Analysis of interatomic Contacts of Structural Units in PDB entry:
1I2M


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 1I2M entry

There are 4 chains in PDB entry 1I2M (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
GLN 8VAL 177
B
LYS 24ASP 417
C
GLN 8VAL 177
D
LYS 24GLU 419
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 27 helices in PDB entry 1I2M. Click on helix of interest for CSU analysis.
Helix
number
Helix
ID
Chain
ID
Initial
residue
Terminal
residue
Helix class
Helix 1
1
A
22 29Right-handed alpha
Helix 2
2
A
68 73Right-handed alpha
Helix 3
3
A
75 80Right-handed 310
Helix 4
4
A
94 99Right-handed 310
Helix 5
5
A
100 113Right-handed alpha
Helix 6
6
A
135 140Right-handed alpha
Helix 7
7
A
158 170Right-handed alpha
Helix 8
8
B
107 111Right-handed 310
Helix 9
9
B
208 212Right-handed 310
Helix 10
10
B
215 219Right-handed 310
Helix 11
11
B
220 225Right-handed alpha
Helix 12
12
B
287 290Right-handed 310
Helix 13
13
B
321 325Right-handed 310
Helix 14
14
B
393 397Right-handed 310
Helix 15
15
C
22 29Right-handed alpha
Helix 16
16
C
68 73Right-handed alpha
Helix 17
17
C
77 82Right-handed alpha
Helix 18
18
C
94 99Right-handed 310
Helix 19
19
C
100 112Right-handed alpha
Helix 20
20
C
135 141Right-handed alpha
Helix 21
21
C
151 154Right-handed 310
Helix 22
22
C
158 170Right-handed alpha
Helix 23
23
D
107 111Right-handed 310
Helix 24
24
D
220 225Right-handed alpha
Helix 25
25
D
287 290Right-handed 310
Helix 26
26
D
321 325Right-handed 310
Helix 27
27
D
393 397Right-handed 310
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There are 18 sheets in PDB entry 1I2M. 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,

There are 7 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
39 42first strand
Strand 2
A
45 52anti-parallel
Strand 3
A
59 65anti-parallel
Strand 4
A
9 17parallel
Strand 5
A
85 91parallel
Strand 6
A
117 122parallel
Strand 7
A
145 149parallel
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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
B
56 63first strand
Strand 2
B
36 42anti-parallel
Strand 3
B
410 416anti-parallel
Strand 4
B
400 406anti-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
B
69 74first strand
Strand 2
B
78 83anti-parallel
Strand 3
B
88 92anti-parallel
Strand 4
B
113 114anti-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
B
121 126first strand
Strand 2
B
130 135anti-parallel
Strand 3
B
140 144anti-parallel
Strand 4
B
162 168anti-parallel
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There are 2 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
146 148first strand
Strand 2
B
151 154anti-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
174 179first strand
Strand 2
B
183 188anti-parallel
Strand 3
B
193 197anti-parallel
Strand 4
B
227 228anti-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
242 247first strand
Strand 2
B
251 256anti-parallel
Strand 3
B
261 266anti-parallel
Strand 4
B
279 285anti-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
B
296 301first strand
Strand 2
B
305 310anti-parallel
Strand 3
B
315 319anti-parallel
Strand 4
B
335 340anti-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
B
347 352first strand
Strand 2
B
356 361anti-parallel
Strand 3
B
366 370anti-parallel
Strand 4
B
385 390anti-parallel
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There are 6 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
48 52first strand
Strand 2
C
59 65anti-parallel
Strand 3
C
9 17parallel
Strand 4
C
85 91parallel
Strand 5
C
117 122parallel
Strand 6
C
145 149parallel
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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
D
56 62first strand
Strand 2
D
36 42anti-parallel
Strand 3
D
410 417anti-parallel
Strand 4
D
399 406anti-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
69 74first strand
Strand 2
D
78 83anti-parallel
Strand 3
D
88 92anti-parallel
Strand 4
D
113 114anti-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
121 126first strand
Strand 2
D
130 135anti-parallel
Strand 3
D
140 144anti-parallel
Strand 4
D
162 167anti-parallel
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There are 2 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
146 148first strand
Strand 2
D
151 154anti-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
174 179first strand
Strand 2
D
183 188anti-parallel
Strand 3
D
193 197anti-parallel
Strand 4
D
227 228anti-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
242 247first strand
Strand 2
D
251 256anti-parallel
Strand 3
D
261 265anti-parallel
Strand 4
D
280 285anti-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
D
296 301first strand
Strand 2
D
305 310anti-parallel
Strand 3
D
315 319anti-parallel
Strand 4
D
335 340anti-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
D
347 352first strand
Strand 2
D
356 361anti-parallel
Strand 3
D
366 370anti-parallel
Strand 4
D
385 390anti-parallel
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