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


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 4QPI entry

There are 3 chains in PDB entry 4QPI (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ASP 3MET 275
B
 GLU 5THR 221
C
 MET 1GLN 246
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 18 helices in PDB entry 4QPI. 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 50Right-handed 310
Helix 2
2
A
57 63Right-handed alpha
Helix 3
3
A
84 89Right-handed alpha
Helix 4
4
A
124 131Right-handed alpha
Helix 5
5
A
178 185Right-handed alpha
Helix 6
6
A
218 223Right-handed alpha
Helix 7
7
A
265 269Right-handed 310
Helix 8
8
B
52 58Right-handed alpha
Helix 9
9
B
82 88Right-handed alpha
Helix 10
10
B
94 99Right-handed alpha
Helix 11
11
B
137 144Right-handed 310
Helix 12
12
C
19 24Right-handed alpha
Helix 13
13
C
30 34Right-handed 310
Helix 14
14
C
40 44Right-handed 310
Helix 15
15
C
51 56Right-handed alpha
Helix 16
16
C
99 106Right-handed alpha
Helix 17
17
C
148 153Right-handed alpha
Helix 18
18
C
185 188Right-handed 310
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There are 12 sheets in PDB entry 4QPI. 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 2 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
41 43first strand
Strand 2
A
70 71anti-parallel
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There are 5 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
52 53first strand
Strand 2
C
168 173anti-parallel
Strand 3
C
108 122anti-parallel
Strand 4
C
219 236anti-parallel
Strand 5
C
59 67anti-parallel
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There are 4 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
52 53first strand
Strand 2
C
168 173anti-parallel
Strand 3
C
108 122anti-parallel
Strand 4
C
182 183anti-parallel
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There are 5 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
93 100first strand
Strand 2
A
243 251anti-parallel
Strand 3
A
141 149anti-parallel
Strand 4
A
197 202anti-parallel
Strand 5
C
27 28parallel
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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
A
106 112first strand
Strand 2
A
225 234anti-parallel
Strand 3
A
154 161anti-parallel
Strand 4
A
187 191anti-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
A
134 138first strand
Strand 2
A
256 260anti-parallel
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There are 2 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
15 19first strand
Strand 2
B
22 26anti-parallel
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There are 4 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
61 69first strand
Strand 2
B
199 216anti-parallel
Strand 3
B
101 114anti-parallel
Strand 4
B
156 161anti-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
B
61 69first strand
Strand 2
B
199 216anti-parallel
Strand 3
B
101 114anti-parallel
Strand 4
B
170 171anti-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
B
77 81first strand
Strand 2
B
180 192anti-parallel
Strand 3
B
120 130anti-parallel
Strand 4
B
146 150anti-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
C
75 80first strand
Strand 2
C
200 211anti-parallel
Strand 3
C
128 137anti-parallel
Strand 4
C
157 161anti-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
C
89 90first strand
Strand 2
C
95 96anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il