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


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 4AHP entry

There are 4 chains in PDB entry 4AHP (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 HIS 1LEU 293
B
 HIS -1LEU 293
C
 HIS -4LEU 293
D
 LYS 3LEU 293
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 61 helices in PDB entry 4AHP. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
23 37Right-handed alpha
Helix 2
2
A
47 51Right-handed 310
Helix 3
3
A
51 55Right-handed 310
Helix 4
4
A
56 71Right-handed alpha
Helix 5
5
A
85 100Right-handed alpha
Helix 6
6
A
115 131Right-handed alpha
Helix 7
7
A
148 157Right-handed alpha
Helix 8
8
A
170 181Right-handed alpha
Helix 9
9
A
190 192Right-handed 310
Helix 10
10
A
193 200Right-handed alpha
Helix 11
11
A
209 226Right-handed alpha
Helix 12
12
A
228 249Right-handed alpha
Helix 13
13
A
250 262Right-handed alpha
Helix 14
14
A
277 279Right-handed 310
Helix 15
15
A
280 292Right-handed alpha
Helix 16
16
B
0 4Right-handed 310
Helix 17
17
B
23 37Right-handed alpha
Helix 18
18
B
47 51Right-handed 310
Helix 19
19
B
51 55Right-handed 310
Helix 20
20
B
56 70Right-handed alpha
Helix 21
21
B
85 99Right-handed alpha
Helix 22
22
B
115 131Right-handed alpha
Helix 23
23
B
148 157Right-handed alpha
Helix 24
24
B
170 181Right-handed alpha
Helix 25
25
B
190 192Right-handed 310
Helix 26
26
B
193 200Right-handed alpha
Helix 27
27
B
209 226Right-handed alpha
Helix 28
28
B
228 250Right-handed alpha
Helix 29
29
B
250 262Right-handed alpha
Helix 30
30
B
277 279Right-handed 310
Helix 31
31
B
280 291Right-handed alpha
Helix 32
32
C
23 37Right-handed alpha
Helix 33
33
C
47 51Right-handed 310
Helix 34
34
C
51 55Right-handed 310
Helix 35
35
C
56 70Right-handed alpha
Helix 36
36
C
85 99Right-handed alpha
Helix 37
37
C
115 131Right-handed alpha
Helix 38
38
C
148 157Right-handed alpha
Helix 39
39
C
170 181Right-handed alpha
Helix 40
40
C
190 192Right-handed 310
Helix 41
41
C
193 200Right-handed alpha
Helix 42
42
C
209 226Right-handed alpha
Helix 43
43
C
228 250Right-handed alpha
Helix 44
44
C
250 261Right-handed alpha
Helix 45
45
C
277 279Right-handed 310
Helix 46
46
C
280 292Right-handed alpha
Helix 47
47
D
23 36Right-handed alpha
Helix 48
48
D
47 51Right-handed 310
Helix 49
49
D
51 55Right-handed 310
Helix 50
50
D
56 71Right-handed alpha
Helix 51
51
D
85 100Right-handed alpha
Helix 52
52
D
115 131Right-handed alpha
Helix 53
53
D
148 157Right-handed alpha
Helix 54
54
D
170 181Right-handed alpha
Helix 55
55
D
190 192Right-handed 310
Helix 56
56
D
193 200Right-handed alpha
Helix 57
57
D
209 226Right-handed alpha
Helix 58
58
D
228 250Right-handed alpha
Helix 59
59
D
250 262Right-handed alpha
Helix 60
60
D
277 279Right-handed 310
Helix 61
61
D
280 292Right-handed alpha
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There are 4 sheets in PDB entry 4AHP. Click on sheet of interest to get list of strands forming it: AA, BA, CA, A,

There are 9 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
7 11first strand
Strand 2
A
204 207parallel
Strand 3
A
185 188parallel
Strand 4
A
161 166parallel
Strand 5
A
134 136parallel
Strand 6
A
103 105parallel
Strand 7
A
76 80parallel
Strand 8
A
42 45parallel
Strand 9
A
7 11parallel
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There are 9 strands in BA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
7 11first strand
Strand 2
B
204 207parallel
Strand 3
B
185 188parallel
Strand 4
B
161 166parallel
Strand 5
B
134 137parallel
Strand 6
B
103 105parallel
Strand 7
B
76 80parallel
Strand 8
B
42 45parallel
Strand 9
B
7 11parallel
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There are 9 strands in CA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
7 11first strand
Strand 2
C
204 207parallel
Strand 3
C
185 188parallel
Strand 4
C
161 166parallel
Strand 5
C
134 138parallel
Strand 6
C
103 105parallel
Strand 7
C
76 80parallel
Strand 8
C
42 45parallel
Strand 9
C
7 11parallel
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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
D
7 11first strand
Strand 2
D
204 207parallel
Strand 3
D
185 188parallel
Strand 4
D
161 166parallel
Strand 5
D
134 137parallel
Strand 6
D
103 105parallel
Strand 7
D
76 80parallel
Strand 8
D
42 45parallel
Strand 9
D
7 11parallel
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