Analysis of interatomic Contacts of Structural Units in PDB entry:
1IM3


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 1IM3 entry

There are 16 chains in PDB entry 1IM3 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLY 1GLU 275
B
 MET 0MET 99
C
 LEU 1VAL 9
D
 PRO 43LEU 137
E
 GLY 1GLU 275
F
 MET 0MET 99
G
 LEU 1VAL 9
H
 PRO 43LEU 137
I
 GLY 1GLU 275
J
 MET 0MET 99
K
 LEU 1VAL 9
L
 PRO 43LEU 137
M
 GLY 1GLU 275
N
 MET 0MET 99
O
 LEU 1VAL 9
P
 PRO 43LEU 137
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 32 helices in PDB entry 1IM3. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
49 53Right-handed 310
Helix 2
2
A
56 85Right-handed alpha
Helix 3
3
A
137 150Right-handed alpha
Helix 4
4
A
151 162Right-handed alpha
Helix 5
5
A
162 175Right-handed alpha
Helix 6
6
A
175 180Right-handed alpha
Helix 7
7
A
253 255Right-handed 310
Helix 8
8
D
90 92Right-handed 310
Helix 9
9
E
49 53Right-handed 310
Helix 10
10
E
56 85Right-handed alpha
Helix 11
11
E
137 150Right-handed alpha
Helix 12
12
E
151 162Right-handed alpha
Helix 13
13
E
162 175Right-handed alpha
Helix 14
14
E
175 180Right-handed alpha
Helix 15
15
E
253 255Right-handed 310
Helix 16
16
H
90 92Right-handed 310
Helix 17
17
I
49 53Right-handed 310
Helix 18
18
I
56 85Right-handed alpha
Helix 19
19
I
137 150Right-handed alpha
Helix 20
20
I
151 162Right-handed alpha
Helix 21
21
I
162 175Right-handed alpha
Helix 22
22
I
175 180Right-handed alpha
Helix 23
23
I
253 255Right-handed 310
Helix 24
24
L
90 92Right-handed 310
Helix 25
25
M
49 53Right-handed 310
Helix 26
26
M
56 85Right-handed alpha
Helix 27
27
M
137 150Right-handed alpha
Helix 28
28
M
151 162Right-handed alpha
Helix 29
29
M
162 175Right-handed alpha
Helix 30
30
M
175 180Right-handed alpha
Helix 31
31
M
253 255Right-handed 310
Helix 32
32
P
90 92Right-handed 310
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There are 36 sheets in PDB entry 1IM3. 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, Q, R, S, T, U, V, W, X, Y, Z, AA, AB, AC, AD, AE, AF, AG, AH, AI, AJ,

