Analysis of interatomic Contacts of Structural Units in PDB entry:
4K81


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 4K81 entry

There are 6 chains in PDB entry 4K81 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
LYS 106GLY 356
B
GLY -4HIS 166
C
LYS 106GLY 356
D
GLY -4HIS 166
E
LYS 106GLY 356
F
GLY -4VAL 152
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 54 helices in PDB entry 4K81. Click on helix of interest for CSU analysis.
Helix
number
Helix
ID
Chain
ID
Initial
residue
Terminal
residue
Helix class
Helix 1
1
A
129 142Right-handed alpha
Helix 2
2
A
169 176Right-handed alpha
Helix 3
3
A
194 199Right-handed alpha
Helix 4
4
A
220 230Right-handed alpha
Helix 5
5
A
326 343Right-handed alpha
Helix 6
6
A
343 352Right-handed alpha
Helix 7
7
B
15 26Right-handed alpha
Helix 8
8
B
61 66Right-handed 310
Helix 9
9
B
67 75Right-handed alpha
Helix 10
10
B
86 105Right-handed alpha
Helix 11
11
B
126 138Right-handed alpha
Helix 12
12
B
151 166Right-handed alpha
Helix 13
13
C
129 141Right-handed alpha
Helix 14
14
C
169 176Right-handed alpha
Helix 15
15
C
177 182Right-handed 310
Helix 16
16
C
194 199Right-handed alpha
Helix 17
17
C
205 207Right-handed 310
Helix 18
18
C
222 230Right-handed alpha
Helix 19
19
C
273 275Right-handed 310
Helix 20
20
C
326 343Right-handed alpha
Helix 21
21
C
343 352Right-handed alpha
Helix 22
22
D
15 26Right-handed alpha
Helix 23
23
D
61 65Right-handed 310
Helix 24
24
D
67 75Right-handed alpha
Helix 25
25
D
86 104Right-handed alpha
Helix 26
26
D
126 138Right-handed alpha
Helix 27
27
D
151 166Right-handed alpha
Helix 28
28
E
129 141Right-handed alpha
Helix 29
29
E
169 176Right-handed alpha
Helix 30
30
E
177 182Right-handed 310
Helix 31
31
E
194 199Right-handed alpha
Helix 32
32
E
205 207Right-handed 310
Helix 33
33
E
220 229Right-handed alpha
Helix 34
34
E
326 343Right-handed alpha
Helix 35
35
E
343 352Right-handed alpha
Helix 36
36
F
15 26Right-handed alpha
Helix 37
37
F
61 66Right-handed 310
Helix 38
38
F
67 75Right-handed alpha
Helix 39
39
F
86 105Right-handed alpha
Helix 40
40
F
126 138Right-handed alpha
Helix 41
41
F
151 166Right-handed alpha
Helix 42
42
G
129 141Right-handed alpha
Helix 43
43
G
169 175Right-handed alpha
Helix 44
44
G
194 199Right-handed alpha
Helix 45
45
G
220 230Right-handed alpha
Helix 46
46
G
246 248Right-handed 310
Helix 47
47
G
273 277Right-handed 310
Helix 48
48
G
326 343Right-handed alpha
Helix 49
49
G
343 352Right-handed alpha
Helix 50
50
H
15 26Right-handed alpha
Helix 51
51
H
67 75Right-handed alpha
Helix 52
52
H
86 104Right-handed alpha
Helix 53
53
H
126 138Right-handed alpha
Helix 54
54
H
151 165Right-handed alpha
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There are 12 sheets in PDB entry 4K81. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L,

