Analysis of interatomic Contacts of Structural Units in PDB entry:
3L21


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 3L21 entry

There are 14 chains in PDB entry 3L21 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 VAL 4VAL 170
A
 ASP 172LEU 247
A
 ASN 249ARG 300
B
 PHE 6VAL 170
B
 ASP 172LEU 247
B
 ASN 249ARG 300
C
 PHE 6VAL 170
C
 ASP 172LEU 247
C
 ASN 249ARG 300
D
 PHE 6VAL 170
D
 ASP 172LEU 247
D
 ASN 249ARG 300
E
 PHE 6VAL 170
E
 ASP 172ASP 186
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 93 helices in PDB entry 3L21. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
7 13Right-handed alpha
Helix 2
2
A
30 44Right-handed alpha
Helix 3
3
A
57 61Right-handed 310
Helix 4
4
A
62 78Right-handed alpha
Helix 5
5
A
91 106Right-handed alpha
Helix 6
6
A
121 134Right-handed alpha
Helix 7
7
A
145 150Right-handed alpha
Helix 8
8
A
154 163Right-handed alpha
Helix 9
9
A
176 188Right-handed alpha
Helix 10
10
A
195 197Right-handed 310
Helix 11
11
A
198 206Right-handed alpha
Helix 12
12
A
214 232Right-handed alpha
Helix 13
13
A
233 244Right-handed alpha
Helix 14
14
A
244 267Right-handed alpha
Helix 15
15
A
282 296Right-handed alpha
Helix 16
16
B
7 13Right-handed alpha
Helix 17
17
B
30 45Right-handed alpha
Helix 18
18
B
57 61Right-handed 310
Helix 19
19
B
62 78Right-handed alpha
Helix 20
20
B
91 106Right-handed alpha
Helix 21
21
B
121 136Right-handed alpha
Helix 22
22
B
145 150Right-handed alpha
Helix 23
23
B
154 163Right-handed alpha
Helix 24
24
B
176 188Right-handed alpha
Helix 25
25
B
195 197Right-handed 310
Helix 26
26
B
198 205Right-handed alpha
Helix 27
27
B
214 231Right-handed alpha
Helix 28
28
B
233 245Right-handed alpha
Helix 29
29
B
245 255Right-handed alpha
Helix 30
30
B
255 267Right-handed alpha
Helix 31
31
B
282 296Right-handed alpha
Helix 32
32
C
7 12Right-handed alpha
Helix 33
33
C
30 44Right-handed alpha
Helix 34
34
C
57 61Right-handed 310
Helix 35
35
C
62 78Right-handed alpha
Helix 36
36
C
91 106Right-handed alpha
Helix 37
37
C
121 134Right-handed alpha
Helix 38
38
C
145 150Right-handed alpha
Helix 39
39
C
154 162Right-handed alpha
Helix 40
40
C
176 188Right-handed alpha
Helix 41
41
C
195 197Right-handed 310
Helix 42
42
C
198 206Right-handed alpha
Helix 43
43
C
214 231Right-handed alpha
Helix 44
44
C
233 244Right-handed alpha
Helix 45
45
C
244 255Right-handed alpha
Helix 46
46
C
255 267Right-handed alpha
Helix 47
47
C
282 296Right-handed alpha
Helix 48
48
D
7 13Right-handed alpha
Helix 49
49
D
30 44Right-handed alpha
Helix 50
50
D
57 61Right-handed 310
Helix 51
51
D
62 78Right-handed alpha
Helix 52
52
D
91 106Right-handed alpha
Helix 53
53
D
121 135Right-handed alpha
Helix 54
54
D
145 150Right-handed alpha
Helix 55
55
D
154 162Right-handed alpha
Helix 56
56
D
176 188Right-handed alpha
Helix 57
57
D
195 197Right-handed 310
Helix 58
58
D
198 205Right-handed alpha
Helix 59
59
D
214 231Right-handed alpha
Helix 60
60
D
233 244Right-handed alpha
Helix 61
61
D
244 255Right-handed alpha
Helix 62
62
D
255 267Right-handed alpha
Helix 63
63
D
282 296Right-handed alpha
Helix 64
64
E
7 12Right-handed alpha
Helix 65
65
E
30 44Right-handed alpha
Helix 66
66
E
57 61Right-handed 310
Helix 67
67
E
62 78Right-handed alpha
Helix 68
68
E
91 106Right-handed alpha
Helix 69
69
E
121 136Right-handed alpha
Helix 70
70
E
145 150Right-handed alpha
Helix 71
71
E
154 162Right-handed alpha
Helix 72
72
E
176 188Right-handed alpha
Helix 73
73
E
195 197Right-handed 310
Helix 74
74
E
198 204Right-handed alpha
Helix 75
75
E
214 231Right-handed alpha
Helix 76
76
E
233 255Right-handed alpha
Helix 77
77
E
255 267Right-handed alpha
Helix 78
78
E
282 296Right-handed alpha
Helix 79
79
F
7 13Right-handed alpha
Helix 80
80
F
30 44Right-handed alpha
Helix 81
81
F
57 61Right-handed 310
Helix 82
82
F
62 78Right-handed alpha
Helix 83
83
F
91 106Right-handed alpha
Helix 84
84
F
121 136Right-handed alpha
Helix 85
85
F
145 150Right-handed alpha
Helix 86
86
F
154 162Right-handed alpha
Helix 87
87
F
176 188Right-handed alpha
Helix 88
88
F
195 197Right-handed 310
Helix 89
89
F
198 206Right-handed alpha
Helix 90
90
F
214 231Right-handed alpha
Helix 91
91
F
233 255Right-handed alpha
Helix 92
92
F
255 267Right-handed alpha
Helix 93
93
F
282 296Right-handed alpha
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There are 6 sheets in PDB entry 3L21. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F,