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
46 47first strand
Strand 2
A
31 37anti-parallel
Strand 3
A
21 28anti-parallel
Strand 4
A
3 12anti-parallel
Strand 5
A
94 103anti-parallel
Strand 6
A
109 118anti-parallel
Strand 7
A
121 126anti-parallel
Strand 8
A
133 135anti-parallel
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There are 4 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
186 193first strand
Strand 2
A
198 208anti-parallel
Strand 3
A
241 250anti-parallel
Strand 4
A
228 230anti-parallel
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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
186 193first strand
Strand 2
A
198 208anti-parallel
Strand 3
A
241 250anti-parallel
Strand 4
A
234 235anti-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
222 224first strand
Strand 2
A
214 219anti-parallel
Strand 3
A
257 262anti-parallel
Strand 4
A
270 273anti-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
B
6 11first strand
Strand 2
B
21 30anti-parallel
Strand 3
B
62 70anti-parallel
Strand 4
B
50 51anti-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
6 11first strand
Strand 2
B
21 30anti-parallel
Strand 3
B
62 70anti-parallel
Strand 4
B
55 56anti-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
44 45first strand
Strand 2
B
36 41anti-parallel
Strand 3
B
78 83anti-parallel
Strand 4
B
91 94anti-parallel
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There are 4 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
45 54first strand
Strand 2
D
58 67anti-parallel
Strand 3
D
101 110anti-parallel
Strand 4
D
94 97anti-parallel
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There are 4 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
84 86first strand
Strand 2
D
72 79anti-parallel
Strand 3
D
117 124anti-parallel
Strand 4
D
127 133anti-parallel
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There are 8 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
46 47first strand
Strand 2
E
31 37anti-parallel
Strand 3
E
21 28anti-parallel
Strand 4
E
3 12anti-parallel
Strand 5
E
94 103anti-parallel
Strand 6
E
109 118anti-parallel
Strand 7
E
121 126anti-parallel
Strand 8
E
133 135anti-parallel
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There are 4 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
186 193first strand
Strand 2
E
198 208anti-parallel
Strand 3
E
241 250anti-parallel
Strand 4
E
228 230anti-parallel
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There are 4 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
186 193first strand
Strand 2
E
198 208anti-parallel
Strand 3
E
241 250anti-parallel
Strand 4
E
234 235anti-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
E
222 224first strand
Strand 2
E
214 219anti-parallel
Strand 3
E
257 262anti-parallel
Strand 4
E
270 273anti-parallel
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There are 4 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
6 11first strand
Strand 2
F
21 30anti-parallel
Strand 3
F
62 70anti-parallel
Strand 4
F
50 51anti-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
F
6 11first strand
Strand 2
F
21 30anti-parallel
Strand 3
F
62 70anti-parallel
Strand 4
F
55 56anti-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
F
44 45first strand
Strand 2
F
36 41anti-parallel
Strand 3
F
78 83anti-parallel
Strand 4
F
91 94anti-parallel
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There are 4 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
45 54first strand
Strand 2
H
58 67anti-parallel
Strand 3
H
101 110anti-parallel
Strand 4
H
94 97anti-parallel
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There are 4 strands in R sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
84 86first strand
Strand 2
H
72 79anti-parallel
Strand 3
H
117 124anti-parallel
Strand 4
H
127 133anti-parallel
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There are 8 strands in S sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
I
46 47first strand
Strand 2
I
31 37anti-parallel
Strand 3
I
21 28anti-parallel
Strand 4
I
3 12anti-parallel
Strand 5
I
94 103anti-parallel
Strand 6
I
109 118anti-parallel
Strand 7
I
121 126anti-parallel
Strand 8
I
133 135anti-parallel
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There are 4 strands in T sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
I
186 193first strand
Strand 2
I
198 208anti-parallel
Strand 3
I
241 250anti-parallel
Strand 4
I
228 230anti-parallel
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There are 4 strands in U sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
I
186 193first strand
Strand 2
I
198 208anti-parallel
Strand 3
I
241 250anti-parallel
Strand 4
I
234 235anti-parallel
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There are 4 strands in V sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
I
222 224first strand
Strand 2
I
214 219anti-parallel
Strand 3
I
257 262anti-parallel
Strand 4
I
270 273anti-parallel
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There are 4 strands in W sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
J
6 11first strand
Strand 2
J
21 30anti-parallel
Strand 3
J
62 70anti-parallel
Strand 4
J
50 51anti-parallel
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There are 4 strands in X sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
J
6 11first strand
Strand 2
J
21 30anti-parallel
Strand 3
J
62 70anti-parallel
Strand 4
J
55 56anti-parallel
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There are 4 strands in Y sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
J
44 45first strand
Strand 2
J
36 41anti-parallel
Strand 3
J
78 83anti-parallel
Strand 4
J
91 94anti-parallel
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There are 4 strands in Z sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
45 54first strand
Strand 2
L
58 67anti-parallel
Strand 3
L
101 110anti-parallel
Strand 4
L
94 97anti-parallel
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There are 4 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
84 86first strand
Strand 2
L
72 79anti-parallel
Strand 3
L
117 124anti-parallel
Strand 4
L
127 133anti-parallel
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There are 8 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
M
46 47first strand
Strand 2
M
31 37anti-parallel
Strand 3
M
21 28anti-parallel
Strand 4
M
3 12anti-parallel
Strand 5
M
94 103anti-parallel
Strand 6
M
109 118anti-parallel
Strand 7
M
121 126anti-parallel
Strand 8
M
133 135anti-parallel
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There are 4 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
M
186 193first strand
Strand 2
M
198 208anti-parallel
Strand 3
M
241 250anti-parallel
Strand 4
M
228 230anti-parallel
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There are 4 strands in AD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
M
186 193first strand
Strand 2
M
198 208anti-parallel
Strand 3
M
241 250anti-parallel
Strand 4
M
234 235anti-parallel
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There are 4 strands in AE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
M
222 224first strand
Strand 2
M
214 219anti-parallel
Strand 3
M
257 262anti-parallel
Strand 4
M
270 273anti-parallel
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There are 4 strands in AF sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
N
6 11first strand
Strand 2
N
21 30anti-parallel
Strand 3
N
62 70anti-parallel
Strand 4
N
50 51anti-parallel
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There are 4 strands in AG sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
N
6 11first strand
Strand 2
N
21 30anti-parallel
Strand 3
N
62 70anti-parallel
Strand 4
N
55 56anti-parallel
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There are 4 strands in AH sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
N
44 45first strand
Strand 2
N
36 41anti-parallel
Strand 3
N
78 83anti-parallel
Strand 4
N
91 94anti-parallel
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There are 4 strands in AI sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
P
45 54first strand
Strand 2
P
58 67anti-parallel
Strand 3
P
101 110anti-parallel
Strand 4
P
94 97anti-parallel
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There are 4 strands in AJ sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
P
84 86first strand
Strand 2
P
72 79anti-parallel
Strand 3
P
117 124anti-parallel
Strand 4
P
127 133anti-parallel
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