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


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 4IIT entry

There are 3 chains in PDB entry 4IIT (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 SER 1LYS 302
B
 LYS 3PRO 65
C
 ASN 5TRP 251
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 30 helices in PDB entry 4IIT. 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 13Right-handed alpha
Helix 2
2
A
24 45Right-handed alpha
Helix 3
3
A
45 51Right-handed alpha
Helix 4
4
A
52 56Right-handed 310
Helix 5
5
A
58 85Right-handed alpha
Helix 6
6
A
89 99Right-handed alpha
Helix 7
7
A
105 110Right-handed 310
Helix 8
8
A
115 136Right-handed alpha
Helix 9
9
A
141 171Right-handed alpha
Helix 10
10
A
173 194Right-handed alpha
Helix 11
11
A
206 211Right-handed alpha
Helix 12
12
A
217 236Right-handed alpha
Helix 13
13
A
260 269Right-handed alpha
Helix 14
14
A
274 289Right-handed alpha
Helix 15
15
A
289 302Right-handed alpha
Helix 16
16
B
31 43Right-handed alpha
Helix 17
17
B
58 60Right-handed 310
Helix 18
18
C
6 27Right-handed alpha
Helix 19
19
C
34 64Right-handed alpha
Helix 20
20
C
67 75Right-handed alpha
Helix 21
21
C
84 88Right-handed 310
Helix 22
22
C
92 115Right-handed alpha
Helix 23
23
C
119 149Right-handed alpha
Helix 24
24
C
151 166Right-handed alpha
Helix 25
25
C
167 174Right-handed 310
Helix 26
26
C
176 185Right-handed alpha
Helix 27
27
C
190 193Right-handed 310
Helix 28
28
C
194 209Right-handed alpha
Helix 29
29
C
222 226Right-handed 310
Helix 30
30
C
231 246Right-handed alpha
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There are 2 sheets in PDB entry 4IIT. Click on sheet of interest to get list of strands forming it: A, B,

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
246 248first strand
Strand 2
A
253 255anti-parallel
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There are 3 strands in B sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
B
22 28first strand
Strand 2
B
8 14anti-parallel
Strand 3
B
51 56anti-parallel
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