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

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 4NPQ entry

There are 20 chains in PDB entry 4NPQ (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	VAL 5	PHE 315
B	VAL 5	PHE 315
C	VAL 5	PHE 315
D	VAL 5	PHE 315
E	VAL 5	PHE 315
F	VAL 5	PHE 315
G	VAL 5	PHE 315
H	VAL 5	PHE 315
I	VAL 5	PHE 315
J	VAL 5	PHE 315
K	VAL 5	PHE 315
L	VAL 5	PHE 315
M	VAL 5	PHE 315
N	VAL 5	PHE 315
O	VAL 5	PHE 315
P	VAL 5	PHE 315
Q	VAL 5	PHE 315
R	VAL 5	PHE 315
S	VAL 5	PHE 315
T	VAL 5	PHE 315

There are162 helices in PDB entry 4NPQ. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	50	53	Right-handed 310
Helix 2	2	A	146	149	Right-handed 310
Helix 3	3	A	196	201	Right-handed alpha
Helix 4	4	A	201	213	Right-handed alpha
Helix 5	5	A	214	218	Right-handed 310
Helix 6	6	A	220	243	Right-handed alpha
Helix 7	7	A	253	282	Right-handed alpha
Helix 8	8	A	284	315	Right-handed alpha
Helix 9	9	B	50	53	Right-handed 310
Helix 10	10	B	146	149	Right-handed 310
Helix 11	11	B	196	201	Right-handed alpha
Helix 12	12	B	201	213	Right-handed alpha
Helix 13	13	B	214	218	Right-handed 310
Helix 14	14	B	220	243	Right-handed alpha
Helix 15	15	B	253	282	Right-handed alpha
Helix 16	16	B	284	315	Right-handed alpha
Helix 17	17	C	50	53	Right-handed 310
Helix 18	18	C	146	149	Right-handed 310
Helix 19	19	C	196	201	Right-handed alpha
Helix 20	20	C	201	213	Right-handed alpha
Helix 21	21	C	214	218	Right-handed 310
Helix 22	22	C	220	243	Right-handed alpha
Helix 23	23	C	253	282	Right-handed alpha
Helix 24	24	C	284	315	Right-handed alpha
Helix 25	25	D	31	34	Right-handed 310
Helix 26	26	D	50	53	Right-handed 310
Helix 27	27	D	146	149	Right-handed 310
Helix 28	28	D	196	201	Right-handed alpha
Helix 29	29	D	201	213	Right-handed alpha
Helix 30	30	D	214	218	Right-handed 310
Helix 31	31	D	220	243	Right-handed alpha
Helix 32	32	D	253	282	Right-handed alpha
Helix 33	33	D	284	315	Right-handed alpha
Helix 34	34	E	50	53	Right-handed 310
Helix 35	35	E	146	149	Right-handed 310
Helix 36	36	E	196	201	Right-handed alpha
Helix 37	37	E	201	213	Right-handed alpha
Helix 38	38	E	214	218	Right-handed 310
Helix 39	39	E	220	243	Right-handed alpha
Helix 40	40	E	253	282	Right-handed alpha
Helix 41	41	E	284	315	Right-handed alpha
Helix 42	42	F	50	53	Right-handed 310
Helix 43	43	F	55	60	Right-handed alpha
Helix 44	44	F	146	149	Right-handed 310
Helix 45	45	F	196	201	Right-handed alpha
Helix 46	46	F	201	213	Right-handed alpha
Helix 47	47	F	214	218	Right-handed 310
Helix 48	48	F	220	243	Right-handed alpha
Helix 49	49	F	253	282	Right-handed alpha
Helix 50	50	F	284	315	Right-handed alpha
Helix 51	51	G	50	53	Right-handed 310
Helix 52	52	G	146	149	Right-handed 310
Helix 53	53	G	196	201	Right-handed alpha
Helix 54	54	G	201	213	Right-handed alpha
Helix 55	55	G	214	218	Right-handed 310
Helix 56	56	G	220	243	Right-handed alpha
Helix 57	57	G	253	282	Right-handed alpha
Helix 58	58	G	284	315	Right-handed alpha
Helix 59	59	H	50	53	Right-handed 310
Helix 60	60	H	146	149	Right-handed 310
Helix 61	61	H	196	201	Right-handed alpha
Helix 62	62	H	201	213	Right-handed alpha
Helix 63	63	H	214	218	Right-handed 310
Helix 64	64	H	220	243	Right-handed alpha
Helix 65	65	H	253	282	Right-handed alpha
Helix 66	66	H	284	315	Right-handed alpha
Helix 67	67	I	31	34	Right-handed 310
Helix 68	68	I	50	53	Right-handed 310
Helix 69	69	I	146	149	Right-handed 310
Helix 70	70	I	196	201	Right-handed alpha
Helix 71	71	I	201	213	Right-handed alpha
Helix 72	72	I	214	218	Right-handed 310
Helix 73	73	I	220	243	Right-handed alpha
Helix 74	74	I	253	282	Right-handed alpha
Helix 75	75	I	284	315	Right-handed alpha
