Analysis of interatomic Contacts of Structural Units in PDB entry:
5IFS

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 5IFS entry

There are 4 chains in PDB entry 5IFS (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	PRO 317	ALA 497
B	ASN 21	GLY 480
C	VAL 318	SER 495
D	ASN 21	GLY 480

There are 55 helices in PDB entry 5IFS. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	326	330	Right-handed 310
Helix 2	AA2	A	341	346	Right-handed 310
Helix 3	AA3	A	348	369	Right-handed alpha
Helix 4	AA4	A	373	388	Right-handed alpha
Helix 5	AA5	A	412	423	Right-handed alpha
Helix 6	AA6	A	473	478	Right-handed alpha
Helix 7	AA7	A	482	495	Right-handed alpha
Helix 8	AA8	B	42	50	Right-handed alpha
Helix 9	AA9	B	85	92	Right-handed alpha
Helix 10	AB1	B	119	124	Right-handed alpha
Helix 11	AB2	B	129	134	Right-handed alpha
Helix 12	AB3	B	134	140	Right-handed alpha
Helix 13	AB4	B	202	206	Right-handed 310
Helix 14	AB5	B	209	226	Right-handed alpha
Helix 15	AB6	B	226	234	Right-handed alpha
Helix 16	AB7	B	250	263	Right-handed alpha
Helix 17	AB8	B	271	276	Right-handed alpha
Helix 18	AB9	B	280	296	Right-handed alpha
Helix 19	AC1	B	305	309	Right-handed 310
Helix 20	AC2	B	322	334	Right-handed alpha
Helix 21	AC3	B	336	339	Right-handed 310
Helix 22	AC4	B	349	353	Right-handed 310
Helix 23	AC5	B	354	359	Right-handed 310
Helix 24	AC6	B	373	386	Right-handed alpha
Helix 25	AC7	B	395	402	Right-handed alpha
Helix 26	AC8	B	407	427	Right-handed alpha
Helix 27	AC9	B	439	444	Right-handed alpha
Helix 28	AD1	B	448	459	Right-handed alpha
Helix 29	AD2	C	326	330	Right-handed 310
Helix 30	AD3	C	341	345	Right-handed 310
Helix 31	AD4	C	348	369	Right-handed alpha
Helix 32	AD5	C	373	388	Right-handed alpha
Helix 33	AD6	C	412	422	Right-handed alpha
Helix 34	AD7	C	473	478	Right-handed alpha
Helix 35	AD8	C	482	495	Right-handed alpha
Helix 36	AD9	D	42	49	Right-handed alpha
Helix 37	AE1	D	85	92	Right-handed alpha
Helix 38	AE2	D	120	123	Right-handed 310
Helix 39	AE3	D	129	134	Right-handed alpha
Helix 40	AE4	D	134	140	Right-handed alpha
Helix 41	AE5	D	202	206	Right-handed 310
Helix 42	AE6	D	209	226	Right-handed alpha
Helix 43	AE7	D	226	233	Right-handed alpha
Helix 44	AE8	D	250	263	Right-handed alpha
Helix 45	AE9	D	271	275	Right-handed alpha
Helix 46	AF1	D	280	296	Right-handed alpha
Helix 47	AF2	D	305	309	Right-handed 310
Helix 48	AF3	D	322	334	Right-handed alpha
Helix 49	AF4	D	336	339	Right-handed 310
Helix 50	AF5	D	349	353	Right-handed 310
Helix 51	AF6	D	373	385	Right-handed alpha
Helix 52	AF7	D	395	402	Right-handed alpha
Helix 53	AF8	D	407	427	Right-handed alpha
Helix 54	AF9	D	439	444	Right-handed alpha
Helix 55	AG1	D	448	459	Right-handed alpha

There are 13 sheets in PDB entry 5IFS. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8, AA9, AB1, AB2, AB3, AB4,

There are 6 strands in AA1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	323	325	first strand
Strand 2	A	402	407	anti-parallel
Strand 3	A	391	396	anti-parallel
Strand 4	A	457	463	parallel
Strand 5	A	432	435	anti-parallel
Strand 6	A	440	441	anti-parallel

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There are 7 strands in AA2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	25	30	first strand
Strand 2	B	81	84	parallel
Strand 3	B	38	41	anti-parallel
Strand 4	B	66	73	parallel
Strand 5	B	56	60	anti-parallel
Strand 6	B	99	104	anti-parallel
Strand 7	B	25	30	anti-parallel

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There are 4 strands in AA3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	151	156	first strand
Strand 2	B	159	169	anti-parallel
Strand 3	B	113	118	anti-parallel
Strand 4	B	181	183	parallel

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There are 2 strands in AA4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	126	127	first strand
Strand 2	B	437	438	parallel

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There are 2 strands in AA5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	145	147	first strand
Strand 2	B	173	175	anti-parallel

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There are 5 strands in AA6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	265	270	first strand
Strand 2	B	299	304	parallel
Strand 3	B	341	347	parallel
Strand 4	B	240	244	parallel
Strand 5	B	365	368	parallel

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There are 6 strands in AA7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	323	325	first strand
Strand 2	C	402	407	anti-parallel
Strand 3	C	391	396	anti-parallel
Strand 4	C	457	463	parallel
Strand 5	C	432	435	anti-parallel
Strand 6	C	440	441	anti-parallel

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There are 7 strands in AA8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	25	29	first strand
Strand 2	D	81	83	parallel
Strand 3	D	38	41	anti-parallel
Strand 4	D	66	73	parallel
Strand 5	D	55	60	anti-parallel
Strand 6	D	99	104	anti-parallel
Strand 7	D	25	29	anti-parallel

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There are 4 strands in AA9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	151	156	first strand
Strand 2	D	159	169	anti-parallel
Strand 3	D	113	118	anti-parallel
Strand 4	D	181	183	parallel

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There are 2 strands in AB1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	126	127	first strand
Strand 2	D	437	438	parallel

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There are 2 strands in AB2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	144	147	first strand
Strand 2	D	173	176	anti-parallel

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There are 5 strands in AB3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	265	270	first strand
Strand 2	D	299	304	parallel
Strand 3	D	341	347	parallel
Strand 4	D	240	244	parallel
Strand 5	D	365	368	parallel

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There are 2 strands in AB4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	389	390	first strand
Strand 2	D	446	447	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: 5IFS

Analysis of interatomic Contacts of Structural Units in PDB entry:
5IFS