Analysis of interatomic Contacts of Structural Units in PDB entry:
4XK2


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 4XK2 entry

There are 3 chains in PDB entry 4XK2 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 0VAL 343
B
 SER 0VAL 343
C
 SER 0VAL 343
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 42 helices in PDB entry 4XK2. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
38 51Right-handed alpha
Helix 2
AA2
A
61 64Right-handed 310
Helix 3
AA3
A
65 76Right-handed alpha
Helix 4
AA4
A
78 82Right-handed 310
Helix 5
AA5
A
102 118Right-handed alpha
Helix 6
AA6
A
135 149Right-handed alpha
Helix 7
AA7
A
161 176Right-handed alpha
Helix 8
AA8
A
192 196Right-handed 310
Helix 9
AA9
A
197 206Right-handed alpha
Helix 10
AB1
A
247 266Right-handed alpha
Helix 11
AB2
A
268 279Right-handed alpha
Helix 12
AB3
A
292 301Right-handed alpha
Helix 13
AB4
A
308 320Right-handed alpha
Helix 14
AB5
A
327 332Right-handed alpha
Helix 15
AB6
B
38 52Right-handed alpha
Helix 16
AB7
B
61 64Right-handed 310
Helix 17
AB8
B
65 76Right-handed alpha
Helix 18
AB9
B
78 82Right-handed 310
Helix 19
AC1
B
102 118Right-handed alpha
Helix 20
AC2
B
135 149Right-handed alpha
Helix 21
AC3
B
161 176Right-handed alpha
Helix 22
AC4
B
192 196Right-handed 310
Helix 23
AC5
B
197 206Right-handed alpha
Helix 24
AC6
B
247 266Right-handed alpha
Helix 25
AC7
B
268 279Right-handed alpha
Helix 26
AC8
B
292 301Right-handed alpha
Helix 27
AC9
B
308 320Right-handed alpha
Helix 28
AD1
B
327 332Right-handed alpha
Helix 29
AD2
C
38 52Right-handed alpha
Helix 30
AD3
C
61 64Right-handed 310
Helix 31
AD4
C
65 76Right-handed alpha
Helix 32
AD5
C
78 82Right-handed 310
Helix 33
AD6
C
102 118Right-handed alpha
Helix 34
AD7
C
135 149Right-handed alpha
Helix 35
AD8
C
161 176Right-handed alpha
Helix 36
AD9
C
192 196Right-handed 310
Helix 37
AE1
C
197 206Right-handed alpha
Helix 38
AE2
C
247 266Right-handed alpha
Helix 39
AE3
C
268 279Right-handed alpha
Helix 40
AE4
C
292 301Right-handed alpha
Helix 41
AE5
C
308 320Right-handed alpha
Helix 42
AE6
C
327 332Right-handed alpha
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There are 6 sheets in PDB entry 4XK2. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6,

There are 2 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
3 5first strand
Strand 2
A
12 14anti-parallel
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There are 9 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
16 19first strand
Strand 2
A
55 59parallel
Strand 3
A
83 88parallel
Strand 4
A
122 127parallel
Strand 5
A
152 157parallel
Strand 6
A
180 186parallel
Strand 7
A
208 212parallel
Strand 8
A
283 288parallel
Strand 9
A
16 19parallel
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There are 2 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
3 5first strand
Strand 2
B
12 14anti-parallel
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There are 9 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
16 19first strand
Strand 2
B
55 59parallel
Strand 3
B
83 88parallel
Strand 4
B
122 127parallel
Strand 5
B
152 158parallel
Strand 6
B
180 186parallel
Strand 7
B
208 212parallel
Strand 8
B
283 288parallel
Strand 9
B
16 19parallel
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There are 2 strands in AA5 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
3 5first strand
Strand 2
C
12 14anti-parallel
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There are 9 strands in AA6 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
16 19first strand
Strand 2
C
55 59parallel
Strand 3
C
83 88parallel
Strand 4
C
122 127parallel
Strand 5
C
152 158parallel
Strand 6
C
180 186parallel
Strand 7
C
208 212parallel
Strand 8
C
283 288parallel
Strand 9
C
16 19parallel
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