Analysis of interatomic Contacts of Structural Units in PDB entry:
3IMP

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 3IMP entry

There are 10 chains in PDB entry 3IMP (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
B	GLY 119	PRO 251
C	GLY 119	PRO 251
D	GLY 119	ASN 250
E	GLY 119	ASN 250
A	GLY 119	PHE 249
F	GLY 119	PRO 251
G	GLY 119	ASN 250
H	GLY 119	ASN 250
I	GLY 119	ASN 250
J	GLY 119	LEU 168

There are 60 helices in PDB entry 3IMP. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	B	134	151	Right-handed alpha
Helix 2	2	B	175	194	Right-handed alpha
Helix 3	3	B	197	199	Right-handed 310
Helix 4	4	B	217	225	Right-handed alpha
Helix 5	5	B	234	250	Right-handed alpha
Helix 6	6	C	134	151	Right-handed alpha
Helix 7	7	C	175	194	Right-handed alpha
Helix 8	8	C	197	199	Right-handed 310
Helix 9	9	C	217	225	Right-handed alpha
Helix 10	10	C	234	250	Right-handed alpha
Helix 11	11	D	134	151	Right-handed alpha
Helix 12	12	D	175	194	Right-handed alpha
Helix 13	13	D	197	199	Right-handed 310
Helix 14	14	D	217	225	Right-handed alpha
Helix 15	15	D	235	250	Right-handed alpha
Helix 16	16	E	134	149	Right-handed alpha
Helix 17	17	E	175	194	Right-handed alpha
Helix 18	18	E	197	199	Right-handed 310
Helix 19	19	E	217	225	Right-handed alpha
Helix 20	20	E	235	249	Right-handed alpha
Helix 21	21	A	134	150	Right-handed alpha
Helix 22	22	A	175	194	Right-handed alpha
Helix 23	23	A	197	199	Right-handed 310
Helix 24	24	A	217	224	Right-handed alpha
Helix 25	25	A	234	249	Right-handed alpha
Helix 26	26	F	134	151	Right-handed alpha
Helix 27	27	F	175	194	Right-handed alpha
Helix 28	28	F	197	199	Right-handed 310
Helix 29	29	F	217	225	Right-handed alpha
Helix 30	30	F	234	249	Right-handed alpha
Helix 31	31	G	134	151	Right-handed alpha
Helix 32	32	G	175	194	Right-handed alpha
Helix 33	33	G	197	199	Right-handed 310
Helix 34	34	G	217	225	Right-handed alpha
Helix 35	35	G	235	249	Right-handed alpha
Helix 36	36	H	134	149	Right-handed alpha
Helix 37	37	H	175	194	Right-handed alpha
Helix 38	38	H	197	199	Right-handed 310
Helix 39	39	H	217	225	Right-handed alpha
Helix 40	40	H	236	249	Right-handed alpha
Helix 41	41	I	134	151	Right-handed alpha
Helix 42	42	I	175	194	Right-handed alpha
Helix 43	43	I	197	199	Right-handed 310
Helix 44	44	I	217	224	Right-handed alpha
Helix 45	45	I	234	249	Right-handed alpha
Helix 46	46	J	134	149	Right-handed alpha
Helix 47	47	J	175	194	Right-handed alpha
Helix 48	48	J	197	199	Right-handed 310
Helix 49	49	J	217	225	Right-handed alpha
Helix 50	50	J	235	249	Right-handed alpha
Helix 51	51	K	134	150	Right-handed alpha
Helix 52	52	K	175	194	Right-handed alpha
Helix 53	53	K	197	199	Right-handed 310
Helix 54	54	K	217	224	Right-handed alpha
Helix 55	55	K	234	249	Right-handed alpha
Helix 56	56	L	134	149	Right-handed alpha
Helix 57	57	L	175	194	Right-handed alpha
Helix 58	58	L	197	199	Right-handed 310
Helix 59	59	L	217	225	Right-handed alpha
Helix 60	60	L	234	250	Right-handed alpha

There are 12 sheets in PDB entry 3IMP. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L,

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	B	123	124	first strand
Strand 2	B	226	233	anti-parallel
Strand 3	E	226	234	anti-parallel
Strand 4	E	123	124	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	B	201	205	first strand
Strand 2	B	156	161	parallel
Strand 3	B	226	233	anti-parallel
Strand 4	E	226	234	anti-parallel
Strand 5	E	156	161	anti-parallel
Strand 6	E	201	205	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	C	123	124	first strand
Strand 2	C	226	233	anti-parallel
Strand 3	D	226	234	anti-parallel
Strand 4	D	123	124	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	C	201	207	first strand
Strand 2	C	156	162	parallel
Strand 3	C	226	233	anti-parallel
Strand 4	D	226	234	anti-parallel
Strand 5	D	156	162	anti-parallel
Strand 6	D	201	205	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	123	124	first strand
Strand 2	A	226	233	anti-parallel
Strand 3	H	226	234	anti-parallel
Strand 4	H	123	124	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	A	201	205	first strand
Strand 2	A	156	162	parallel
Strand 3	A	226	233	anti-parallel
Strand 4	H	226	234	anti-parallel
Strand 5	H	156	161	anti-parallel
Strand 6	H	201	205	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	F	123	124	first strand
Strand 2	F	226	233	anti-parallel
Strand 3	G	226	234	anti-parallel
Strand 4	G	123	124	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	F	201	205	first strand
Strand 2	F	156	162	parallel
Strand 3	F	226	233	anti-parallel
Strand 4	G	226	234	anti-parallel
Strand 5	G	156	162	anti-parallel
Strand 6	G	201	205	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	I	123	124	first strand
Strand 2	I	226	233	anti-parallel
Strand 3	L	226	233	anti-parallel
Strand 4	L	123	124	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	201	205	first strand
Strand 2	I	156	162	parallel
Strand 3	I	226	233	anti-parallel
Strand 4	L	226	233	anti-parallel
Strand 5	L	156	161	anti-parallel
Strand 6	L	201	205	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	J	123	124	first strand
Strand 2	J	226	234	anti-parallel
Strand 3	K	226	233	anti-parallel
Strand 4	K	123	124	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	201	205	first strand
Strand 2	J	156	161	parallel
Strand 3	J	226	234	anti-parallel
Strand 4	K	226	233	anti-parallel
Strand 5	K	156	162	anti-parallel
Strand 6	K	201	205	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: 3IMP

Analysis of interatomic Contacts of Structural Units in PDB entry:
3IMP