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


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 2IAM entry

There are 5 chains in PDB entry 2IAM (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLU 3ASP 181
B
 GLY 1ALA 190
P
 GLY 23ASP 37
C
 ILE 1SER 198
D
 ALA 2ASP 240
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 13 helices in PDB entry 2IAM. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
45 51Right-handed alpha
Helix 2
2
A
56 77Right-handed alpha
Helix 3
3
B
54 62Right-handed alpha
Helix 4
4
B
64 72Right-handed alpha
Helix 5
5
B
73 78Right-handed alpha
Helix 6
6
B
78 87Right-handed alpha
Helix 7
7
C
64 66Right-handed 310
Helix 8
8
C
77 81Right-handed 310
Helix 9
9
C
161 164Right-handed 310
Helix 10
10
D
82 86Right-handed 310
Helix 11
11
D
112 116Right-handed 310
Helix 12
12
D
127 135Right-handed alpha
Helix 13
13
D
194 199Right-handed alpha
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There are 16 sheets in PDB entry 2IAM. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P,

There are 8 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
40 43first strand
Strand 2
A
30 35anti-parallel
Strand 3
A
19 26anti-parallel
Strand 4
A
5 14anti-parallel
Strand 5
B
8 18anti-parallel
Strand 6
B
23 32anti-parallel
Strand 7
B
35 41anti-parallel
Strand 8
B
47 49anti-parallel
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There are 2 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
52 53first strand
Strand 2
P
24 25parallel
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There are 4 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
88 93first strand
Strand 2
A
103 112anti-parallel
Strand 3
A
145 153anti-parallel
Strand 4
A
133 134anti-parallel
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There are 4 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
88 93first strand
Strand 2
A
103 112anti-parallel
Strand 3
A
145 153anti-parallel
Strand 4
A
138 139anti-parallel
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There are 4 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
126 127first strand
Strand 2
A
118 123anti-parallel
Strand 3
A
161 166anti-parallel
Strand 4
A
174 178anti-parallel
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There are 4 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
98 103first strand
Strand 2
B
114 122anti-parallel
Strand 3
B
155 162anti-parallel
Strand 4
B
142 149anti-parallel
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There are 4 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
136 137first strand
Strand 2
B
128 133anti-parallel
Strand 3
B
170 176anti-parallel
Strand 4
B
184 189anti-parallel
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There are 5 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
3 5first strand
Strand 2
C
18 24anti-parallel
Strand 3
C
68 73anti-parallel
Strand 4
C
58 62anti-parallel
Strand 5
C
51 55anti-parallel
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There are 5 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
9 13first strand
Strand 2
C
102 107parallel
Strand 3
C
82 90anti-parallel
Strand 4
C
28 36anti-parallel
Strand 5
C
42 47anti-parallel
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There are 4 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
9 13first strand
Strand 2
C
102 107parallel
Strand 3
C
82 90anti-parallel
Strand 4
C
96 98anti-parallel
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There are 8 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
151 152first strand
Strand 2
C
165 173anti-parallel
Strand 3
C
129 134anti-parallel
Strand 4
C
116 122anti-parallel
Strand 5
D
120 125anti-parallel
Strand 6
D
136 146anti-parallel
Strand 7
D
184 193anti-parallel
Strand 8
D
166 168anti-parallel
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There are 8 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
156 160first strand
Strand 2
C
165 173anti-parallel
Strand 3
C
129 134anti-parallel
Strand 4
C
116 122anti-parallel
Strand 5
D
120 125anti-parallel
Strand 6
D
136 146anti-parallel
Strand 7
D
184 193anti-parallel
Strand 8
D
173 174anti-parallel
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There are 4 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
4 7first strand
Strand 2
D
19 25anti-parallel
Strand 3
D
76 78anti-parallel
Strand 4
D
64 66anti-parallel
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There are 6 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
10 14first strand
Strand 2
D
105 110parallel
Strand 3
D
87 94anti-parallel
Strand 4
D
31 37anti-parallel
Strand 5
D
43 51anti-parallel
Strand 6
D
54 57anti-parallel
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There are 4 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
10 14first strand
Strand 2
D
105 110parallel
Strand 3
D
87 94anti-parallel
Strand 4
D
100 101anti-parallel
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There are 4 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
160 161first strand
Strand 2
D
151 157anti-parallel
Strand 3
D
203 210anti-parallel
Strand 4
D
229 236anti-parallel
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