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


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 4HOK entry

There are 12 chains in PDB entry 4HOK (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 MET 1LYS 294
C
 GLU 2LYS 294
E
 MET 1LYS 294
G
 MET 1LYS 294
I
 MET 1LYS 294
K
 MET 1LYS 294
M
 ARG 4LYS 294
O
 MET 1LYS 294
Q
 MET 1LYS 294
S
 ARG 4LYS 294
U
 MET 1LEU 293
W
 GLU 2LYS 294
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 are147 helices in PDB entry 4HOK. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
48 59Right-handed alpha
Helix 2
2
A
88 96Right-handed alpha
Helix 3
3
A
101 121Right-handed alpha
Helix 4
4
A
130 132Right-handed 310
Helix 5
5
A
138 143Right-handed 310
Helix 6
6
A
181 186Right-handed alpha
Helix 7
7
A
191 209Right-handed alpha
Helix 8
8
A
220 235Right-handed alpha
Helix 9
9
A
236 241Right-handed alpha
Helix 10
10
A
246 258Right-handed alpha
Helix 11
11
A
265 281Right-handed alpha
Helix 12
12
A
288 292Right-handed 310
Helix 13
13
C
48 60Right-handed alpha
Helix 14
14
C
88 96Right-handed alpha
Helix 15
15
C
101 122Right-handed alpha
Helix 16
16
C
130 132Right-handed 310
Helix 17
17
C
138 142Right-handed 310
Helix 18
18
C
176 180Right-handed 310
Helix 19
19
C
181 186Right-handed alpha
Helix 20
20
C
191 209Right-handed alpha
Helix 21
21
C
220 235Right-handed alpha
Helix 22
22
C
236 241Right-handed alpha
Helix 23
23
C
245 258Right-handed alpha
Helix 24
24
C
265 280Right-handed alpha
Helix 25
25
C
288 292Right-handed 310
Helix 26
26
E
48 60Right-handed alpha
Helix 27
27
E
88 96Right-handed alpha
Helix 28
28
E
101 122Right-handed alpha
Helix 29
29
E
130 132Right-handed 310
Helix 30
30
E
138 142Right-handed 310
Helix 31
31
E
176 180Right-handed 310
Helix 32
32
E
181 187Right-handed alpha
Helix 33
33
E
191 209Right-handed alpha
Helix 34
34
E
220 235Right-handed alpha
Helix 35
35
E
236 241Right-handed alpha
Helix 36
36
E
246 258Right-handed alpha
Helix 37
37
E
265 280Right-handed alpha
Helix 38
38
E
288 292Right-handed 310
Helix 39
39
G
48 59Right-handed alpha
Helix 40
40
G
88 96Right-handed alpha
Helix 41
41
G
101 121Right-handed alpha
Helix 42
42
G
130 132Right-handed 310
Helix 43
43
G
138 142Right-handed 310
Helix 44
44
G
176 180Right-handed 310
Helix 45
45
G
181 186Right-handed alpha
Helix 46
46
G
191 209Right-handed alpha
Helix 47
47
G
220 235Right-handed alpha
Helix 48
48
G
236 241Right-handed alpha
Helix 49
49
G
246 258Right-handed alpha
Helix 50
50
G
265 280Right-handed alpha
Helix 51
51
G
288 292Right-handed 310
Helix 52
52
I
48 60Right-handed alpha
Helix 53
53
I
88 96Right-handed alpha
Helix 54
54
I
101 122Right-handed alpha
Helix 55
55
I
130 132Right-handed 310
Helix 56
56
I
138 143Right-handed 310
Helix 57
57
I
181 186Right-handed alpha
Helix 58
58
I
191 209Right-handed alpha
Helix 59
59
I
220 234Right-handed alpha
Helix 60
60
I
236 241Right-handed alpha
Helix 61
61
I
246 258Right-handed alpha
Helix 62
62
I
265 280Right-handed alpha
Helix 63
63
I
288 292Right-handed 310
Helix 64
64
K
48 60Right-handed alpha
Helix 65
65
K
88 96Right-handed alpha
Helix 66
66
K
101 122Right-handed alpha
Helix 67
67
K
130 132Right-handed 310
Helix 68
68
K
138 143Right-handed 310
Helix 69
69
K
176 180Right-handed 310
Helix 70
70
K
181 186Right-handed alpha
Helix 71
71
K
191 209Right-handed alpha
Helix 72
72
K
220 234Right-handed alpha
Helix 73
73
K
236 241Right-handed alpha
Helix 74
74
K
245 257Right-handed alpha
Helix 75
75
K
265 280Right-handed alpha
Helix 76
76
K
288 292Right-handed 310
Helix 77
77
M
48 59Right-handed alpha
Helix 78
78
M
88 96Right-handed alpha
Helix 79
79
M
101 122Right-handed alpha
Helix 80
80
M
130 132Right-handed 310
Helix 81
81
M
149 153Right-handed 310
Helix 82
82
M
181 186Right-handed alpha
Helix 83
83
M
191 209Right-handed alpha
Helix 84
84
M
221 235Right-handed alpha
Helix 85
85
M
236 242Right-handed alpha
Helix 86
86
M
245 257Right-handed alpha
Helix 87
87
M
265 280Right-handed alpha
Helix 88
88
M
288 292Right-handed 310
Helix 89
89
O
48 59Right-handed alpha
Helix 90
90
O
88 96Right-handed alpha
Helix 91
91
O
101 122Right-handed alpha
Helix 92
92
O
130 132Right-handed 310
Helix 93
93
O
138 142Right-handed 310
Helix 94
94
O
181 187Right-handed alpha
Helix 95
95
O
191 209Right-handed alpha
Helix 96
96
O
220 235Right-handed alpha
Helix 97
97
O
236 241Right-handed alpha
Helix 98
98
O
246 258Right-handed alpha
Helix 99
99
O
265 280Right-handed alpha
Helix 100
100
O
288 292Right-handed 310
Helix 101
101
Q
48 59Right-handed alpha
Helix 102
102
Q
88 96Right-handed alpha
Helix 103
103
Q
101 122Right-handed alpha
Helix 104
104
Q
130 132Right-handed 310
Helix 105
105
Q
138 142Right-handed 310
Helix 106
106
Q
181 186Right-handed alpha
Helix 107
107
Q
191 209Right-handed alpha
