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


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 4GRA entry

There are 2 chains in PDB entry 4GRA (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 8LEU 295
B
 SER 8LEU 295
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 33 helices in PDB entry 4GRA. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
21 32Right-handed alpha
Helix 2
2
A
50 63Right-handed alpha
Helix 3
3
A
68 72Right-handed 310
Helix 4
4
A
74 79Right-handed alpha
Helix 5
5
A
91 99Right-handed alpha
Helix 6
6
A
110 115Right-handed 310
Helix 7
7
A
116 121Right-handed alpha
Helix 8
8
A
131 146Right-handed alpha
Helix 9
9
A
154 164Right-handed alpha
Helix 10
10
A
171 183Right-handed alpha
Helix 11
11
A
193 199Right-handed alpha
Helix 12
12
A
199 212Right-handed alpha
Helix 13
13
A
216 227Right-handed alpha
Helix 14
14
A
228 235Right-handed alpha
Helix 15
15
A
262 267Right-handed 310
Helix 16
16
A
269 284Right-handed alpha
Helix 17
17
B
21 27Right-handed alpha
Helix 18
18
B
28 34Right-handed 310
Helix 19
19
B
50 63Right-handed alpha
Helix 20
20
B
68 72Right-handed 310
Helix 21
21
B
74 79Right-handed alpha
Helix 22
22
B
91 99Right-handed alpha
Helix 23
23
B
110 115Right-handed 310
Helix 24
24
B
116 121Right-handed alpha
Helix 25
25
B
131 146Right-handed alpha
Helix 26
26
B
154 164Right-handed alpha
Helix 27
27
B
171 183Right-handed alpha
Helix 28
28
B
193 199Right-handed alpha
Helix 29
29
B
199 211Right-handed alpha
Helix 30
30
B
216 227Right-handed alpha
Helix 31
31
B
228 235Right-handed alpha
Helix 32
32
B
262 267Right-handed 310
Helix 33
33
B
269 284Right-handed alpha
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There are 4 sheets in PDB entry 4GRA. Click on sheet of interest to get list of strands forming it: A, B, C, D,

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
A
13 15first strand
Strand 2
A
18 20anti-parallel
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There are 4 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
104 107first strand
Strand 2
A
41 44parallel
Strand 3
A
124 129parallel
Strand 4
A
188 192parallel
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There are 2 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
13 15first strand
Strand 2
B
18 20anti-parallel
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There are 4 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
104 107first strand
Strand 2
B
41 44parallel
Strand 3
B
124 129parallel
Strand 4
B
188 192parallel
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