Analysis of interatomic Contacts of Structural Units in PDB entry:
4B3Q


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 4B3Q entry

There are 4 chains in PDB entry 4B3Q (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 PRO 1ILE 556
B
 THR 7LYS 431
D
 A 3 C 23
R
 G 6 U 26
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 31 helices in PDB entry 4B3Q. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
30 45Right-handed alpha
Helix 2
2
A
77 84Right-handed alpha
Helix 3
3
A
113 118Right-handed alpha
Helix 4
4
A
121 126Right-handed alpha
Helix 5
5
A
155 168Right-handed alpha
Helix 6
6
A
168 175Right-handed alpha
Helix 7
7
A
194 211Right-handed alpha
Helix 8
8
A
254 268Right-handed alpha
Helix 9
9
A
276 281Right-handed alpha
Helix 10
10
A
282 285Right-handed 310
Helix 11
11
A
296 312Right-handed alpha
Helix 12
12
A
363 382Right-handed alpha
Helix 13
13
A
394 405Right-handed alpha
Helix 14
14
A
473 488Right-handed alpha
Helix 15
15
A
499 508Right-handed alpha
Helix 16
16
A
517 528Right-handed alpha
Helix 17
17
A
545 553Right-handed alpha
Helix 18
18
B
27 45Right-handed alpha
Helix 19
19
B
77 82Right-handed alpha
Helix 20
20
B
86 92Right-handed alpha
Helix 21
21
B
112 117Right-handed 310
Helix 22
22
B
124 129Right-handed 310
Helix 23
23
B
134 138Right-handed 310
Helix 24
24
B
155 175Right-handed alpha
Helix 25
25
B
194 213Right-handed alpha
Helix 26
26
B
253 267Right-handed alpha
Helix 27
27
B
276 281Right-handed alpha
Helix 28
28
B
296 312Right-handed alpha
Helix 29
29
B
365 383Right-handed alpha
Helix 30
30
B
394 402Right-handed alpha
Helix 31
31
B
420 425Right-handed alpha
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There are 9 sheets in PDB entry 4B3Q. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, BA, BB, BC, BD,

There are 3 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
47 50first strand
Strand 2
A
143 146anti-parallel
Strand 3
A
129 131anti-parallel
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There are 3 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
105 110first strand
Strand 2
A
186 191anti-parallel
Strand 3
A
179 183anti-parallel
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There are 4 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
227 229first strand
Strand 2
A
232 234anti-parallel
Strand 3
A
238 241anti-parallel
Strand 4
A
316 317anti-parallel
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There are 5 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
350 354first strand
Strand 2
A
336 342anti-parallel
Strand 3
A
326 333anti-parallel
Strand 4
A
388 391parallel
Strand 5
A
414 416parallel
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There are 5 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
464 470first strand
Strand 2
A
452 459anti-parallel
Strand 3
A
438 447anti-parallel
Strand 4
A
493 497parallel
Strand 5
A
531 535parallel
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There are 3 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
47 48first strand
Strand 2
B
143 146anti-parallel
Strand 3
B
130 131anti-parallel
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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
60 64first strand
Strand 2
B
71 75anti-parallel
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There are 4 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
179 183first strand
Strand 2
B
186 191anti-parallel
Strand 3
B
105 110anti-parallel
Strand 4
B
233 234anti-parallel
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There are 5 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
347 354first strand
Strand 2
B
337 344anti-parallel
Strand 3
B
326 331anti-parallel
Strand 4
B
388 391parallel
Strand 5
B
414 416parallel
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