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

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 4IQF entry

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

Chain ID	Initial residue	Terminal residue
A	SER -2	GLY 311
B	ASN -1	GLU 312
C	SER -2	GLU 312
D	SER -2	GLU 312

There are 40 helices in PDB entry 4IQF. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	12	23	Right-handed alpha
Helix 2	2	A	47	56	Right-handed alpha
Helix 3	3	A	68	79	Right-handed alpha
Helix 4	4	A	93	98	Right-handed alpha
Helix 5	5	A	119	127	Right-handed alpha
Helix 6	6	A	161	186	Right-handed alpha
Helix 7	7	A	195	199	Right-handed 310
Helix 8	8	A	206	211	Right-handed alpha
Helix 9	9	A	217	227	Right-handed alpha
Helix 10	10	A	295	302	Right-handed alpha
Helix 11	11	B	12	23	Right-handed alpha
Helix 12	12	B	47	54	Right-handed alpha
Helix 13	13	B	68	78	Right-handed alpha
Helix 14	14	B	93	98	Right-handed alpha
Helix 15	15	B	119	127	Right-handed alpha
Helix 16	16	B	161	186	Right-handed alpha
Helix 17	17	B	206	211	Right-handed 310
Helix 18	18	B	217	228	Right-handed alpha
Helix 19	19	B	295	302	Right-handed alpha
Helix 20	20	C	10	12	Right-handed 310
Helix 21	21	C	13	23	Right-handed alpha
Helix 22	22	C	47	55	Right-handed alpha
Helix 23	23	C	68	77	Right-handed alpha
Helix 24	24	C	93	99	Right-handed alpha
Helix 25	25	C	119	127	Right-handed alpha
Helix 26	26	C	161	187	Right-handed alpha
Helix 27	27	C	195	199	Right-handed 310
Helix 28	28	C	206	210	Right-handed 310
Helix 29	29	C	217	228	Right-handed alpha
Helix 30	30	C	295	299	Right-handed alpha
Helix 31	31	D	13	24	Right-handed alpha
Helix 32	32	D	47	57	Right-handed alpha
Helix 33	33	D	68	77	Right-handed alpha
Helix 34	34	D	93	98	Right-handed alpha
Helix 35	35	D	119	127	Right-handed alpha
Helix 36	36	D	161	186	Right-handed alpha
Helix 37	37	D	195	199	Right-handed 310
Helix 38	38	D	206	210	Right-handed 310
Helix 39	39	D	217	228	Right-handed alpha
Helix 40	40	D	295	299	Right-handed alpha

There are 15 sheets in PDB entry 4IQF. 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,

There are 7 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	60	61	first strand
Strand 2	A	26	31	parallel
Strand 3	A	3	8	parallel
Strand 4	A	82	86	parallel
Strand 5	A	104	108	parallel
Strand 6	A	131	138	anti-parallel
Strand 7	A	148	155	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	37	38	first strand
Strand 2	A	43	44	anti-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	A	234	238	first strand
Strand 2	A	241	252	anti-parallel
Strand 3	A	278	287	anti-parallel
Strand 4	A	270	272	anti-parallel
Strand 5	A	262	265	anti-parallel

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There are 4 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	234	238	first strand
Strand 2	A	241	252	anti-parallel
Strand 3	A	278	287	anti-parallel
Strand 4	A	293	294	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	B	60	61	first strand
Strand 2	B	26	31	parallel
Strand 3	B	3	8	parallel
Strand 4	B	82	86	parallel
Strand 5	B	104	108	parallel
Strand 6	B	131	138	anti-parallel
Strand 7	B	148	155	anti-parallel

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There are 2 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	37	38	first strand
Strand 2	B	43	44	anti-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	B	235	238	first strand
Strand 2	B	241	252	anti-parallel
Strand 3	B	278	287	anti-parallel
Strand 4	B	270	272	anti-parallel
Strand 5	B	262	265	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	235	238	first strand
Strand 2	B	241	252	anti-parallel
Strand 3	B	278	287	anti-parallel
Strand 4	B	293	294	anti-parallel

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There are 7 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	60	61	first strand
Strand 2	C	26	31	parallel
Strand 3	C	3	8	parallel
Strand 4	C	82	86	parallel
Strand 5	C	103	108	parallel
Strand 6	C	131	138	anti-parallel
Strand 7	C	148	155	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	234	238	first strand
Strand 2	C	241	252	anti-parallel
Strand 3	C	278	287	anti-parallel
Strand 4	C	270	273	anti-parallel
Strand 5	C	262	265	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	234	238	first strand
Strand 2	C	241	252	anti-parallel
Strand 3	C	278	287	anti-parallel
Strand 4	C	293	294	anti-parallel

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There are 7 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	60	61	first strand
Strand 2	D	26	31	parallel
Strand 3	D	3	8	parallel
Strand 4	D	82	86	parallel
Strand 5	D	103	108	parallel
Strand 6	D	131	138	anti-parallel
Strand 7	D	148	155	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	D	36	38	first strand
Strand 2	D	43	45	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	234	238	first strand
Strand 2	D	241	252	anti-parallel
Strand 3	D	278	287	anti-parallel
Strand 4	D	270	272	anti-parallel
Strand 5	D	262	265	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	D	234	238	first strand
Strand 2	D	241	252	anti-parallel
Strand 3	D	278	287	anti-parallel
Strand 4	D	293	294	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: 4IQF

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