Analysis of interatomic Contacts of Structural Units in PDB entry:
3T81


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 3T81 entry

There are 2 chains in PDB entry 3T81 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLU 9VAL 595
B
 ALA 8GLU 594
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 43 helices in PDB entry 3T81. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
10 14Right-handed 310
Helix 2
2
A
15 28Right-handed alpha
Helix 3
3
A
94 99Right-handed 310
Helix 4
4
A
101 111Right-handed alpha
Helix 5
5
A
121 129Right-handed alpha
Helix 6
6
A
129 141Right-handed alpha
Helix 7
7
A
169 179Right-handed alpha
Helix 8
8
A
190 196Right-handed alpha
Helix 9
9
A
198 211Right-handed alpha
Helix 10
10
A
223 234Right-handed alpha
Helix 11
11
A
243 253Right-handed alpha
Helix 12
12
A
266 278Right-handed alpha
Helix 13
13
A
292 299Right-handed alpha
Helix 14
14
A
301 312Right-handed alpha
Helix 15
15
A
315 324Right-handed alpha
Helix 16
16
A
324 331Right-handed alpha
Helix 17
17
A
383 387Right-handed 310
Helix 18
18
A
396 401Right-handed 310
Helix 19
19
A
488 502Right-handed alpha
Helix 20
20
A
530 547Right-handed alpha
Helix 21
21
A
557 563Right-handed 310
Helix 22
22
B
10 14Right-handed 310
Helix 23
23
B
15 28Right-handed alpha
Helix 24
24
B
94 99Right-handed 310
Helix 25
25
B
101 111Right-handed alpha
Helix 26
26
B
121 129Right-handed alpha
Helix 27
27
B
129 141Right-handed alpha
Helix 28
28
B
169 177Right-handed alpha
Helix 29
29
B
191 196Right-handed alpha
Helix 30
30
B
198 212Right-handed alpha
Helix 31
31
B
223 233Right-handed alpha
Helix 32
32
B
243 254Right-handed alpha
Helix 33
33
B
263 265Right-handed 310
Helix 34
34
B
266 278Right-handed alpha
Helix 35
35
B
292 299Right-handed alpha
Helix 36
36
B
301 312Right-handed alpha
Helix 37
37
B
315 324Right-handed alpha
Helix 38
38
B
324 332Right-handed alpha
Helix 39
39
B
383 387Right-handed 310
Helix 40
40
B
396 401Right-handed 310
Helix 41
41
B
488 503Right-handed alpha
Helix 42
42
B
530 546Right-handed alpha
Helix 43
43
B
559 564Right-handed alpha
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There are 14 sheets in PDB entry 3T81. 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,

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
A
60 65first strand
Strand 2
A
53 57anti-parallel
Strand 3
A
34 37anti-parallel
Strand 4
A
76 78parallel
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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
A
48 51first strand
Strand 2
A
40 43anti-parallel
Strand 3
A
83 86parallel
Strand 4
A
347 350anti-parallel
Strand 5
A
358 363anti-parallel
Strand 6
A
366 370anti-parallel
Strand 7
A
373 374anti-parallel
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There are 5 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
88 93first strand
Strand 2
A
114 119parallel
Strand 3
A
146 151parallel
Strand 4
A
182 188parallel
Strand 5
A
214 217parallel
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There are 3 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
237 238first strand
Strand 2
A
256 260parallel
Strand 3
A
284 287parallel
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There are 8 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
421 428first strand
Strand 2
A
408 415anti-parallel
Strand 3
A
456 462parallel
Strand 4
A
441 446anti-parallel
Strand 5
A
482 486anti-parallel
Strand 6
A
470 473anti-parallel
Strand 7
A
505 510anti-parallel
Strand 8
A
513 519anti-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
A
421 428first strand
Strand 2
A
408 415anti-parallel
Strand 3
A
592 594anti-parallel
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There are 3 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
572 575first strand
Strand 2
A
578 581anti-parallel
Strand 3
A
587 588anti-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
60 65first strand
Strand 2
B
53 57anti-parallel
Strand 3
B
34 37anti-parallel
Strand 4
B
76 78parallel
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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
B
49 51first strand
Strand 2
B
40 42anti-parallel
Strand 3
B
83 86parallel
Strand 4
B
347 350anti-parallel
Strand 5
B
358 363anti-parallel
Strand 6
B
366 370anti-parallel
Strand 7
B
373 374anti-parallel
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There are 5 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
88 93first strand
Strand 2
B
114 119parallel
Strand 3
B
146 151parallel
Strand 4
B
182 188parallel
Strand 5
B
214 217parallel
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There are 3 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
237 238first strand
Strand 2
B
256 260parallel
Strand 3
B
284 287parallel
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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
B
428 430first strand
Strand 2
B
433 435anti-parallel
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There are 6 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
457 458first strand
Strand 2
B
442 446anti-parallel
Strand 3
B
482 486anti-parallel
Strand 4
B
470 473anti-parallel
Strand 5
B
505 510anti-parallel
Strand 6
B
513 519anti-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
B
579 580first strand
Strand 2
B
587 588anti-parallel
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