Analysis of interatomic Contacts of Structural Units in PDB entry:
4H18


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 4H18 entry

There are 4 chains in PDB entry 4H18 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ALA 30GLU 364
B
 ALA 30LEU 363
C
 ALA 30GLU 364
D
 ALA 30LEU 363
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 62 helices in PDB entry 4H18. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
33 39Right-handed alpha
Helix 2
2
A
60 66Right-handed alpha
Helix 3
3
A
116 121Right-handed alpha
Helix 4
4
A
122 131Right-handed alpha
Helix 5
5
A
152 156Right-handed 310
Helix 6
6
A
160 167Right-handed alpha
Helix 7
7
A
169 177Right-handed alpha
Helix 8
8
A
190 202Right-handed alpha
Helix 9
9
A
220 233Right-handed alpha
Helix 10
10
A
237 243Right-handed alpha
Helix 11
11
A
247 253Right-handed alpha
Helix 12
12
A
258 263Right-handed 310
Helix 13
13
A
272 279Right-handed 310
Helix 14
14
A
306 328Right-handed alpha
Helix 15
15
A
342 362Right-handed alpha
Helix 16
16
B
33 39Right-handed alpha
Helix 17
17
B
60 66Right-handed alpha
Helix 18
18
B
116 121Right-handed alpha
Helix 19
19
B
122 131Right-handed alpha
Helix 20
20
B
152 156Right-handed 310
Helix 21
21
B
160 167Right-handed alpha
Helix 22
22
B
169 178Right-handed alpha
Helix 23
23
B
190 202Right-handed alpha
Helix 24
24
B
220 233Right-handed alpha
Helix 25
25
B
237 243Right-handed alpha
Helix 26
26
B
247 253Right-handed alpha
Helix 27
27
B
258 263Right-handed 310
Helix 28
28
B
272 280Right-handed 310
Helix 29
29
B
306 328Right-handed alpha
Helix 30
30
B
342 362Right-handed alpha
Helix 31
31
C
33 39Right-handed alpha
Helix 32
32
C
60 67Right-handed alpha
Helix 33
33
C
93 97Right-handed 310
Helix 34
34
C
116 121Right-handed alpha
Helix 35
35
C
122 129Right-handed alpha
Helix 36
36
C
152 156Right-handed 310
Helix 37
37
C
160 167Right-handed alpha
Helix 38
38
C
169 178Right-handed alpha
Helix 39
39
C
189 202Right-handed alpha
Helix 40
40
C
220 232Right-handed alpha
Helix 41
41
C
233 235Right-handed 310
Helix 42
42
C
237 243Right-handed alpha
Helix 43
43
C
247 253Right-handed alpha
Helix 44
44
C
258 263Right-handed 310
Helix 45
45
C
302 328Right-handed alpha
Helix 46
46
C
342 361Right-handed alpha
Helix 47
47
D
33 39Right-handed alpha
Helix 48
48
D
60 67Right-handed alpha
Helix 49
49
D
93 97Right-handed 310
Helix 50
50
D
116 121Right-handed alpha
Helix 51
51
D
122 129Right-handed alpha
Helix 52
52
D
152 156Right-handed 310
Helix 53
53
D
160 167Right-handed alpha
Helix 54
54
D
169 178Right-handed alpha
Helix 55
55
D
189 202Right-handed alpha
Helix 56
56
D
220 232Right-handed alpha
Helix 57
57
D
233 235Right-handed 310
Helix 58
58
D
237 243Right-handed alpha
Helix 59
59
D
247 253Right-handed alpha
Helix 60
60
D
258 263Right-handed 310
Helix 61
61
D
302 328Right-handed alpha
Helix 62
62
D
342 361Right-handed alpha
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There are 4 sheets in PDB entry 4H18. Click on sheet of interest to get list of strands forming it: A, B, C, D,

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
45 47first strand
Strand 2
A
71 78anti-parallel
Strand 3
A
83 90anti-parallel
Strand 4
A
133 137anti-parallel
Strand 5
A
101 105parallel
Strand 6
A
183 188parallel
Strand 7
A
208 212parallel
Strand 8
A
266 270parallel
Strand 9
A
332 334parallel
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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
45 47first strand
Strand 2
B
71 78anti-parallel
Strand 3
B
83 90anti-parallel
Strand 4
B
133 137anti-parallel
Strand 5
B
99 105parallel
Strand 6
B
179 188parallel
Strand 7
B
208 212parallel
Strand 8
B
266 270parallel
Strand 9
B
332 334parallel
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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
45 47first strand
Strand 2
C
71 78anti-parallel
Strand 3
C
83 90anti-parallel
Strand 4
C
133 137anti-parallel
Strand 5
C
101 105parallel
Strand 6
C
183 188parallel
Strand 7
C
208 212parallel
Strand 8
C
266 270parallel
Strand 9
C
332 334parallel
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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
45 47first strand
Strand 2
D
71 78anti-parallel
Strand 3
D
83 90anti-parallel
Strand 4
D
133 137anti-parallel
Strand 5
D
101 105parallel
Strand 6
D
183 188parallel
Strand 7
D
208 212parallel
Strand 8
D
266 270parallel
Strand 9
D
332 334parallel
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