Analysis of interatomic Contacts of Structural Units in PDB entry:
4BSU


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 4BSU entry

There are 5 chains in PDB entry 4BSU (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LEU 31PRO 543
B
 GLY 33PRO 543
C
 CYS 40CYS 142
D
 CYS 40SER 143
E
 LEU 31HIS 162
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 30 helices in PDB entry 4BSU. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
178 183Right-handed alpha
Helix 2
2
A
250 256Right-handed 310
Helix 3
3
A
298 302Right-handed 310
Helix 4
4
A
347 351Right-handed 310
Helix 5
5
A
391 395Right-handed 310
Helix 6
6
A
415 419Right-handed 310
Helix 7
7
A
475 481Right-handed alpha
Helix 8
8
A
526 538Right-handed alpha
Helix 9
9
B
178 183Right-handed alpha
Helix 10
10
B
250 256Right-handed 310
Helix 11
11
B
298 302Right-handed 310
Helix 12
12
B
347 351Right-handed 310
Helix 13
13
B
391 395Right-handed 310
Helix 14
14
B
415 419Right-handed 310
Helix 15
15
B
475 481Right-handed alpha
Helix 16
16
B
530 538Right-handed 310
Helix 17
17
E
178 183Right-handed alpha
Helix 18
18
E
250 256Right-handed 310
Helix 19
19
E
298 302Right-handed 310
Helix 20
20
E
347 351Right-handed 310
Helix 21
21
E
391 395Right-handed 310
Helix 22
22
E
415 419Right-handed 310
Helix 23
23
E
475 481Right-handed alpha
Helix 24
24
F
178 183Right-handed alpha
Helix 25
25
F
250 256Right-handed 310
Helix 26
26
F
298 302Right-handed 310
Helix 27
27
F
347 351Right-handed 310
Helix 28
28
F
391 395Right-handed 310
Helix 29
29
F
415 419Right-handed 310
Helix 30
30
F
475 481Right-handed alpha
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There are 40 sheets in PDB entry 4BSU. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, BA, BB, BC, BD, BE, CA, CB, CC, CD, CE, A, DB, C, DD, DE, EA, EB, EC, ED, EE, FA, FB, FC, FD, FE, GA, GB, GC, GD, GE, HA, HB, HC, HD, HE,

