Analysis of interatomic Contacts of Structural Units in PDB entry:
2B4T


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 2B4T entry

There are 4 chains in PDB entry 2B4T (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
O
 THR 4THR 336
P
 THR 4THR 336
Q
 THR 4THR 336
R
 THR 4THR 336
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 59 helices in PDB entry 2B4T. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
O
12 24Right-handed alpha
Helix 2
2
O
39 49Right-handed alpha
Helix 3
3
O
81 85Right-handed 310
Helix 4
4
O
87 91Right-handed 310
Helix 5
5
O
104 109Right-handed alpha
Helix 6
6
O
109 114Right-handed alpha
Helix 7
7
O
137 141Right-handed 310
Helix 8
8
O
152 169Right-handed alpha
Helix 9
9
O
193 197Right-handed 310
Helix 10
10
O
198 203Right-handed 310
Helix 11
11
O
219 224Right-handed alpha
Helix 12
12
O
225 228Right-handed 310
Helix 13
13
O
257 271Right-handed alpha
Helix 14
14
O
285 290Right-handed 310
Helix 15
15
O
301 303Right-handed 310
Helix 16
16
O
320 336Right-handed alpha
Helix 17
17
P
12 25Right-handed alpha
Helix 18
18
P
39 49Right-handed alpha
Helix 19
19
P
81 85Right-handed 310
Helix 20
20
P
87 91Right-handed 310
Helix 21
21
P
104 109Right-handed alpha
Helix 22
22
P
109 114Right-handed alpha
Helix 23
23
P
137 141Right-handed 310
Helix 24
24
P
152 169Right-handed alpha
Helix 25
25
P
193 197Right-handed 310
Helix 26
26
P
198 203Right-handed 310
Helix 27
27
P
215 224Right-handed alpha
Helix 28
28
P
225 228Right-handed 310
Helix 29
29
P
257 271Right-handed alpha
Helix 30
30
P
285 290Right-handed 310
Helix 31
31
P
320 336Right-handed alpha
Helix 32
32
Q
12 25Right-handed alpha
Helix 33
33
Q
39 49Right-handed alpha
Helix 34
34
Q
104 109Right-handed alpha
Helix 35
35
Q
109 114Right-handed alpha
Helix 36
36
Q
137 141Right-handed 310
Helix 37
37
Q
152 169Right-handed alpha
Helix 38
38
Q
193 197Right-handed 310
Helix 39
39
Q
198 203Right-handed 310
Helix 40
40
Q
215 224Right-handed alpha
Helix 41
41
Q
225 228Right-handed 310
Helix 42
42
Q
257 270Right-handed alpha
Helix 43
43
Q
285 290Right-handed 310
Helix 44
44
Q
320 336Right-handed alpha
Helix 45
45
R
12 24Right-handed alpha
Helix 46
46
R
39 49Right-handed alpha
Helix 47
47
R
81 85Right-handed 310
Helix 48
48
R
86 91Right-handed 310
Helix 49
49
R
104 109Right-handed alpha
Helix 50
50
R
109 115Right-handed alpha
Helix 51
51
R
137 141Right-handed 310
Helix 52
52
R
152 170Right-handed alpha
Helix 53
53
R
193 197Right-handed 310
Helix 54
54
R
198 203Right-handed 310
Helix 55
55
R
215 224Right-handed alpha
Helix 56
56
R
225 228Right-handed 310
Helix 57
57
R
257 271Right-handed alpha
Helix 58
58
R
285 290Right-handed 310
Helix 59
59
R
320 336Right-handed alpha
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There are 12 sheets in PDB entry 2B4T. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L,

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
O
60 63first strand
Strand 2
O
66 69anti-parallel
Strand 3
O
73 77anti-parallel
Strand 4
O
29 34parallel
Strand 5
O
5 9parallel
Strand 6
O
94 97parallel
Strand 7
O
118 121parallel
Strand 8
O
147 149parallel
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There are 7 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
O
210 213first strand
Strand 2
O
231 237anti-parallel
Strand 3
O
171 180parallel
Strand 4
O
244 252anti-parallel
Strand 5
O
310 317anti-parallel
Strand 6
O
296 299anti-parallel
Strand 7
O
277 280parallel
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There are 6 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
O
210 213first strand
Strand 2
O
231 237anti-parallel
Strand 3
O
171 180parallel
Strand 4
O
244 252anti-parallel
Strand 5
O
310 317anti-parallel
Strand 6
O
304 307anti-parallel
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There are 8 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
P
61 63first strand
Strand 2
P
66 68anti-parallel
Strand 3
P
73 77anti-parallel
Strand 4
P
29 34parallel
Strand 5
P
5 9parallel
Strand 6
P
94 97parallel
Strand 7
P
118 121parallel
Strand 8
P
147 149parallel
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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
P
210 213first strand
Strand 2
P
231 237anti-parallel
Strand 3
P
171 180parallel
Strand 4
P
244 252anti-parallel
Strand 5
P
310 317anti-parallel
Strand 6
P
296 299anti-parallel
Strand 7
P
277 280parallel
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There are 6 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
P
210 213first strand
Strand 2
P
231 237anti-parallel
Strand 3
P
171 180parallel
Strand 4
P
244 252anti-parallel
Strand 5
P
310 317anti-parallel
Strand 6
P
304 307anti-parallel
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There are 8 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
Q
60 63first strand
Strand 2
Q
66 69anti-parallel
Strand 3
Q
72 77anti-parallel
Strand 4
Q
29 34parallel
Strand 5
Q
5 9parallel
Strand 6
Q
94 97parallel
Strand 7
Q
118 121parallel
Strand 8
Q
147 149parallel
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There are 7 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
Q
210 213first strand
Strand 2
Q
231 237anti-parallel
Strand 3
Q
171 180parallel
Strand 4
Q
244 252anti-parallel
Strand 5
Q
310 317anti-parallel
Strand 6
Q
296 299anti-parallel
Strand 7
Q
277 280parallel
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There are 6 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
Q
210 213first strand
Strand 2
Q
231 237anti-parallel
Strand 3
Q
171 180parallel
Strand 4
Q
244 252anti-parallel
Strand 5
Q
310 317anti-parallel
Strand 6
Q
304 307anti-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
R
60 63first strand
Strand 2
R
66 69anti-parallel
Strand 3
R
72 77anti-parallel
Strand 4
R
29 34parallel
Strand 5
R
5 9parallel
Strand 6
R
94 97parallel
Strand 7
R
118 121parallel
Strand 8
R
147 149parallel
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There are 7 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
R
210 213first strand
Strand 2
R
231 237anti-parallel
Strand 3
R
171 180parallel
Strand 4
R
244 252anti-parallel
Strand 5
R
310 317anti-parallel
Strand 6
R
296 299anti-parallel
Strand 7
R
277 280parallel
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There are 6 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
R
210 213first strand
Strand 2
R
231 237anti-parallel
Strand 3
R
171 180parallel
Strand 4
R
244 252anti-parallel
Strand 5
R
310 317anti-parallel
Strand 6
R
304 305anti-parallel
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