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


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 4QHU entry

There are 6 chains in PDB entry 4QHU (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
L
 VAL 3THR 211
H
 GLN 1LYS 216
A
 VAL 3THR 211
B
 GLN 1LYS 216
C
 CYS 10VAL 128
D
 ARG 20VAL 128
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 23 helices in PDB entry 4QHU. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
L
26 30Right-handed 310
Helix 2
2
L
78 82Right-handed 310
Helix 3
3
L
123 129Right-handed alpha
Helix 4
4
L
183 190Right-handed alpha
Helix 5
5
H
28 32Right-handed 310
Helix 6
6
H
62 65Right-handed 310
Helix 7
7
H
87 91Right-handed 310
Helix 8
8
H
158 160Right-handed 310
Helix 9
9
H
189 191Right-handed 310
Helix 10
10
H
203 206Right-handed 310
Helix 11
11
A
26 30Right-handed 310
Helix 12
12
A
78 82Right-handed 310
Helix 13
13
A
123 129Right-handed alpha
Helix 14
14
A
183 189Right-handed alpha
Helix 15
15
B
28 32Right-handed 310
Helix 16
16
B
74 76Right-handed 310
Helix 17
17
B
87 91Right-handed 310
Helix 18
18
B
158 160Right-handed 310
Helix 19
19
B
189 193Right-handed 310
Helix 20
20
B
203 206Right-handed 310
Helix 21
21
C
11 17Right-handed 310
Helix 22
22
C
42 47Right-handed alpha
Helix 23
23
D
42 47Right-handed alpha
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There are 29 sheets in PDB entry 4QHU. 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,

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
L
9 12first strand
Strand 2
L
103 107parallel
Strand 3
L
84 91anti-parallel
Strand 4
L
33 37anti-parallel
Strand 5
L
44 47anti-parallel
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There are 4 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
9 12first strand
Strand 2
L
103 107parallel
Strand 3
L
84 91anti-parallel
Strand 4
L
96 99anti-parallel
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There are 3 strands in C sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
18 23first strand
Strand 2
L
69 74anti-parallel
Strand 3
L
61 66anti-parallel
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There are 4 strands in D sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
116 120first strand
Strand 2
L
132 141anti-parallel
Strand 3
L
174 182anti-parallel
Strand 4
L
161 163anti-parallel
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There are 4 strands in E sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
116 120first strand
Strand 2
L
132 141anti-parallel
Strand 3
L
174 182anti-parallel
Strand 4
L
167 168anti-parallel
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There are 4 strands in F sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
L
155 157first strand
Strand 2
L
147 152anti-parallel
Strand 3
L
193 199anti-parallel
Strand 4
L
202 208anti-parallel
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There are 4 strands in G sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
3 7first strand
Strand 2
H
18 25anti-parallel
Strand 3
H
78 83anti-parallel
Strand 4
H
68 73anti-parallel
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There are 6 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
11 12first strand
Strand 2
H
109 113parallel
Strand 3
H
92 98anti-parallel
Strand 4
H
34 39anti-parallel
Strand 5
H
45 51anti-parallel
Strand 6
H
58 60anti-parallel
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There are 4 strands in I sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
11 12first strand
Strand 2
H
109 113parallel
Strand 3
H
92 98anti-parallel
Strand 4
H
104 105anti-parallel
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There are 4 strands in J sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
122 126first strand
Strand 2
H
137 147anti-parallel
Strand 3
H
178 187anti-parallel
Strand 4
H
165 167anti-parallel
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There are 4 strands in K sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
H
122 126first strand
Strand 2
H
137 147anti-parallel
Strand 3
H
178 187anti-parallel
Strand 4
H
171 172anti-parallel
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There are 3 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
153 156first strand
Strand 2
H
197 202anti-parallel
Strand 3
H
207 212anti-parallel
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There are 5 strands in M sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
9 12first strand
Strand 2
A
103 107parallel
Strand 3
A
83 91anti-parallel
Strand 4
A
32 37anti-parallel
Strand 5
A
44 47anti-parallel
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There are 4 strands in N sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
9 12first strand
Strand 2
A
103 107parallel
Strand 3
A
83 91anti-parallel
Strand 4
A
96 99anti-parallel
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There are 3 strands in O sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
18 23first strand
Strand 2
A
69 74anti-parallel
Strand 3
A
61 66anti-parallel
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There are 4 strands in P sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
116 120first strand
Strand 2
A
132 141anti-parallel
Strand 3
A
174 182anti-parallel
Strand 4
A
161 163anti-parallel
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There are 4 strands in Q sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
116 120first strand
Strand 2
A
132 141anti-parallel
Strand 3
A
174 182anti-parallel
Strand 4
A
167 168anti-parallel
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There are 4 strands in R sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
155 157first strand
Strand 2
A
147 152anti-parallel
Strand 3
A
193 199anti-parallel
Strand 4
A
202 208anti-parallel
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There are 4 strands in S sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
3 7first strand
Strand 2
B
18 25anti-parallel
Strand 3
B
78 83anti-parallel
Strand 4
B
68 73anti-parallel
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There are 6 strands in T sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
10 12first strand
Strand 2
B
109 113parallel
Strand 3
B
92 98anti-parallel
Strand 4
B
34 39anti-parallel
Strand 5
B
46 51anti-parallel
Strand 6
B
58 60anti-parallel
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There are 4 strands in U sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
10 12first strand
Strand 2
B
109 113parallel
Strand 3
B
92 98anti-parallel
Strand 4
B
104 105anti-parallel
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There are 4 strands in V sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
122 126first strand
Strand 2
B
137 147anti-parallel
Strand 3
B
178 187anti-parallel
Strand 4
B
165 167anti-parallel
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There are 4 strands in W sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
122 126first strand
Strand 2
B
137 147anti-parallel
Strand 3
B
178 187anti-parallel
Strand 4
B
171 172anti-parallel
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There are 3 strands in X sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
153 156first strand
Strand 2
B
197 202anti-parallel
Strand 3
B
207 212anti-parallel
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There are 8 strands in Y sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
61 62first strand
Strand 2
C
88 101anti-parallel
Strand 3
C
110 124anti-parallel
Strand 4
D
22 26parallel
Strand 5
C
21 30anti-parallel
Strand 6
D
109 124parallel
Strand 7
D
88 101anti-parallel
Strand 8
D
61 62anti-parallel
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There are 2 strands in Z sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
51 57first strand
Strand 2
C
65 71anti-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
C
76 77first strand
Strand 2
C
83 84anti-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
D
51 57first strand
Strand 2
D
65 71anti-parallel
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There are 2 strands in AC sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
D
76 77first strand
Strand 2
D
83 84anti-parallel
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