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

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 2PPG entry

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

Chain ID	Initial residue	Terminal residue
A	ASP 3	HIS 389
B	SER 2	HIS 389
C	LEU 1	HIS 389
D	SER 2	HIS 389

There are 73 helices in PDB entry 2PPG. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	40	43	Right-handed 310
Helix 2	2	A	74	85	Right-handed alpha
Helix 3	3	A	86	91	Right-handed alpha
Helix 4	4	A	94	96	Right-handed 310
Helix 5	5	A	97	108	Right-handed alpha
Helix 6	6	A	109	113	Right-handed 310
Helix 7	7	A	116	139	Right-handed alpha
Helix 8	8	A	141	145	Right-handed 310
Helix 9	9	A	165	179	Right-handed alpha
Helix 10	10	A	189	191	Right-handed 310
Helix 11	11	A	194	207	Right-handed alpha
Helix 12	12	A	221	233	Right-handed alpha
Helix 13	13	A	234	236	Right-handed 310
Helix 14	14	A	248	259	Right-handed alpha
Helix 15	15	A	271	281	Right-handed alpha
Helix 16	16	A	290	309	Right-handed alpha
Helix 17	17	A	322	335	Right-handed alpha
Helix 18	18	A	344	349	Right-handed alpha
Helix 19	19	A	351	353	Right-handed 310
Helix 20	20	A	379	386	Right-handed alpha
Helix 21	21	B	74	85	Right-handed alpha
Helix 22	22	B	86	90	Right-handed 310
Helix 23	23	B	94	96	Right-handed 310
Helix 24	24	B	97	108	Right-handed alpha
Helix 25	25	B	109	113	Right-handed 310
Helix 26	26	B	116	139	Right-handed alpha
Helix 27	27	B	141	146	Right-handed 310
Helix 28	28	B	165	178	Right-handed alpha
Helix 29	29	B	195	207	Right-handed alpha
Helix 30	30	B	221	233	Right-handed alpha
Helix 31	31	B	248	257	Right-handed alpha
Helix 32	32	B	271	274	Right-handed 310
Helix 33	33	B	275	281	Right-handed alpha
Helix 34	34	B	290	309	Right-handed alpha
Helix 35	35	B	322	335	Right-handed alpha
Helix 36	36	B	344	349	Right-handed alpha
Helix 37	37	B	350	353	Right-handed 310
Helix 38	38	B	379	386	Right-handed alpha
Helix 39	39	C	74	85	Right-handed alpha
Helix 40	40	C	86	91	Right-handed alpha
Helix 41	41	C	94	96	Right-handed 310
Helix 42	42	C	97	110	Right-handed alpha
Helix 43	43	C	111	113	Right-handed 310
Helix 44	44	C	116	139	Right-handed alpha
Helix 45	45	C	141	146	Right-handed 310
Helix 46	46	C	165	178	Right-handed alpha
Helix 47	47	C	189	191	Right-handed 310
Helix 48	48	C	193	207	Right-handed alpha
Helix 49	49	C	221	231	Right-handed alpha
Helix 50	50	C	232	235	Right-handed 310
Helix 51	51	C	248	259	Right-handed alpha
Helix 52	52	C	271	274	Right-handed 310
Helix 53	53	C	275	281	Right-handed alpha
Helix 54	54	C	290	309	Right-handed alpha
Helix 55	55	C	322	335	Right-handed alpha
Helix 56	56	C	379	384	Right-handed alpha
Helix 57	57	D	74	85	Right-handed alpha
Helix 58	58	D	85	91	Right-handed alpha
Helix 59	59	D	94	96	Right-handed 310
Helix 60	60	D	97	107	Right-handed alpha
Helix 61	61	D	108	113	Right-handed 310
Helix 62	62	D	116	139	Right-handed alpha
Helix 63	63	D	141	146	Right-handed 310
Helix 64	64	D	168	178	Right-handed alpha
Helix 65	65	D	194	207	Right-handed alpha
Helix 66	66	D	221	231	Right-handed alpha
Helix 67	67	D	232	236	Right-handed 310
Helix 68	68	D	248	259	Right-handed alpha
Helix 69	69	D	271	281	Right-handed alpha
Helix 70	70	D	290	309	Right-handed alpha
Helix 71	71	D	322	335	Right-handed alpha
Helix 72	72	D	348	352	Right-handed 310
Helix 73	73	D	379	386	Right-handed alpha

