Analysis of interatomic Contacts of Structural Units in PDB entry:
4X28


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 4X28 entry

There are 4 chains in PDB entry 4X28 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MSE 1ASN 399
B
 MSE 1ALA 398
D
 MSE 1ALA 373
C
 MSE 1ALA 373
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 78 helices in PDB entry 4X28. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
6 24Right-handed alpha
Helix 2
AA2
A
25 33Right-handed alpha
Helix 3
AA3
A
44 55Right-handed alpha
Helix 4
AA4
A
63 67Right-handed 310
Helix 5
AA5
A
72 87Right-handed alpha
Helix 6
AA6
A
91 97Right-handed alpha
Helix 7
AA7
A
97 106Right-handed alpha
Helix 8
AA8
A
107 120Right-handed alpha
Helix 9
AA9
A
137 141Right-handed 310
Helix 10
AB1
A
163 167Right-handed 310
Helix 11
AB2
A
178 181Right-handed 310
Helix 12
AB3
A
183 187Right-handed 310
Helix 13
AB4
A
236 241Right-handed alpha
Helix 14
AB5
A
254 270Right-handed alpha
Helix 15
AB6
A
278 281Right-handed 310
Helix 16
AB7
A
282 309Right-handed alpha
Helix 17
AB8
A
319 346Right-handed alpha
Helix 18
AB9
A
347 349Right-handed 310
Helix 19
AC1
A
359 361Right-handed 310
Helix 20
AC2
A
362 371Right-handed alpha
Helix 21
AC3
A
371 377Right-handed alpha
Helix 22
AC4
A
380 394Right-handed alpha
Helix 23
AC5
B
6 24Right-handed alpha
Helix 24
AC6
B
25 33Right-handed alpha
Helix 25
AC7
B
43 55Right-handed alpha
Helix 26
AC8
B
63 67Right-handed 310
Helix 27
AC9
B
72 87Right-handed alpha
Helix 28
AD1
B
91 97Right-handed alpha
Helix 29
AD2
B
97 106Right-handed alpha
Helix 30
AD3
B
107 120Right-handed alpha
Helix 31
AD4
B
137 141Right-handed 310
Helix 32
AD5
B
163 167Right-handed 310
Helix 33
AD6
B
184 187Right-handed 310
Helix 34
AD7
B
235 241Right-handed alpha
Helix 35
AD8
B
254 270Right-handed alpha
Helix 36
AD9
B
273 277Right-handed 310
Helix 37
AE1
B
278 281Right-handed 310
Helix 38
AE2
B
282 309Right-handed alpha
Helix 39
AE3
B
319 346Right-handed alpha
Helix 40
AE4
B
347 349Right-handed 310
Helix 41
AE5
B
359 361Right-handed 310
Helix 42
AE6
B
362 371Right-handed alpha
Helix 43
AE7
B
371 377Right-handed alpha
Helix 44
AE8
B
380 394Right-handed alpha
Helix 45
AE9
D
6 24Right-handed alpha
Helix 46
AF1
D
25 34Right-handed alpha
Helix 47
AF2
D
40 50Right-handed alpha
Helix 48
AF3
D
51 56Right-handed alpha
Helix 49
AF4
D
58 62Right-handed 310
Helix 50
AF5
D
67 81Right-handed alpha
Helix 51
AF6
D
86 91Right-handed alpha
Helix 52
AF7
D
93 102Right-handed alpha
Helix 53
AF8
D
103 109Right-handed alpha
Helix 54
AF9
D
109 116Right-handed alpha
Helix 55
AG1
D
155 158Right-handed 310
Helix 56
AG2
D
214 251Right-handed alpha
Helix 57
AG3
D
261 292Right-handed alpha
Helix 58
AG4
D
303 330Right-handed alpha
Helix 59
AG5
D
331 334Right-handed 310
Helix 60
AG6
D
339 354Right-handed alpha
Helix 61
AG7
D
355 371Right-handed alpha
Helix 62
AG8
C
6 24Right-handed alpha
Helix 63
AG9
C
25 35Right-handed alpha
Helix 64
AH1
C
40 50Right-handed alpha
Helix 65
AH2
C
51 56Right-handed alpha
Helix 66
AH3
C
58 62Right-handed 310
Helix 67
AH4
C
67 81Right-handed alpha
Helix 68
AH5
C
86 91Right-handed alpha
Helix 69
AH6
C
93 102Right-handed alpha
Helix 70
AH7
C
103 109Right-handed alpha
Helix 71
AH8
C
109 116Right-handed alpha
Helix 72
AH9
C
155 158Right-handed 310
Helix 73
AI1
C
214 251Right-handed alpha
Helix 74
AI2
C
261 292Right-handed alpha
Helix 75
AI3
C
303 330Right-handed alpha
Helix 76
AI4
C
331 334Right-handed 310
Helix 77
AI5
C
339 354Right-handed alpha
Helix 78
AI6
C
355 371Right-handed alpha
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There are 10 sheets in PDB entry 4X28. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8, AA9, AB1,

There are 6 strands in AA1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
125 128first strand
Strand 2
A
169 176parallel
Strand 3
A
144 148parallel
Strand 4
A
151 159anti-parallel
Strand 5
A
214 225anti-parallel
Strand 6
A
201 206anti-parallel
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There are 4 strands in AA2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
125 128first strand
Strand 2
A
169 176parallel
Strand 3
A
189 195anti-parallel
Strand 4
A
229 230anti-parallel
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There are 4 strands in AA3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
125 128first strand
Strand 2
B
169 175parallel
Strand 3
B
189 195anti-parallel
Strand 4
B
229 230anti-parallel
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There are 4 strands in AA4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
144 148first strand
Strand 2
B
151 159anti-parallel
Strand 3
B
214 225anti-parallel
Strand 4
B
201 206anti-parallel
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There are 4 strands in AA5 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
121 123first strand
Strand 2
D
160 167parallel
Strand 3
D
170 177anti-parallel
Strand 4
D
211 213anti-parallel
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There are 4 strands in AA6 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
135 138first strand
Strand 2
D
142 153anti-parallel
Strand 3
D
196 207anti-parallel
Strand 4
D
183 187anti-parallel
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There are 2 strands in AA7 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
252 253first strand
Strand 2
D
256 257anti-parallel
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There are 4 strands in AA8 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
121 123first strand
Strand 2
C
160 167parallel
Strand 3
C
170 177anti-parallel
Strand 4
C
211 213anti-parallel
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There are 4 strands in AA9 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
135 138first strand
Strand 2
C
142 153anti-parallel
Strand 3
C
196 207anti-parallel
Strand 4
C
183 187anti-parallel
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There are 2 strands in AB1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
252 253first strand
Strand 2
C
256 257anti-parallel
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