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

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 1AIP entry

There are 8 chains in PDB entry 1AIP (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	LYS 9	GLU 405
B	LYS 9	GLU 405
C	SER 2	ALA 196
D	SER 2	ALA 196
E	LYS 9	GLU 405
F	LYS 9	GLU 405
G	SER 2	ALA 196
H	GLN 3	ALA 196

There are 58 helices in PDB entry 1AIP. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	A1	A	24	36	Right-handed alpha
Helix 2	A2	A	85	94	Right-handed alpha
Helix 3	A3	A	114	126	Right-handed alpha
Helix 4	A4	A	144	161	Right-handed alpha
Helix 5	A5	A	175	184	Right-handed alpha
Helix 6	A6	A	194	209	Right-handed alpha
Helix 7	B1	B	24	36	Right-handed alpha
Helix 8	B2	B	85	94	Right-handed alpha
Helix 9	B3	B	114	126	Right-handed alpha
Helix 10	B4	B	144	161	Right-handed alpha
Helix 11	B5	B	175	184	Right-handed alpha
Helix 12	B6	B	194	209	Right-handed alpha
Helix 13	C1	C	3	14	Right-handed alpha
Helix 14	C2	C	18	27	Right-handed alpha
Helix 15	C3	C	32	50	Right-handed alpha
Helix 16	C4	C	81	84	Right-handed alpha
Helix 17	C5	C	87	103	Right-handed alpha
Helix 18	C6	C	115	132	Right-handed alpha
Helix 19	C7	C	136	154	Right-handed alpha
Helix 20	C8	C	169	180	Right-handed alpha
Helix 21	D1	D	4	14	Right-handed alpha
Helix 22	D2	D	18	27	Right-handed alpha
Helix 23	D3	D	33	50	Right-handed alpha
Helix 24	D4	D	81	84	Right-handed alpha
Helix 25	D5	D	87	103	Right-handed alpha
Helix 26	D6	D	115	129	Right-handed alpha
Helix 27	D7	D	136	154	Right-handed alpha
Helix 28	D8	D	156	158	Right-handed 310
Helix 29	D9	D	169	180	Right-handed alpha
Helix 30	E1	E	24	36	Right-handed alpha
Helix 31	E2	E	85	94	Right-handed alpha
Helix 32	E3	E	114	126	Right-handed alpha
Helix 33	E4	E	144	161	Right-handed alpha
Helix 34	E5	E	175	184	Right-handed alpha
Helix 35	E6	E	194	209	Right-handed alpha
Helix 36	F1	F	24	36	Right-handed alpha
Helix 37	F2	F	85	94	Right-handed alpha
Helix 38	F3	F	114	126	Right-handed alpha
Helix 39	F4	F	144	161	Right-handed alpha
Helix 40	F5	F	175	184	Right-handed alpha
Helix 41	F6	F	194	209	Right-handed alpha
Helix 42	G1	G	5	14	Right-handed alpha
Helix 43	G2	G	18	27	Right-handed alpha
Helix 44	G3	G	32	50	Right-handed alpha
Helix 45	G4	G	81	85	Right-handed alpha
Helix 46	G5	G	87	103	Right-handed alpha
Helix 47	G6	G	115	132	Right-handed alpha
Helix 48	G7	G	136	154	Right-handed alpha
Helix 49	G8	G	169	180	Right-handed alpha
Helix 50	H1	H	10	14	Right-handed alpha
Helix 51	H2	H	18	27	Right-handed alpha
Helix 52	H3	H	36	50	Right-handed alpha
Helix 53	H4	H	81	84	Right-handed alpha
Helix 54	H5	H	87	103	Right-handed alpha
Helix 55	H6	H	115	127	Right-handed alpha
Helix 56	H7	H	139	142	Right-handed alpha
Helix 57	H8	H	147	154	Right-handed alpha
Helix 58	H9	H	169	180	Right-handed alpha