There are 20 sheets in PDB entry 2PPG. 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,

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	64	70	first strand
Strand 2	A	50	59	anti-parallel
Strand 3	A	5	15	anti-parallel
Strand 4	A	387	388	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	36	38	first strand
Strand 2	A	45	47	anti-parallel

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There are 8 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	312	313	first strand
Strand 2	A	286	287	parallel
Strand 3	A	262	265	parallel
Strand 4	A	239	241	parallel
Strand 5	A	211	215	parallel
Strand 6	A	183	187	parallel
Strand 7	A	153	159	parallel
Strand 8	A	341	343	parallel

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There are 9 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	312	313	first strand
Strand 2	A	286	287	parallel
Strand 3	A	262	265	parallel
Strand 4	A	239	241	parallel
Strand 5	A	211	215	parallel
Strand 6	A	183	187	parallel
Strand 7	A	153	159	parallel
Strand 8	A	365	367	anti-parallel
Strand 9	A	360	362	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	355	357	first strand
Strand 2	A	376	378	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	64	70	first strand
Strand 2	B	49	59	anti-parallel
Strand 3	B	5	16	anti-parallel
Strand 4	B	387	388	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	36	38	first strand
Strand 2	B	45	47	anti-parallel

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There are 8 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	312	313	first strand
Strand 2	B	286	287	parallel
Strand 3	B	262	265	parallel
Strand 4	B	237	241	parallel
Strand 5	B	211	215	parallel
Strand 6	B	183	187	parallel
Strand 7	B	153	159	parallel
Strand 8	B	341	343	parallel

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There are 9 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	312	313	first strand
Strand 2	B	286	287	parallel
Strand 3	B	262	265	parallel
Strand 4	B	237	241	parallel
Strand 5	B	211	215	parallel
Strand 6	B	183	187	parallel
Strand 7	B	153	159	parallel
Strand 8	B	365	367	anti-parallel
Strand 9	B	360	362	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	355	357	first strand
Strand 2	B	376	378	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	64	70	first strand
Strand 2	C	50	59	anti-parallel
Strand 3	C	5	15	anti-parallel
Strand 4	C	387	388	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	C	36	39	first strand
Strand 2	C	44	47	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	341	343	first strand
Strand 2	C	153	158	parallel
Strand 3	C	365	367	anti-parallel
Strand 4	C	360	362	anti-parallel

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There are 6 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	183	187	first strand
Strand 2	C	211	215	parallel
Strand 3	C	237	241	parallel
Strand 4	C	262	265	parallel
Strand 5	C	286	287	parallel
Strand 6	C	312	313	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	355	356	first strand
Strand 2	C	377	378	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	64	70	first strand
Strand 2	D	51	59	anti-parallel
Strand 3	D	5	14	anti-parallel
Strand 4	D	387	388	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	D	36	38	first strand
Strand 2	D	45	47	anti-parallel

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There are 8 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	312	313	first strand
Strand 2	D	286	287	parallel
Strand 3	D	262	265	parallel
Strand 4	D	239	241	parallel
Strand 5	D	211	215	parallel
Strand 6	D	183	187	parallel
Strand 7	D	153	159	parallel
Strand 8	D	341	343	parallel

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There are 9 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	312	313	first strand
Strand 2	D	286	287	parallel
Strand 3	D	262	265	parallel
Strand 4	D	239	241	parallel
Strand 5	D	211	215	parallel
Strand 6	D	183	187	parallel
Strand 7	D	153	159	parallel
Strand 8	D	365	367	anti-parallel
Strand 9	D	360	361	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	355	357	first strand
Strand 2	D	376	378	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: 2PPG

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