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


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).
For CSU analysis of other PDB entry

This page provides analyses of contacts formed by:
For analysis of ligand-protein contacts, use: 3D structure can be seen in additional window with STING software for 4ARN entry

There are 4 chains in PDB entry 4ARN (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 28TYR 304
B
 SER 28GLY 300
C
 SER 28GLY 300
D
 SER 28THR 299
Residue contacts

1. List of contacts for up to 10 consecutive residues:
Chain ID from residue number to residue number


2. Detailed analyses of contacts for any single residue:
Residue number chain ID
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There are 26 helices in PDB entry 4ARN. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
30 41Right-handed alpha
Helix 2
2
A
83 90Right-handed 310
Helix 3
3
A
115 122Right-handed alpha
Helix 4
4
A
142 147Right-handed 310
Helix 5
5
A
264 274Right-handed alpha
Helix 6
6
A
291 294Right-handed 310
Helix 7
7
B
30 37Right-handed alpha
Helix 8
8
B
38 40Right-handed 310
Helix 9
9
B
83 90Right-handed 310
Helix 10
10
B
115 122Right-handed alpha
Helix 11
11
B
142 147Right-handed 310
Helix 12
12
B
264 274Right-handed alpha
Helix 13
13
B
291 294Right-handed 310
Helix 14
14
C
30 36Right-handed alpha
Helix 15
15
C
83 90Right-handed 310
Helix 16
16
C
115 122Right-handed alpha
Helix 17
17
C
143 147Right-handed 310
Helix 18
18
C
264 274Right-handed alpha
Helix 19
19
C
291 294Right-handed 310
Helix 20
20
D
30 36Right-handed alpha
Helix 21
21
D
36 41Right-handed alpha
Helix 22
22
D
83 90Right-handed 310
Helix 23
23
D
115 122Right-handed alpha
Helix 24
24
D
143 147Right-handed 310
Helix 25
25
D
264 274Right-handed alpha
Helix 26
26
D
291 294Right-handed 310
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There are 8 sheets in PDB entry 4ARN. Click on sheet of interest to get list of strands forming it: AA, AB, BA, BB, CA, CB, DA, DB,

There are 12 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
44 48first strand
Strand 2
A
51 56anti-parallel
Strand 3
A
65 70anti-parallel
Strand 4
A
74 79anti-parallel
Strand 5
A
101 105parallel
Strand 6
A
129 133parallel
Strand 7
A
154 158parallel
Strand 8
A
178 182parallel
Strand 9
A
201 203parallel
Strand 10
A
225 227parallel
Strand 11
A
249 251parallel
Strand 12
A
278 279parallel
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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
97 98first strand
Strand 2
A
124 125parallel
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There are 12 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
44 48first strand
Strand 2
B
51 56anti-parallel
Strand 3
B
65 70anti-parallel
Strand 4
B
74 79anti-parallel
Strand 5
B
101 105parallel
Strand 6
B
129 133parallel
Strand 7
B
154 158parallel
Strand 8
B
178 182parallel
Strand 9
B
201 203parallel
Strand 10
B
225 227parallel
Strand 11
B
249 251parallel
Strand 12
B
278 279parallel
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There are 2 strands in BB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
97 98first strand
Strand 2
B
124 125parallel
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There are 12 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
44 48first strand
Strand 2
C
51 56anti-parallel
Strand 3
C
65 70anti-parallel
Strand 4
C
74 79anti-parallel
Strand 5
C
101 105parallel
Strand 6
C
129 133parallel
Strand 7
C
154 158parallel
Strand 8
C
178 182parallel
Strand 9
C
201 203parallel
Strand 10
C
225 227parallel
Strand 11
C
249 251parallel
Strand 12
C
278 279parallel
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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
97 98first strand
Strand 2
C
124 125parallel
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There are 12 strands in DA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
44 48first strand
Strand 2
D
51 56anti-parallel
Strand 3
D
65 70anti-parallel
Strand 4
D
74 79anti-parallel
Strand 5
D
101 105parallel
Strand 6
D
129 133parallel
Strand 7
D
154 158parallel
Strand 8
D
178 182parallel
Strand 9
D
201 203parallel
Strand 10
D
225 227parallel
Strand 11
D
249 251parallel
Strand 12
D
278 279parallel
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There are 2 strands in DB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
97 98first strand
Strand 2
D
124 125parallel
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