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

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 4NOS entry

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

Chain ID	Initial residue	Terminal residue
A	ARG 83	ASP 503
B	ARG 83	ASP 503
C	ARG 83	ASP 503
D	ARG 83	ASP 503

There are 75 helices in PDB entry 4NOS. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	100	103	Right-handed 310
Helix 2	2	A	123	125	Right-handed 310
Helix 3	3	A	136	153	Right-handed alpha
Helix 4	4	A	159	176	Right-handed alpha
Helix 5	5	A	183	195	Right-handed alpha
Helix 6	6	A	203	207	Right-handed 310
Helix 7	7	A	220	238	Right-handed alpha
Helix 8	8	A	281	292	Right-handed 310
Helix 9	9	A	323	325	Right-handed 310
Helix 10	10	A	337	342	Right-handed 310
Helix 11	11	A	375	379	Right-handed alpha
Helix 12	12	A	392	398	Right-handed alpha
Helix 13	13	A	406	408	Right-handed 310
Helix 14	14	A	410	428	Right-handed alpha
Helix 15	15	A	436	454	Right-handed alpha
Helix 16	16	A	461	464	Right-handed alpha
Helix 17	17	A	470	472	Right-handed 310
Helix 18	18	A	495	498	Right-handed alpha
Helix 19	19	B	100	103	Right-handed 310
Helix 20	20	B	136	153	Right-handed alpha
Helix 21	21	B	159	176	Right-handed alpha
Helix 22	22	B	183	195	Right-handed alpha
Helix 23	23	B	203	205	Right-handed 310
Helix 24	24	B	220	238	Right-handed alpha
Helix 25	25	B	281	293	Right-handed 310
Helix 26	26	B	323	325	Right-handed 310
Helix 27	27	B	337	342	Right-handed 310
Helix 28	28	B	375	379	Right-handed alpha
Helix 29	29	B	392	399	Right-handed alpha
Helix 30	30	B	406	408	Right-handed 310
Helix 31	31	B	410	428	Right-handed alpha
Helix 32	32	B	436	454	Right-handed alpha
Helix 33	33	B	461	464	Right-handed alpha
Helix 34	34	B	470	472	Right-handed 310
Helix 35	35	B	495	498	Right-handed alpha
Helix 36	36	C	100	103	Right-handed 310
Helix 37	37	C	123	125	Right-handed 310
Helix 38	38	C	136	153	Right-handed alpha
Helix 39	39	C	159	176	Right-handed alpha
Helix 40	40	C	183	195	Right-handed alpha
Helix 41	41	C	203	207	Right-handed 310
Helix 42	42	C	220	238	Right-handed alpha
Helix 43	43	C	281	292	Right-handed 310
Helix 44	44	C	323	325	Right-handed 310
Helix 45	45	C	337	342	Right-handed 310
Helix 46	46	C	375	379	Right-handed alpha
Helix 47	47	C	381	384	Right-handed alpha
Helix 48	48	C	392	399	Right-handed alpha
Helix 49	49	C	406	408	Right-handed 310
Helix 50	50	C	410	428	Right-handed alpha
Helix 51	51	C	436	454	Right-handed alpha
Helix 52	52	C	461	464	Right-handed alpha
Helix 53	53	C	470	472	Right-handed 310
Helix 54	54	C	474	477	Right-handed 310
Helix 55	55	C	495	497	Right-handed 310
Helix 56	56	D	100	103	Right-handed 310
Helix 57	57	D	123	125	Right-handed 310
Helix 58	58	D	136	153	Right-handed alpha
Helix 59	59	D	159	176	Right-handed alpha
Helix 60	60	D	183	195	Right-handed alpha
Helix 61	61	D	203	205	Right-handed 310
Helix 62	62	D	220	238	Right-handed alpha
Helix 63	63	D	281	292	Right-handed 310
Helix 64	64	D	323	325	Right-handed 310
Helix 65	65	D	337	342	Right-handed 310
Helix 66	66	D	375	379	Right-handed alpha
Helix 67	67	D	381	384	Right-handed alpha
Helix 68	68	D	392	399	Right-handed alpha
Helix 69	69	D	406	408	Right-handed 310
Helix 70	70	D	410	428	Right-handed alpha
Helix 71	71	D	436	454	Right-handed alpha
Helix 72	72	D	461	464	Right-handed alpha
Helix 73	73	D	470	472	Right-handed 310
Helix 74	74	D	474	477	Right-handed 310
Helix 75	75	D	495	498	Right-handed alpha

There are 26 sheets in PDB entry 4NOS. 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,

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	85	88	first strand
Strand 2	A	95	98	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	210	214	first strand
Strand 2	A	243	247	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	269	271	first strand
Strand 2	A	277	279	anti-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	307	309	first strand
Strand 2	A	317	319	anti-parallel

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There are 2 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	328	330	first strand
Strand 2	A	345	347	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	350	352	first strand
Strand 2	A	369	371	anti-parallel

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There are 3 strands in G sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	488	490	first strand
Strand 2	A	356	359	anti-parallel
Strand 3	A	362	364	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	85	88	first strand
Strand 2	B	95	98	anti-parallel

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There are 2 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	210	214	first strand
Strand 2	B	243	247	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	B	269	271	first strand
Strand 2	B	277	279	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	307	309	first strand
Strand 2	B	317	319	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	B	328	330	first strand
Strand 2	B	345	347	anti-parallel

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There are 3 strands in M sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	488	490	first strand
Strand 2	B	356	359	anti-parallel
Strand 3	B	362	364	anti-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	C	85	88	first strand
Strand 2	C	95	98	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	C	210	213	first strand
Strand 2	C	243	246	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	C	269	272	first strand
Strand 2	C	276	279	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	307	309	first strand
Strand 2	C	317	319	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	C	328	330	first strand
Strand 2	C	345	347	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	C	350	352	first strand
Strand 2	C	369	371	anti-parallel

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There are 3 strands in T sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	488	490	first strand
Strand 2	C	356	359	anti-parallel
Strand 3	C	362	364	anti-parallel

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There are 2 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	85	88	first strand
Strand 2	D	95	98	anti-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	D	210	213	first strand
Strand 2	D	243	246	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	269	271	first strand
Strand 2	D	277	279	anti-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	D	307	309	first strand
Strand 2	D	317	319	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	328	330	first strand
Strand 2	D	345	347	anti-parallel

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There are 3 strands in Z sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	488	490	first strand
Strand 2	D	356	359	anti-parallel
Strand 3	D	362	364	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: 4NOS

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