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

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 1NPP entry

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

Chain ID	Initial residue	Terminal residue
A	GLN 5	ILE 248
B	GLU 8	ILE 248
C	GLU 10	LYS 247
D	VAL 6	VAL 245

There are 20 helices in PDB entry 1NPP. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	22	37	Right-handed alpha
Helix 2	2	A	39	41	Right-handed 310
Helix 3	3	A	102	107	Right-handed 310
Helix 4	4	A	146	155	Right-handed alpha
Helix 5	5	A	173	187	Right-handed alpha
Helix 6	6	B	22	37	Right-handed alpha
Helix 7	7	B	39	41	Right-handed 310
Helix 8	8	B	102	107	Right-handed 310
Helix 9	9	B	146	155	Right-handed alpha
Helix 10	10	B	173	187	Right-handed alpha
Helix 11	11	C	22	38	Right-handed alpha
Helix 12	12	C	39	41	Right-handed 310
Helix 13	13	C	102	107	Right-handed 310
Helix 14	14	C	146	156	Right-handed alpha
Helix 15	15	C	173	187	Right-handed alpha
Helix 16	16	D	22	37	Right-handed alpha
Helix 17	17	D	39	41	Right-handed 310
Helix 18	18	D	103	107	Right-handed 310
Helix 19	19	D	146	155	Right-handed alpha
Helix 20	20	D	173	183	Right-handed alpha

There are 21 sheets in PDB entry 1NPP. 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,

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	43	47	first strand
Strand 2	A	138	143	anti-parallel
Strand 3	A	12	18	anti-parallel
Strand 4	A	159	162	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	62	67	first strand
Strand 2	A	52	58	anti-parallel
Strand 3	A	124	130	anti-parallel
Strand 4	A	116	119	anti-parallel

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There are 3 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	73	78	first strand
Strand 2	A	83	89	anti-parallel
Strand 3	A	92	97	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	164	165	first strand
Strand 2	A	168	169	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	A	234	241	first strand
Strand 2	A	224	231	anti-parallel
Strand 3	A	212	219	anti-parallel
Strand 4	A	200	203	anti-parallel
Strand 5	A	245	247	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	B	43	47	first strand
Strand 2	B	138	143	anti-parallel
Strand 3	B	12	18	anti-parallel
Strand 4	B	159	162	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	61	67	first strand
Strand 2	B	51	58	anti-parallel
Strand 3	B	124	131	anti-parallel
Strand 4	B	116	119	anti-parallel

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There are 3 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	73	78	first strand
Strand 2	B	83	89	anti-parallel
Strand 3	B	92	97	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	164	165	first strand
Strand 2	B	168	169	anti-parallel

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There are 5 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	234	241	first strand
Strand 2	B	224	231	anti-parallel
Strand 3	B	212	217	anti-parallel
Strand 4	B	200	203	anti-parallel
Strand 5	B	245	247	anti-parallel

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There are 4 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	43	47	first strand
Strand 2	C	138	143	anti-parallel
Strand 3	C	12	18	anti-parallel
Strand 4	C	159	162	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	61	67	first strand
Strand 2	C	51	58	anti-parallel
Strand 3	C	124	131	anti-parallel
Strand 4	C	116	119	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	C	73	78	first strand
Strand 2	C	83	89	anti-parallel
Strand 3	C	92	97	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	164	165	first strand
Strand 2	C	168	169	anti-parallel

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There are 5 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	234	239	first strand
Strand 2	C	225	231	anti-parallel
Strand 3	C	212	218	anti-parallel
Strand 4	C	200	203	anti-parallel
Strand 5	C	244	246	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	D	43	47	first strand
Strand 2	D	138	143	anti-parallel
Strand 3	D	12	18	anti-parallel
Strand 4	D	159	162	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	D	43	47	first strand
Strand 2	D	138	143	anti-parallel
Strand 3	D	12	18	anti-parallel
Strand 4	D	171	172	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	61	67	first strand
Strand 2	D	51	58	anti-parallel
Strand 3	D	124	131	anti-parallel
Strand 4	D	116	119	anti-parallel

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There are 3 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	73	78	first strand
Strand 2	D	83	89	anti-parallel
Strand 3	D	92	97	anti-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	D	164	165	first strand
Strand 2	D	168	169	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	200	202	first strand
Strand 2	D	212	215	anti-parallel
Strand 3	D	225	231	anti-parallel
Strand 4	D	234	240	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: 1NPP

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