Analysis of interatomic Contacts of Structural Units in PDB entry:
4IV3


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 4IV3 entry

There are 4 chains in PDB entry 4IV3 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 THR 12LYS 210
B
 ASP 12GLU 218
C
 GLY 1GLN 221
D
 PHE 80ALA 85
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 14 helices in PDB entry 4IV3. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
14 19Right-handed 310
Helix 2
2
A
27 30Right-handed 310
Helix 3
3
A
31 37Right-handed alpha
Helix 4
4
A
52 56Right-handed 310
Helix 5
5
A
60 68Right-handed alpha
Helix 6
6
A
94 100Right-handed 310
Helix 7
7
B
45 49Right-handed 310
Helix 8
8
B
56 59Right-handed 310
Helix 9
9
B
89 98Right-handed alpha
Helix 10
10
B
135 143Right-handed 310
Helix 11
11
C
43 51Right-handed alpha
Helix 12
12
C
83 87Right-handed 310
Helix 13
13
C
89 96Right-handed alpha
Helix 14
14
C
136 141Right-handed alpha
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There are 11 sheets in PDB entry 4IV3. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K,

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
39 41first strand
Strand 2
A
171 187anti-parallel
Strand 3
A
69 83anti-parallel
Strand 4
A
113 117anti-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
A
39 41first strand
Strand 2
A
171 187anti-parallel
Strand 3
A
69 83anti-parallel
Strand 4
A
126 127anti-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
48 50first strand
Strand 2
A
166 168anti-parallel
Strand 3
A
86 89anti-parallel
Strand 4
A
105 106anti-parallel
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There are 2 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
15 19first strand
Strand 2
B
22 26anti-parallel
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There are 5 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
33 34first strand
Strand 2
B
155 160parallel
Strand 3
B
101 112anti-parallel
Strand 4
B
197 210anti-parallel
Strand 5
B
53 54anti-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
B
33 34first strand
Strand 2
B
155 160parallel
Strand 3
B
101 112anti-parallel
Strand 4
B
197 210anti-parallel
Strand 5
B
62 69anti-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
B
78 82first strand
Strand 2
B
177 188anti-parallel
Strand 3
B
118 127anti-parallel
Strand 4
B
145 148anti-parallel
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There are 3 strands in H sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
C
53 54first strand
Strand 2
C
200 206anti-parallel
Strand 3
C
63 64anti-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
C
53 54first strand
Strand 2
C
200 206anti-parallel
Strand 3
C
105 111anti-parallel
Strand 4
C
155 160anti-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
C
72 78first strand
Strand 2
C
184 193anti-parallel
Strand 3
C
118 126anti-parallel
Strand 4
C
144 149anti-parallel
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There are 3 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
169 170first strand
Strand 2
C
98 102anti-parallel
Strand 3
C
211 215anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il