Analysis of interatomic Contacts of Structural Units in PDB entry:
3U4A


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 3U4A entry

There are 2 chains in PDB entry 3U4A (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1PRO 739
B
 LYS 2SER 562
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 61 helices in PDB entry 3U4A. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
2 14Right-handed alpha
Helix 2
2
A
15 23Right-handed alpha
Helix 3
3
A
35 39Right-handed 310
Helix 4
4
A
41 47Right-handed alpha
Helix 5
5
A
58 73Right-handed alpha
Helix 6
6
A
95 101Right-handed alpha
Helix 7
7
A
104 122Right-handed alpha
Helix 8
8
A
140 146Right-handed 310
Helix 9
9
A
150 167Right-handed alpha
Helix 10
10
A
185 193Right-handed 310
Helix 11
11
A
201 209Right-handed alpha
Helix 12
12
A
210 219Right-handed alpha
Helix 13
13
A
239 244Right-handed alpha
Helix 14
14
A
263 272Right-handed alpha
Helix 15
15
A
275 287Right-handed alpha
Helix 16
16
A
295 307Right-handed alpha
Helix 17
17
A
311 330Right-handed alpha
Helix 18
18
A
340 347Right-handed alpha
Helix 19
19
A
350 363Right-handed alpha
Helix 20
20
A
372 374Right-handed 310
Helix 21
21
A
405 409Right-handed 310
Helix 22
22
A
411 421Right-handed alpha
Helix 23
23
A
437 444Right-handed alpha
Helix 24
24
A
457 470Right-handed alpha
Helix 25
25
A
482 486Right-handed 310
Helix 26
26
A
498 510Right-handed alpha
Helix 27
27
A
527 534Right-handed alpha
Helix 28
28
A
546 556Right-handed alpha
Helix 29
29
A
572 576Right-handed 310
Helix 30
30
A
697 702Right-handed 310
Helix 31
31
B
3 14Right-handed alpha
Helix 32
32
B
15 23Right-handed alpha
Helix 33
33
B
35 38Right-handed 310
Helix 34
34
B
39 47Right-handed alpha
Helix 35
35
B
58 73Right-handed alpha
Helix 36
36
B
95 101Right-handed alpha
Helix 37
37
B
104 121Right-handed alpha
Helix 38
38
B
140 146Right-handed 310
Helix 39
39
B
150 167Right-handed alpha
Helix 40
40
B
185 193Right-handed 310
Helix 41
41
B
201 209Right-handed alpha
Helix 42
42
B
210 219Right-handed alpha
Helix 43
43
B
239 244Right-handed alpha
Helix 44
44
B
263 272Right-handed alpha
Helix 45
45
B
275 287Right-handed alpha
Helix 46
46
B
295 307Right-handed alpha
Helix 47
47
B
311 329Right-handed alpha
Helix 48
48
B
340 347Right-handed alpha
Helix 49
49
B
350 363Right-handed alpha
Helix 50
50
B
372 374Right-handed 310
Helix 51
51
B
405 409Right-handed 310
Helix 52
52
B
411 421Right-handed alpha
Helix 53
53
B
437 445Right-handed alpha
Helix 54
54
B
457 470Right-handed alpha
Helix 55
55
B
482 486Right-handed 310
Helix 56
56
B
498 510Right-handed alpha
Helix 57
57
B
527 534Right-handed alpha
Helix 58
58
B
546 556Right-handed alpha
Helix 59
59
B
572 576Right-handed 310
Helix 60
60
B
697 702Right-handed 310
Helix 61
61
B
738 742Right-handed 310
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There are 18 sheets in PDB entry 3U4A. 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,

There are 2 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
24 25first strand
Strand 2
A
291 292parallel
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There are 3 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
52 54first strand
Strand 2
A
80 83parallel
Strand 3
A
126 127parallel
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There are 3 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
179 183first strand
Strand 2
A
223 226parallel
Strand 3
A
257 259parallel
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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
230 231first strand
Strand 2
A
234 235anti-parallel
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There are 6 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
366 370first strand
Strand 2
A
536 539anti-parallel
Strand 3
A
515 520parallel
Strand 4
A
474 480parallel
Strand 5
A
382 386parallel
Strand 6
A
425 429parallel
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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
622 624first strand
Strand 2
A
640 648anti-parallel
Strand 3
A
628 629anti-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
622 624first strand
Strand 2
A
640 648anti-parallel
Strand 3
A
689 696anti-parallel
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There are 5 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
633 635first strand
Strand 2
A
728 736parallel
Strand 3
A
715 722anti-parallel
Strand 4
A
654 664anti-parallel
Strand 5
A
675 684anti-parallel
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There are 2 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
703 704first strand
Strand 2
A
710 711anti-parallel
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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
B
24 25first strand
Strand 2
B
291 292parallel
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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
52 54first strand
Strand 2
B
80 83parallel
Strand 3
B
126 127parallel
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There are 3 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
179 183first strand
Strand 2
B
223 226parallel
Strand 3
B
257 259parallel
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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
B
230 231first strand
Strand 2
B
234 235anti-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
B
366 370first strand
Strand 2
B
536 541anti-parallel
Strand 3
B
515 520parallel
Strand 4
B
474 480parallel
Strand 5
B
381 386parallel
Strand 6
B
424 429parallel
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There are 3 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
622 624first strand
Strand 2
B
640 648anti-parallel
Strand 3
B
628 629anti-parallel
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There are 3 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
622 624first strand
Strand 2
B
640 648anti-parallel
Strand 3
B
689 696anti-parallel
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There are 5 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
633 635first strand
Strand 2
B
729 736parallel
Strand 3
B
715 722anti-parallel
Strand 4
B
654 664anti-parallel
Strand 5
B
675 684anti-parallel
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There are 2 strands in R sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
703 704first strand
Strand 2
B
710 711anti-parallel
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