Analysis of interatomic Contacts of Structural Units in PDB entry:
4F21


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 4F21 entry

There are 6 chains in PDB entry 4F21 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASN -1ILE 222
B
 ASN -1ILE 222
C
 ASN -1ILE 222
D
 ASN -1ILE 222
E
 SER -2ILE 222
F
 SER -2ASN 214
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 74 helices in PDB entry 4F21. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
28 36Right-handed 310
Helix 2
2
A
50 53Right-handed 310
Helix 3
3
A
57 65Right-handed alpha
Helix 4
4
A
76 81Right-handed 310
Helix 5
5
A
83 84Right-handed 310
Helix 6
6
A
86 86Right-handed 310
Helix 7
7
A
87 103Right-handed alpha
Helix 8
8
A
106 108Right-handed 310
Helix 9
9
A
119 127Right-handed alpha
Helix 10
10
A
145 150Right-handed alpha
Helix 11
11
A
154 158Right-handed 310
Helix 12
12
A
174 187Right-handed alpha
Helix 13
13
A
205 220Right-handed alpha
Helix 14
14
B
28 36Right-handed 310
Helix 15
15
B
55 60Right-handed alpha
Helix 16
16
B
60 65Right-handed alpha
Helix 17
17
B
76 80Right-handed 310
Helix 18
18
B
82 103Right-handed alpha
Helix 19
19
B
106 108Right-handed 310
Helix 20
20
B
116 128Right-handed alpha
Helix 21
21
B
145 153Right-handed 310
Helix 22
22
B
154 158Right-handed 310
Helix 23
23
B
174 188Right-handed alpha
Helix 24
24
B
205 221Right-handed alpha
Helix 25
25
C
30 35Right-handed 310
Helix 26
26
C
50 53Right-handed 310
Helix 27
27
C
58 65Right-handed alpha
Helix 28
28
C
77 81Right-handed 310
Helix 29
29
C
82 103Right-handed alpha
Helix 30
30
C
106 108Right-handed 310
Helix 31
31
C
116 128Right-handed alpha
Helix 32
32
C
145 150Right-handed alpha
Helix 33
33
C
174 189Right-handed alpha
Helix 34
34
C
205 220Right-handed alpha
Helix 35
35
D
28 36Right-handed 310
Helix 36
36
D
50 53Right-handed 310
Helix 37
37
D
55 63Right-handed alpha
Helix 38
38
D
77 81Right-handed 310
Helix 39
39
D
82 103Right-handed alpha
Helix 40
40
D
106 108Right-handed 310
Helix 41
41
D
116 128Right-handed alpha
Helix 42
42
D
145 150Right-handed alpha
Helix 43
43
D
175 189Right-handed alpha
Helix 44
44
D
205 221Right-handed alpha
Helix 45
45
E
29 36Right-handed 310
Helix 46
46
E
39 41Right-handed 310
Helix 47
48
E
82 102Right-handed alpha
Helix 48
49
E
106 108Right-handed 310
Helix 49
50
E
116 127Right-handed alpha
Helix 50
51
E
145 150Right-handed alpha
Helix 51
52
E
174 189Right-handed alpha
Helix 52
53
E
205 221Right-handed alpha
Helix 53
54
F
28 36Right-handed 310
Helix 54
55
F
60 64Right-handed 310
Helix 55
56
F
85 103Right-handed alpha
Helix 56
57
F
106 108Right-handed 310
Helix 57
58
F
116 127Right-handed alpha
Helix 58
59
F
146 151Right-handed alpha
Helix 59
60
F
174 189Right-handed alpha
Helix 60
61
F
205 220Right-handed alpha
Helix 61
62
G
29 36Right-handed 310
Helix 62
63
G
82 88Right-handed alpha
Helix 63
64
G
93 104Right-handed alpha
Helix 64
65
G
116 129Right-handed alpha
Helix 65
66
G
175 188Right-handed alpha
Helix 66
67
G
205 220Right-handed alpha
Helix 67
68
H
30 35Right-handed 310
Helix 68
69
H
66 70Right-handed 310
Helix 69
70
H
82 104Right-handed alpha
Helix 70
71
H
106 108Right-handed 310
Helix 71
72
H
116 125Right-handed alpha
Helix 72
73
H
145 151Right-handed alpha
Helix 73
74
H
175 186Right-handed alpha
Helix 74
75
H
205 220Right-handed alpha
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There are 8 sheets in PDB entry 4F21. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H,

There are 7 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
3 6first strand
Strand 2
A
43 48anti-parallel
Strand 3
A
14 20parallel
Strand 4
A
110 115parallel
Strand 5
A
135 139parallel
Strand 6
A
162 167parallel
Strand 7
A
192 197parallel
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There are 7 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
3 6first strand
Strand 2
B
43 48anti-parallel
Strand 3
B
14 20parallel
Strand 4
B
110 115parallel
Strand 5
B
135 139parallel
Strand 6
B
162 167parallel
Strand 7
B
193 197parallel
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There are 7 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
3 6first strand
Strand 2
C
43 48anti-parallel
Strand 3
C
14 19parallel
Strand 4
C
110 114parallel
Strand 5
C
135 139parallel
Strand 6
C
162 167parallel
Strand 7
C
193 197parallel
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There are 7 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
3 6first strand
Strand 2
D
43 48anti-parallel
Strand 3
D
14 19parallel
Strand 4
D
110 115parallel
Strand 5
D
135 139parallel
Strand 6
D
162 167parallel
Strand 7
D
193 197parallel
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There are 7 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
3 6first strand
Strand 2
E
43 48anti-parallel
Strand 3
E
14 19parallel
Strand 4
E
110 115parallel
Strand 5
E
135 139parallel
Strand 6
E
162 167parallel
Strand 7
E
193 197parallel
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There are 7 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
3 6first strand
Strand 2
F
43 48anti-parallel
Strand 3
F
14 19parallel
Strand 4
F
110 115parallel
Strand 5
F
135 139parallel
Strand 6
F
162 167parallel
Strand 7
F
193 197parallel
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There are 7 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
3 6first strand
Strand 2
G
43 48anti-parallel
Strand 3
G
14 19parallel
Strand 4
G
110 115parallel
Strand 5
G
136 139parallel
Strand 6
G
162 167parallel
Strand 7
G
192 197parallel
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There are 7 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
3 6first strand
Strand 2
H
43 48anti-parallel
Strand 3
H
14 18parallel
Strand 4
H
110 115parallel
Strand 5
H
135 139parallel
Strand 6
H
162 167parallel
Strand 7
H
193 197parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il