There are 10 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
119 125first strand
Strand 2
A
107 113anti-parallel
Strand 3
A
184 189parallel
Strand 4
A
149 155anti-parallel
Strand 5
A
160 163anti-parallel
Strand 6
A
286 291anti-parallel
Strand 7
A
305 310anti-parallel
Strand 8
A
320 323anti-parallel
Strand 9
A
236 244anti-parallel
Strand 10
A
209 210anti-parallel
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There are 12 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
119 125first strand
Strand 2
A
107 113anti-parallel
Strand 3
A
184 189parallel
Strand 4
A
149 155anti-parallel
Strand 5
A
160 163anti-parallel
Strand 6
A
286 291anti-parallel
Strand 7
A
305 310anti-parallel
Strand 8
A
320 323anti-parallel
Strand 9
A
236 244anti-parallel
Strand 10
A
251 259anti-parallel
Strand 11
A
262 266anti-parallel
Strand 12
A
277 281anti-parallel
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There are 6 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
B
37 46first strand
Strand 2
B
49 58anti-parallel
Strand 3
B
-2 9parallel
Strand 4
D
-2 9anti-parallel
Strand 5
D
49 58parallel
Strand 6
D
37 46anti-parallel
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There are 8 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
B
141 143first strand
Strand 2
B
111 116parallel
Strand 3
B
77 83parallel
Strand 4
B
-2 9parallel
Strand 5
D
-2 9anti-parallel
Strand 6
D
77 83parallel
Strand 7
D
111 116parallel
Strand 8
D
141 143parallel
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There are 2 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
C
107 113first strand
Strand 2
C
119 125anti-parallel
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There are 8 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
C
184 189first strand
Strand 2
C
149 155anti-parallel
Strand 3
C
160 163anti-parallel
Strand 4
C
286 291anti-parallel
Strand 5
C
305 310anti-parallel
Strand 6
C
320 323anti-parallel
Strand 7
C
236 244anti-parallel
Strand 8
C
209 210anti-parallel
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There are 10 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
C
184 189first strand
Strand 2
C
149 155anti-parallel
Strand 3
C
160 163anti-parallel
Strand 4
C
286 291anti-parallel
Strand 5
C
305 310anti-parallel
Strand 6
C
320 323anti-parallel
Strand 7
C
236 244anti-parallel
Strand 8
C
251 259anti-parallel
Strand 9
C
262 266anti-parallel
Strand 10
C
277 281anti-parallel
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There are 10 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
E
119 125first strand
Strand 2
E
107 113anti-parallel
Strand 3
E
184 189parallel
Strand 4
E
149 155anti-parallel
Strand 5
E
160 163anti-parallel
Strand 6
E
286 291anti-parallel
Strand 7
E
305 310anti-parallel
Strand 8
E
320 323anti-parallel
Strand 9
E
236 244anti-parallel
Strand 10
E
209 210anti-parallel
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There are 12 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
E
119 125first strand
Strand 2
E
107 113anti-parallel
Strand 3
E
184 189parallel
Strand 4
E
149 155anti-parallel
Strand 5
E
160 163anti-parallel
Strand 6
E
286 291anti-parallel
Strand 7
E
305 310anti-parallel
Strand 8
E
320 323anti-parallel
Strand 9
E
236 244anti-parallel
Strand 10
E
251 259anti-parallel
Strand 11
E
262 266anti-parallel
Strand 12
E
277 281anti-parallel
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There are 6 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
F
37 46first strand
Strand 2
F
49 58anti-parallel
Strand 3
F
2 10parallel
Strand 4
F
77 83parallel
Strand 5
F
111 116parallel
Strand 6
F
141 143parallel
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There are 12 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
G
119 124first strand
Strand 2
G
108 113anti-parallel
Strand 3
G
184 189parallel
Strand 4
G
149 155anti-parallel
Strand 5
G
160 163anti-parallel
Strand 6
G
286 291anti-parallel
Strand 7
G
305 310anti-parallel
Strand 8
G
320 323anti-parallel
Strand 9
G
237 244anti-parallel
Strand 10
G
251 259anti-parallel
Strand 11
G
262 266anti-parallel
Strand 12
G
278 281anti-parallel
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There are 6 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number
Chain
ID
Initial
residue
Terminal
residue
Strand sense
Strand 1
H
37 46first strand
Strand 2
H
49 58anti-parallel
Strand 3
H
2 10parallel
Strand 4
H
77 83parallel
Strand 5
H
111 116parallel
Strand 6
H
141 144parallel
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