Helix 76	76	J	50	53	Right-handed 310
Helix 77	77	J	146	149	Right-handed 310
Helix 78	78	J	196	201	Right-handed alpha
Helix 79	79	J	201	213	Right-handed alpha
Helix 80	80	J	214	218	Right-handed 310
Helix 81	81	J	220	243	Right-handed alpha
Helix 82	82	J	253	282	Right-handed alpha
Helix 83	83	J	284	315	Right-handed alpha
Helix 84	84	K	50	53	Right-handed 310
Helix 85	85	K	146	149	Right-handed 310
Helix 86	86	K	196	201	Right-handed alpha
Helix 87	87	K	201	213	Right-handed alpha
Helix 88	88	K	214	218	Right-handed 310
Helix 89	89	K	220	243	Right-handed alpha
Helix 90	90	K	253	282	Right-handed alpha
Helix 91	91	K	284	315	Right-handed alpha
Helix 92	92	L	50	53	Right-handed 310
Helix 93	93	L	146	149	Right-handed 310
Helix 94	94	L	196	201	Right-handed alpha
Helix 95	95	L	201	213	Right-handed alpha
Helix 96	96	L	214	218	Right-handed 310
Helix 97	97	L	220	243	Right-handed alpha
Helix 98	98	L	253	282	Right-handed alpha
Helix 99	99	L	284	315	Right-handed alpha
Helix 100	100	M	50	53	Right-handed 310
Helix 101	101	M	146	149	Right-handed 310
Helix 102	102	M	201	213	Right-handed alpha
Helix 103	103	M	214	218	Right-handed 310
Helix 104	104	M	220	243	Right-handed alpha
Helix 105	105	M	253	282	Right-handed alpha
Helix 106	106	M	284	315	Right-handed alpha
Helix 107	107	N	50	53	Right-handed 310
Helix 108	108	N	146	149	Right-handed 310
Helix 109	109	N	196	201	Right-handed alpha
Helix 110	110	N	201	213	Right-handed alpha
Helix 111	111	N	214	218	Right-handed 310
Helix 112	112	N	220	243	Right-handed alpha
Helix 113	113	N	253	282	Right-handed alpha
Helix 114	114	N	284	315	Right-handed alpha
Helix 115	115	O	50	53	Right-handed 310
Helix 116	116	O	146	149	Right-handed 310
Helix 117	117	O	196	201	Right-handed alpha
Helix 118	118	O	201	213	Right-handed alpha
Helix 119	119	O	214	218	Right-handed 310
Helix 120	120	O	220	243	Right-handed alpha
Helix 121	121	O	253	282	Right-handed alpha
Helix 122	122	O	284	315	Right-handed alpha
Helix 123	123	P	146	149	Right-handed 310
Helix 124	124	P	196	201	Right-handed alpha
Helix 125	125	P	201	213	Right-handed alpha
Helix 126	126	P	214	218	Right-handed 310
Helix 127	127	P	220	243	Right-handed alpha
Helix 128	128	P	253	282	Right-handed alpha
Helix 129	129	P	284	315	Right-handed alpha
Helix 130	130	Q	50	53	Right-handed 310
Helix 131	131	Q	146	149	Right-handed 310
Helix 132	132	Q	196	201	Right-handed alpha
Helix 133	133	Q	201	213	Right-handed alpha
Helix 134	134	Q	214	218	Right-handed 310
Helix 135	135	Q	220	243	Right-handed alpha
Helix 136	136	Q	253	282	Right-handed alpha
Helix 137	137	Q	284	315	Right-handed alpha
Helix 138	138	R	50	53	Right-handed 310
Helix 139	139	R	146	149	Right-handed 310
Helix 140	140	R	196	201	Right-handed alpha
Helix 141	141	R	201	213	Right-handed alpha
Helix 142	142	R	214	218	Right-handed 310
Helix 143	143	R	220	243	Right-handed alpha
Helix 144	144	R	253	282	Right-handed alpha
Helix 145	145	R	284	315	Right-handed alpha
Helix 146	146	S	50	53	Right-handed 310
Helix 147	147	S	146	149	Right-handed 310
Helix 148	148	S	196	201	Right-handed alpha
Helix 149	149	S	201	213	Right-handed alpha
Helix 150	150	S	214	218	Right-handed 310
Helix 151	151	S	220	243	Right-handed alpha
Helix 152	152	S	253	282	Right-handed alpha
Helix 153	153	S	284	315	Right-handed alpha
Helix 154	154	T	32	34	Right-handed 310
Helix 155	155	T	50	53	Right-handed 310
Helix 156	156	T	146	149	Right-handed 310
Helix 157	157	T	196	201	Right-handed alpha
Helix 158	158	T	201	213	Right-handed alpha
Helix 159	159	T	214	218	Right-handed 310
Helix 160	160	T	220	243	Right-handed alpha
Helix 161	161	T	253	282	Right-handed alpha
Helix 162	162	T	284	315	Right-handed alpha

