Analysis of interatomic Contacts of Structural Units in PDB entry:
3IT3


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 3IT3 entry

There are 2 chains in PDB entry 3IT3 (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 6HIS 342
B
 SER 5HIS 342
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 22 helices in PDB entry 3IT3. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
1
A
41 60Right-handed alpha
Helix 2
2
A
82 97Right-handed alpha
Helix 3
3
A
112 116Right-handed 310
Helix 4
4
A
134 146Right-handed alpha
Helix 5
5
A
149 160Right-handed alpha
Helix 6
6
A
162 171Right-handed alpha
Helix 7
7
A
176 193Right-handed alpha
Helix 8
8
A
202 222Right-handed alpha
Helix 9
9
A
223 247Right-handed alpha
Helix 10
10
A
260 271Right-handed alpha
Helix 11
11
A
320 335Right-handed alpha
Helix 12
12
B
41 60Right-handed alpha
Helix 13
13
B
82 97Right-handed alpha
Helix 14
14
B
112 116Right-handed 310
Helix 15
15
B
134 146Right-handed alpha
Helix 16
16
B
149 160Right-handed alpha
Helix 17
17
B
162 171Right-handed alpha
Helix 18
18
B
176 193Right-handed alpha
Helix 19
19
B
202 222Right-handed alpha
Helix 20
20
B
223 247Right-handed alpha
Helix 21
21
B
260 271Right-handed alpha
Helix 22
22
B
320 335Right-handed alpha
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There are 5 sheets in PDB entry 3IT3. Click on sheet of interest to get list of strands forming it: A, B, C, D, E,

There are 7 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
122 123first strand
Strand 2
A
75 79parallel
Strand 3
A
254 259parallel
Strand 4
A
7 16parallel
Strand 5
A
284 292anti-parallel
Strand 6
A
295 302anti-parallel
Strand 7
A
305 306anti-parallel
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There are 7 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
122 123first strand
Strand 2
A
75 79parallel
Strand 3
A
254 259parallel
Strand 4
A
7 16parallel
Strand 5
A
284 292anti-parallel
Strand 6
A
295 302anti-parallel
Strand 7
A
318 319anti-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
104 105first strand
Strand 2
A
109 110anti-parallel
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There are 7 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
122 123first strand
Strand 2
B
75 79parallel
Strand 3
B
254 259parallel
Strand 4
B
7 16parallel
Strand 5
B
284 292anti-parallel
Strand 6
B
295 302anti-parallel
Strand 7
B
305 306anti-parallel
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There are 7 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
122 123first strand
Strand 2
B
75 79parallel
Strand 3
B
254 259parallel
Strand 4
B
7 16parallel
Strand 5
B
284 292anti-parallel
Strand 6
B
295 302anti-parallel
Strand 7
B
318 319anti-parallel
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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il