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


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 4FEX entry

There are 5 chains in PDB entry 4FEX (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASN 18PHE 271
B
 HIS 3PHE 271
C
 THR 8PHE 271
D
 LEU 19PHE 271
E
 ASN 18PHE 271
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 63 helices in PDB entry 4FEX. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
19 23Right-handed 310
Helix 2
2
A
59 76Right-handed alpha
Helix 3
3
A
106 113Right-handed alpha
Helix 4
4
A
116 134Right-handed alpha
Helix 5
5
A
135 139Right-handed 310
Helix 6
6
A
144 157Right-handed alpha
Helix 7
7
A
162 166Right-handed 310
Helix 8
8
A
167 171Right-handed 310
Helix 9
9
A
174 183Right-handed alpha
Helix 10
10
A
216 220Right-handed 310
Helix 11
11
A
225 236Right-handed alpha
Helix 12
12
A
237 239Right-handed 310
Helix 13
13
A
240 252Right-handed alpha
Helix 14
14
A
257 269Right-handed alpha
Helix 15
15
B
59 76Right-handed alpha
Helix 16
16
B
106 113Right-handed alpha
Helix 17
17
B
116 134Right-handed alpha
Helix 18
18
B
135 139Right-handed 310
Helix 19
19
B
144 157Right-handed alpha
Helix 20
20
B
162 166Right-handed 310
Helix 21
21
B
167 171Right-handed 310
Helix 22
22
B
174 183Right-handed alpha
Helix 23
23
B
225 237Right-handed alpha
Helix 24
24
B
240 252Right-handed alpha
Helix 25
25
B
257 269Right-handed alpha
Helix 26
26
C
20 24Right-handed 310
Helix 27
27
C
59 76Right-handed alpha
Helix 28
28
C
106 113Right-handed alpha
Helix 29
29
C
116 133Right-handed alpha
Helix 30
30
C
134 139Right-handed 310
Helix 31
31
C
144 157Right-handed alpha
Helix 32
32
C
162 166Right-handed 310
Helix 33
33
C
167 171Right-handed 310
Helix 34
34
C
174 184Right-handed alpha
Helix 35
35
C
225 237Right-handed alpha
Helix 36
36
C
240 252Right-handed alpha
Helix 37
37
C
257 269Right-handed alpha
Helix 38
38
D
59 76Right-handed alpha
Helix 39
39
D
106 113Right-handed alpha
Helix 40
40
D
116 132Right-handed alpha
Helix 41
41
D
133 134Right-handed 310
Helix 42
42
D
135 139Right-handed 310
Helix 43
43
D
144 158Right-handed alpha
Helix 44
44
D
162 166Right-handed 310
Helix 45
45
D
167 171Right-handed 310
Helix 46
46
D
174 183Right-handed alpha
Helix 47
47
D
225 237Right-handed alpha
Helix 48
48
D
240 252Right-handed alpha
Helix 49
49
D
257 269Right-handed alpha
Helix 50
50
E
59 76Right-handed alpha
Helix 51
51
E
106 113Right-handed alpha
Helix 52
52
E
116 132Right-handed alpha
Helix 53
53
E
133 134Right-handed 310
Helix 54
54
E
135 139Right-handed 310
Helix 55
55
E
144 158Right-handed alpha
Helix 56
56
E
162 166Right-handed 310
Helix 57
57
E
167 171Right-handed 310
Helix 58
58
E
174 185Right-handed alpha
Helix 59
59
E
200 202Right-handed 310
Helix 60
60
E
225 237Right-handed alpha
Helix 61
61
E
240 252Right-handed alpha
Helix 62
62
E
257 268Right-handed alpha
Helix 63
63
E
269 271Right-handed 310
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There are 13 sheets in PDB entry 4FEX. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M,

There are 11 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
6 9first strand
Strand 2
A
27 32anti-parallel
Strand 3
A
39 44anti-parallel
Strand 4
A
52 58anti-parallel
Strand 5
A
93 99anti-parallel
Strand 6
A
84 89anti-parallel
Strand 7
B
84 89anti-parallel
Strand 8
B
93 99anti-parallel
Strand 9
B
52 58anti-parallel
Strand 10
B
39 43anti-parallel
Strand 11
B
30 31anti-parallel
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There are 3 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 105first strand
Strand 2
A
204 207anti-parallel
Strand 3
A
210 214anti-parallel
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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
A
193 195first strand
Strand 2
A
221 223anti-parallel
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There are 3 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 105first strand
Strand 2
B
204 207anti-parallel
Strand 3
B
210 214anti-parallel
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There are 2 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
192 195first strand
Strand 2
B
221 224anti-parallel
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There are 9 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
39 43first strand
Strand 2
C
52 58anti-parallel
Strand 3
C
93 99anti-parallel
Strand 4
C
84 89anti-parallel
Strand 5
D
84 89anti-parallel
Strand 6
D
93 99anti-parallel
Strand 7
D
52 58anti-parallel
Strand 8
D
39 44anti-parallel
Strand 9
D
27 30anti-parallel
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There are 3 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
104 105first strand
Strand 2
C
204 207anti-parallel
Strand 3
C
210 214anti-parallel
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There are 2 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
192 195first strand
Strand 2
C
221 224anti-parallel
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There are 3 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
104 105first strand
Strand 2
D
204 207anti-parallel
Strand 3
D
210 214anti-parallel
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There are 2 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
192 195first strand
Strand 2
D
221 224anti-parallel
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There are 5 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
27 30first strand
Strand 2
E
39 44anti-parallel
Strand 3
E
52 58anti-parallel
Strand 4
E
93 99anti-parallel
Strand 5
E
84 89anti-parallel
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There are 3 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
104 105first strand
Strand 2
E
204 207anti-parallel
Strand 3
E
210 214anti-parallel
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There are 2 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
192 195first strand
Strand 2
E
221 224anti-parallel
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