There are 59 sheets in PDB entry 4NPQ. 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, BE, BF, BG,

There are 6 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	65	first strand
Strand 2	A	88	94	anti-parallel
Strand 3	A	99	111	anti-parallel
Strand 4	A	36	48	anti-parallel
Strand 5	A	16	31	anti-parallel
Strand 6	A	140	144	parallel

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There are 6 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	64	65	first strand
Strand 2	A	88	94	anti-parallel
Strand 3	A	99	111	anti-parallel
Strand 4	A	36	48	anti-parallel
Strand 5	A	16	31	anti-parallel
Strand 6	A	150	151	parallel

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There are 4 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	76	78	first strand
Strand 2	A	123	132	anti-parallel
Strand 3	A	185	192	anti-parallel
Strand 4	A	160	164	anti-parallel

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There are 6 strands in D sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	64	65	first strand
Strand 2	B	88	94	anti-parallel
Strand 3	B	99	111	anti-parallel
Strand 4	B	36	48	anti-parallel
Strand 5	B	16	31	anti-parallel
Strand 6	B	140	144	parallel

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There are 6 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	64	65	first strand
Strand 2	B	88	94	anti-parallel
Strand 3	B	99	111	anti-parallel
Strand 4	B	36	48	anti-parallel
Strand 5	B	16	31	anti-parallel
Strand 6	B	150	151	parallel

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There are 4 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	76	78	first strand
Strand 2	B	123	132	anti-parallel
Strand 3	B	185	192	anti-parallel
Strand 4	B	160	164	anti-parallel

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There are 6 strands in G sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	64	65	first strand
Strand 2	C	88	94	anti-parallel
Strand 3	C	99	111	anti-parallel
Strand 4	C	36	48	anti-parallel
Strand 5	C	16	31	anti-parallel
Strand 6	C	140	144	parallel

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There are 6 strands in H sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	64	65	first strand
Strand 2	C	88	94	anti-parallel
Strand 3	C	99	111	anti-parallel
Strand 4	C	36	48	anti-parallel
Strand 5	C	16	31	anti-parallel
Strand 6	C	150	151	parallel

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There are 4 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	76	78	first strand
Strand 2	C	123	132	anti-parallel
Strand 3	C	185	192	anti-parallel
Strand 4	C	160	164	anti-parallel

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There are 6 strands in J sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	64	65	first strand
Strand 2	D	89	94	anti-parallel
Strand 3	D	99	111	anti-parallel
Strand 4	D	36	48	anti-parallel
Strand 5	D	16	28	anti-parallel
Strand 6	D	140	144	parallel