Helix 108
108
Q
220 235Right-handed alpha
Helix 109
109
Q
236 241Right-handed alpha
Helix 110
110
Q
246 258Right-handed alpha
Helix 111
111
Q
265 281Right-handed alpha
Helix 112
112
Q
288 292Right-handed 310
Helix 113
113
S
48 59Right-handed alpha
Helix 114
114
S
88 96Right-handed alpha
Helix 115
115
S
101 122Right-handed alpha
Helix 116
116
S
130 132Right-handed 310
Helix 117
117
S
138 143Right-handed 310
Helix 118
118
S
176 180Right-handed 310
Helix 119
119
S
181 186Right-handed alpha
Helix 120
120
S
191 209Right-handed alpha
Helix 121
121
S
220 235Right-handed alpha
Helix 122
122
S
236 241Right-handed alpha
Helix 123
123
S
246 258Right-handed alpha
Helix 124
124
S
265 281Right-handed alpha
Helix 125
125
S
288 292Right-handed 310
Helix 126
126
U
48 59Right-handed alpha
Helix 127
127
U
88 96Right-handed alpha
Helix 128
128
U
101 121Right-handed alpha
Helix 129
129
U
130 132Right-handed 310
Helix 130
130
U
140 143Right-handed 310
Helix 131
131
U
176 180Right-handed 310
Helix 132
132
U
181 187Right-handed alpha
Helix 133
133
U
191 208Right-handed alpha
Helix 134
134
U
220 235Right-handed alpha
Helix 135
135
U
245 258Right-handed alpha
Helix 136
136
U
265 281Right-handed alpha
Helix 137
137
U
288 292Right-handed 310
Helix 138
138
W
48 59Right-handed alpha
Helix 139
139
W
89 96Right-handed alpha
Helix 140
140
W
101 122Right-handed alpha
Helix 141
141
W
176 180Right-handed 310
Helix 142
142
W
181 187Right-handed alpha
Helix 143
143
W
191 209Right-handed alpha
Helix 144
144
W
220 235Right-handed alpha
Helix 145
145
W
236 241Right-handed alpha
Helix 146
146
W
246 258Right-handed alpha
Helix 147
147
W
265 280Right-handed alpha
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There are 37 sheets in PDB entry 4HOK. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z, AA, AB, AC, AD, AE, AF, AG, AH, AI, AJ, AK,

There are 6 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
4 5first strand
Strand 2
A
9 16anti-parallel
Strand 3
A
23 28anti-parallel
Strand 4
A
34 41anti-parallel
Strand 5
A
77 83anti-parallel
Strand 6
A
68 74anti-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
124 125first strand
Strand 2
A
154 155anti-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
134 136first strand
Strand 2
A
145 147anti-parallel
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There are 6 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
4 5first strand
Strand 2
C
9 16anti-parallel
Strand 3
C
23 28anti-parallel
Strand 4
C
34 41anti-parallel
Strand 5
C
77 83anti-parallel
Strand 6
C
68 74anti-parallel
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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
124 125first strand
Strand 2
C
154 155anti-parallel
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There are 2 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
134 136first strand
Strand 2
C
145 147anti-parallel
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There are 6 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
E
4 5first strand
Strand 2
E
9 16anti-parallel
Strand 3
E
23 28anti-parallel
Strand 4
E
34 41anti-parallel
Strand 5
E
77 82anti-parallel
Strand 6
E
68 74anti-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
E
124 125first strand
Strand 2
E
154 155anti-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
E
134 136first strand
Strand 2
E
145 147anti-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
G
4 5first strand
Strand 2
G
9 16anti-parallel
Strand 3
G
23 27anti-parallel
Strand 4
G
34 41anti-parallel
Strand 5
G
77 83anti-parallel
Strand 6
G
68 74anti-parallel
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There are 2 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
124 125first strand
Strand 2
G
154 155anti-parallel
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There are 2 strands in L sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
G
134 136first strand
Strand 2
G
145 147anti-parallel
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There are 6 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
I
4 5first strand
Strand 2
I
9 16anti-parallel
Strand 3
I
23 28anti-parallel
Strand 4
I
34 41anti-parallel
Strand 5
I
77 83anti-parallel
Strand 6
I
68 74anti-parallel
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There are 2 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
I
124 125first strand
Strand 2
I
154 155anti-parallel
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There are 2 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
I
134 136first strand
Strand 2
I
145 147anti-parallel
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There are 5 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
K
10 16first strand
