Analysis of interatomic Contacts of Structural Units in PDB entry:
3T51


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 3T51 entry

There are 3 chains in PDB entry 3T51 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
B
 ALA 79SER 400
C
 ALA 79SER 400
A
 TRP 4MET 672
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 58 helices in PDB entry 3T51. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
B
158 171Right-handed alpha
Helix 2
2
B
174 189Right-handed alpha
Helix 3
3
B
191 202Right-handed alpha
Helix 4
4
B
254 259Right-handed alpha
Helix 5
5
B
330 332Right-handed 310
Helix 6
6
B
390 397Right-handed alpha
Helix 7
7
C
85 93Right-handed alpha
Helix 8
8
C
158 170Right-handed alpha
Helix 9
9
C
174 189Right-handed alpha
Helix 10
10
C
195 201Right-handed alpha
Helix 11
11
C
253 258Right-handed 310
Helix 12
12
C
330 332Right-handed 310
Helix 13
13
C
381 392Right-handed alpha
Helix 14
14
C
393 400Right-handed alpha
Helix 15
15
A
6 12Right-handed alpha
Helix 16
16
A
13 28Right-handed alpha
Helix 17
17
A
57 64Right-handed alpha
Helix 18
18
A
66 76Right-handed alpha
Helix 19
19
A
102 121Right-handed alpha
Helix 20
20
A
134 136Right-handed 310
Helix 21
21
A
152 162Right-handed alpha
Helix 22
22
A
163 170Right-handed alpha
Helix 23
23
A
192 199Right-handed alpha
Helix 24
24
A
202 212Right-handed alpha
Helix 25
25
A
239 245Right-handed alpha
Helix 26
26
A
296 312Right-handed alpha
Helix 27
27
A
327 357Right-handed alpha
Helix 28
28
A
360 369Right-handed alpha
Helix 29
29
A
370 382Right-handed alpha
Helix 30
30
A
390 420Right-handed alpha
Helix 31
31
A
433 460Right-handed alpha
Helix 32
32
A
461 467Right-handed 310
Helix 33
33
A
468 490Right-handed alpha
Helix 34
34
A
492 502Right-handed alpha
Helix 35
35
A
525 533Right-handed alpha
Helix 36
36
A
535 555Right-handed alpha
Helix 37
37
A
581 586Right-handed alpha
Helix 38
38
A
586 597Right-handed alpha
Helix 39
39
A
632 636Right-handed 310
Helix 40
40
A
641 646Right-handed alpha
Helix 41
41
A
646 651Right-handed alpha
Helix 42
42
A
664 675Right-handed alpha
Helix 43
43
A
689 703Right-handed alpha
Helix 44
44
A
729 735Right-handed alpha
Helix 45
45
A
739 749Right-handed alpha
Helix 46
46
A
773 778Right-handed 310
Helix 47
47
A
779 785Right-handed alpha
Helix 48
48
A
834 845Right-handed alpha
Helix 49
49
A
862 874Right-handed alpha
Helix 50
50
A
876 886Right-handed alpha
Helix 51
51
A
886 891Right-handed alpha
Helix 52
52
A
893 901Right-handed alpha
Helix 53
53
A
903 919Right-handed alpha
Helix 54
54
A
923 941Right-handed alpha
Helix 55
55
A
941 955Right-handed alpha
Helix 56
56
A
966 1000Right-handed alpha
Helix 57
57
A
1005 1029Right-handed alpha
Helix 58
58
A
1031 1040Right-handed alpha
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There are 26 sheets in PDB entry 3T51. 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,

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
B
96 98first strand
Strand 2
B
376 378anti-parallel
Strand 3
B
339 344anti-parallel
Strand 4
B
333 334anti-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
B
96 98first strand
Strand 2
B
376 378anti-parallel
Strand 3
B
339 344anti-parallel
Strand 4
B
350 354anti-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
100 102first strand
Strand 2
B
324 328anti-parallel
Strand 3
B
364 369anti-parallel
Strand 4
B
356 361anti-parallel
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There are 7 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
277 278first strand
Strand 2
B
264 267anti-parallel
Strand 3
B
312 319anti-parallel
Strand 4
B
106 115anti-parallel
Strand 5
B
245 251anti-parallel
Strand 6
B
293 297anti-parallel
Strand 7
B
282 287anti-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
121 125first strand
Strand 2
B
234 239anti-parallel
Strand 3
B
216 220anti-parallel
Strand 4
B
143 144anti-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
207 211first strand
Strand 2
B
149 154anti-parallel
Strand 3
B
130 135anti-parallel
Strand 4
B
228 229anti-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
C
96 98first strand
Strand 2
C
376 378anti-parallel
Strand 3
C
339 344anti-parallel
Strand 4
C
333 334anti-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
C
96 98first strand
Strand 2
C
376 378anti-parallel
Strand 3
C
339 344anti-parallel
Strand 4
C
351 354anti-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
100 102first strand
Strand 2
C
324 328anti-parallel
Strand 3
C
364 369anti-parallel
Strand 4
C
356 361anti-parallel
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There are 3 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
106 110first strand
Strand 2
C
314 319anti-parallel
Strand 3
C
263 267anti-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
112 113first strand
Strand 2
C
247 251anti-parallel
Strand 3
C
293 300anti-parallel
Strand 4
C
244 245anti-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
C
112 113first strand
Strand 2
C
247 251anti-parallel
Strand 3
C
293 300anti-parallel
Strand 4
C
278 284anti-parallel
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There are 2 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
117 124first strand
Strand 2
C
236 240anti-parallel
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There are 3 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
131 135first strand
Strand 2
C
151 154anti-parallel
Strand 3
C
207 209anti-parallel
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There are 2 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
143 144first strand
Strand 2
C
216 217anti-parallel
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There are 7 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
127 129first strand
Strand 2
A
46 51anti-parallel
Strand 3
A
90 97anti-parallel
Strand 4
A
79 87anti-parallel
Strand 5
A
812 816anti-parallel
Strand 6
A
819 827anti-parallel
Strand 7
A
712 715anti-parallel
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There are 8 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
127 129first strand
Strand 2
A
46 51anti-parallel
Strand 3
A
90 97anti-parallel
Strand 4
A
79 87anti-parallel
Strand 5
A
812 816anti-parallel
Strand 6
A
819 827anti-parallel
Strand 7
A
681 686anti-parallel
Strand 8
A
858 860anti-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
A
178 180first strand
Strand 2
A
285 290anti-parallel
Strand 3
A
138 145anti-parallel
Strand 4
A
320 326anti-parallel
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There are 2 strands in S sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
186 187first strand
Strand 2
A
267 268anti-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
A
263 264first strand
Strand 2
A
189 191anti-parallel
Strand 3
A
767 771parallel
Strand 4
A
755 758anti-parallel
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There are 2 strands in U sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
219 224first strand
Strand 2
A
227 231anti-parallel
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There are 2 strands in V sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
249 250first strand
Strand 2
A
256 257anti-parallel
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There are 5 strands in W sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
276 278first strand
Strand 2
A
606 609anti-parallel
Strand 3
A
624 629anti-parallel
Strand 4
A
569 575anti-parallel
Strand 5
A
659 663anti-parallel
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There are 2 strands in X sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
721 724first strand
Strand 2
A
806 809anti-parallel
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There are 2 strands in Y sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
727 728first strand
Strand 2
A
802 803anti-parallel
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There are 2 strands in Z sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
787 789first strand
Strand 2
A
795 797anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il