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There are 6 strands in K sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	64	65	first strand
Strand 2	D	89	94	anti-parallel
Strand 3	D	99	111	anti-parallel
Strand 4	D	36	48	anti-parallel
Strand 5	D	16	28	anti-parallel
Strand 6	D	150	151	parallel

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There are 4 strands in L sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	76	78	first strand
Strand 2	D	123	132	anti-parallel
Strand 3	D	185	192	anti-parallel
Strand 4	D	160	164	anti-parallel

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There are 6 strands in M sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	64	65	first strand
Strand 2	E	86	94	anti-parallel
Strand 3	E	99	111	anti-parallel
Strand 4	E	36	48	anti-parallel
Strand 5	E	16	28	anti-parallel
Strand 6	E	140	144	parallel

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There are 6 strands in N sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	64	65	first strand
Strand 2	E	86	94	anti-parallel
Strand 3	E	99	111	anti-parallel
Strand 4	E	36	48	anti-parallel
Strand 5	E	16	28	anti-parallel
Strand 6	E	150	151	parallel

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There are 4 strands in O sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	76	78	first strand
Strand 2	E	123	132	anti-parallel
Strand 3	E	185	192	anti-parallel
Strand 4	E	160	164	anti-parallel

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There are 6 strands in P sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	64	65	first strand
Strand 2	F	88	94	anti-parallel
Strand 3	F	99	111	anti-parallel
Strand 4	F	36	48	anti-parallel
Strand 5	F	16	31	anti-parallel
Strand 6	F	140	144	parallel

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There are 6 strands in Q sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	64	65	first strand
Strand 2	F	88	94	anti-parallel
Strand 3	F	99	111	anti-parallel
Strand 4	F	36	48	anti-parallel
Strand 5	F	16	31	anti-parallel
Strand 6	F	150	151	parallel

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There are 4 strands in R sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	76	78	first strand
Strand 2	F	123	132	anti-parallel
Strand 3	F	185	192	anti-parallel
Strand 4	F	160	164	anti-parallel

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There are 6 strands in S sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	64	65	first strand
Strand 2	G	88	94	anti-parallel
Strand 3	G	99	111	anti-parallel
Strand 4	G	36	48	anti-parallel
Strand 5	G	16	31	anti-parallel
Strand 6	G	140	144	parallel

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There are 6 strands in T sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	64	65	first strand
Strand 2	G	88	94	anti-parallel
Strand 3	G	99	111	anti-parallel
Strand 4	G	36	48	anti-parallel
Strand 5	G	16	31	anti-parallel
Strand 6	G	150	151	parallel

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There are 4 strands in U sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	76	78	first strand
Strand 2	G	123	132	anti-parallel
Strand 3	G	185	192	anti-parallel
Strand 4	G	160	164	anti-parallel

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There are 6 strands in V sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	64	65	first strand
Strand 2	H	88	94	anti-parallel
Strand 3	H	99	111	anti-parallel
Strand 4	H	36	48	anti-parallel
Strand 5	H	16	31	anti-parallel
Strand 6	H	140	144	parallel

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There are 6 strands in W sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	64	65	first strand
Strand 2	H	88	94	anti-parallel
Strand 3	H	99	111	anti-parallel
Strand 4	H	36	48	anti-parallel
Strand 5	H	16	31	anti-parallel
Strand 6	H	150	151	parallel

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There are 4 strands in X sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	76	78	first strand
Strand 2	H	123	132	anti-parallel
Strand 3	H	185	192	anti-parallel
Strand 4	H	160	164	anti-parallel

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There are 6 strands in Y sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	64	65	first strand
Strand 2	I	89	94	anti-parallel
Strand 3	I	99	111	anti-parallel
Strand 4	I	36	48	anti-parallel
Strand 5	I	16	28	anti-parallel
Strand 6	I	140	144	parallel

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There are 6 strands in Z sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	64	65	first strand
Strand 2	I	89	94	anti-parallel
Strand 3	I	99	111	anti-parallel
Strand 4	I	36	48	anti-parallel
Strand 5	I	16	28	anti-parallel
Strand 6	I	150	151	parallel

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There are 4 strands in AA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	76	78	first strand
Strand 2	I	123	132	anti-parallel
Strand 3	I	185	192	anti-parallel
Strand 4	I	160	164	anti-parallel

