Analysis of interatomic Contacts of Structural Units in PDB entry:
1T2A


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 1T2A entry

There are 4 chains in PDB entry 1T2A (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ARG 23ASN 369
B
 ARG 23ASN 369
C
 ARG 23ASN 369
D
 ARG 23THR 368
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 60 helices in PDB entry 1T2A. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
33 46Right-handed alpha
Helix 2
2
A
65 69Right-handed 310
Helix 3
3
A
89 101Right-handed alpha
Helix 4
4
A
113 120Right-handed alpha
Helix 5
5
A
120 129Right-handed alpha
Helix 6
6
A
129 142Right-handed alpha
Helix 7
7
A
157 159Right-handed 310
Helix 8
8
A
177 198Right-handed alpha
Helix 9
9
A
218 232Right-handed alpha
Helix 10
10
A
252 265Right-handed alpha
Helix 11
11
A
281 292Right-handed alpha
Helix 12
12
A
301 304Right-handed 310
Helix 13
13
A
321 324Right-handed 310
Helix 14
14
A
336 344Right-handed alpha
Helix 15
15
A
350 369Right-handed alpha
Helix 16
16
B
33 46Right-handed alpha
Helix 17
17
B
65 69Right-handed 310
Helix 18
18
B
89 101Right-handed alpha
Helix 19
19
B
113 120Right-handed alpha
Helix 20
20
B
120 129Right-handed alpha
Helix 21
21
B
129 142Right-handed alpha
Helix 22
22
B
157 160Right-handed 310
Helix 23
23
B
177 198Right-handed alpha
Helix 24
24
B
218 232Right-handed alpha
Helix 25
25
B
252 265Right-handed alpha
Helix 26
26
B
281 291Right-handed alpha
Helix 27
27
B
301 304Right-handed 310
Helix 28
28
B
321 324Right-handed 310
Helix 29
29
B
336 344Right-handed alpha
Helix 30
30
B
350 368Right-handed alpha
Helix 31
31
C
33 46Right-handed alpha
Helix 32
32
C
65 69Right-handed 310
Helix 33
33
C
89 101Right-handed alpha
Helix 34
34
C
113 120Right-handed alpha
Helix 35
35
C
120 129Right-handed alpha
Helix 36
36
C
129 142Right-handed alpha
Helix 37
37
C
157 160Right-handed 310
Helix 38
38
C
177 198Right-handed alpha
Helix 39
39
C
218 232Right-handed alpha
Helix 40
40
C
252 265Right-handed alpha
Helix 41
41
C
281 291Right-handed alpha
Helix 42
42
C
301 304Right-handed 310
Helix 43
43
C
321 324Right-handed 310
Helix 44
44
C
336 344Right-handed alpha
Helix 45
45
C
350 368Right-handed alpha
Helix 46
46
D
33 46Right-handed alpha
Helix 47
47
D
65 69Right-handed 310
Helix 48
48
D
89 101Right-handed alpha
Helix 49
49
D
113 120Right-handed alpha
Helix 50
50
D
120 129Right-handed alpha
Helix 51
51
D
129 142Right-handed alpha
Helix 52
52
D
157 160Right-handed 310
Helix 53
53
D
177 198Right-handed alpha
Helix 54
54
D
218 232Right-handed alpha
Helix 55
55
D
252 265Right-handed alpha
Helix 56
56
D
281 291Right-handed alpha
Helix 57
57
D
301 304Right-handed 310
Helix 58
58
D
321 324Right-handed 310
Helix 59
59
D
336 344Right-handed alpha
Helix 60
60
D
350 368Right-handed alpha
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There are 16 sheets in PDB entry 1T2A. 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 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
80 84first strand
Strand 2
A
49 54parallel
Strand 3
A
25 29parallel
Strand 4
A
104 107parallel
Strand 5
A
149 155parallel
Strand 6
A
200 206parallel
Strand 7
A
271 273parallel
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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
209 210first strand
Strand 2
A
250 251parallel
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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
238 240first strand
Strand 2
A
315 319parallel
Strand 3
A
306 309anti-parallel
Strand 4
A
296 299anti-parallel
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There are 2 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
246 247first strand
Strand 2
A
279 280anti-parallel
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There are 7 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
80 84first strand
Strand 2
B
49 54parallel
Strand 3
B
25 29parallel
Strand 4
B
104 107parallel
Strand 5
B
149 155parallel
Strand 6
B
200 206parallel
Strand 7
B
271 273parallel
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There are 2 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
209 210first strand
Strand 2
B
250 251parallel
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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
238 240first strand
Strand 2
B
315 319parallel
Strand 3
B
306 309anti-parallel
Strand 4
B
296 299anti-parallel
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There are 2 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
246 247first strand
Strand 2
B
279 280anti-parallel
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There are 7 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
80 84first strand
Strand 2
C
49 54parallel
Strand 3
C
25 29parallel
Strand 4
C
104 107parallel
Strand 5
C
149 155parallel
Strand 6
C
200 206parallel
Strand 7
C
271 273parallel
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There are 2 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
209 210first strand
Strand 2
C
250 251parallel
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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
238 240first strand
Strand 2
C
315 319parallel
Strand 3
C
306 309anti-parallel
Strand 4
C
296 299anti-parallel
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There are 2 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
246 248first strand
Strand 2
C
278 280anti-parallel
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There are 7 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
80 84first strand
Strand 2
D
49 54parallel
Strand 3
D
25 29parallel
Strand 4
D
104 107parallel
Strand 5
D
149 155parallel
Strand 6
D
200 206parallel
Strand 7
D
271 273parallel
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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
209 210first strand
Strand 2
D
250 251parallel
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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
238 240first strand
Strand 2
D
315 319parallel
Strand 3
D
306 309anti-parallel
Strand 4
D
296 299anti-parallel
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There are 2 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
246 247first strand
Strand 2
D
279 280anti-parallel
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