Analysis of interatomic Contacts of Structural Units in PDB entry:
2NSI

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 2NSI entry

There are 4 chains in PDB entry 2NSI (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	ARG 83	GLN 502
B	ARG 83	GLN 502
C	ARG 83	GLN 502
D	ARG 83	GLN 502

There are 80 helices in PDB entry 2NSI. 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	102	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	205	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	381	384	Right-handed alpha
Helix 13	13	A	392	398	Right-handed alpha
Helix 14	14	A	406	408	Right-handed 310
Helix 15	15	A	410	428	Right-handed alpha
Helix 16	16	A	436	453	Right-handed alpha
Helix 17	17	A	461	464	Right-handed alpha
Helix 18	18	A	470	472	Right-handed 310
Helix 19	19	A	474	477	Right-handed alpha
Helix 20	20	A	495	498	Right-handed alpha
Helix 21	21	B	100	102	Right-handed 310
Helix 22	22	B	123	125	Right-handed 310
Helix 23	23	B	136	153	Right-handed alpha
Helix 24	24	B	159	176	Right-handed alpha
Helix 25	25	B	183	195	Right-handed alpha
Helix 26	26	B	203	205	Right-handed 310
Helix 27	27	B	220	238	Right-handed alpha
Helix 28	28	B	281	292	Right-handed 310
Helix 29	29	B	323	325	Right-handed 310
Helix 30	30	B	337	342	Right-handed 310
Helix 31	31	B	375	379	Right-handed alpha
Helix 32	32	B	381	384	Right-handed alpha
Helix 33	33	B	392	398	Right-handed alpha
Helix 34	34	B	406	408	Right-handed 310
Helix 35	35	B	410	428	Right-handed alpha
Helix 36	36	B	436	453	Right-handed alpha
Helix 37	37	B	461	464	Right-handed alpha
Helix 38	38	B	470	472	Right-handed 310
Helix 39	39	B	474	477	Right-handed alpha
Helix 40	40	B	495	498	Right-handed alpha
Helix 41	41	C	100	102	Right-handed 310
Helix 42	42	C	123	125	Right-handed 310
Helix 43	43	C	136	153	Right-handed alpha
Helix 44	44	C	159	176	Right-handed alpha
Helix 45	45	C	183	195	Right-handed alpha
Helix 46	46	C	203	205	Right-handed 310
Helix 47	47	C	220	238	Right-handed alpha
Helix 48	48	C	281	292	Right-handed 310
Helix 49	49	C	323	325	Right-handed 310
Helix 50	50	C	337	342	Right-handed 310
Helix 51	51	C	375	379	Right-handed alpha
Helix 52	52	C	381	384	Right-handed alpha
Helix 53	53	C	392	398	Right-handed alpha
Helix 54	54	C	406	408	Right-handed 310
Helix 55	55	C	410	428	Right-handed alpha
Helix 56	56	C	436	453	Right-handed alpha
Helix 57	57	C	461	464	Right-handed alpha
Helix 58	58	C	470	472	Right-handed 310
Helix 59	59	C	474	477	Right-handed alpha
Helix 60	60	C	495	498	Right-handed alpha
Helix 61	61	D	100	102	Right-handed 310
Helix 62	62	D	123	125	Right-handed 310
Helix 63	63	D	136	153	Right-handed alpha
Helix 64	64	D	159	176	Right-handed alpha
Helix 65	65	D	183	195	Right-handed alpha
Helix 66	66	D	203	205	Right-handed 310
Helix 67	67	D	220	238	Right-handed alpha
Helix 68	68	D	281	292	Right-handed 310
Helix 69	69	D	323	325	Right-handed 310
Helix 70	70	D	337	342	Right-handed 310
Helix 71	71	D	375	379	Right-handed alpha
Helix 72	72	D	381	384	Right-handed alpha
Helix 73	73	D	392	398	Right-handed alpha
Helix 74	74	D	406	408	Right-handed 310
Helix 75	75	D	410	428	Right-handed alpha
Helix 76	76	D	436	453	Right-handed alpha
Helix 77	77	D	461	464	Right-handed alpha
Helix 78	78	D	470	472	Right-handed 310
Helix 79	79	D	474	477	Right-handed alpha
Helix 80	80	D	495	498	Right-handed alpha

There are 24 sheets in PDB entry 2NSI. 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,

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 4 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
Strand 3	A	367	372	anti-parallel
Strand 4	A	349	352	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	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	331	first strand
Strand 2	A	344	347	anti-parallel

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There are 3 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	488	491	first strand
Strand 2	A	355	359	anti-parallel
Strand 3	A	362	364	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	85	88	first strand
Strand 2	B	95	98	anti-parallel

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There are 4 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	210	214	first strand
Strand 2	B	243	247	parallel
Strand 3	B	367	372	anti-parallel
Strand 4	B	349	352	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	269	271	first strand
Strand 2	B	277	279	anti-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	307	309	first strand
Strand 2	B	317	319	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	328	331	first strand
Strand 2	B	344	347	anti-parallel

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There are 3 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	488	491	first strand
Strand 2	B	355	359	anti-parallel
Strand 3	B	362	364	anti-parallel

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There are 2 strands in M 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 4 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	210	214	first strand
Strand 2	C	243	247	parallel
Strand 3	C	367	372	anti-parallel
Strand 4	C	349	352	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	269	271	first strand
Strand 2	C	277	279	anti-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	307	309	first strand
Strand 2	C	317	319	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	328	330	first strand
Strand 2	C	345	347	anti-parallel

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There are 3 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	488	491	first strand
Strand 2	C	355	359	anti-parallel
Strand 3	C	362	364	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	D	85	88	first strand
Strand 2	D	95	98	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	210	214	first strand
Strand 2	D	243	247	parallel
Strand 3	D	367	372	anti-parallel
Strand 4	D	349	352	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	269	271	first strand
Strand 2	D	277	279	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	307	309	first strand
Strand 2	D	317	319	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	D	328	331	first strand
Strand 2	D	344	347	anti-parallel

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There are 3 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	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: 2NSI

Analysis of interatomic Contacts of Structural Units in PDB entry:
2NSI