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There are 6 strands in AB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	64	65	first strand
Strand 2	J	89	94	anti-parallel
Strand 3	J	99	111	anti-parallel
Strand 4	J	36	48	anti-parallel
Strand 5	J	16	28	anti-parallel
Strand 6	J	140	144	parallel

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There are 6 strands in AC sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	64	65	first strand
Strand 2	J	89	94	anti-parallel
Strand 3	J	99	111	anti-parallel
Strand 4	J	36	48	anti-parallel
Strand 5	J	16	28	anti-parallel
Strand 6	J	150	151	parallel

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There are 4 strands in AD sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	76	78	first strand
Strand 2	J	123	132	anti-parallel
Strand 3	J	185	192	anti-parallel
Strand 4	J	160	164	anti-parallel

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There are 6 strands in AE sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	64	65	first strand
Strand 2	K	88	94	anti-parallel
Strand 3	K	99	111	anti-parallel
Strand 4	K	36	48	anti-parallel
Strand 5	K	16	28	anti-parallel
Strand 6	K	140	144	parallel

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There are 6 strands in AF sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	64	65	first strand
Strand 2	K	88	94	anti-parallel
Strand 3	K	99	111	anti-parallel
Strand 4	K	36	48	anti-parallel
Strand 5	K	16	28	anti-parallel
Strand 6	K	150	151	parallel

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There are 4 strands in AG sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	76	78	first strand
Strand 2	K	123	132	anti-parallel
Strand 3	K	185	192	anti-parallel
Strand 4	K	160	164	anti-parallel

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There are 6 strands in AH sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	64	65	first strand
Strand 2	L	89	94	anti-parallel
Strand 3	L	99	111	anti-parallel
Strand 4	L	36	48	anti-parallel
Strand 5	L	16	31	anti-parallel
Strand 6	L	140	144	parallel

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There are 6 strands in AI sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	64	65	first strand
Strand 2	L	89	94	anti-parallel
Strand 3	L	99	111	anti-parallel
Strand 4	L	36	48	anti-parallel
Strand 5	L	16	31	anti-parallel
Strand 6	L	150	151	parallel

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There are 4 strands in AJ sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	76	78	first strand
Strand 2	L	123	132	anti-parallel
Strand 3	L	185	192	anti-parallel
Strand 4	L	160	164	anti-parallel

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There are 6 strands in AK sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	64	65	first strand
Strand 2	M	88	94	anti-parallel
Strand 3	M	99	111	anti-parallel
Strand 4	M	36	48	anti-parallel
Strand 5	M	16	26	anti-parallel
Strand 6	M	140	144	parallel

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There are 6 strands in AL sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	64	65	first strand
Strand 2	M	88	94	anti-parallel
Strand 3	M	99	111	anti-parallel
Strand 4	M	36	48	anti-parallel
Strand 5	M	16	26	anti-parallel
Strand 6	M	150	151	parallel

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There are 4 strands in AM sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	76	78	first strand
Strand 2	M	123	132	anti-parallel
Strand 3	M	185	192	anti-parallel
Strand 4	M	160	164	anti-parallel

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There are 6 strands in AN sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	64	65	first strand
Strand 2	N	88	94	anti-parallel
Strand 3	N	99	111	anti-parallel
Strand 4	N	36	48	anti-parallel
Strand 5	N	16	31	anti-parallel
Strand 6	N	140	144	parallel

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There are 4 strands in AO sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	76	78	first strand
Strand 2	N	123	132	anti-parallel
Strand 3	N	185	192	anti-parallel
Strand 4	N	160	164	anti-parallel

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There are 6 strands in AP sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	O	64	65	first strand
Strand 2	O	86	94	anti-parallel
Strand 3	O	99	111	anti-parallel
Strand 4	O	36	48	anti-parallel
Strand 5	O	16	31	anti-parallel
Strand 6	O	140	144	parallel

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There are 6 strands in AQ sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	O	64	65	first strand
Strand 2	O	86	94	anti-parallel
Strand 3	O	99	111	anti-parallel
Strand 4	O	36	48	anti-parallel
Strand 5	O	16	31	anti-parallel
Strand 6	O	150	151	parallel

