 51	51	F	72	81	Right-handed alpha
Helix 52	52	F	82	95	Right-handed alpha
Helix 53	53	F	104	109	Right-handed alpha
Helix 54	54	F	110	114	Right-handed 310
Helix 55	55	F	126	131	Right-handed 310
Helix 56	56	F	152	154	Right-handed 310
Helix 57	57	F	155	169	Right-handed alpha
Helix 58	58	F	170	182	Right-handed alpha
Helix 59	59	G	13	27	Right-handed alpha
Helix 60	60	G	57	59	Right-handed 310
Helix 61	61	G	72	82	Right-handed alpha
Helix 62	62	G	82	95	Right-handed alpha
Helix 63	63	G	104	110	Right-handed alpha
Helix 64	64	G	111	114	Right-handed 310
Helix 65	65	G	126	131	Right-handed 310
Helix 66	66	G	152	154	Right-handed 310
Helix 67	67	G	155	169	Right-handed alpha
Helix 68	68	G	170	181	Right-handed alpha
Helix 69	69	H	13	27	Right-handed alpha
Helix 70	70	H	57	59	Right-handed 310
Helix 71	71	H	72	82	Right-handed alpha
Helix 72	72	H	82	95	Right-handed alpha
Helix 73	73	H	104	110	Right-handed alpha
Helix 74	74	H	126	131	Right-handed 310
Helix 75	75	H	152	154	Right-handed 310
Helix 76	76	H	155	169	Right-handed alpha
Helix 77	77	H	170	181	Right-handed alpha
Helix 78	78	I	13	27	Right-handed alpha
Helix 79	79	I	57	59	Right-handed 310
Helix 80	80	I	72	81	Right-handed alpha
Helix 81	81	I	82	95	Right-handed alpha
Helix 82	82	I	104	109	Right-handed alpha
Helix 83	83	I	110	114	Right-handed 310
Helix 84	84	I	126	131	Right-handed 310
Helix 85	85	I	152	154	Right-handed 310
Helix 86	86	I	155	169	Right-handed alpha
Helix 87	87	I	171	182	Right-handed alpha
Helix 88	88	J	13	27	Right-handed alpha
Helix 89	89	J	57	60	Right-handed 310
Helix 90	90	J	72	81	Right-handed alpha
Helix 91	91	J	82	95	Right-handed alpha
Helix 92	92	J	104	109	Right-handed alpha
Helix 93	93	J	126	131	Right-handed 310
Helix 94	94	J	152	154	Right-handed 310
Helix 95	95	J	155	169	Right-handed alpha
Helix 96	96	J	171	181	Right-handed alpha
Helix 97	97	K	13	27	Right-handed alpha
Helix 98	98	K	57	60	Right-handed 310
Helix 99	99	K	72	81	Right-handed alpha
Helix 100	100	K	82	95	Right-handed alpha
Helix 101	101	K	104	110	Right-handed alpha
Helix 102	102	K	111	114	Right-handed 310
Helix 103	103	K	126	131	Right-handed 310
Helix 104	104	K	152	154	Right-handed 310
Helix 105	105	K	155	169	Right-handed alpha
Helix 106	106	K	170	181	Right-handed alpha
Helix 107	107	L	13	27	Right-handed alpha
Helix 108	108	L	57	60	Right-handed 310
Helix 109	109	L	72	81	Right-handed alpha
Helix 110	110	L	82	95	Right-handed alpha
Helix 111	111	L	104	110	Right-handed alpha
Helix 112	112	L	126	131	Right-handed 310
Helix 113	113	L	152	154	Right-handed 310
Helix 114	114	L	155	169	Right-handed alpha
Helix 115	115	L	170	181	Right-handed alpha
Helix 116	116	M	13	27	Right-handed alpha
Helix 117	117	M	57	59	Right-handed 310
Helix 118	118	M	72	81	Right-handed alpha
Helix 119	119	M	82	95	Right-handed alpha
Helix 120	120	M	104	109	Right-handed alpha
Helix 121	121	M	126	131	Right-handed 310
Helix 122	122	M	152	154	Right-handed 310
Helix 123	123	M	155	169	Right-handed alpha
Helix 124	124	M	170	182	Right-handed alpha
Helix 125	125	N	13	27	Right-handed alpha
Helix 126	126	N	57	60	Right-handed 310
Helix 127	127	N	72	81	Right-handed alpha
Helix 128	128	N	82	95	Right-handed alpha
Helix 129	129	N	104	109	Right-handed alpha
Helix 130	130	N	110	114	Right-handed 310
Helix 131	131	N	126	131	Right-handed 310
Helix 132	132	N	152	154	Right-handed 310
Helix 133	133	N	155	169	Right-handed alpha
Helix 134	134	N	170	181	Right-handed alpha

There are 56 sheets in PDB entry 4K2H. 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, AB, AC, AD, AE, AF, AG, AH, AI, AJ, AK, AL, AM, AN, AO, AP, AQ, AR, AS, AT, AU, AV, AW, AX, AY, AZ, BA, BB, BC, BD,

