Analysis of interatomic Contacts of Structural Units in PDB entry:
1Q90


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 1Q90 entry

There are 9 chains in PDB entry 1Q90 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 TYR 1HIS 292
B
 VAL 4LEU 215
C
 GLN 80ALA 206
D
 THR 4LEU 159
R
 SER 33PRO 71
G
 MET 1LEU 30
L
 MET 1ILE 32
M
 GLU 62GLU 95
N
 GLY 68LEU 98
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 34 helices in PDB entry 1Q90. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
1 9Right-handed alpha
Helix 2
2
A
20 25Right-handed alpha
Helix 3
3
A
85 89Right-handed 310
Helix 4
4
A
90 98Right-handed alpha
Helix 5
5
A
248 284Right-handed alpha
Helix 6
6
A
285 290Right-handed alpha
Helix 7
7
B
4 13Right-handed alpha
Helix 8
8
B
13 24Right-handed alpha
Helix 9
9
B
32 34Right-handed 310
Helix 10
10
B
35 55Right-handed alpha
Helix 11
11
B
64 75Right-handed alpha
Helix 12
12
B
78 106Right-handed alpha
Helix 13
13
B
114 138Right-handed alpha
Helix 14
14
B
141 154Right-handed alpha
Helix 15
15
B
155 158Right-handed 310
Helix 16
16
B
160 171Right-handed alpha
Helix 17
17
B
176 189Right-handed alpha
Helix 18
18
B
189 210Right-handed alpha
Helix 19
19
C
91 99Right-handed alpha
Helix 20
20
C
109 113Right-handed 310
Helix 21
21
D
11 21Right-handed alpha
Helix 22
22
D
23 27Right-handed 310
Helix 23
23
D
38 58Right-handed alpha
Helix 24
24
D
78 80Right-handed 310
Helix 25
25
D
81 91Right-handed alpha
Helix 26
26
D
93 109Right-handed alpha
Helix 27
27
D
122 125Right-handed 310
Helix 28
28
D
126 147Right-handed alpha
Helix 29
29
D
150 155Right-handed alpha
Helix 30
30
R
38 69Right-handed alpha
Helix 31
31
G
3 30Right-handed alpha
Helix 32
32
L
1 27Right-handed alpha
Helix 33
33
M
62 94Right-handed alpha
Helix 34
34
N
70 96Right-handed alpha
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There are 7 sheets in PDB entry 1Q90. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G,

There are 4 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
32 34first strand
Strand 2
A
44 50anti-parallel
Strand 3
A
125 131anti-parallel
Strand 4
A
82 83anti-parallel
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There are 6 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
38 39first strand
Strand 2
A
236 246parallel
Strand 3
A
145 154anti-parallel
Strand 4
A
70 76anti-parallel
Strand 5
A
112 119anti-parallel
Strand 6
A
103 104anti-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
59 60first strand
Strand 2
A
66 67anti-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
A
203 208first strand
Strand 2
A
192 197anti-parallel
Strand 3
A
177 184anti-parallel
Strand 4
A
221 222anti-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
B
25 26first strand
Strand 2
D
29 30anti-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
C
104 105first strand
Strand 2
C
115 118anti-parallel
Strand 3
C
128 131anti-parallel
Strand 4
C
176 180anti-parallel
Strand 5
C
188 191anti-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
C
143 144first strand
Strand 2
C
149 151anti-parallel
Strand 3
C
158 160anti-parallel
Strand 4
C
165 167anti-parallel
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