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There are 4 strands in AR sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	O	76	78	first strand
Strand 2	O	123	132	anti-parallel
Strand 3	O	185	192	anti-parallel
Strand 4	O	160	164	anti-parallel

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There are 6 strands in AS sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	P	64	65	first strand
Strand 2	P	89	94	anti-parallel
Strand 3	P	99	111	anti-parallel
Strand 4	P	36	48	anti-parallel
Strand 5	P	16	31	anti-parallel
Strand 6	P	140	144	parallel

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There are 6 strands in AT sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	P	64	65	first strand
Strand 2	P	89	94	anti-parallel
Strand 3	P	99	111	anti-parallel
Strand 4	P	36	48	anti-parallel
Strand 5	P	16	31	anti-parallel
Strand 6	P	150	151	parallel

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There are 4 strands in AU sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	P	76	78	first strand
Strand 2	P	123	132	anti-parallel
Strand 3	P	185	192	anti-parallel
Strand 4	P	160	164	anti-parallel

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There are 6 strands in AV sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	Q	64	65	first strand
Strand 2	Q	88	94	anti-parallel
Strand 3	Q	99	111	anti-parallel
Strand 4	Q	36	48	anti-parallel
Strand 5	Q	16	26	anti-parallel
Strand 6	Q	140	144	parallel

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There are 6 strands in AW sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	Q	64	65	first strand
Strand 2	Q	88	94	anti-parallel
Strand 3	Q	99	111	anti-parallel
Strand 4	Q	36	48	anti-parallel
Strand 5	Q	16	26	anti-parallel
Strand 6	Q	150	151	parallel

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There are 4 strands in AX sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	Q	76	78	first strand
Strand 2	Q	123	132	anti-parallel
Strand 3	Q	185	192	anti-parallel
Strand 4	Q	160	164	anti-parallel

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There are 6 strands in AY sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	R	64	65	first strand
Strand 2	R	88	94	anti-parallel
Strand 3	R	99	111	anti-parallel
Strand 4	R	36	48	anti-parallel
Strand 5	R	16	31	anti-parallel
Strand 6	R	140	144	parallel

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There are 6 strands in AZ sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	R	64	65	first strand
Strand 2	R	88	94	anti-parallel
Strand 3	R	99	111	anti-parallel
Strand 4	R	36	48	anti-parallel
Strand 5	R	16	31	anti-parallel
Strand 6	R	150	151	parallel

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There are 4 strands in BA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	R	76	78	first strand
Strand 2	R	123	132	anti-parallel
Strand 3	R	185	192	anti-parallel
Strand 4	R	160	164	anti-parallel

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There are 6 strands in BB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	S	64	65	first strand
Strand 2	S	88	94	anti-parallel
Strand 3	S	99	111	anti-parallel
Strand 4	S	36	48	anti-parallel
Strand 5	S	16	31	anti-parallel
Strand 6	S	140	144	parallel

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There are 6 strands in BC sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	S	64	65	first strand
Strand 2	S	88	94	anti-parallel
Strand 3	S	99	111	anti-parallel
Strand 4	S	36	48	anti-parallel
Strand 5	S	16	31	anti-parallel
Strand 6	S	150	151	parallel

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There are 4 strands in BD sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	S	76	78	first strand
Strand 2	S	123	132	anti-parallel
Strand 3	S	185	192	anti-parallel
Strand 4	S	160	164	anti-parallel

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There are 6 strands in BE sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	T	64	65	first strand
Strand 2	T	88	94	anti-parallel
Strand 3	T	99	111	anti-parallel
Strand 4	T	36	48	anti-parallel
Strand 5	T	16	31	anti-parallel
Strand 6	T	140	144	parallel

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There are 6 strands in BF sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	T	64	65	first strand
Strand 2	T	88	94	anti-parallel
Strand 3	T	99	111	anti-parallel
Strand 4	T	36	48	anti-parallel
Strand 5	T	16	31	anti-parallel
Strand 6	T	150	151	parallel

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There are 4 strands in BG sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	T	76	78	first strand
Strand 2	T	123	132	anti-parallel
Strand 3	T	185	192	anti-parallel
Strand 4	T	160	164	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: 4NPQ

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