There are 24 sheets in PDB entry 1AIP. 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 6 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	170	172	first strand
Strand 2	A	131	136	parallel
Strand 3	A	101	107	parallel
Strand 4	A	11	17	parallel
Strand 5	A	76	81	parallel
Strand 6	A	69	71	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	222	224	first strand
Strand 2	A	303	305	anti-parallel
Strand 3	A	252	256	anti-parallel
Strand 4	A	263	266	anti-parallel

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There are 4 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	228	231	first strand
Strand 2	A	235	241	anti-parallel
Strand 3	A	285	290	anti-parallel
Strand 4	A	267	271	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	311	313	first strand
Strand 2	A	378	380	anti-parallel

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There are 7 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	315	321	first strand
Strand 2	A	367	374	anti-parallel
Strand 3	A	349	354	anti-parallel
Strand 4	A	339	343	anti-parallel
Strand 5	A	385	390	anti-parallel
Strand 6	A	393	403	anti-parallel
Strand 7	A	316	322	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	B	170	172	first strand
Strand 2	B	131	136	parallel
Strand 3	B	101	107	parallel
Strand 4	B	11	17	parallel
Strand 5	B	76	81	parallel
Strand 6	B	68	71	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	222	224	first strand
Strand 2	B	303	306	anti-parallel
Strand 3	B	252	256	anti-parallel
Strand 4	B	263	266	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	228	230	first strand
Strand 2	B	236	241	anti-parallel
Strand 3	B	285	289	anti-parallel
Strand 4	B	270	272	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	311	313	first strand
Strand 2	B	378	380	anti-parallel

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There are 7 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	315	321	first strand
Strand 2	B	367	374	anti-parallel
Strand 3	B	349	354	anti-parallel
Strand 4	B	339	343	anti-parallel
Strand 5	B	387	390	anti-parallel
Strand 6	B	393	403	anti-parallel
Strand 7	B	316	322	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	C	57	64	first strand
Strand 2	C	70	78	anti-parallel
Strand 3	C	185	193	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	D	57	64	first strand
Strand 2	D	70	78	anti-parallel
Strand 3	D	185	193	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	170	172	first strand
Strand 2	E	131	136	parallel
Strand 3	E	101	107	parallel
Strand 4	E	11	17	parallel
Strand 5	E	76	81	parallel
Strand 6	E	69	71	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	E	222	224	first strand
Strand 2	E	303	305	anti-parallel
Strand 3	E	252	256	anti-parallel
Strand 4	E	263	266	anti-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	E	228	231	first strand
Strand 2	E	235	241	anti-parallel
Strand 3	E	285	290	anti-parallel
Strand 4	E	267	272	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	E	311	313	first strand
Strand 2	E	378	380	anti-parallel

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There are 7 strands in Q sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	315	321	first strand
Strand 2	E	367	374	anti-parallel
Strand 3	E	349	354	anti-parallel
Strand 4	E	339	343	anti-parallel
Strand 5	E	385	389	anti-parallel
Strand 6	E	394	403	anti-parallel
Strand 7	E	316	322	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	170	172	first strand
Strand 2	F	131	136	parallel
Strand 3	F	101	107	parallel
Strand 4	F	11	17	parallel
Strand 5	F	76	81	parallel
Strand 6	F	69	71	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	F	228	230	first strand
Strand 2	F	236	241	anti-parallel
Strand 3	F	285	289	anti-parallel

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There are 3 strands in T sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	263	266	first strand
Strand 2	F	252	256	anti-parallel
Strand 3	F	303	306	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	F	311	313	first strand
Strand 2	F	378	380	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	339	342	first strand
Strand 2	F	349	354	anti-parallel
Strand 3	F	367	374	anti-parallel
Strand 4	F	315	322	anti-parallel
Strand 5	F	393	403	anti-parallel
Strand 6	F	388	390	anti-parallel

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There are 3 strands in W sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	57	64	first strand
Strand 2	G	70	78	anti-parallel
Strand 3	G	185	193	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	H	57	64	first strand
Strand 2	H	70	78	anti-parallel
Strand 3	H	185	193	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: 1AIP

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