Strand 2
K
23 27anti-parallel
Strand 3
K
34 41anti-parallel
Strand 4
K
77 83anti-parallel
Strand 5
K
68 74anti-parallel
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There are 2 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
K
124 125first strand
Strand 2
K
154 155anti-parallel
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There are 2 strands in R sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
K
134 136first strand
Strand 2
K
145 147anti-parallel
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There are 5 strands in S sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
M
9 10first strand
Strand 2
M
23 28anti-parallel
Strand 3
M
35 41anti-parallel
Strand 4
M
77 82anti-parallel
Strand 5
M
68 74anti-parallel
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There are 2 strands in T sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
M
124 125first strand
Strand 2
M
154 155anti-parallel
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There are 2 strands in U sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
M
134 136first strand
Strand 2
M
145 147anti-parallel
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There are 6 strands in V sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
O
4 5first strand
Strand 2
O
9 16anti-parallel
Strand 3
O
23 28anti-parallel
Strand 4
O
34 41anti-parallel
Strand 5
O
77 83anti-parallel
Strand 6
O
68 74anti-parallel
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There are 2 strands in W sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
O
124 125first strand
Strand 2
O
154 155anti-parallel
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There are 2 strands in X sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
O
134 136first strand
Strand 2
O
145 147anti-parallel
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There are 5 strands in Y sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
Q
9 16first strand
Strand 2
Q
23 28anti-parallel
Strand 3
Q
34 41anti-parallel
Strand 4
Q
77 82anti-parallel
Strand 5
Q
68 70anti-parallel
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There are 5 strands in Z sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
Q
9 16first strand
Strand 2
Q
23 28anti-parallel
Strand 3
Q
34 41anti-parallel
Strand 4
Q
77 82anti-parallel
Strand 5
Q
73 74anti-parallel
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There are 2 strands in AA sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
Q
124 125first strand
Strand 2
Q
154 155anti-parallel
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There are 2 strands in AB sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
Q
134 136first strand
Strand 2
Q
145 147anti-parallel
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There are 5 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
S
9 14first strand
Strand 2
S
23 28anti-parallel
Strand 3
S
34 41anti-parallel
Strand 4
S
77 82anti-parallel
Strand 5
S
68 70anti-parallel
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There are 2 strands in AD sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
S
124 125first strand
Strand 2
S
154 155anti-parallel
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There are 2 strands in AE sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
S
134 136first strand
Strand 2
S
145 147anti-parallel
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There are 6 strands in AF sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
U
4 5first strand
Strand 2
U
9 10anti-parallel
Strand 3
U
24 28anti-parallel
Strand 4
U
34 41anti-parallel
Strand 5
U
77 82anti-parallel
Strand 6
U
68 74anti-parallel
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There are 2 strands in AG sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
U
124 125first strand
Strand 2
U
154 155anti-parallel
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There are 2 strands in AH sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
U
134 136first strand
Strand 2
U
145 147anti-parallel
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There are 4 strands in AI sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
W
9 14first strand
Strand 2
W
24 28anti-parallel
Strand 3
W
34 38anti-parallel
Strand 4
W
80 83anti-parallel
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There are 2 strands in AJ sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
W
86 88first strand
Strand 2
W
135 136anti-parallel
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There are 2 strands in AK sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
W
124 125first strand
Strand 2
W
154 155anti-parallel
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