Analysis of interatomic Contacts of Structural Units in PDB entry:
4U2K


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 4U2K entry

There are 6 chains in PDB entry 4U2K (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 LYS 3LYS 253
B
 THR 2LYS 253
C
 LYS 3LYS 253
D
 LYS 3LYS 253
E
 LYS 3LYS 253
F
 LYS 3LYS 253
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 61 helices in PDB entry 4U2K. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
12 16Right-handed 310
Helix 2
AA2
A
26 28Right-handed 310
Helix 3
AA3
A
29 36Right-handed alpha
Helix 4
AA4
A
69 83Right-handed alpha
Helix 5
AA5
A
117 122Right-handed 310
Helix 6
AA6
A
132 146Right-handed alpha
Helix 7
AA7
A
162 166Right-handed 310
Helix 8
AA8
A
176 180Right-handed 310
Helix 9
AA9
A
181 190Right-handed alpha
Helix 10
AB1
A
197 207Right-handed alpha
Helix 11
AB2
A
232 253Right-handed alpha
Helix 12
AB3
B
12 16Right-handed 310
Helix 13
AB4
B
26 35Right-handed alpha
Helix 14
AB5
B
69 83Right-handed alpha
Helix 15
AB6
B
117 122Right-handed 310
Helix 16
AB7
B
132 146Right-handed alpha
Helix 17
AB8
B
162 166Right-handed 310
Helix 18
AB9
B
176 180Right-handed 310
Helix 19
AC1
B
181 189Right-handed alpha
Helix 20
AC2
B
197 207Right-handed alpha
Helix 21
AC3
B
233 252Right-handed alpha
Helix 22
AC4
C
26 28Right-handed 310
Helix 23
AC5
C
29 35Right-handed alpha
Helix 24
AC6
C
69 83Right-handed alpha
Helix 25
AC7
C
117 122Right-handed 310
Helix 26
AC8
C
132 146Right-handed alpha
Helix 27
AC9
C
162 166Right-handed 310
Helix 28
AD1
C
176 180Right-handed 310
Helix 29
AD2
C
181 189Right-handed alpha
Helix 30
AD3
C
197 207Right-handed alpha
Helix 31
AD4
C
229 252Right-handed alpha
Helix 32
AD5
D
12 16Right-handed 310
Helix 33
AD6
D
26 35Right-handed alpha
Helix 34
AD7
D
69 83Right-handed alpha
Helix 35
AD8
D
118 122Right-handed 310
Helix 36
AD9
D
132 146Right-handed alpha
Helix 37
AE1
D
162 166Right-handed 310
Helix 38
AE2
D
176 180Right-handed 310
Helix 39
AE3
D
181 189Right-handed alpha
Helix 40
AE4
D
197 207Right-handed alpha
Helix 41
AE5
D
235 252Right-handed alpha
Helix 42
AE6
E
26 28Right-handed 310
Helix 43
AE7
E
29 35Right-handed alpha
Helix 44
AE8
E
68 83Right-handed alpha
Helix 45
AE9
E
117 122Right-handed 310
Helix 46
AF1
E
132 146Right-handed alpha
Helix 47
AF2
E
162 166Right-handed 310
Helix 48
AF3
E
176 180Right-handed 310
Helix 49
AF4
E
181 189Right-handed alpha
Helix 50
AF5
E
197 207Right-handed alpha
Helix 51
AF6
E
232 253Right-handed alpha
Helix 52
AF7
F
12 16Right-handed 310
Helix 53
AF8
F
26 35Right-handed alpha
Helix 54
AF9
F
69 83Right-handed alpha
Helix 55
AG1
F
117 122Right-handed 310
Helix 56
AG2
F
132 146Right-handed alpha
Helix 57
AG3
F
162 166Right-handed 310
Helix 58
AG4
F
176 180Right-handed 310
Helix 59
AG5
F
181 189Right-handed alpha
Helix 60
AG6
F
197 207Right-handed alpha
Helix 61
AG7
F
230 253Right-handed alpha
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There are 6 sheets in PDB entry 4U2K. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6,

There are 10 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
38 46first strand
Strand 2
A
49 56anti-parallel
Strand 3
A
59 64anti-parallel
Strand 4
A
20 23parallel
Strand 5
A
87 96parallel
Strand 6
A
211 221parallel
Strand 7
A
106 115anti-parallel
Strand 8
A
150 158parallel
Strand 9
A
193 195parallel
Strand 10
A
87 96anti-parallel
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There are 10 strands in AA2 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
38 46first strand
Strand 2
B
49 56anti-parallel
Strand 3
B
59 64anti-parallel
Strand 4
B
20 23parallel
Strand 5
B
87 96parallel
Strand 6
B
211 221parallel
Strand 7
B
106 115anti-parallel
Strand 8
B
150 158parallel
Strand 9
B
193 195parallel
Strand 10
B
87 96anti-parallel
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There are 10 strands in AA3 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
38 46first strand
Strand 2
C
49 55anti-parallel
Strand 3
C
60 64anti-parallel
Strand 4
C
20 22parallel
Strand 5
C
87 96parallel
Strand 6
C
211 221parallel
Strand 7
C
106 115anti-parallel
Strand 8
C
150 158parallel
Strand 9
C
193 195parallel
Strand 10
C
87 96anti-parallel
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There are 10 strands in AA4 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
38 46first strand
Strand 2
D
49 56anti-parallel
Strand 3
D
59 64anti-parallel
Strand 4
D
20 23parallel
Strand 5
D
87 96parallel
Strand 6
D
211 221parallel
Strand 7
D
106 115anti-parallel
Strand 8
D
150 158parallel
Strand 9
D
193 195parallel
Strand 10
D
87 96anti-parallel
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There are 10 strands in AA5 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
38 46first strand
Strand 2
E
49 56anti-parallel
Strand 3
E
59 64anti-parallel
Strand 4
E
20 24parallel
Strand 5
E
87 96parallel
Strand 6
E
211 221parallel
Strand 7
E
106 115anti-parallel
Strand 8
E
150 158parallel
Strand 9
E
193 195parallel
Strand 10
E
87 96anti-parallel
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There are 10 strands in AA6 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
F
38 46first strand
Strand 2
F
49 56anti-parallel
Strand 3
F
59 64anti-parallel
Strand 4
F
20 23parallel
Strand 5
F
87 96parallel
Strand 6
F
211 221parallel
Strand 7
F
106 115anti-parallel
Strand 8
F
150 158parallel
Strand 9
F
193 195parallel
Strand 10
F
87 96anti-parallel
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