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

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 4NAP entry

There are 3 chains in PDB entry 4NAP (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	PRO 32	TYR 339
B	GLN 31	TYR 339
C	PRO 32	LEU 69

There are 69 helices in PDB entry 4NAP. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	45	62	Right-handed alpha
Helix 2	2	A	81	88	Right-handed alpha
Helix 3	3	A	99	101	Right-handed 310
Helix 4	4	A	107	113	Right-handed 310
Helix 5	5	A	119	135	Right-handed alpha
Helix 6	6	A	136	140	Right-handed 310
Helix 7	7	A	176	185	Right-handed alpha
Helix 8	8	A	193	195	Right-handed 310
Helix 9	9	A	196	203	Right-handed alpha
Helix 10	10	A	214	219	Right-handed alpha
Helix 11	11	A	220	224	Right-handed 310
Helix 12	12	A	244	249	Right-handed alpha
Helix 13	13	A	251	289	Right-handed alpha
Helix 14	14	A	296	308	Right-handed alpha
Helix 15	15	A	308	321	Right-handed alpha
Helix 16	16	A	324	337	Right-handed alpha
Helix 17	17	B	45	62	Right-handed alpha
Helix 18	18	B	72	75	Right-handed 310
Helix 19	19	B	81	88	Right-handed alpha
Helix 20	20	B	99	101	Right-handed 310
Helix 21	21	B	107	113	Right-handed 310
Helix 22	22	B	119	135	Right-handed alpha
Helix 23	23	B	136	140	Right-handed 310
Helix 24	24	B	163	168	Right-handed alpha
Helix 25	25	B	176	185	Right-handed alpha
Helix 26	26	B	193	195	Right-handed 310
Helix 27	27	B	196	203	Right-handed alpha
Helix 28	28	B	214	219	Right-handed alpha
Helix 29	29	B	220	224	Right-handed 310
Helix 30	30	B	244	250	Right-handed alpha
Helix 31	31	B	251	260	Right-handed alpha
Helix 32	32	B	261	289	Right-handed alpha
Helix 33	33	B	296	308	Right-handed alpha
Helix 34	34	B	308	321	Right-handed alpha
Helix 35	35	B	324	339	Right-handed alpha
Helix 36	36	C	45	62	Right-handed alpha
Helix 37	37	C	72	75	Right-handed 310
Helix 38	38	C	81	88	Right-handed alpha
Helix 39	39	C	99	101	Right-handed 310
Helix 40	40	C	107	113	Right-handed 310
Helix 41	41	C	119	135	Right-handed alpha
Helix 42	42	C	136	140	Right-handed 310
Helix 43	43	C	176	186	Right-handed alpha
Helix 44	44	C	193	195	Right-handed 310
Helix 45	45	C	196	203	Right-handed alpha
Helix 46	46	C	214	219	Right-handed alpha
Helix 47	47	C	220	224	Right-handed 310
Helix 48	48	C	244	250	Right-handed alpha
Helix 49	49	C	251	288	Right-handed alpha
Helix 50	50	C	296	308	Right-handed alpha
Helix 51	51	C	308	321	Right-handed alpha
Helix 52	52	C	324	340	Right-handed alpha
Helix 53	53	D	45	62	Right-handed alpha
Helix 54	54	D	72	75	Right-handed 310
Helix 55	55	D	81	88	Right-handed alpha
Helix 56	56	D	99	101	Right-handed 310
Helix 57	57	D	107	113	Right-handed 310
Helix 58	58	D	119	135	Right-handed alpha
Helix 59	59	D	136	140	Right-handed 310
Helix 60	60	D	163	168	Right-handed alpha
Helix 61	61	D	176	185	Right-handed alpha
Helix 62	62	D	193	195	Right-handed 310
Helix 63	63	D	196	203	Right-handed alpha
Helix 64	64	D	213	219	Right-handed alpha
Helix 65	65	D	220	224	Right-handed 310
Helix 66	66	D	243	249	Right-handed alpha
Helix 67	67	D	251	288	Right-handed alpha
Helix 68	68	D	298	321	Right-handed alpha
Helix 69	69	D	324	339	Right-handed alpha

There are 8 sheets in PDB entry 4NAP. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 5 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	66	71	first strand
Strand 2	A	33	38	parallel
Strand 3	A	93	97	parallel
Strand 4	A	237	243	anti-parallel
Strand 5	A	142	149	anti-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	188	191	first strand
Strand 2	A	171	174	parallel
Strand 3	A	208	211	parallel
Strand 4	A	153	157	anti-parallel
Strand 5	A	227	233	anti-parallel
Strand 6	A	291	294	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	B	66	71	first strand
Strand 2	B	33	38	parallel
Strand 3	B	93	97	parallel
Strand 4	B	237	243	anti-parallel
Strand 5	B	142	149	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	188	191	first strand
Strand 2	B	171	174	parallel
Strand 3	B	208	211	parallel
Strand 4	B	153	157	anti-parallel
Strand 5	B	227	233	anti-parallel
Strand 6	B	291	294	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	C	66	71	first strand
Strand 2	C	33	38	parallel
Strand 3	C	93	97	parallel
Strand 4	C	237	243	anti-parallel
Strand 5	C	142	149	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	188	191	first strand
Strand 2	C	171	174	parallel
Strand 3	C	208	211	parallel
Strand 4	C	153	157	anti-parallel
Strand 5	C	227	233	anti-parallel
Strand 6	C	291	293	parallel

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There are 5 strands in G sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	67	71	first strand
Strand 2	D	34	38	parallel
Strand 3	D	93	97	parallel
Strand 4	D	237	242	anti-parallel
Strand 5	D	143	149	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	D	188	191	first strand
Strand 2	D	171	174	parallel
Strand 3	D	208	211	parallel
Strand 4	D	153	157	anti-parallel
Strand 5	D	227	233	anti-parallel
Strand 6	D	291	293	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: 4NAP

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