Analysis of interatomic Contacts of Structural Units in PDB entry:
1IF0

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 1IF0 entry

There are 7 chains in PDB entry 1IF0 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	GLY 128	SER 383
B	GLY 128	SER 383
C	GLY 128	SER 383
D	GLY 128	SER 383
E	GLY 128	SER 383
F	GLY 128	SER 383
G	GLY 128	SER 383

There are 63 helices in PDB entry 1IF0. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	133	138	Right-handed alpha
Helix 2	2	A	193	200	Right-handed alpha
Helix 3	3	A	202	225	Right-handed alpha
Helix 4	4	A	235	240	Right-handed alpha
Helix 5	5	A	244	247	Right-handed alpha
Helix 6	6	A	254	267	Right-handed alpha
Helix 7	7	A	279	288	Right-handed alpha
Helix 8	8	A	351	355	Right-handed alpha
Helix 9	9	A	372	376	Right-handed alpha
Helix 10	10	B	133	138	Right-handed alpha
Helix 11	11	B	193	200	Right-handed alpha
Helix 12	12	B	202	225	Right-handed alpha
Helix 13	13	B	235	240	Right-handed alpha
Helix 14	14	B	244	247	Right-handed alpha
Helix 15	15	B	254	267	Right-handed alpha
Helix 16	16	B	279	288	Right-handed alpha
Helix 17	17	B	351	355	Right-handed alpha
Helix 18	18	B	372	376	Right-handed alpha
Helix 19	19	C	133	138	Right-handed alpha
Helix 20	20	C	193	200	Right-handed alpha
Helix 21	21	C	202	225	Right-handed alpha
Helix 22	22	C	235	240	Right-handed alpha
Helix 23	23	C	244	247	Right-handed alpha
Helix 24	24	C	254	267	Right-handed alpha
Helix 25	25	C	279	288	Right-handed alpha
Helix 26	26	C	351	355	Right-handed alpha
Helix 27	27	C	372	376	Right-handed alpha
Helix 28	28	D	133	138	Right-handed alpha
Helix 29	29	D	193	200	Right-handed alpha
Helix 30	30	D	202	225	Right-handed alpha
Helix 31	31	D	235	240	Right-handed alpha
Helix 32	32	D	244	247	Right-handed alpha
Helix 33	33	D	254	267	Right-handed alpha
Helix 34	34	D	279	288	Right-handed alpha
Helix 35	35	D	351	355	Right-handed alpha
Helix 36	36	D	372	376	Right-handed alpha
Helix 37	37	E	133	138	Right-handed alpha
Helix 38	38	E	193	200	Right-handed alpha
Helix 39	39	E	202	225	Right-handed alpha
Helix 40	40	E	235	240	Right-handed alpha
Helix 41	41	E	244	247	Right-handed alpha
Helix 42	42	E	254	267	Right-handed alpha
Helix 43	43	E	279	288	Right-handed alpha
Helix 44	44	E	351	355	Right-handed alpha
Helix 45	45	E	372	376	Right-handed alpha
Helix 46	46	F	133	138	Right-handed alpha
Helix 47	47	F	193	200	Right-handed alpha
Helix 48	48	F	202	225	Right-handed alpha
Helix 49	49	F	235	240	Right-handed alpha
Helix 50	50	F	244	247	Right-handed alpha
Helix 51	51	F	254	267	Right-handed alpha
Helix 52	52	F	279	288	Right-handed alpha
Helix 53	53	F	351	355	Right-handed alpha
Helix 54	54	F	372	376	Right-handed alpha
Helix 55	55	G	133	138	Right-handed alpha
Helix 56	56	G	193	200	Right-handed alpha
Helix 57	57	G	202	225	Right-handed alpha
Helix 58	58	G	235	240	Right-handed alpha
Helix 59	59	G	244	247	Right-handed alpha
Helix 60	60	G	254	267	Right-handed alpha
Helix 61	61	G	279	288	Right-handed alpha
Helix 62	62	G	351	355	Right-handed alpha
Helix 63	63	G	372	376	Right-handed alpha

There are 21 sheets in PDB entry 1IF0. 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 2 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	154	159	first strand
Strand 2	A	170	176	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	139	144	first strand
Strand 2	A	333	338	anti-parallel
Strand 3	A	357	370	anti-parallel
Strand 4	A	184	192	anti-parallel
Strand 5	A	357	370	anti-parallel
Strand 6	A	341	347	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	310	317	first strand
Strand 2	A	323	327	anti-parallel
Strand 3	A	273	278	anti-parallel
Strand 4	A	378	381	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	B	154	159	first strand
Strand 2	B	170	176	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	139	144	first strand
Strand 2	B	333	338	anti-parallel
Strand 3	B	357	370	anti-parallel
Strand 4	B	184	192	anti-parallel
Strand 5	B	357	370	anti-parallel
Strand 6	B	341	347	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	310	317	first strand
Strand 2	B	323	327	anti-parallel
Strand 3	B	273	278	anti-parallel
Strand 4	B	378	381	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	C	154	159	first strand
Strand 2	C	170	176	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	C	139	144	first strand
Strand 2	C	333	338	anti-parallel
Strand 3	C	357	370	anti-parallel
Strand 4	C	184	192	anti-parallel
Strand 5	C	357	370	anti-parallel
Strand 6	C	341	347	anti-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	C	310	317	first strand
Strand 2	C	323	327	anti-parallel
Strand 3	C	273	278	anti-parallel
Strand 4	C	378	381	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	D	154	159	first strand
Strand 2	D	170	176	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	139	144	first strand
Strand 2	D	333	338	anti-parallel
Strand 3	D	357	370	anti-parallel
Strand 4	D	184	192	anti-parallel
Strand 5	D	357	370	anti-parallel
Strand 6	D	341	347	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	D	310	317	first strand
Strand 2	D	323	327	anti-parallel
Strand 3	D	273	278	anti-parallel
Strand 4	D	378	381	anti-parallel

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There are 2 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	154	159	first strand
Strand 2	E	170	176	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	E	139	144	first strand
Strand 2	E	333	338	anti-parallel
Strand 3	E	357	370	anti-parallel
Strand 4	E	184	192	anti-parallel
Strand 5	E	357	370	anti-parallel
Strand 6	E	341	347	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	310	317	first strand
Strand 2	E	323	327	anti-parallel
Strand 3	E	273	278	anti-parallel
Strand 4	E	378	381	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	F	154	159	first strand
Strand 2	F	170	176	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	139	144	first strand
Strand 2	F	333	338	anti-parallel
Strand 3	F	357	370	anti-parallel
Strand 4	F	184	192	anti-parallel
Strand 5	F	357	370	anti-parallel
Strand 6	F	341	347	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	F	310	317	first strand
Strand 2	F	323	327	anti-parallel
Strand 3	F	273	278	anti-parallel
Strand 4	F	378	381	anti-parallel

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There are 2 strands in S sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	154	159	first strand
Strand 2	G	170	176	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	139	144	first strand
Strand 2	G	333	338	anti-parallel
Strand 3	G	357	370	anti-parallel
Strand 4	G	184	192	anti-parallel
Strand 5	G	357	370	anti-parallel
Strand 6	G	341	347	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	G	310	317	first strand
Strand 2	G	323	327	anti-parallel
Strand 3	G	273	278	anti-parallel
Strand 4	G	378	381	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: 1IF0

Analysis of interatomic Contacts of Structural Units in PDB entry:
1IF0