Analysis of interatomic Contacts of Structural Units in PDB entry:
1NC2

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 1NC2 entry

There are 4 chains in PDB entry 1NC2 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	GLN 1	PRO 211
B	VAL 2	ARG 219
C	GLN 1	SER 215
D	GLN 1	CYS 221

There are 18 helices in PDB entry 1NC2. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	30	34	Right-handed 310
Helix 2	2	A	81	85	Right-handed 310
Helix 3	3	A	126	130	Right-handed 310
Helix 4	4	A	185	191	Right-handed alpha
Helix 5	5	B	61	64	Right-handed 310
Helix 6	6	B	73	75	Right-handed 310
Helix 7	7	B	86	90	Right-handed 310
Helix 8	8	B	162	164	Right-handed 310
Helix 9	9	B	206	209	Right-handed 310
Helix 10	10	C	30	34	Right-handed 310
Helix 11	11	C	81	85	Right-handed 310
Helix 12	12	C	124	129	Right-handed alpha
Helix 13	13	C	185	191	Right-handed alpha
Helix 14	14	D	61	64	Right-handed 310
Helix 15	15	D	73	75	Right-handed 310
Helix 16	16	D	86	90	Right-handed 310
Helix 17	17	D	162	164	Right-handed 310
Helix 18	18	D	206	209	Right-handed 310

There are 22 sheets in PDB entry 1NC2. 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,

There are 4 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	4	6	first strand
Strand 2	A	17	24	anti-parallel
Strand 3	A	72	78	anti-parallel
Strand 4	A	64	69	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	45	50	first strand
Strand 2	A	36	41	anti-parallel
Strand 3	A	86	93	anti-parallel
Strand 4	A	98	100	anti-parallel

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There are 5 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	45	50	first strand
Strand 2	A	36	41	anti-parallel
Strand 3	A	86	93	anti-parallel
Strand 4	A	104	108	anti-parallel
Strand 5	A	9	12	parallel

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There are 4 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	117	121	first strand
Strand 2	A	132	142	anti-parallel
Strand 3	A	175	184	anti-parallel
Strand 4	A	162	164	anti-parallel

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There are 4 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	117	121	first strand
Strand 2	A	132	142	anti-parallel
Strand 3	A	175	184	anti-parallel
Strand 4	A	168	169	anti-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	A	156	157	first strand
Strand 2	A	148	153	anti-parallel
Strand 3	A	194	200	anti-parallel
Strand 4	A	203	209	anti-parallel

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There are 4 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	3	6	first strand
Strand 2	B	18	25	anti-parallel
Strand 3	B	77	82	anti-parallel
Strand 4	B	67	72	anti-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	B	10	12	first strand
Strand 2	B	113	117	parallel
Strand 3	B	91	98	anti-parallel
Strand 4	B	33	39	anti-parallel
Strand 5	B	45	51	anti-parallel
Strand 6	B	57	59	anti-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	B	126	130	first strand
Strand 2	B	141	151	anti-parallel
Strand 3	B	181	190	anti-parallel
Strand 4	B	169	171	anti-parallel

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There are 4 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	126	130	first strand
Strand 2	B	141	151	anti-parallel
Strand 3	B	181	190	anti-parallel
Strand 4	B	175	176	anti-parallel

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There are 3 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	157	160	first strand
Strand 2	B	200	205	anti-parallel
Strand 3	B	210	215	anti-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	C	4	6	first strand
Strand 2	C	18	24	anti-parallel
Strand 3	C	72	77	anti-parallel
Strand 4	C	64	69	anti-parallel

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There are 4 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	45	50	first strand
Strand 2	C	36	41	anti-parallel
Strand 3	C	86	93	anti-parallel
Strand 4	C	98	100	anti-parallel

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There are 5 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	45	50	first strand
Strand 2	C	36	41	anti-parallel
Strand 3	C	86	93	anti-parallel
Strand 4	C	104	108	anti-parallel
Strand 5	C	9	12	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	C	117	121	first strand
Strand 2	C	132	142	anti-parallel
Strand 3	C	175	184	anti-parallel
Strand 4	C	162	164	anti-parallel

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There are 4 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	117	121	first strand
Strand 2	C	132	142	anti-parallel
Strand 3	C	175	184	anti-parallel
Strand 4	C	168	169	anti-parallel

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There are 4 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	156	157	first strand
Strand 2	C	148	153	anti-parallel
Strand 3	C	194	200	anti-parallel
Strand 4	C	203	209	anti-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	D	3	6	first strand
Strand 2	D	18	25	anti-parallel
Strand 3	D	77	82	anti-parallel
Strand 4	D	67	72	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	D	11	12	first strand
Strand 2	D	113	117	parallel
Strand 3	D	91	99	anti-parallel
Strand 4	D	32	39	anti-parallel
Strand 5	D	45	51	anti-parallel
Strand 6	D	57	59	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	126	130	first strand
Strand 2	D	141	151	anti-parallel
Strand 3	D	180	190	anti-parallel
Strand 4	D	169	171	anti-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	D	126	130	first strand
Strand 2	D	141	151	anti-parallel
Strand 3	D	180	190	anti-parallel
Strand 4	D	175	177	anti-parallel

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There are 3 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	157	160	first strand
Strand 2	D	200	205	anti-parallel
Strand 3	D	210	215	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: 1NC2

Analysis of interatomic Contacts of Structural Units in PDB entry:
1NC2