There are 12 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
39 42first strand
Strand 2
A
48 51anti-parallel
Strand 3
A
68 72parallel
Strand 4
A
94 96parallel
Strand 5
A
118 120parallel
Strand 6
A
142 144parallel
Strand 7
A
166 168parallel
Strand 8
A
190 192parallel
Strand 9
A
214 216parallel
Strand 10
A
238 240parallel
Strand 11
A
261 263parallel
Strand 12
A
285 287parallel
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There are 2 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
200 201first strand
Strand 2
A
224 225parallel
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There are 2 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
271 272first strand
Strand 2
A
295 296parallel
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There are 9 strands in AD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
309 313first strand
Strand 2
A
332 336parallel
Strand 3
A
356 358parallel
Strand 4
A
378 380parallel
Strand 5
A
402 404parallel
Strand 6
A
426 428parallel
Strand 7
A
447 449parallel
Strand 8
A
470 472parallel
Strand 9
A
541 542parallel
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There are 2 strands in AE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
388 389first strand
Strand 2
A
412 413parallel
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There are 12 strands in BA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
39 42first strand
Strand 2
B
48 51anti-parallel
Strand 3
B
68 72parallel
Strand 4
B
94 96parallel
Strand 5
B
118 120parallel
Strand 6
B
142 144parallel
Strand 7
B
166 168parallel
Strand 8
B
190 192parallel
Strand 9
B
214 216parallel
Strand 10
B
238 240parallel
Strand 11
B
261 263parallel
Strand 12
B
285 287parallel
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There are 2 strands in BB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
200 201first strand
Strand 2
B
224 225parallel
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There are 2 strands in BC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
271 272first strand
Strand 2
B
295 296parallel
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There are 8 strands in BD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
309 313first strand
Strand 2
B
332 336parallel
Strand 3
B
356 358parallel
Strand 4
B
378 380parallel
Strand 5
B
402 404parallel
Strand 6
B
426 428parallel
Strand 7
B
447 449parallel
Strand 8
B
470 472parallel
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There are 2 strands in BE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
388 389first strand
Strand 2
B
412 413parallel
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There are 2 strands in CA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
44 48first strand
Strand 2
C
52 56anti-parallel
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There are 2 strands in CB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
61 67first strand
Strand 2
C
70 76anti-parallel
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There are 2 strands in CC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
83 86first strand
Strand 2
C
93 96anti-parallel
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There are 2 strands in CD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
102 105first strand
Strand 2
C
111 114anti-parallel
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There are 2 strands in CE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
119 121first strand
Strand 2
C
124 126anti-parallel
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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
D
44 48first strand
Strand 2
D
52 56anti-parallel
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There are 2 strands in DB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
61 67first strand
Strand 2
D
70 76anti-parallel
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There are 2 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
83 86first strand
Strand 2
D
93 96anti-parallel
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There are 2 strands in DD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
102 105first strand
Strand 2
D
111 114anti-parallel
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There are 2 strands in DE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
119 121first strand
Strand 2
D
124 126anti-parallel
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There are 12 strands in EA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
39 42first strand
Strand 2
E
48 51anti-parallel
Strand 3
E
68 72parallel
Strand 4
E
94 96parallel
Strand 5
E
118 120parallel
Strand 6
E
142 144parallel
Strand 7
E
166 168parallel
Strand 8
E
190 192parallel
Strand 9
E
214 216parallel
Strand 10
E
238 240parallel
Strand 11
E
261 263parallel
Strand 12
E
285 287parallel
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There are 2 strands in EB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
200 201first strand
Strand 2
E
224 225parallel
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There are 2 strands in EC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
271 272first strand
Strand 2
E
295 296parallel
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There are 8 strands in ED sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
309 313first strand
Strand 2
E
332 336parallel
Strand 3
E
356 358parallel
Strand 4
E
378 380parallel
Strand 5
E
402 404parallel
Strand 6
E
426 428parallel
Strand 7
E
447 449parallel
Strand 8
E
470 472parallel
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There are 2 strands in EE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
388 389first strand
Strand 2
E
412 413parallel
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There are 12 strands in FA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
39 42first strand
Strand 2
F
48 51anti-parallel
Strand 3
F
68 72parallel
Strand 4
F
94 96parallel
Strand 5
F
118 120parallel
Strand 6
F
142 144parallel
Strand 7
F
166 168parallel
Strand 8
F
190 192parallel
Strand 9
F
214 216parallel
Strand 10
F
238 240parallel
Strand 11
F
261 263parallel
Strand 12
F
285 287parallel
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There are 2 strands in FB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
200 201first strand
Strand 2
F
224 225parallel
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There are 2 strands in FC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
271 272first strand
Strand 2
F
295 296parallel
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There are 8 strands in FD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
309 313first strand
Strand 2
F
332 336parallel
Strand 3
F
356 358parallel
Strand 4
F
378 380parallel
Strand 5
F
402 404parallel
Strand 6
F
426 428parallel
Strand 7
F
447 449parallel
Strand 8
F
470 472parallel
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There are 2 strands in FE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
388 389first strand
Strand 2
F
412 413parallel
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There are 2 strands in GA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
44 48first strand
Strand 2
G
52 56anti-parallel
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There are 2 strands in GB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
61 67first strand
Strand 2
G
70 76anti-parallel
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There are 2 strands in GC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
83 86first strand
Strand 2
G
93 96anti-parallel
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There are 2 strands in GD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
102 105first strand
Strand 2
G
111 114anti-parallel
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There are 2 strands in GE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
119 121first strand
Strand 2
G
124 126anti-parallel
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There are 2 strands in HA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
44 48first strand
Strand 2
H
52 56anti-parallel
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There are 2 strands in HB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
61 66first strand
Strand 2
H
71 76anti-parallel
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There are 2 strands in HC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
83 86first strand
Strand 2
H
93 96anti-parallel
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There are 2 strands in HD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
102 105first strand
Strand 2
H
111 114anti-parallel
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There are 2 strands in HE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
119 121first strand
Strand 2
H
124 126anti-parallel
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