Analysis of interatomic Contacts of Structural Units in PDB entry:
2HT4


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 2HT4 entry

There are 6 chains in PDB entry 2HT4 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ARG 17GLN 460
B
 ARG 18ALA 458
C
 VAL 2ALA 222
D
 ASP 1ALA 211
E
 VAL 2ALA 222
F
 ASP 1ALA 211
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 57 helices in PDB entry 2HT4. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
17 26Right-handed alpha
Helix 2
2
A
32 68Right-handed alpha
Helix 3
3
A
74 101Right-handed alpha
Helix 4
4
A
102 105Right-handed 310
Helix 5
5
A
108 117Right-handed alpha
Helix 6
6
A
123 141Right-handed alpha
Helix 7
7
A
147 165Right-handed alpha
Helix 8
8
A
170 191Right-handed alpha
Helix 9
9
A
192 203Right-handed alpha
Helix 10
10
A
214 234Right-handed alpha
Helix 11
11
A
248 250Right-handed 310
Helix 12
12
A
251 285Right-handed alpha
Helix 13
13
A
287 309Right-handed alpha
Helix 14
14
A
310 313Right-handed 310
Helix 15
15
A
318 326Right-handed alpha
Helix 16
16
A
329 350Right-handed alpha
Helix 17
17
A
356 379Right-handed alpha
Helix 18
18
A
380 383Right-handed 310
Helix 19
19
A
386 395Right-handed alpha
Helix 20
20
A
396 401Right-handed alpha
Helix 21
21
A
404 417Right-handed alpha
Helix 22
22
A
418 420Right-handed 310
Helix 23
23
A
421 438Right-handed alpha
Helix 24
24
A
443 458Right-handed alpha
Helix 25
25
B
18 26Right-handed alpha
Helix 26
26
B
32 71Right-handed alpha
Helix 27
27
B
74 101Right-handed alpha
Helix 28
28
B
102 105Right-handed 310
Helix 29
29
B
108 117Right-handed alpha
Helix 30
30
B
123 139Right-handed alpha
Helix 31
31
B
147 165Right-handed alpha
Helix 32
32
B
170 191Right-handed alpha
Helix 33
33
B
192 203Right-handed alpha
Helix 34
34
B
214 234Right-handed alpha
Helix 35
35
B
248 250Right-handed 310
Helix 36
36
B
251 285Right-handed alpha
Helix 37
37
B
287 309Right-handed alpha
Helix 38
38
B
318 325Right-handed alpha
Helix 39
39
B
329 350Right-handed alpha
Helix 40
40
B
356 379Right-handed alpha
Helix 41
41
B
380 383Right-handed 310
Helix 42
42
B
386 395Right-handed alpha
Helix 43
43
B
395 401Right-handed alpha
Helix 44
44
B
404 417Right-handed alpha
Helix 45
45
B
418 420Right-handed 310
Helix 46
46
B
421 438Right-handed alpha
Helix 47
47
B
443 458Right-handed alpha
Helix 48
48
C
208 211Right-handed 310
Helix 49
49
D
78 82Right-handed 310
Helix 50
50
D
120 125Right-handed alpha
Helix 51
51
D
182 187Right-handed alpha
Helix 52
52
E
87 91Right-handed 310
Helix 53
53
E
164 166Right-handed 310
Helix 54
54
E
208 211Right-handed 310
Helix 55
55
F
78 82Right-handed 310
Helix 56
56
F
120 125Right-handed alpha
Helix 57
57
F
182 187Right-handed alpha
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There are 23 sheets in PDB entry 2HT4. 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,

There are 4 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
3 7first strand
Strand 2
C
16 25anti-parallel
Strand 3
C
78 86anti-parallel
Strand 4
C
68 72anti-parallel
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There are 6 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
11 12first strand
Strand 2
C
115 119parallel
Strand 3
C
92 100anti-parallel
Strand 4
C
34 39anti-parallel
Strand 5
C
45 51anti-parallel
Strand 6
C
58 60anti-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
C
11 12first strand
Strand 2
C
115 119parallel
Strand 3
C
92 100anti-parallel
Strand 4
C
107 111anti-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
C
128 131first strand
Strand 2
C
148 153anti-parallel
Strand 3
C
182 187anti-parallel
Strand 4
C
177 179anti-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
C
143 145first strand
Strand 2
C
190 192anti-parallel
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There are 3 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
159 162first strand
Strand 2
C
202 207anti-parallel
Strand 3
C
212 217anti-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
D
4 5first strand
Strand 2
D
22 25anti-parallel
Strand 3
D
69 71anti-parallel
Strand 4
D
64 66anti-parallel
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There are 6 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
10 13first strand
Strand 2
D
102 105parallel
Strand 3
D
83 89anti-parallel
Strand 4
D
33 37anti-parallel
Strand 5
D
44 48anti-parallel
Strand 6
D
52 53anti-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
10 13first strand
Strand 2
D
102 105parallel
Strand 3
D
83 89anti-parallel
Strand 4
D
96 97anti-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
D
113 117first strand
Strand 2
D
128 136anti-parallel
Strand 3
D
173 181anti-parallel
Strand 4
D
158 160anti-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
D
152 154first strand
Strand 2
D
144 149anti-parallel
Strand 3
D
190 196anti-parallel
Strand 4
D
204 209anti-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
3 7first strand
Strand 2
E
18 25anti-parallel
Strand 3
E
78 83anti-parallel
Strand 4
E
68 69anti-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
3 7first strand
Strand 2
E
18 25anti-parallel
Strand 3
E
78 83anti-parallel
Strand 4
E
72 73anti-parallel
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There are 6 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
11 12first strand
Strand 2
E
115 119parallel
Strand 3
E
92 101anti-parallel
Strand 4
E
34 39anti-parallel
Strand 5
E
45 51anti-parallel
Strand 6
E
58 60anti-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
E
11 12first strand
Strand 2
E
115 119parallel
Strand 3
E
92 101anti-parallel
Strand 4
E
106 111anti-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
128 132first strand
Strand 2
E
143 153anti-parallel
Strand 3
E
183 192anti-parallel
Strand 4
E
171 173anti-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
128 132first strand
Strand 2
E
143 153anti-parallel
Strand 3
E
183 192anti-parallel
Strand 4
E
177 178anti-parallel
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There are 3 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
161 162first strand
Strand 2
E
202 207anti-parallel
Strand 3
E
212 217anti-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
4 6first strand
Strand 2
F
19 25anti-parallel
Strand 3
F
69 74anti-parallel
Strand 4
F
61 66anti-parallel
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There are 6 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
10 13first strand
Strand 2
F
101 105parallel
Strand 3
F
83 89anti-parallel
Strand 4
F
33 37anti-parallel
Strand 5
F
44 48anti-parallel
Strand 6
F
52 53anti-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
10 13first strand
Strand 2
F
101 105parallel
Strand 3
F
83 89anti-parallel
Strand 4
F
96 97anti-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
F
114 117first strand
Strand 2
F
128 138anti-parallel
Strand 3
F
172 181anti-parallel
Strand 4
F
158 162anti-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
F
152 154first strand
Strand 2
F
144 149anti-parallel
Strand 3
F
190 197anti-parallel
Strand 4
F
200 209anti-parallel
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