Analysis of interatomic Contacts of Structural Units in PDB entry:
3R74


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 3R74 entry

There are 2 chains in PDB entry 3R74 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASN 6ARG 633
B
 ARG 7GLU 635
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 44 helices in PDB entry 3R74. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
7 15Right-handed alpha
Helix 2
2
A
49 53Right-handed 310
Helix 3
3
A
73 81Right-handed 310
Helix 4
4
A
104 111Right-handed alpha
Helix 5
5
A
126 141Right-handed alpha
Helix 6
6
A
142 145Right-handed 310
Helix 7
7
A
164 179Right-handed alpha
Helix 8
8
A
228 239Right-handed alpha
Helix 9
9
A
242 260Right-handed alpha
Helix 10
10
A
291 299Right-handed alpha
Helix 11
11
A
302 305Right-handed 310
Helix 12
12
A
309 321Right-handed alpha
Helix 13
13
A
375 387Right-handed alpha
Helix 14
14
A
387 395Right-handed alpha
Helix 15
15
A
406 416Right-handed alpha
Helix 16
16
A
417 419Right-handed 310
Helix 17
17
A
422 426Right-handed 310
Helix 18
18
A
455 467Right-handed alpha
Helix 19
19
A
481 485Right-handed 310
Helix 20
20
A
502 519Right-handed alpha
Helix 21
21
A
526 537Right-handed alpha
Helix 22
22
A
619 632Right-handed alpha
Helix 23
23
B
9 14Right-handed alpha
Helix 24
24
B
49 53Right-handed 310
Helix 25
25
B
73 81Right-handed 310
Helix 26
26
B
104 110Right-handed alpha
Helix 27
27
B
126 141Right-handed alpha
Helix 28
28
B
142 145Right-handed 310
Helix 29
29
B
164 179Right-handed alpha
Helix 30
30
B
228 238Right-handed alpha
Helix 31
31
B
242 260Right-handed alpha
Helix 32
32
B
291 299Right-handed alpha
Helix 33
33
B
302 305Right-handed 310
Helix 34
34
B
309 319Right-handed alpha
Helix 35
35
B
375 387Right-handed alpha
Helix 36
36
B
387 392Right-handed alpha
Helix 37
37
B
402 405Right-handed 310
Helix 38
38
B
406 416Right-handed alpha
Helix 39
39
B
422 426Right-handed 310
Helix 40
40
B
455 467Right-handed alpha
Helix 41
41
B
481 485Right-handed 310
Helix 42
42
B
502 519Right-handed alpha
Helix 43
43
B
526 537Right-handed alpha
Helix 44
44
B
619 633Right-handed alpha
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There are 14 sheets in PDB entry 3R74. 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 9 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
98 103first strand
Strand 2
A
36 41anti-parallel
Strand 3
A
21 26anti-parallel
Strand 4
A
184 189anti-parallel
Strand 5
A
193 199anti-parallel
Strand 6
A
353 357anti-parallel
Strand 7
A
361 370anti-parallel
Strand 8
A
149 160anti-parallel
Strand 9
A
118 123anti-parallel
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There are 9 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
98 103first strand
Strand 2
A
36 41anti-parallel
Strand 3
A
21 26anti-parallel
Strand 4
A
184 189anti-parallel
Strand 5
A
193 199anti-parallel
Strand 6
A
353 357anti-parallel
Strand 7
A
361 370anti-parallel
Strand 8
A
149 160anti-parallel
Strand 9
A
307 308anti-parallel
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There are 9 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
44 45first strand
Strand 2
A
92 95anti-parallel
Strand 3
A
65 72anti-parallel
Strand 4
A
331 337anti-parallel
Strand 5
A
343 349anti-parallel
Strand 6
A
202 207anti-parallel
Strand 7
A
210 213anti-parallel
Strand 8
A
277 287anti-parallel
Strand 9
A
216 221anti-parallel
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There are 9 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
44 45first strand
Strand 2
A
92 95anti-parallel
Strand 3
A
65 72anti-parallel
Strand 4
A
331 337anti-parallel
Strand 5
A
343 349anti-parallel
Strand 6
A
202 207anti-parallel
Strand 7
A
210 213anti-parallel
Strand 8
A
277 287anti-parallel
Strand 9
A
265 273anti-parallel
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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
469 475first strand
Strand 2
A
445 451parallel
Strand 3
A
487 490parallel
Strand 4
A
522 525parallel
Strand 5
A
605 608parallel
Strand 6
A
597 601anti-parallel
Strand 7
A
584 590anti-parallel
Strand 8
A
577 580anti-parallel
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There are 2 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
540 542first strand
Strand 2
A
569 571anti-parallel
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There are 2 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
550 556first strand
Strand 2
A
559 565anti-parallel
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There are 9 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
98 103first strand
Strand 2
B
36 41anti-parallel
Strand 3
B
21 26anti-parallel
Strand 4
B
184 189anti-parallel
Strand 5
B
194 199anti-parallel
Strand 6
B
353 356anti-parallel
Strand 7
B
361 370anti-parallel
Strand 8
B
149 159anti-parallel
Strand 9
B
119 123anti-parallel
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There are 9 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
98 103first strand
Strand 2
B
36 41anti-parallel
Strand 3
B
21 26anti-parallel
Strand 4
B
184 189anti-parallel
Strand 5
B
194 199anti-parallel
Strand 6
B
353 356anti-parallel
Strand 7
B
361 370anti-parallel
Strand 8
B
149 159anti-parallel
Strand 9
B
307 308anti-parallel
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There are 9 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
44 45first strand
Strand 2
B
92 95anti-parallel
Strand 3
B
65 72anti-parallel
Strand 4
B
331 337anti-parallel
Strand 5
B
343 349anti-parallel
Strand 6
B
202 207anti-parallel
Strand 7
B
210 213anti-parallel
Strand 8
B
277 287anti-parallel
Strand 9
B
216 221anti-parallel
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There are 9 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
44 45first strand
Strand 2
B
92 95anti-parallel
Strand 3
B
65 72anti-parallel
Strand 4
B
331 337anti-parallel
Strand 5
B
343 349anti-parallel
Strand 6
B
202 207anti-parallel
Strand 7
B
210 213anti-parallel
Strand 8
B
277 287anti-parallel
Strand 9
B
265 273anti-parallel
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There are 8 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
470 475first strand
Strand 2
B
446 451parallel
Strand 3
B
487 490parallel
Strand 4
B
522 525parallel
Strand 5
B
605 608parallel
Strand 6
B
597 601anti-parallel
Strand 7
B
584 590anti-parallel
Strand 8
B
577 580anti-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
B
540 542first strand
Strand 2
B
569 571anti-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
550 556first strand
Strand 2
B
559 565anti-parallel
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