Analysis of interatomic Contacts of Structural Units in PDB entry:
4K91


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 4K91 entry

There are 2 chains in PDB entry 4K91 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 GLU 3GLY 344
B
 SER 4GLY 345
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 24 helices in PDB entry 4K91. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
39 41Right-handed 310
Helix 2
2
A
42 57Right-handed alpha
Helix 3
3
A
69 74Right-handed alpha
Helix 4
4
A
90 101Right-handed alpha
Helix 5
5
A
102 115Right-handed alpha
Helix 6
6
A
116 132Right-handed alpha
Helix 7
7
A
152 165Right-handed alpha
Helix 8
8
A
167 172Right-handed alpha
Helix 9
9
A
173 176Right-handed 310
Helix 10
10
A
191 196Right-handed alpha
Helix 11
11
A
234 252Right-handed alpha
Helix 12
12
A
294 296Right-handed 310
Helix 13
13
B
39 42Right-handed 310
Helix 14
14
B
43 57Right-handed alpha
Helix 15
15
B
69 74Right-handed alpha
Helix 16
16
B
90 101Right-handed alpha
Helix 17
17
B
102 115Right-handed alpha
Helix 18
18
B
116 132Right-handed alpha
Helix 19
19
B
152 165Right-handed alpha
Helix 20
20
B
167 172Right-handed alpha
Helix 21
21
B
173 176Right-handed 310
Helix 22
22
B
190 196Right-handed alpha
Helix 23
23
B
234 252Right-handed alpha
Helix 24
24
B
294 296Right-handed 310
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There are 11 sheets in PDB entry 4K91. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K,

There are 5 strands in A sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
27 31first strand
Strand 2
A
16 21anti-parallel
Strand 3
A
223 232anti-parallel
Strand 4
A
211 220anti-parallel
Strand 5
A
199 207anti-parallel
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There are 2 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
65 67first strand
Strand 2
A
87 89anti-parallel
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There are 2 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
178 181first strand
Strand 2
A
184 187anti-parallel
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There are 2 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
253 259first strand
Strand 2
A
286 291anti-parallel
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There are 5 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
266 269first strand
Strand 2
A
277 282anti-parallel
Strand 3
A
335 337anti-parallel
Strand 4
A
317 325anti-parallel
Strand 5
A
298 303anti-parallel
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There are 5 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
266 269first strand
Strand 2
A
277 282anti-parallel
Strand 3
A
335 337anti-parallel
Strand 4
A
317 325anti-parallel
Strand 5
A
329 332anti-parallel
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There are 5 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
27 31first strand
Strand 2
B
16 21anti-parallel
Strand 3
B
223 232anti-parallel
Strand 4
B
211 220anti-parallel
Strand 5
B
199 207anti-parallel
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There are 2 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
65 67first strand
Strand 2
B
87 89anti-parallel
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There are 2 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
178 181first strand
Strand 2
B
184 187anti-parallel
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There are 2 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
253 259first strand
Strand 2
B
286 291anti-parallel
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There are 5 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
264 269first strand
Strand 2
B
277 282anti-parallel
Strand 3
B
328 337anti-parallel
Strand 4
B
317 325anti-parallel
Strand 5
B
298 304anti-parallel
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