Analysis of interatomic Contacts of Structural Units in PDB entry:
7KOS

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 7KOS entry

There are 4 chains in PDB entry 7KOS (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	SER 20	GLU 168
B	ASN 21	GLU 168
C	ASN 21	GLU 168
D	GLY 23	GLU 168

There are 22 helices in PDB entry 7KOS. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	52	59	Right-handed alpha
Helix 2	AA2	A	82	90	Right-handed alpha
Helix 3	AA3	A	110	116	Right-handed alpha
Helix 4	AA4	A	130	134	Right-handed 310
Helix 5	AA5	A	142	150	Right-handed 310
Helix 6	AA6	A	151	158	Right-handed alpha
Helix 7	AA7	B	52	59	Right-handed alpha
Helix 8	AA8	B	82	90	Right-handed alpha
Helix 9	AA9	B	110	116	Right-handed alpha
Helix 10	AB1	B	142	150	Right-handed 310
Helix 11	AB2	B	151	158	Right-handed alpha
Helix 12	AB3	C	52	59	Right-handed alpha
Helix 13	AB4	C	82	90	Right-handed alpha
Helix 14	AB5	C	110	116	Right-handed alpha
Helix 15	AB6	C	142	150	Right-handed 310
Helix 16	AB7	C	151	158	Right-handed alpha
Helix 17	AB8	D	53	59	Right-handed alpha
Helix 18	AB9	D	82	90	Right-handed alpha
Helix 19	AC1	D	110	117	Right-handed alpha
Helix 20	AC2	D	130	134	Right-handed 310
Helix 21	AC3	D	142	150	Right-handed 310
Helix 22	AC4	D	151	158	Right-handed alpha

There are 14 sheets in PDB entry 7KOS. 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, AB5,

There are 5 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	48	51	first strand
Strand 2	A	34	38	anti-parallel
Strand 3	A	162	167	parallel
Strand 4	A	95	100	anti-parallel
Strand 5	A	105	109	anti-parallel

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There are 4 strands in AA2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	62	66	first strand
Strand 2	A	75	81	anti-parallel
Strand 3	A	119	124	anti-parallel
Strand 4	A	127	128	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	A	62	66	first strand
Strand 2	A	75	81	anti-parallel
Strand 3	A	119	124	anti-parallel
Strand 4	A	138	140	anti-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	23	24	first strand
Strand 2	B	42	43	parallel

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There are 5 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	48	51	first strand
Strand 2	B	34	38	anti-parallel
Strand 3	B	162	167	parallel
Strand 4	B	95	100	anti-parallel
Strand 5	B	105	109	anti-parallel

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There are 4 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	62	66	first strand
Strand 2	B	75	81	anti-parallel
Strand 3	B	119	124	anti-parallel
Strand 4	B	127	128	anti-parallel

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There are 4 strands in AA7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	62	66	first strand
Strand 2	B	75	81	anti-parallel
Strand 3	B	119	124	anti-parallel
Strand 4	B	138	140	anti-parallel

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There are 2 strands in AA8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	23	24	first strand
Strand 2	C	42	43	parallel

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There are 5 strands in AA9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	48	51	first strand
Strand 2	C	34	38	anti-parallel
Strand 3	C	162	167	parallel
Strand 4	C	95	100	anti-parallel
Strand 5	C	105	109	anti-parallel

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There are 4 strands in AB1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	62	68	first strand
Strand 2	C	71	81	anti-parallel
Strand 3	C	119	124	anti-parallel
Strand 4	C	127	128	anti-parallel

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There are 4 strands in AB2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	62	68	first strand
Strand 2	C	71	81	anti-parallel
Strand 3	C	119	124	anti-parallel
Strand 4	C	138	140	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	48	52	first strand
Strand 2	D	32	38	anti-parallel
Strand 3	D	162	167	parallel
Strand 4	D	95	100	anti-parallel
Strand 5	D	105	109	anti-parallel

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There are 4 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	62	66	first strand
Strand 2	D	75	81	anti-parallel
Strand 3	D	119	124	anti-parallel
Strand 4	D	127	128	anti-parallel

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There are 4 strands in AB5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	62	66	first strand
Strand 2	D	75	81	anti-parallel
Strand 3	D	119	124	anti-parallel
Strand 4	D	138	140	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: 7KOS

Analysis of interatomic Contacts of Structural Units in PDB entry:
7KOS