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	54	55	first strand
Strand 2	A	30	35	parallel
Strand 3	A	3	8	parallel
Strand 4	A	66	69	parallel
Strand 5	A	98	101	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	41	43	first strand
Strand 2	A	49	51	anti-parallel

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There are 2 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	120	121	first strand
Strand 2	A	135	136	parallel

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There are 2 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	141	144	first strand
Strand 2	A	147	150	anti-parallel

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There are 5 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	54	55	first strand
Strand 2	B	30	35	parallel
Strand 3	B	3	8	parallel
Strand 4	B	66	69	parallel
Strand 5	B	98	101	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	B	41	43	first strand
Strand 2	B	49	51	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	120	121	first strand
Strand 2	B	135	136	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	141	144	first strand
Strand 2	B	147	150	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	C	54	55	first strand
Strand 2	C	30	35	parallel
Strand 3	C	3	8	parallel
Strand 4	C	66	69	parallel
Strand 5	C	98	101	parallel

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There are 2 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	41	43	first strand
Strand 2	C	49	51	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	C	120	121	first strand
Strand 2	C	135	136	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	141	144	first strand
Strand 2	C	147	150	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	D	54	55	first strand
Strand 2	D	30	35	parallel
Strand 3	D	3	8	parallel
Strand 4	D	66	69	parallel
Strand 5	D	98	101	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	41	43	first strand
Strand 2	D	49	51	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	D	120	121	first strand
Strand 2	D	135	136	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	141	144	first strand
Strand 2	D	147	150	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	54	55	first strand
Strand 2	E	30	35	parallel
Strand 3	E	3	8	parallel
Strand 4	E	66	69	parallel
Strand 5	E	98	101	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	E	41	43	first strand
Strand 2	E	49	51	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	E	120	121	first strand
Strand 2	E	135	136	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	141	144	first strand
Strand 2	E	147	150	anti-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	F	54	55	first strand
Strand 2	F	30	35	parallel
Strand 3	F	3	8	parallel
Strand 4	F	66	69	parallel
Strand 5	F	98	101	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	F	41	43	first strand
Strand 2	F	49	51	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	F	120	121	first strand
Strand 2	F	135	136	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	F	141	144	first strand
Strand 2	F	147	150	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	54	55	first strand
Strand 2	G	30	35	parallel
Strand 3	G	3	8	parallel
Strand 4	G	66	69	parallel
Strand 5	G	98	101	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	41	43	first strand
Strand 2	G	49	51	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	G	120	121	first strand
Strand 2	G	135	136	parallel

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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	G	141	144	first strand
Strand 2	G	147	150	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	54	55	first strand
Strand 2	H	30	35	parallel
Strand 3	H	3	8	parallel
Strand 4	H	66	69	parallel
Strand 5	H	98	101	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	41	43	first strand
Strand 2	H	49	51	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	120	121	first strand
Strand 2	H	135	136	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	141	144	first strand
Strand 2	H	147	150	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	54	55	first strand
Strand 2	I	30	35	parallel
Strand 3	I	3	8	parallel
Strand 4	I	66	69	parallel
Strand 5	I	98	101	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	41	43	first strand
Strand 2	I	49	51	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	120	121	first strand
Strand 2	I	135	136	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	141	144	first strand
Strand 2	I	147	150	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	54	55	first strand
Strand 2	J	30	35	parallel
Strand 3	J	3	8	parallel
Strand 4	J	66	69	parallel
Strand 5	J	98	101	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	41	43	first strand
Strand 2	J	49	51	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	120	121	first strand
Strand 2	J	135	136	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	141	144	first strand
Strand 2	J	147	150	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	54	55	first strand
Strand 2	K	30	35	parallel
Strand 3	K	3	8	parallel
Strand 4	K	66	69	parallel
Strand 5	K	98	101	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	41	43	first strand
Strand 2	K	49	51	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	120	121	first strand
Strand 2	K	135	136	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	141	144	first strand
Strand 2	K	147	150	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	54	55	first strand
Strand 2	L	30	35	parallel
Strand 3	L	3	8	parallel
Strand 4	L	66	69	parallel
Strand 5	L	98	101	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	41	43	first strand
Strand 2	L	49	51	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	120	121	first strand
Strand 2	L	135	136	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	141	144	first strand
Strand 2	L	147	150	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	54	55	first strand
Strand 2	M	30	35	parallel
Strand 3	M	3	8	parallel
Strand 4	M	66	69	parallel
Strand 5	M	98	101	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	41	43	first strand
Strand 2	M	49	51	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	120	121	first strand
Strand 2	M	135	136	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	141	144	first strand
Strand 2	M	147	150	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	54	55	first strand
Strand 2	N	30	35	parallel
Strand 3	N	3	8	parallel
Strand 4	N	66	69	parallel
Strand 5	N	98	101	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	N	41	43	first strand
Strand 2	N	49	51	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	120	121	first strand
Strand 2	N	135	136	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	141	144	first strand
Strand 2	N	147	150	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: 4K2H

Analysis of interatomic Contacts of Structural Units in PDB entry:
4K2H