Analysis of interatomic Contacts of Structural Units in PDB entry:
1I3R


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 1I3R entry

There are 8 chains in PDB entry 1I3R (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
ILE 1GLU 182
B
GLY 1ALA 216
C
ILE 1GLU 182
D
GLY 1ALA 216
E
ILE 1GLU 182
F
GLY 1ALA 216
G
ILE 1GLU 182
H
GLY 1ALA 216
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 25 helices in PDB entry 1I3R. 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 310
Helix 2
2
A
55 77Right-handed alpha
Helix 3
3
B
45 48Right-handed 310
Helix 4
4
B
77 79Right-handed 310
Helix 5
5
B
80 89Right-handed alpha
Helix 6
6
B
90 104Right-handed alpha
Helix 7
7
B
104 113Right-handed alpha
Helix 8
8
C
45 52Right-handed 310
Helix 9
9
C
55 77Right-handed alpha
Helix 10
10
D
77 79Right-handed 310
Helix 11
11
D
80 89Right-handed alpha
Helix 12
12
D
90 104Right-handed alpha
Helix 13
13
D
104 113Right-handed alpha
Helix 14
14
E
45 51Right-handed 310
Helix 15
15
E
55 77Right-handed alpha
Helix 16
16
F
77 79Right-handed 310
Helix 17
17
F
80 89Right-handed alpha
Helix 18
18
F
90 104Right-handed alpha
Helix 19
19
F
104 113Right-handed alpha
Helix 20
20
G
45 50Right-handed 310
Helix 21
21
G
55 77Right-handed alpha
Helix 22
22
H
77 79Right-handed 310
Helix 23
23
H
80 88Right-handed alpha
Helix 24
24
H
90 104Right-handed alpha
Helix 25
25
H
104 113Right-handed alpha
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There are 29 sheets in PDB entry 1I3R. 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,

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
29 35anti-parallel
Strand 3
A
19 26anti-parallel
Strand 4
A
5 15anti-parallel
Strand 5
B
33 44anti-parallel
Strand 6
B
49 58anti-parallel
Strand 7
B
61 67anti-parallel
Strand 8
B
73 75anti-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
88 93first strand
Strand 2
A
103 112anti-parallel
Strand 3
A
145 153anti-parallel
Strand 4
A
132 134anti-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
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 D 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
160 166anti-parallel
Strand 4
A
174 179anti-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
124 129first strand
Strand 2
B
140 148anti-parallel
Strand 3
B
181 188anti-parallel
Strand 4
B
168 170anti-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
124 129first strand
Strand 2
B
140 148anti-parallel
Strand 3
B
181 188anti-parallel
Strand 4
B
174 175anti-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
162 164first strand
Strand 2
B
154 159anti-parallel
Strand 3
B
196 202anti-parallel
Strand 4
B
210 215anti-parallel
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There are 8 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
41 43first strand
Strand 2
C
29 34anti-parallel
Strand 3
C
19 26anti-parallel
Strand 4
C
4 15anti-parallel
Strand 5
D
33 44anti-parallel
Strand 6
D
49 58anti-parallel
Strand 7
D
61 67anti-parallel
Strand 8
D
73 75anti-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
C
88 93first strand
Strand 2
C
103 112anti-parallel
Strand 3
C
145 153anti-parallel
Strand 4
C
132 134anti-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
88 93first strand
Strand 2
C
103 112anti-parallel
Strand 3
C
145 153anti-parallel
Strand 4
C
138 139anti-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
C
126 127first strand
Strand 2
C
118 123anti-parallel
Strand 3
C
160 166anti-parallel
Strand 4
C
174 179anti-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
D
124 130first strand
Strand 2
D
140 148anti-parallel
Strand 3
D
181 188anti-parallel
Strand 4
D
168 170anti-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
124 130first strand
Strand 2
D
140 148anti-parallel
Strand 3
D
181 188anti-parallel
Strand 4
D
174 175anti-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
D
162 164first strand
Strand 2
D
154 159anti-parallel
Strand 3
D
196 202anti-parallel
Strand 4
D
210 215anti-parallel
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There are 8 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
E
40 43first strand
Strand 2
E
29 35anti-parallel
Strand 3
E
19 26anti-parallel
Strand 4
E
5 15anti-parallel
Strand 5
F
33 44anti-parallel
Strand 6
F
49 58anti-parallel
Strand 7
F
61 67anti-parallel
Strand 8
F
73 75anti-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
E
88 93first strand
Strand 2
E
103 112anti-parallel
Strand 3
E
145 153anti-parallel
Strand 4
E
132 134anti-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
E
88 93first strand
Strand 2
E
103 112anti-parallel
Strand 3
E
145 153anti-parallel
Strand 4
E
138 139anti-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
E
126 128first strand
Strand 2
E
118 123anti-parallel
Strand 3
E
161 166anti-parallel
Strand 4
E
174 178anti-parallel
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There are 4 strands in S sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
F
124 130first strand
Strand 2
F
140 148anti-parallel
Strand 3
F
181 188anti-parallel
Strand 4
F
168 170anti-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
F
124 130first strand
Strand 2
F
140 148anti-parallel
Strand 3
F
181 188anti-parallel
Strand 4
F
174 175anti-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
F
162 163first strand
Strand 2
F
154 159anti-parallel
Strand 3
F
196 202anti-parallel
Strand 4
F
210 215anti-parallel
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There are 8 strands in V sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
G
41 43first strand
Strand 2
G
29 35anti-parallel
Strand 3
G
19 26anti-parallel
Strand 4
G
5 15anti-parallel
Strand 5
H
33 44anti-parallel
Strand 6
H
49 58anti-parallel
Strand 7
H
61 67anti-parallel
Strand 8
H
73 75anti-parallel
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There are 2 strands in W sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
G
52 53first strand
Strand 2
H
3 4parallel
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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
G
88 93first strand
Strand 2
G
103 112anti-parallel
Strand 3
G
145 153anti-parallel
Strand 4
G
132 134anti-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
G
88 93first strand
Strand 2
G
103 112anti-parallel
Strand 3
G
145 153anti-parallel
Strand 4
G
138 139anti-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
G
126 128first strand
Strand 2
G
118 123anti-parallel
Strand 3
G
161 166anti-parallel
Strand 4
G
174 178anti-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
H
124 130first strand
Strand 2
H
139 148anti-parallel
Strand 3
H
181 189anti-parallel
Strand 4
H
168 170anti-parallel
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There are 4 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
H
124 130first strand
Strand 2
H
139 148anti-parallel
Strand 3
H
181 189anti-parallel
Strand 4
H
174 175anti-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
H
162 164first strand
Strand 2
H
154 159anti-parallel
Strand 3
H
196 202anti-parallel
Strand 4
H
210 215anti-parallel
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