Analysis of interatomic Contacts of Structural Units in PDB entry:
4C23


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 4C23 entry

There are 2 chains in PDB entry 4C23 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LEU -5ASN 467
B
 GLY -1LYS 466
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 4C23. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
48 66Right-handed alpha
Helix 2
2
A
99 103Right-handed 310
Helix 3
3
A
104 113Right-handed alpha
Helix 4
4
A
114 123Right-handed alpha
Helix 5
5
A
130 142Right-handed alpha
Helix 6
6
A
142 147Right-handed alpha
Helix 7
7
A
155 165Right-handed alpha
Helix 8
8
A
171 175Right-handed alpha
Helix 9
9
A
188 196Right-handed alpha
Helix 10
10
A
198 202Right-handed 310
Helix 11
11
A
216 220Right-handed 310
Helix 12
12
A
232 240Right-handed alpha
Helix 13
13
A
268 274Right-handed alpha
Helix 14
14
A
282 284Right-handed 310
Helix 15
15
A
295 307Right-handed alpha
Helix 16
16
A
313 324Right-handed alpha
Helix 17
17
A
332 336Right-handed 310
Helix 18
18
A
343 356Right-handed alpha
Helix 19
19
A
362 390Right-handed alpha
Helix 20
20
A
405 417Right-handed alpha
Helix 21
21
A
426 440Right-handed alpha
Helix 22
22
A
445 457Right-handed alpha
Helix 23
23
B
48 67Right-handed alpha
Helix 24
24
B
104 113Right-handed alpha
Helix 25
25
B
114 123Right-handed alpha
Helix 26
26
B
130 142Right-handed alpha
Helix 27
27
B
142 147Right-handed alpha
Helix 28
28
B
155 165Right-handed alpha
Helix 29
29
B
171 175Right-handed alpha
Helix 30
30
B
188 195Right-handed alpha
Helix 31
31
B
198 202Right-handed 310
Helix 32
32
B
216 220Right-handed 310
Helix 33
33
B
232 240Right-handed alpha
Helix 34
34
B
268 275Right-handed alpha
Helix 35
35
B
282 284Right-handed 310
Helix 36
36
B
295 308Right-handed alpha
Helix 37
37
B
313 324Right-handed alpha
Helix 38
38
B
332 336Right-handed 310
Helix 39
39
B
343 356Right-handed alpha
Helix 40
40
B
362 390Right-handed alpha
Helix 41
41
B
405 417Right-handed alpha
Helix 42
42
B
426 440Right-handed alpha
Helix 43
43
B
444 457Right-handed alpha
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There are 12 sheets in PDB entry 4C23. Click on sheet of interest to get list of strands forming it: AA, AB, AC, AD, AE, AF, BA, BB, BC, BD, BE, BF,

There are 6 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
25 35first strand
Strand 2
A
13 22anti-parallel
Strand 3
A
1 9anti-parallel
Strand 4
A
67 75parallel
Strand 5
A
225 227parallel
Strand 6
A
211 214anti-parallel
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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
39 41first strand
Strand 2
A
44 46anti-parallel
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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
81 85first strand
Strand 2
A
149 154anti-parallel
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There are 2 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
169 170first strand
Strand 2
A
205 206parallel
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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
180 181first strand
Strand 2
A
186 187anti-parallel
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There are 7 strands in AF sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
276 280first strand
Strand 2
A
286 291anti-parallel
Strand 3
A
257 262anti-parallel
Strand 4
A
247 251anti-parallel
Strand 5
A
395 398parallel
Strand 6
A
419 422parallel
Strand 7
A
460 462anti-parallel
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There are 6 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
25 35first strand
Strand 2
B
13 22anti-parallel
Strand 3
B
2 9anti-parallel
Strand 4
B
68 76parallel
Strand 5
B
225 228parallel
Strand 6
B
210 214anti-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
39 41first strand
Strand 2
B
44 46anti-parallel
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There are 3 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
90 92first strand
Strand 2
B
81 85anti-parallel
Strand 3
B
149 154anti-parallel
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There are 2 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
169 170first strand
Strand 2
B
205 206parallel
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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
180 181first strand
Strand 2
B
186 187anti-parallel
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There are 7 strands in BF sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
277 280first strand
Strand 2
B
286 291anti-parallel
Strand 3
B
257 262anti-parallel
Strand 4
B
247 251anti-parallel
Strand 5
B
395 398parallel
Strand 6
B
419 422parallel
Strand 7
B
460 462anti-parallel
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