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

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 4BKS entry

There are 18 chains in PDB entry 4BKS (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	MET 1	LEU 88
A	ILE 90	MET 103
B	MET 17	CYS 112
C	VAL 62	PHE 76
C	ASN 78	THR 202
D	MET 1	VAL 102
E	MET 17	CYS 112
F	LEU 63	PHE 76
F	ASN 78	GLU 204
G	MET 1	MET 103
H	MET 17	CYS 112
I	VAL 62	PHE 76
I	ASN 78	ARG 205
J	MET 1	LEU 88
J	ILE 90	MET 103
K	MET 16	CYS 112
L	VAL 62	PHE 76
L	ASN 78	ASN 150

There are 41 helices in PDB entry 4BKS. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	23	36	Right-handed alpha
Helix 2	2	A	38	40	Right-handed 310
Helix 3	3	B	33	37	Right-handed alpha
Helix 4	4	B	39	47	Right-handed alpha
Helix 5	5	B	66	84	Right-handed alpha
Helix 6	6	B	96	111	Right-handed alpha
Helix 7	7	C	157	170	Right-handed alpha
Helix 8	8	C	171	178	Right-handed 310
Helix 9	9	C	181	190	Right-handed alpha
Helix 10	10	C	193	199	Right-handed alpha
Helix 11	11	D	23	36	Right-handed alpha
Helix 12	12	D	38	40	Right-handed 310
Helix 13	13	E	33	37	Right-handed alpha
Helix 14	14	E	39	47	Right-handed alpha
Helix 15	15	E	66	84	Right-handed alpha
Helix 16	16	E	96	111	Right-handed alpha
Helix 17	17	F	141	145	Right-handed 310
Helix 18	18	F	157	170	Right-handed alpha
Helix 19	19	F	171	178	Right-handed 310
Helix 20	20	F	181	190	Right-handed alpha
Helix 21	21	F	193	203	Right-handed alpha
Helix 22	22	G	23	36	Right-handed alpha
Helix 23	23	G	38	40	Right-handed 310
Helix 24	24	H	33	37	Right-handed alpha
Helix 25	25	H	39	47	Right-handed alpha
Helix 26	26	H	66	84	Right-handed alpha
Helix 27	27	H	96	111	Right-handed alpha
Helix 28	28	I	157	170	Right-handed alpha
Helix 29	29	I	171	178	Right-handed 310
Helix 30	30	I	181	190	Right-handed alpha
Helix 31	31	I	193	205	Right-handed alpha
Helix 32	32	J	23	36	Right-handed alpha
Helix 33	33	J	38	40	Right-handed 310
Helix 34	34	K	33	37	Right-handed alpha
Helix 35	35	K	39	46	Right-handed alpha
Helix 36	36	K	66	84	Right-handed alpha
Helix 37	37	K	96	111	Right-handed alpha
Helix 38	38	L	157	170	Right-handed alpha
Helix 39	39	L	171	178	Right-handed 310
Helix 40	40	L	181	190	Right-handed alpha
Helix 41	41	L	193	203	Right-handed alpha

There are 16 sheets in PDB entry 4BKS. Click on sheet of interest to get list of strands forming it: AA, CA, CB, A, FA, FB, GA, GB, GC, IA, IB, JA, JB, JC, LA, LB,

There are 8 strands in AA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	49	50	first strand
Strand 2	A	42	46	anti-parallel
Strand 3	A	73	79	anti-parallel
Strand 4	A	2	9	parallel
Strand 5	A	12	19	anti-parallel
Strand 6	B	28	32	parallel
Strand 7	B	18	22	anti-parallel
Strand 8	B	59	61	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	106	112	first strand
Strand 2	C	71	78	anti-parallel
Strand 3	C	147	152	parallel
Strand 4	C	129	130	anti-parallel

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There are 3 strands in CB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	95	97	first strand
Strand 2	C	84	89	anti-parallel
Strand 3	C	116	121	anti-parallel

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There are 8 strands in A sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	49	50	first strand
Strand 2	D	42	46	anti-parallel
Strand 3	D	73	79	anti-parallel
Strand 4	D	2	9	parallel
Strand 5	D	12	19	anti-parallel
Strand 6	E	28	32	parallel
Strand 7	E	18	22	anti-parallel
Strand 8	E	59	61	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	106	112	first strand
Strand 2	F	71	78	anti-parallel
Strand 3	F	147	152	parallel
Strand 4	F	129	130	anti-parallel

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There are 3 strands in FB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	95	97	first strand
Strand 2	F	84	89	anti-parallel
Strand 3	F	116	121	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	49	50	first strand
Strand 2	G	42	46	anti-parallel
Strand 3	G	73	81	anti-parallel
Strand 4	G	84	85	parallel

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There are 8 strands in GB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	49	50	first strand
Strand 2	G	42	46	anti-parallel
Strand 3	G	73	81	anti-parallel
Strand 4	G	2	9	parallel
Strand 5	G	12	19	anti-parallel
Strand 6	H	28	32	parallel
Strand 7	H	18	22	anti-parallel
Strand 8	H	59	61	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	84	85	first strand
Strand 2	G	73	81	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	106	112	first strand
Strand 2	I	71	78	anti-parallel
Strand 3	I	147	152	parallel
Strand 4	I	129	130	anti-parallel

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There are 3 strands in IB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	95	97	first strand
Strand 2	I	84	89	anti-parallel
Strand 3	I	116	121	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	49	50	first strand
Strand 2	J	42	46	anti-parallel
Strand 3	J	73	81	anti-parallel
Strand 4	J	84	85	parallel

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There are 8 strands in JB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	49	50	first strand
Strand 2	J	42	46	anti-parallel
Strand 3	J	73	81	anti-parallel
Strand 4	J	2	9	parallel
Strand 5	J	12	19	anti-parallel
Strand 6	K	28	32	parallel
Strand 7	K	18	22	anti-parallel
Strand 8	K	59	61	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	J	84	85	first strand
Strand 2	J	73	81	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	106	112	first strand
Strand 2	L	71	78	anti-parallel
Strand 3	L	147	152	parallel
Strand 4	L	129	130	anti-parallel

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There are 3 strands in LB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	L	95	97	first strand
Strand 2	L	84	89	anti-parallel
Strand 3	L	116	121	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: 4BKS

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