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

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 4ASO entry

There are 24 chains in PDB entry 4ASO (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	PHE 6	ALA 98
B	PHE 6	ALA 98
C	PHE 6	ALA 98
D	PHE 6	ALA 98
E	PHE 6	ALA 98
F	PHE 6	ALA 98
G	PHE 6	ALA 98
H	PHE 6	ALA 98
I	PHE 6	ALA 98
J	PHE 6	ALA 98
K	PHE 6	ALA 98
L	PHE 6	ALA 98
M	PHE 6	ALA 98
N	PHE 6	ALA 98
O	PHE 6	ALA 98
P	PHE 6	ALA 98
S	T 1	C 24
T	G 1	A 24
U	T 1	C 24
V	G 1	A 24
W	T 1	C 24
X	G 1	A 24
Y	T 1	C 24
Z	G 1	A 24

There are 80 helices in PDB entry 4ASO. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	10	19	Right-handed alpha
Helix 2	2	A	21	31	Right-handed alpha
Helix 3	3	A	42	50	Right-handed alpha
Helix 4	4	A	53	67	Right-handed alpha
Helix 5	5	A	84	98	Right-handed alpha
Helix 6	6	B	10	19	Right-handed alpha
Helix 7	7	B	21	31	Right-handed alpha
Helix 8	8	B	42	50	Right-handed alpha
Helix 9	9	B	53	67	Right-handed alpha
Helix 10	10	B	84	98	Right-handed alpha
Helix 11	11	C	10	19	Right-handed alpha
Helix 12	12	C	21	31	Right-handed alpha
Helix 13	13	C	42	50	Right-handed alpha
Helix 14	14	C	53	67	Right-handed alpha
Helix 15	15	C	84	98	Right-handed alpha
Helix 16	16	D	10	19	Right-handed alpha
Helix 17	17	D	21	31	Right-handed alpha
Helix 18	18	D	42	50	Right-handed alpha
Helix 19	19	D	53	67	Right-handed alpha
Helix 20	20	D	84	98	Right-handed alpha
Helix 21	21	E	10	19	Right-handed alpha
Helix 22	22	E	21	31	Right-handed alpha
Helix 23	23	E	42	50	Right-handed alpha
Helix 24	24	E	53	67	Right-handed alpha
Helix 25	25	E	84	98	Right-handed alpha
Helix 26	26	F	10	19	Right-handed alpha
Helix 27	27	F	21	31	Right-handed alpha
Helix 28	28	F	42	50	Right-handed alpha
Helix 29	29	F	53	67	Right-handed alpha
Helix 30	30	F	84	98	Right-handed alpha
Helix 31	31	G	10	19	Right-handed alpha
Helix 32	32	G	21	31	Right-handed alpha
Helix 33	33	G	42	50	Right-handed alpha
Helix 34	34	G	53	67	Right-handed alpha
Helix 35	35	G	84	98	Right-handed alpha
Helix 36	36	H	10	19	Right-handed alpha
Helix 37	37	H	21	31	Right-handed alpha
Helix 38	38	H	42	50	Right-handed alpha
Helix 39	39	H	53	67	Right-handed alpha
Helix 40	40	H	84	98	Right-handed alpha
Helix 41	41	I	10	19	Right-handed alpha
Helix 42	42	I	21	31	Right-handed alpha
Helix 43	43	I	42	50	Right-handed alpha
Helix 44	44	I	53	67	Right-handed alpha
Helix 45	45	I	84	98	Right-handed alpha
Helix 46	46	J	10	19	Right-handed alpha
Helix 47	47	J	21	31	Right-handed alpha
Helix 48	48	J	42	50	Right-handed alpha
Helix 49	49	J	53	67	Right-handed alpha
Helix 50	50	J	84	98	Right-handed alpha
Helix 51	51	K	10	19	Right-handed alpha
Helix 52	52	K	21	31	Right-handed alpha
Helix 53	53	K	42	50	Right-handed alpha
Helix 54	54	K	53	67	Right-handed alpha
Helix 55	55	K	84	98	Right-handed alpha
Helix 56	56	L	10	19	Right-handed alpha
Helix 57	57	L	21	31	Right-handed alpha
Helix 58	58	L	42	50	Right-handed alpha
Helix 59	59	L	53	67	Right-handed alpha
Helix 60	60	L	84	98	Right-handed alpha
Helix 61	61	M	10	19	Right-handed alpha
Helix 62	62	M	21	31	Right-handed alpha
Helix 63	63	M	42	50	Right-handed alpha
Helix 64	64	M	53	67	Right-handed alpha
Helix 65	65	M	84	98	Right-handed alpha
Helix 66	66	N	10	19	Right-handed alpha
Helix 67	67	N	21	31	Right-handed alpha
Helix 68	68	N	42	50	Right-handed alpha
Helix 69	69	N	53	67	Right-handed alpha
Helix 70	70	N	84	98	Right-handed alpha
Helix 71	71	O	10	19	Right-handed alpha
Helix 72	72	O	21	31	Right-handed alpha
Helix 73	73	O	42	50	Right-handed alpha
Helix 74	74	O	53	67	Right-handed alpha
Helix 75	75	O	84	98	Right-handed alpha
Helix 76	76	P	10	19	Right-handed alpha
Helix 77	77	P	21	31	Right-handed alpha
Helix 78	78	P	42	50	Right-handed alpha
Helix 79	79	P	53	67	Right-handed alpha
Helix 80	80	P	84	98	Right-handed alpha

There are 24 sheets in PDB entry 4ASO. Click on sheet of interest to get list of strands forming it: AA, AB, BA, CA, CB, A, EA, EB, FA, GA, GB, HA, IA, IB, JA, KA, KB, LA, MA, MB, NA, OA, OB, PA,

There are 2 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	7	9	first strand
Strand 2	B	7	9	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	70	75	first strand
Strand 2	A	78	83	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	70	75	first strand
Strand 2	B	78	83	anti-parallel

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There are 2 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	7	9	first strand
Strand 2	D	7	9	anti-parallel

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There are 2 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	70	75	first strand
Strand 2	C	78	83	anti-parallel

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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	D	70	75	first strand
Strand 2	D	78	83	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	7	9	first strand
Strand 2	F	7	9	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	70	75	first strand
Strand 2	E	78	83	anti-parallel

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There are 2 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	70	75	first strand
Strand 2	F	78	83	anti-parallel

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There are 2 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	7	9	first strand
Strand 2	H	7	9	anti-parallel

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There are 2 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	70	75	first strand
Strand 2	G	78	83	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	70	75	first strand
Strand 2	H	78	83	anti-parallel

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There are 2 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	7	9	first strand
Strand 2	J	7	9	anti-parallel

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There are 2 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	70	75	first strand
Strand 2	I	78	83	anti-parallel

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There are 2 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	70	75	first strand
Strand 2	J	78	83	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	7	9	first strand
Strand 2	L	7	9	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	K	70	75	first strand
Strand 2	K	78	83	anti-parallel

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There are 2 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	70	75	first strand
Strand 2	L	78	83	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	7	9	first strand
Strand 2	N	7	9	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	M	70	75	first strand
Strand 2	M	78	83	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	N	70	75	first strand
Strand 2	N	78	83	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	O	7	9	first strand
Strand 2	P	7	9	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	O	70	75	first strand
Strand 2	O	78	83	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	P	70	75	first strand
Strand 2	P	78	83	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: 4ASO

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