Analysis of interatomic Contacts of Structural Units in PDB entry:
2AHM


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 2AHM entry

There are 8 chains in PDB entry 2AHM (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PRO 2GLU 78
B
 LEU 3GLU 79
C
 SER 5GLU 78
D
 GLY 1LEU 76
E
 LEU 43ASN 197
F
 ASP 55ASN 197
G
 ALA 6ALA 196
H
 ILE 7ASN 197
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 42 helices in PDB entry 2AHM. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
5 25Right-handed alpha
Helix 2
2
A
30 46Right-handed alpha
Helix 3
3
A
49 75Right-handed alpha
Helix 4
4
B
6 25Right-handed alpha
Helix 5
5
B
26 29Right-handed 310
Helix 6
6
B
30 47Right-handed alpha
Helix 7
7
B
49 69Right-handed alpha
Helix 8
8
B
69 78Right-handed alpha
Helix 9
9
C
6 25Right-handed alpha
Helix 10
10
C
26 29Right-handed 310
Helix 11
11
C
30 46Right-handed alpha
Helix 12
12
C
49 67Right-handed alpha
Helix 13
13
C
68 71Right-handed 310
Helix 14
14
C
72 76Right-handed 310
Helix 15
15
D
5 25Right-handed alpha
Helix 16
16
D
26 29Right-handed 310
Helix 17
17
D
30 47Right-handed alpha
Helix 18
18
D
49 67Right-handed alpha
Helix 19
19
E
58 74Right-handed alpha
Helix 20
20
E
81 104Right-handed alpha
Helix 21
21
E
105 117Right-handed alpha
Helix 22
22
E
139 146Right-handed alpha
Helix 23
23
E
173 177Right-handed 310
Helix 24
24
E
181 185Right-handed 310
Helix 25
25
F
57 74Right-handed alpha
Helix 26
26
F
84 104Right-handed alpha
Helix 27
27
F
105 117Right-handed alpha
Helix 28
28
F
139 146Right-handed alpha
Helix 29
29
F
173 177Right-handed 310
Helix 30
30
F
181 185Right-handed 310
Helix 31
31
G
7 11Right-handed 310
Helix 32
32
G
14 33Right-handed alpha
Helix 33
33
G
36 104Right-handed alpha
Helix 34
34
G
105 117Right-handed alpha
Helix 35
35
G
139 146Right-handed alpha
Helix 36
36
G
181 185Right-handed 310
Helix 37
37
H
14 33Right-handed alpha
Helix 38
38
H
36 104Right-handed alpha
Helix 39
39
H
105 117Right-handed alpha
Helix 40
40
H
139 146Right-handed alpha
Helix 41
41
H
173 177Right-handed 310
Helix 42
42
H
178 182Right-handed 310
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There are 4 sheets in PDB entry 2AHM. Click on sheet of interest to get list of strands forming it: A, B, C, D,

There are 6 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
120 121first strand
Strand 2
E
132 137anti-parallel
Strand 3
E
189 195anti-parallel
Strand 4
E
157 165anti-parallel
Strand 5
E
151 154anti-parallel
Strand 6
E
147 148anti-parallel
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There are 5 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
132 137first strand
Strand 2
F
189 196anti-parallel
Strand 3
F
157 165anti-parallel
Strand 4
F
151 154anti-parallel
Strand 5
F
147 148anti-parallel
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There are 6 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
120 121first strand
Strand 2
G
132 137anti-parallel
Strand 3
G
189 195anti-parallel
Strand 4
G
158 165anti-parallel
Strand 5
G
151 153anti-parallel
Strand 6
G
147 148anti-parallel
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There are 6 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
120 121first strand
Strand 2
H
132 137anti-parallel
Strand 3
H
189 195anti-parallel
Strand 4
H
157 165anti-parallel
Strand 5
H
151 154anti-parallel
Strand 6
H
147 148anti-parallel
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