There are 9 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
15 18first strand
Strand 2
A
48 51parallel
Strand 3
A
82 86parallel
Strand 4
A
109 113parallel
Strand 5
A
140 144parallel
Strand 6
A
167 172parallel
Strand 7
A
190 193parallel
Strand 8
A
209 212parallel
Strand 9
A
15 18parallel
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There are 9 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
15 18first strand
Strand 2
B
48 51parallel
Strand 3
B
82 86parallel
Strand 4
B
109 113parallel
Strand 5
B
140 144parallel
Strand 6
B
167 172parallel
Strand 7
B
190 193parallel
Strand 8
B
209 212parallel
Strand 9
B
15 18parallel
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There are 9 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
15 18first strand
Strand 2
C
48 51parallel
Strand 3
C
82 86parallel
Strand 4
C
109 113parallel
Strand 5
C
140 144parallel
Strand 6
C
167 172parallel
Strand 7
C
190 193parallel
Strand 8
C
209 212parallel
Strand 9
C
15 18parallel
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There are 9 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
15 18first strand
Strand 2
D
48 51parallel
Strand 3
D
82 86parallel
Strand 4
D
109 113parallel
Strand 5
D
140 144parallel
Strand 6
D
167 172parallel
Strand 7
D
190 193parallel
Strand 8
D
209 212parallel
Strand 9
D
15 18parallel
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There are 9 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
15 18first strand
Strand 2
E
48 51parallel
Strand 3
E
82 86parallel
Strand 4
E
109 113parallel
Strand 5
E
140 144parallel
Strand 6
E
167 172parallel
Strand 7
E
190 193parallel
Strand 8
E
209 212parallel
Strand 9
E
15 18parallel
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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
F
15 19first strand
Strand 2
F
48 51parallel
Strand 3
F
82 86parallel
Strand 4
F
109 113parallel
Strand 5
F
140 144parallel
Strand 6
F
167 172parallel
Strand 7
F
190 193parallel
Strand 8
F
209 212parallel
Strand 9
F
15 19parallel
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